Insider buying last 90 days
No open-market insider purchases were filed for TDG in the last 90 days.
From Form 4 filings, dated to when each was filed.
Every TDG insider filing, plotted on the chart in Gekko.Open TDG in Gekko
NYSE: TDG
Transdigm (TDG) Stock Analysis & Forecast
$1,086.05+10.04 (+0.9%)
Close on Sep 18, 2026. Page updated Sep 19, 9:17 pm ET.
Gekko Brief
AI summaryTransdigm (TDG) closes at $1086.05, up 0.9%, but remains below both its 50-day average of $1203.38 and 200-day average of $1258.61, with the 50-day itself below the 200-day. The GekkoIndex reads 76.1, placing the stock in the Buying zone, while shares trade 35.3% below Gekko Fair Value of $1679.27.
This week's coverage centers on defense demand and analyst positioning. One report notes defense revenues rising 11% in fiscal Q3 2026, supported by bookings and backlog tied to the U.S. defense aerospace outlook. Separately, JPMorgan Chase lowered its price target on TDG to $1,415.00 from $1,450.00 while maintaining a Neutral rating. Insider activity also surfaced: Co-COO Joel Reiss exercised stock options and sold 3,900 shares on 15 September under a Rule 10b5-1 plan, for over $4.2 million, reducing his holdings by 52%, following a similar sale in August. Bank of America Corp DE reduced its TDG stake by 3.3% in the second quarter, selling 9,707 shares while retaining a position valued at $381.4 million.
Over the next 20 trading days, the next earnings date falls on 11 November 2026, 52 days out. In the last 90 days, Congressional activity shows 1 buy and 0 sells. Seasonality over 5 years shows an average -1.7% return across this stretch of the calendar, with gains in 2 of those years. The typical 20-day move for TDG has run 4.9%, a range worth noting given current positioning near 52-week lows.
Written by AI and checked automatically against the figures on this page. Generated Sep 20, 2026 from the data above.
Price vs fair value
Close $1,086.05200-day averageGekko Fair Value $1,679.27
Key stats
- Market cap
- $60.75B
- P/E ratio
- 32.8
- Forward P/E
- 22.5
- EPS, TTM
- $32.82
- Revenue, TTM
- $10.01B
- Profit margin
- 21.3%
- Dividend yield
- —
- Beta
- 0.89
- Volume
- 766,246 avg 389,616
- 1-year return
- −14.9%
- Typical daily move
- ±2.3%
- Typical 20-day move
- ±4.9%
- 50-day average
- $1,203.38
- 200-day average
- $1,258.61
- Next earnings
- Nov 11
- Shares outstanding
- 55.28M
Transdigm swing-trade checklist
Transdigm scores 4 supportive, 0 mixed and 2 headwinds across the 6 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
4 supportive0 mixed2 headwinds
- Trendheadwind
Below 50 and 200-day
Close $1086.05 is below the 50-day ($1203.38) and 200-day ($1258.61) averages, and the 50-day is below the 200-day.
See the chart - GekkoIndexsupportive
76.1, Buying
Reading 76.1 is in the Buying zone.
See the GekkoIndex - Fair valuesupportive
35.3% below
Price is 35.3% below Gekko Fair Value (more than 5% below).
See fair value - Smart moneysupportive
Leans bullish
Last 90 days: Congress 1 buy / 0 sales.
See smart money - Earnings risksupportive
Reports in 52 days
Next report Nov 11, 2026, 52 days away — outside a typical 20-trading-day hold.
See earnings - Seasonalityheadwind
−1.7% on average
From this point in the calendar, the next 20 trading days averaged −1.7% over 5 years, rising in 2 of them.
See seasonality
A description of current data, not a recommendation. How this page works
Transdigm stock chart and price history
Transdigm closed at $1,086.05 on Sep 18, 2026, −14.9% over the past year, inside a 52-week range of $1,071.25 to $1,463.03.
