11/12/2025

speaker
Conference Operator
Operator

Good day and thank you for standing by. Welcome to the Q4 2025 Transtein Group Incorporated Earnings Conference Call. At this time, all participants are in a listen-only mode. After the speaker's presentation, there will be a question and answer session. To ask a question during the session, you will need to press star 11 on your telephone. You will then hear an automated message advising your hand is raised. To withdraw your question, please press star 11 again. Please be advised that today's conference is being recorded. I would now like to hand the conference over to your speaker today, Jamie Seaman, Director of Investor Relations. Please go ahead.

speaker
Jamie Seaman
Director of Investor Relations

Thank you, and welcome to Transdime's Fiscal 2025 Fourth Quarter Earnings Conference Call. Presenting on the call this morning are Transdime's President and Chief Executive Officer, Mike Lisman, Co-Chief Operating Officer, Joel Reese, and Chief Financial Officer, Sarah Wynn. Also present for the call today is our Co-Chief Operating Officer, Patrick Murphy. Please visit our website at transem.com to obtain a supplemental slide deck and call replay information. Before we begin, the company would like to remind you that statements made during this call, which are not historical in fact, are forward-looking statements. For further information about important factors that could cause actual results to differ materially from those expressed or implied in the forward-looking statement, please refer to the company's latest filings with the SEC available through the investor section of our website or at SEC.gov. The company would also like to advise you that during the course of the call, we will be referring to EBITDA, specifically EBITDA as defined, adjusted net income, and adjusted earnings per share, all of which are non-GAAP financial measures. Please see the tables and related footnotes in the earnings release for a presentation of the most directly comparable GAAP measures and applicable reconciliations. I will now turn the call over to Mike.

speaker
Mike Lisman
President and Chief Executive Officer

Good morning, and thanks for calling in today. First, I'll start off with the usual quick overview of our strategy. Second, make a few comments about the quarter. And third, discuss our fiscal 2026 outlook. Then Joel and Sarah will give additional color on the quarter. To reiterate, we believe we are unique in the industry. and both the consistency of our strategy and both good times and bad, as well as our steady focus on intrinsic shareholder value creation through all phases of the aerospace cycle. To summarize, here are some of the reasons why we believe this. About 90% of our net sales are generated by unique proprietary products. Most of our EBITDA comes from aftermarket revenues, which generally have significantly higher margins and over any extended period have typically provided relative stability in the downturns. We follow a consistent long-term strategy. First, we own and operate proprietary aerospace businesses with significant aftermarket content. Second, we utilize a simple, well-proven value-based operating methodology. Third, we have a decentralized organizational structure and unique compensation system. closely aligned with our shareholders. Fourth, we acquire businesses that fit this strategy and where we see a clear path to private equity-like returns. And lastly, our capital structure and allocations are a key part of our value creation methodology. Our long-standing goal is to give our shareholders private equity-like returns with the liquidity of a public market. To do this, we stay focused on both the details of value creation as well as careful allocation of our capital. As you saw from our earnings release, we closed out the year with a good quarter. During the fourth quarter, we saw healthy growth in the revenue for our commercial aftermarket channel, robust growth in our defense market channel, and finally, as expected, our commercial OEM revenues returned to the growth position following the brief destocking trends we saw last quarter. For the full year, our fiscal 2025 revenue and EBITDA's defined margins surpassed our most recently published guidance. Commercial aerospace market trends remain favorable. Air traffic continues to steadily progress, and airline schedules remain fairly stable, with takeoffs and landings growing in the 3% to 4% ballpark year over year. In the commercial OEM market, there is still much progress to be made for OEM rates. and our results continue to be adversely affected by OEM performance. Airline demand for new aircraft remains high, and the OEMs have long backlogs. OEMs are working to increase aircraft production to meet this demand, but the recovery to date has been bumpy and will likely remain so. Our EBITDAs defined margin was 54.2% in the quarter. Contributing to this solid Q4 margin is the continued growth in our commercial aftermarket, along with diligent focus on our operating strategy, which is allowing margin performance to expand across all segments. Additionally, we had strong operating cash flow generation in Q4 of over $500 million, and we ended the quarter with a cash balance of over $2.8 billion and over $2 billion pro forma for the Simmons acquisitions. We expect to steadily generate significant additional cash throughout fiscal 2026. Next, an update on our capital allocation activities and priorities. During our full fiscal 25 and continuing into October, we are pleased to have allocated approximately $7 billion of capital in the aggregate across M&A and return of capital to our shareholders. Specifically, these activities included the acquisitions of Servotronics, Simmons Precision Products, and approaching $300 million of other small token acquisitions, as well as a special dividend of $90 per share and $600 million of share repurchases. The dividend of $90 per share was our largest to date. As you know, we are continuously assessing our capital allocation options, and we were very pleased to return this capital to our shareholders. The recent share repurchases including $100 million in October, are rooted in the same targeted returns math we have consistently applied over the years. Regarding the current M&A activities in the pipeline, we continue to actively look for opportunities that fit our model. As usual, the potential targets are mostly in the small and midsize range. As always, we will remain disciplined around our approach to M&A. Additionally, Acquisitions are by their nature hard to predict. So consistently with past practice, I will not be saying too much on what is currently active in our funnel. The capital allocation priorities at Transdime are unchanged. Our first priority is to reinvest in our businesses. Second, do a creative, disciplined M&A. And third, return capital to our shareholders via buybacks or dividends. A fourth option, paying down debt, seems unlikely at this time. though we do still take this into consideration. We are continually evaluating all of our capital allocation options, but those M&A and the capital markets are difficult to predict. We exited fiscal 2025 with a sizable cash balance, and our recent capital allocation actions still leave us with significant liquidity and financial flexibility to meet any likely range of capital requirements or other opportunities in the readily foreseeable future. Now, moving on to our outlook for fiscal 2026. This guidance incorporates the recently acquired Simmons Precision Products business, which we are very excited to now own, but which comes into the trans-time fold at a profitability level below that of our typical acquisition. The guidance assumes no additional acquisitions or divestitures during the year. Our initial guidance for fiscal 2026 is and follows and can be found on slide seven in today's presentation. The midpoint of our fiscal 2026 revenue guidance is $9.85 billion or up approximately 12% over the prior year. As a reminder and consistent with past years, with about 10% or so fewer working days than the subsequent quarters, fiscal 2026 Q1 revenues, EBITDA and EBITDA margins are anticipated to be lower than the other three quarters of 2026. This revenue guidance is based on the following market channel growth rate assumptions. We expect commercial OEM revenue growth in the high single digit to mid-teens percentage range, which is highly dependent on the evolution of the production rates in the commercial OEM environment. Commercial aftermarket revenue growth is expected to be in the high single digit percentage range. and defense revenue growth in the mid-single-digit to high single-digit percentage range. The midpoint of our fiscal 2026 EBITDA's defined guidance is $5.15 billion, or up approximately 8 percent, with an expected margin of around 52.3 percent. This guidance includes an additional 200 basis points of margin dilution from recent acquisitions compared to fiscal 25. Additionally, some commercial OE and defense mix headwind in the range of a half percentage point to a full percentage point is further reducing our margins versus fiscal 25. Adjusting for these two dilutive factors, the margins would have increased more versus fiscal 25 and in line with the margin improvement we would typically expect on our base business. We anticipate EBITDA margins will move up throughout the year, with Q1 being the lowest and sequentially lower than Q4 of fiscal 25. The midpoint of adjusted EPS is expected to be $37.51. We believe we are well positioned as we enter our fiscal 26. We'll continue to closely watch how the aerospace and capital markets develop and react accordingly. We are pleased with the company's performance this year in 2025. Our team successfully navigated the challenges of uneven demand and our commercial OEM market throughout the year to deliver a healthy EBITDA-defined margin. Looking to our new fiscal year, we remain focused on our value drivers, cost structure, and operational excellence. We look forward to fiscal 26 and expect that our consistent strategy will continue to provide the value you've come to expect from us. Now let me hand it over to Joel Reese, our TransDyn Group Co-COO, to review our recent performance and a few other items. Joel Reese Good morning, everyone. I'll start with our typical review of our results by key market category. For the remainder of the call, I'll provide commentary on a pro forma basis compared to the prior year period in 2024. That is, assuming we own the same mix of businesses in both periods. The market discussion includes excludes the recent acquisition of Simmons Precision Products. In the commercial market, we will split our discussion into OEM and aftermarket. Our total commercial OEM revenue increased 7% in Q4 and was down 1% for the full year fiscal 2025 compared with the prior year periods. As we anticipated, Commercial OEM revenue in the fourth quarter returned a positive growth as we supported higher build rates. However, overall, the commercial OEM revenue performance for the full year was softer than we originally expected for fiscal 2025. The year-over-year declining commercial OEM revenue was primarily driven by the negative impact of OEM build rates that resulted from the Boeing strike and production ramp-up challenges at Airbus. Bookings in the quarter were up compared to the same prior year period. Commercial transport bookings growth was up over 20% for the fourth quarter. The bookings levels for OEM commercial transport show that the market is recovering from the various disruptions seen over the past year or so, but as we have said before, this recovery could be a bit bumpy and uneven on a quarterly basis as the OEMs and our Tier 1 and Tier 2 customers right size inventory levels. We are encouraged by the progress of the 737 MAX production line as well as the FAA's approval for Boeing to increase its production rate. Our operating units are well positioned to support the higher production rates as they occur. The commercial OEM guidance we are giving today contains what we believe is an appropriate level of risk around the production bill rates for the 2026 fiscal year. Our fiscal 2026 commercial OEM revenue guidance range of high single-digit to mid-teens percentage growth contemplates reasonable risks around the Boeing and Airbus rates. Now, moving on to our commercial aftermarket business discussion. Total commercial aftermarket revenue increased by approximately 11% in Q4 and 10% for the full year compared with the prior year periods. Sequentially, total commercial aftermarket revenues were up 5% in Q4. This quarter, all submarkets within the commercial aftermarket experienced positive growth. Our commercial aftermarket, excluding our VizJet submarket, was up 13%, driven by solid growth in freight, interiors, and engines. Bookings across all submarkets were up compared to the prior year period, and POS at our distributors grew in double digits on a percentage basis this quarter. For the full year, the 10% revenue growth for commercial aftermarket was in line with our original expectations. Each of the submarkets performed about as expected with strong performance from our interior submarket and from the operating units with higher engine content within the passenger submarket. Our operating units continue to monitor market share and competitive losses, and we see no material change in this space from either USMs or PMAs. As Mike already mentioned, we expect 2026 commercial aftermarket revenue growth in the high single digit percentage range. Regarding how commercial aftermarket revenue is likely to progress throughout the fiscal 2026, Q1 is expected to be the lowest quarter of the year on a sales dollar basis as there are roughly 10% fewer working days than in other quarters. Now, shifting to our defense market. Defense market revenue, which includes both OEM and aftermarket revenues, grew by approximately 16% in Q4 and 13% for full year fiscal 2025 compared with the prior year periods. We have seen strong growth. in defense driven by new business wins and strong performance by our teams in both domestic and international markets. Q4 defense revenue growth was well distributed across our businesses and customer base. Although we saw similar rates of growth in both the OEM and aftermarket components of our total market, with aftermarket running slightly ahead of OEM. Defense bookings for the quarter and full year significantly surpassed the comparable prior year periods and support our 2026 guidance for mid-single to high single-digit revenue growth. Additionally, this quarter, we saw continued growth in the U.S. government defense spend outlays. As we have said many times before, defense sales and bookings can be lumpy. We know the bookings and sales will come, but forecasting them with accuracy and precision, especially on a quarterly basis, is difficult. We anticipate capital expenditures of about $300 million in fiscal 2026. About two-thirds of our capital expenditure spending is our new business and productivity-driven projects. Typical payback for cost reduction projects is just a couple of years. We have over 150 new automation projects planned for the year. We continue to see the cost of automation technology decrease year over year. We are a high-mix, low-volume manufacturer, and our continued success taking on new automation tasks and assembly, machine polishing and painting is exciting. As a result of our continued focus on productivity in both the factory and offices, we anticipate our headcount will remain roughly flat despite the increase in commercial and defense OEM work content during the year. We also had good continued success winning new business this year. I can't get into specifics, but several operating units have been awarded content on the F-47, and we believe this will be an excellent platform for us. Hopefully, in upcoming quarters, I'll be able to provide more specifics. To highlight a few new business programs I can talk about, in September, the U.S. Army placed its first large production order for Airborne Systems Glide Modulation Canopy marking a major milestone following nearly two years of successful test and evaluation. This product represents a significant technological advancement over the current generation system used by the U.S. Army and Air Force. This new product allows jumpers to more precisely target landings in confined areas. The initial order value at $5 million begins the full transition to the new canopy in all future procurements. Airborne will deliver the first canopies in February 2026 to the U.S. Army Military Free Fall School, where all new jumpers will be trained on this new upgraded system. In August, the UK Ministry of Defense awarded a $30 million contract to UrbanDQ for an advanced aerial delivery system. This new system, termed PRIBAD, enables the RAF's Atlas A400 aircraft to airdrop a rigid pole boat up to 40 meters long and weighing up to 12 tons. In addition, Oxitrol Weston reached an agreement with Rolls-Royce to supply its complete sensor suite on the Trent XWB84 enhanced performance engine for the A350-900. This agreement encompasses OEM supply and power by hour support to operators. ensuring that the proven reliability of our sensors continues to contribute to the success of all SWB engine variants. We are making good progress integrating our two most recent acquisitions, Servitronics and Simmons Precision. Both integrations are being led by experienced EVPs. We have augmented the existing teams with seasoned individuals from other TransDyn operating units to accelerate their progress. It's still early, but our experience to date indicates that these are going to be two very good additions to TransDOT. Lastly, I'd like to finish by recognizing the strong efforts and accomplishments of our operating unit teams during fiscal 2025. It was a good year, and we are pleased with the operating performance they delivered for our shareholders. As we enter our new fiscal year, our management teams remain committed to our consistent operating strategy and servicing the strong demand for our products. With that, I'd like to turn it over to our Chief Financial Officer, Sarah Wink.

speaker
Sarah Wynn
Chief Financial Officer

Thanks, Joel, and good morning, everyone. I'm going to review a few additional financial matters for fiscal 2025 and then also our expectations for fiscal 26. First, a few additional fiscal 2025 data points on organic growth, taxes, and liquidity. In the fourth quarter, our organic growth rate was approximately 11%, and all market channels contributed to this growth, as previously discussed by Mike and Joel. On taxes, our GAAP and adjusted tax rates finished the year within a slightly better than their expected ranges. On cash and liquidity, free cash flow, which we traditionally define as EBITDA, less cash interest payments, CapEx, and cash taxes, was roughly $2.4 billion for the year, slightly above our expected estimate of $2.3 billion. Below that free cash flow line, investment of net working capital consumed approximately $330 million on a full year basis, and the final net working capital ended the year roughly in line with historical levels as a percentage of sales. We ended the year with approximately $2.8 billion of cash on the balance sheet, or approximately $2 billion when performed for the completion of the Simmons acquisition. At year end, our net debt to EBITDA ratio was 5.8 times, up from the 5.9 times at the end of last quarter after returning capital to our shareholders via a $90 per share dividend. While we don't target a specific amount of cash that we like to have on hand, we have sufficient capital available through both cash on hand and as well as incremental debt capacity to support all potential M&A in the pipeline. Over the course of fiscal 25, We did a fair bit of proactive financing. We pushed out our nearest term maturity from 2027 to 2028. Additionally, we reduced the interest rate on two of our loans. We also raised $5 billion to fund the aforementioned $90 dividend paid out in September. Our EBITDA to interest expense coverage ratio ended the quarter at 3.2 times, which provides us with comfortable cushion versus our target range of two to three times. We continue to be comfortable operating in the 5 to 7 net debt EBITDA ratio range. Our go-forward strategy of capital deployment has not changed, and we continue to seek the best opportunities for providing value to our shareholders through our leverage strategy. Our capital allocation strategy is to both proactively and prudently manage our debt maturity stacks by keeping the nearest term maturity far out. In addition, approximately 75% of our $32 billion gross debt balance is fixed through fiscal 2029. This is achieved through a combination of fixed rate notes, swaps, and collars. Next, on the fiscal 26 expectations, I'm going to give some more details on the financial assumptions around interest expense, taxes, and share count. A special note that all of my comments and data here include the acquisition assignments. Net interest expense is expected to be about $1.9 billion in fiscal 26, and this equates to a weighted average interest rate of approximately 6.3%. This estimate assumes an average SOFA rate of 3.8 for the full year. On taxes, our fiscal 26 gap cash and adjusted tax rates are all anticipated to be in the range of 22% to 24%. On the share count, we expect our weighted average shares outstanding to be $58.5 billion. shares in Fiscal 26. With regards to liquidity and leverage for Fiscal 26, as we would traditionally define our free cash flow from operations at Transdyn, which again, if EBITDA is defined, that's cash interest payments, CapEx and cash taxes, we estimate this metric to be close to $2.4 billion. After paying for the service acquisition and assuming no additional acquisitions or capital market transactions we would end the year with around $4 billion of cash on the balance sheet, which would imply a net debt to EBITDA ratio of approximately five times at the end of fiscal 26. We will continue to watch this ratio along with the cash interest coverage ratio as we actively pursue options for maximizing value to our shareholders through our capital allocation strategy. In summary, we think we remain in good position with adequate flexibility to pursue M&A, or return cash to our shareholders via SHIP, share buybacks, and or additional dividends during the course of fiscal 26. With that, I'll hand it back to Jamie, our Director of Investor Relations.

speaker
Jamie Seaman
Director of Investor Relations

Before we open the line for Q&A, I ask everyone in the queue to consider your fellow analysts and ask one question only so we can get to as many people as possible, given that it is our Q4 call and there's a lot of materials to cover today. Operator, can you please open the line?

speaker
Conference Operator
Operator

Thank you. As a reminder, to ask a question, please press star 1-1 on your telephone and wait for your name to be announced. To withdraw your question, please press star 1-1 again. Please stand by while we compile the Q&A roster. And our first question comes from Scott Mikus of Milius Research. Your line is open. Scott Mikus, Milius Research, Good morning.

speaker
Scott Mikus
Analyst, Melius Research

Scott Mikus, Milius Research, Good morning, Scott. Scott Mikus, Milius Research, Good morning. Mike, when Kevin was CEO, the company opened up the M&A aperture by expanding into test and measurement businesses, although they were still primarily aerospace related. You're still early in your career and could be leading Trans9 for quite a while. Is there a possibility that under your tenure, Trans9 takes a more serious look at acquisitions outside of aerospace and defense, or you're still comfortable that you can hit your 20% IRR target?

speaker
Mike Lisman
President and Chief Executive Officer

So we did two branches outside of the core legacy aerospace hardware business, um, under Kevin Calspan and Raptor, both it's early innings, but it seems, um, so far so good. So we're looking for additional things potentially in that space as they experienced the dates generally been a positive one. Um, over time, uh, Well, let's focus on today. As we sit here today, in terms of what our M&A group, what I'm spending time on from an M&A standpoint, it's not branched out materially from anything that you'd expect to see, which is similar to what we've always targeted in the past, aerospace and defense components businesses. That's where the vast majority of the focus is. In the fullness of time, could you continue to potentially branch out and look at things under the umbrella, but similar to test and measurement that aren't right down traditionally our fairway. That could be the case, but we're not there yet. As we sit here today, the focus is more of where it's always been.

speaker
Scott Mikus
Analyst, Melius Research

Okay. And then you talked about the strength in orders in the aftermarket. Were there any noticeable trends among the four submarkets there, whether it's freight, interior, bus, jet, helicopter, passenger? Just any pockets of strength or pockets of weakness you saw?

speaker
Mike Lisman
President and Chief Executive Officer

This is Joel. I'll take that. I don't think we've seen any dramatic changes we got out of the quarter. Certainly refurb business for interiors picked up more this year. It kind of lagged the year before, as we highlighted in the comments. Engine has been strong for us all year, as it was last year. And... I think freight, which struggled the year before, also was pretty solid for us this year. All right. Thank you.

speaker
Joel

Thank you.

speaker
Conference Operator
Operator

And our next question comes from Robert Stallard of Vertical Research. Your line is open.

speaker
Robert Stallard
Analyst, Vertical Research

Thanks so much. Good morning. Morning. Just a couple from me on the 2026 guidance. First of all, on defense, that's a big slowdown for 26 versus what you've recently experienced for 2025. So I was wondering if you could give some more clarity on that. And then on the aerospace aftermarket, are you assuming a normal level of Transdyn pricing as you move into 26? Thank you.

speaker
Mike Lisman
President and Chief Executive Officer

So on the defense side, I'm hopeful we're being conservative on it. We had good, solid bookings last year and good growth across the the various aspects of the company. Defense is lumpy for us, and so unlike the commercial aftermarket with relatively close book and ship, it's a little bit less predictable on the defense side, so we're going to generally be a little bit more conservative there. We've had two solid growth years in a row in defense, and I think we like where we're sitting today. On the commercial aftermarket side, I don't think we're planning to make any change in how we approach pricing. Our goal is to offset the inflationary increases that we see and put a bit of real price on top of that. I'm not sure we're going to, just similar to what we've done in past years, not looking to make any change. That's great. Okay. Thank you very much.

speaker
Joel

Thank you.

speaker
Conference Operator
Operator

And our next question comes from Ken Herbert of RBCCM. Your line is open.

speaker
Ken Herbert
Analyst, RBC Capital Markets

Yes. Hi. Good morning. Hey, Mike and Sarah, appreciate the comments on the margin dilution from the recent acquisitions. Two questions, really. First, how do we think about the ability to get the recent acquisitions up to sort of trans dime margins? Do they have that capability, and what's the timeframe to think about that? And then second, just wanted to confirm, excluding those, I think you've typically talked about sort of 50 to 100 basis points of of annual margin expansion? Is that what we would normally expect, obviously, aside from the dilution of the acquisitions?

speaker
Mike Lisman
President and Chief Executive Officer

Yeah. Ken, it's Mike. I'll lead off and then Sarah can chime in if I miss anything. If you exclude the two dilutive factors, the acquisitions and also the OEM mix shift, you do get at an underlying margin improvement trend for our base businesses that is squarely between the brackets of what you guys would expect of the percent, percent and a half kind of range when you adjust those two things out. So we are seeing exactly the kind of margin improvement year over year we've come to expect and you've come to expect. With regard to the two acquisitions, Simmons and Servitronics, The margins came into the fold at a low level, but these are great products. We're very excited to own both businesses. In the fullness of time, we see nothing fundamentally different about these two businesses versus what we've acquired in the past that should prevent us from being able to march the margins upward. The exact timeline over which that happens is varied and obviously it doesn't happen overnight but there's nothing different about these businesses that should prevent us in the fullness of time from uh getting the margins up to uh where we like to be great thanks mike thank you and our next question comes from kristen lewak of morgan stanley your line is open hey good morning everyone um

speaker
Kristen Lewak
Analyst, Morgan Stanley

You know, you guys touched on your contract award for the F-47. I was wondering, can you give more color on your content on this program, and how does this compare to your content on other fighter programs like the F-18, F-22, F-35?

speaker
Mike Lisman
President and Chief Executive Officer

Look, I'm not sure that we can comment on how successful the programs will be. Ultimately, the DOD awarded Boeing the fighter jet as the next-generation fighter. We take it seriously, and our teams have been actively working to win good content on the planes. How successful will it be? I'm hopeful it'll be great. Exactly where it's going to end up, we have no idea.

speaker
Joel

Well, great.

speaker
Mike Lisman
President and Chief Executive Officer

I think, you know, we've historically not disclosed which specific op units won which content and that level of detail. But it seems like it's going to be a really good program for us, as Joel said in his prepared comments.

speaker
Kristen Lewak
Analyst, Morgan Stanley

Great. Well, thank you. I guess, like, you know, the origin of that question is just really understanding, you know, with the focus on your contracting styles and defense, you know, it's a positive surprise to know that you've been winning more contracts, like for something like the F-47. So it's really more just to try to understand what your conversation with customers are like, you know, and kind of confirm that, you know, you're not in a no-fly zone type environment for new defense contracts.

speaker
Mike Lisman
President and Chief Executive Officer

No, absolutely not. Yeah, I think actually across the company, I think we had more new business awards in the defense market last year than we did on the commercial side. We develop good solutions. I think this is the key as customers come to us because we can generate a product for them that solves a problem that they can't solve or we solve better than someone else. These are competitive awards, and I think we like where we stand. We work to come up with good solutions that generate value for our customers.

speaker
Jamie Seaman
Director of Investor Relations

Great. Thank you very much.

speaker
Conference Operator
Operator

Thank you. And our next question comes from Miles Walton of Wolf Research. Your line is open.

speaker
Miles Walton
Analyst, Wolfe Research

Thanks. Good morning. I was wondering if we could chat about the CapEx and headcount comments you made. The CapEx looks like it's set to double just over the last couple of years. And you mentioned some of the automation investment, but I guess how much of that is automation to facilitate better productivity versus higher output, and is it more military or commercial? And the headcount, can you just clarify, are you saying flat headcount inclusive of the additional heads from Simmons, which closed after the quarter?

speaker
Mike Lisman
President and Chief Executive Officer

I'll take the latter part. Yeah, so we look at everything in this case on a pro forma basis. So adding the headcount in from Simmons as we kind of look out at the growth we expect to see for commercial and defense OEM during the year, we don't think we'll have to add. And so that's not that it's no one, but relatively few people across the company and still handle the volume growth, the high single-digit to mid-teen growth within the commercial OEM and on the defense side. When it comes to the CapEx question, I don't know specifically which is defense and which is commercial. Our operating units look at projects depending on need and where we can get an excellent return. It ends up being a combination. Sometimes it's to handle more capacity. Sometimes it's a way to basically drive out cost. If it's just capacity, though, we're typically not thinking of that as productivity. We ultimately should be able to do the work we're doing today, but with With fewer people with higher yields than we have today, we're to in-source work that potentially is being done on the outside.

speaker
Miles Walton
Analyst, Wolfe Research

Okay. And just one quick follow-up on cash flow. What is the working capital investment or source that you're expecting in 26?

speaker
Sarah Wynn
Chief Financial Officer

Yeah, for 26, I'd expect similar to prior years, which is as a percentage of sales, you know, around 2.5%, 3%, somewhere around there for next year.

speaker
Miles Walton
Analyst, Wolfe Research

Okay. Thank you.

speaker
Joel

Thank you.

speaker
Conference Operator
Operator

And our next question comes from Sheila of Jefferies through Linus Open.

speaker
Sheila
Analyst, Jefferies

Good morning, guys, and thank you. Maybe if I could ask on the commercial aftermarket. Mike, if you want, commercial aftermarket, 11% in the quarter, accelerated from the 6 in Q3. So, you know, how much of that was an engine holdup, whether it was at distributors or whatnot? And as we think about 26, how do we think about passenger versus freight, engines, and interiors?

speaker
Mike Lisman
President and Chief Executive Officer

So, you know, we do a bottoms-up, you know, forecast each of our op units, you know, same kind of approach we've used in the past, our operating units, you know, look at this on a customer-by-customer basis. They try to get information around inventory and demand, and that basically builds up what becomes the guidance that we provide. If I was looking at the takeaways, not the guidance that we give them, but kind of the takeaways back. On the freight side, I think we continue to expect to see good, steady growth, kind of what we saw this year. The available cargo tons were up in the 3% to 4% per year. I think most folks are thinking that's going to be the same. I mentioned interiors. Interiors, we saw refurbs kind of kick in on the U.S. regionals. I think the general feedback that we're hearing is that we expect that to continue, but with Asia and the Middle East becoming a bigger piece of refurbs. Engines have had two solid years of growth. I think our teams are optimistic, but probably a bit conservative around how that's going to continue to go. On the passenger side, we had a strong 24 and obviously a bit weaker 25. We think that'll rebound a lot. That was on the avionics side and don't see a reason that won't continue. And BizJet, I think we expect kind of more of the same.

speaker
Sheila
Analyst, Jefferies

Okay. Awesome. Thank you very much. Thank you.

speaker
Conference Operator
Operator

And our next question comes from Gavin Parsons of UBS. Your line is open.

speaker
Gavin Parsons
Analyst, UBS

Thanks, guys. Good morning. Good morning. If you look at your OEM kind of underlying volume, you know, the organic basis revenues up kind of 15, 20% from 2019. But do you feel like on a volume basis, you're pretty aligned with OEMs at this point?

speaker
Mike Lisman
President and Chief Executive Officer

You're talking about the commercial OEM market or realigned with their build rates? So no more inventory G-stock? Is that the fundamental issue you're trying to get at, Kevin?

speaker
Gavin Parsons
Analyst, UBS

Yeah, thanks.

speaker
Mike Lisman
President and Chief Executive Officer

Okay. I think as we sit here today, Joel can chime in. We don't see much headwind coming in the way of further inventory destock. As we said last quarter, we expected this to be a temporary phenomenon that lasted for a quarter or two. We saw the blip last quarter. We don't expect much more of a headwind coming into this year. So the growth rate and commercial OEM side should be sort of what we gave in the guidance, high single-digit to mid-double-digit. probably a wider bracket around that than you typically would do, mainly just because of the way the ramp-up has been challenged so far to date. We always try to be appropriately conservative, and we've been stung a bit in the last two years by unforeseen events, and we don't want to get out over our skis here on the commercial OEM side this year.

speaker
Gavin Parsons
Analyst, UBS

On the 200 basis points of M&A dilution, maybe you can correct my math here, but it seems like you're assuming very little margin contribution from M&A

speaker
Mike Lisman
President and Chief Executive Officer

What do you mean margin contribution by M&A?

speaker
Sarah Wynn
Chief Financial Officer

You're talking about the acquisition?

speaker
Gavin Parsons
Analyst, UBS

Well, to get to 200 basis points, yeah.

speaker
Sarah Wynn
Chief Financial Officer

Yeah, yeah, we are expecting very low, lower than our average acquisition margins coming in for those two.

speaker
Gavin Parsons
Analyst, UBS

Okay, appreciate it.

speaker
Mike Lisman
President and Chief Executive Officer

Yeah, I think that's where, Gavin, they're just – they're each coming into the fold, as we said in the prepared remarks, that – probably a lower margin than you'd typically see of the average trans time acquisition. But in the fullness of time, we think these businesses have great potential and that's going to improve and ramp up significantly. Got it.

speaker
Gavin Parsons
Analyst, UBS

Thank you.

speaker
Joel

Thank you.

speaker
Conference Operator
Operator

Our next question comes from Seth Seidman of JP Morgan. Your line is open.

speaker
Seth Seidman
Analyst, J.P. Morgan

Thanks very much, and good morning. I guess following up on the issue of underlying margin expansion and the mixed headwinds you talked about for this year that limit the underlying margin expansion, given increasing production rates for over the next several years, it seems like that's a headwind to the underlying margin expansion that's going to persist or potentially accelerate. And so at least for the next couple of years in this decade, the underlying margin expansion potential in the business is limited by a differential between OE and aftermarket growth rates as it is this year.

speaker
Mike Lisman
President and Chief Executive Officer

I wouldn't say it's limited. I think we still expect to get year-over-year margin improvement if historically we've kind of bounded it in the percent, percent and a half range. We'll see where things go with the OEM ramp up here and how that compares to future commercial aftermarket growth, as well as what happens on the defense side. But the margin should continue to improve year over year going forward. Depending on the OEM, if it continues to outgrow aftermarket and defense, you could see a bit of a headwind, but we're talking about something that usually amounts to a couple tenths of a point. It's not something that swings you negatively so much so that year-over-year margin improvement is not seen. We should still see it, to be crystal clear.

speaker
Seth Seidman
Analyst, J.P. Morgan

Great. Great. Thanks. And just a quick clarification. I think you mentioned earlier in the call 300 million of other small tuck-in M&A. Is that extant stuff that remains organic, or is there an inorganic component of the sales that's coming in 26 from that additional M&A?

speaker
Mike Lisman
President and Chief Executive Officer

It's a mix across a range of our op units. It's really a mixed bag of different op units that are doing small tuck-in bolt-on acquisitions for their specific businesses. Some are at extent, but several of them are not. At least we basically fold in as part of our planning process. They execute the deals during the year.

speaker
Seth Seidman
Analyst, J.P. Morgan

Okay. Very good. Thanks very much.

speaker
Conference Operator
Operator

Thank you. And our next question comes from Scott Joyce Lee of Deutsche Bank. Your line is open.

speaker
Scott Joyce Lee
Analyst, Deutsche Bank

Hey, good morning. Mike, can you share any detail on the average contract duration at Simmons? Just trying to get a sense for the timing at which future pricing actions layer into results.

speaker
Mike Lisman
President and Chief Executive Officer

Yeah, I still think we're in the early innings of what this is. I think they've got the kind of typical range of contracts that you'd expect to see over the bulk of our businesses, some relatively short and some life of program. I don't think this, when you look at it, it looks dramatically different from what we expect to see from any acquisition we do.

speaker
Scott Joyce Lee
Analyst, Deutsche Bank

Okay. And Joel, just to follow up on Miles' question, should we expect this decoupling of sales growth from headcount growth to continue beyond 26 as you make additional automation investments, or should those realign more closely as we exit 26? Thank you.

speaker
Mike Lisman
President and Chief Executive Officer

I think we're hopeful that if we continue to drive automation projects, we're still in the early days of doing artificial intelligence within our Within the office side, I think we're optimistic that we can hold headcount certainly below the rate that our sales increase goes, how successful we are. I mean, our operating unit teams focus on, you know, productivity is one of our three value drivers. And they work hard to drive our sales per employee higher each year. And so they certainly are focused on how to best do that.

speaker
spk09

Thank you.

speaker
Joel

Thank you.

speaker
Conference Operator
Operator

And our next question comes from Gautam Khanna of TD Cal, and your line is open.

speaker
Gautam Khanna
Analyst, TD Cal

Yeah, thanks. Good morning, guys.

speaker
Seth Seidman
Analyst, J.P. Morgan

Morning.

speaker
Gautam Khanna
Analyst, TD Cal

I just had two quick ones. One, I was curious if you could give us an update on the sell-in versus sell-through, you know, how the distributors that you own, what they saw in aftermarket. I may have missed it. And then... Secondly, I just wanted to get your broader thoughts on the War Secretary's acquisition reform, you know, speech that he gave last week. You know, how, if at all, do you think it would impact TransDyne? Thank you.

speaker
Mike Lisman
President and Chief Executive Officer

Yeah, so on the distribution point of sale, it was up more than our underlying commercial aftermarket, a couple reasons. Within our point of sale and distribution, it does overweight a little bit more to engine than base sales. So, if you kind of reset it, the numbers would look about the same. It's just the mix of what the products are. We also had allowed inventory to drop a bit within the distribution channel at the end. We finished the year with about a half a year less of inventory in terms of half a month, sorry, of less of inventory at the channel at the end of September than where we were the previous year. That was probably a one or two point impact to CAM last year. When it comes to the Secretary's comments, I think we're optimistic. We approach defense as a commercial manufacturer. We invest the time and effort, the money to develop new products, to qualify products. We bid them as firm fixed priced. contracts where we take the risk if something goes on. So I think we're well positioned and helpful. Similar to what we've done this year with other defense wins is that we have the ability to develop good solutions for customers and generate real value. I think as you guys know, we're not doing the big cost plus work here. We're fast, nimble at the op unit level, easy to work with, and mostly selling commercial type solutions.

speaker
Gautam Khanna
Analyst, TD Cal

Yeah, I appreciate the answer. Thank you very much, guys.

speaker
Mike Lisman
President and Chief Executive Officer

Thanks.

speaker
Conference Operator
Operator

Thank you. And our next question comes from Ronald Epstein of Bank of America. Your line is open.

speaker
Ronald Epstein
Analyst, Bank of America

Hey, yeah. Thanks, guys. Two, a follow-up. The first one, yeah, just following up on the last question, Gautam's question, and also Christine's, I think, trying to get at, So if you can say, so F47 is the first major new program we've seen in a while. If you can answer this, was your experience bidding for the work on it any different than it was on any previous programs? I mean, I think the fear out there is, and you probably understand this, that somehow that the DOD is doing things that are going to make things somehow less profitable or something like that. I mean, was the bidding process sort of how you would expect it, or was it somehow different than it was in the past?

speaker
Mike Lisman
President and Chief Executive Officer

I think the way our, obviously, we have a multitude of op units who are all participating in awards like this and frequently interact with the primes and others on the defense side. And the process was similar to what we've seen in the past and didn't play out with any big changes versus what we'd expect.

speaker
Ronald Epstein
Analyst, Bank of America

All right. Good to know. Good to know. And then maybe just as a follow-on, and people have been talking about this, you know, there is a case out there that, you know, somehow that, you know, TransTime just won't grow their aftermarket business like maybe some peers will because you guys don't have enough engine exposure, that somehow you're too big to do M&A and have it be meaningful. How would you respond to that? I mean, if someone confronted you with that and said, hey, you know what, you guys are just getting too big and, you know, nothing's really going to move the needle, and that is sort of the bear case, how would you respond to that?

speaker
Mike Lisman
President and Chief Executive Officer

I think we're the type who just puts our heads down and goes out and finds ways to create value. That's it. The proof's in the pudding. The results we drive here as a team and not the hand-waving responses. We'll just put our heads down and go to work.

speaker
Ronald Epstein
Analyst, Bank of America

Got it, got it. And if I may, is it safe to infer from that, like if an environment you got into that something just wasn't working, you'd make some changes, right?

speaker
Mike Lisman
President and Chief Executive Officer

Well, we're always... We're going to do, we're going to operate the business to go and create value and do what we can to drive prudent long-term value for our shareholders with whom we're closely aligned.

speaker
Ronald Epstein
Analyst, Bank of America

Got it. Cool. All right. Thank you very much.

speaker
Conference Operator
Operator

Thank you. And our last question comes from Johnson Siegmund of Stiefel. Your line is open.

speaker
Johnson Siegmund
Analyst, Stiefel

Hey, good morning. Thanks for fitting me in. Just on defense. On the fence, just a lot of talk about new missile programs and drones. You guys have highlighted your good positions on the Predator and the Patriot. Just, you know, where do you fit on some of these newer, lower cost programs? Is that an opportunity for Transdime, recognizing you're not going to be on the lowest, smallest end, but how about some of these new programs on the medium size and cost range? Thank you very much.

speaker
Mike Lisman
President and Chief Executive Officer

Yeah, I don't want to provide any specifics because I don't know what we can or can't say on some of these, similar like the F47. We've got some really solid wins on some of the programs you're referring to. Again, they're looking for good, highly engineered products that solve problems, that provide features that other folks can't. We have a lot of engineers. I mean, roughly, what, 15% of our entire corporation are on the engineering side, designing and developing products. So yeah, I think we've got some really solid wins that hopefully we'll be able to talk to in upcoming quarters in some of the programs you were referring to. So I think we like our opportunities there.

speaker
Johnson Siegmund
Analyst, Stiefel

Thank you.

speaker
Conference Operator
Operator

Thank you. This concludes our Q&A session. I would like to now turn it back to Jamie Stevens for closing remarks.

speaker
Jamie Seaman
Director of Investor Relations

Thank you all for joining us today. This concludes the call. We appreciate your time and enjoy the rest of your day.

speaker
Conference Operator
Operator

This concludes today's conference call. Thank you for participating and you may now disconnect.

Disclaimer

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