Close50-day average200-day averageVolume
Use the left and right arrow keys to read daily values.
Performance Breakdown
- 1 month
- −11.2%
- 3 months
- −18.2%
- 6 months
- −8.9%
- 1 year
- −14.9%
The full TDG chart adds GekkoIndex, insider, options, Congress and hedge fund markers, plus TrendCandles™.Open TDG in Gekko
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About Transdigm
Transdigm designs, builds, and supplies a broad range of components used in aircraft, working with customers across the United States and other countries. It has built a name around highly engineered parts that keep planes flying safely, from mechanical systems to cabin fittings, rather than any single flagship product.
The company organizes its work into three areas. One covers power and control equipment such as actuators, pumps, valves, motors, sensors, and cargo-handling gear, sold to engine makers, airlines, defense agencies, and repair shops. Another handles airframe and interior items like latches, seals, cockpit displays, audio and antenna gear, restroom fittings, seating restraints, and insulation, serving airframe builders, cabin integrators, airlines, and maintenance and overhaul businesses. A third, smaller line applies similar engineering outside aviation, supplying items such as ground-vehicle safety harnesses, space actuators, gas turbine valves, refueling equipment for mining and construction machinery, and turbine controls for energy and petrochemical customers.
Transdigm was established in 1993 and is headquartered in Cleveland, Ohio. Its shares are listed on the NYSE under the ticker TDG.
- Listed
- NYSE
- Sector
- Electronic technology
- Industry
- Aerospace & defense
- Website
- transdigm.com
Transdigm GekkoIndex: the smart money zone
Transdigm’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 76.1, in the Buying zone, up 7 points over five sessions.
76.1Buying
Up 7 points over five sessions, from the Accumulation zone.
Reading for Sep 18, 2026
What followed past readings in each zone
| Zone | Readings | 5 days | 20 days |
|---|---|---|---|
| Buying (current zone) | 24 | +0.8% | +1.0% |
| Accumulation | 205 | +0.6% | +0.7% |
| Neutral | 375 | −0.2% | +0.5% |
| Distribution | 48 | +0.1% | −3.2% |
| Selling | 10 | +1.0% | +6.7% |
Average TDG share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Buying readings averaged +3.2% over 20 days. Past behaviour doesn’t guarantee future results.
Buying zone: Smart money likely accumulating heavily. About the five zones →
See every daily GekkoIndex reading plotted over the TDG price, zone by zone.Track TDG in Gekko
Is Transdigm stock overvalued? Gekko Fair Value
Transdigm trades 35.3% below Gekko Fair Value of $1,679.27, so the shares are undervalued on Gekko’s estimate.
Gekko’s own estimate of what Transdigm shares are worth, recalculated every trading day.
$1,679.27
Gekko Fair Value, Sep 19, 2026
35.3% Undervalued
Gekko Fair Value on every chart, with the gap to price updating daily.Open TDG in Gekko
Transdigm insider and Congress trading
No open-market insider purchases were filed for Transdigm, and members of Congress disclosed 1 purchase and 0 sales, in the last 90 days.
Plus buybacks, unusual options and fund positions, each dated to when it became public.
Congress trades last 90 days
1trade disclosed: 1 purchase and 0 sales.
| Member | Amount | Disclosed |
|---|---|---|
| April McClain Delaney House, MD, purchase | $1,001 - $15,000 | Aug 4 traded Jul 28 |
From congressional disclosures, which report amounts as ranges.
Buybacks
Transdigm has been buying back its own shares.
- Bought back, quarter ended Jun 27, 2026
- $1.09B
- As a share of market cap
- 1.79%
From company filings.
Hedge funds and billionaires quarter ended Jun 30
3of the funds Gekko tracks hold TDG.
1added0opened2trimmed0sold out
Which funds are on each side, name by name.Unlock in Gekko
Transdigm earnings: next date and track record
Transdigm reports on Nov 11, 2026 (52 days away), and beat the EPS estimate in 7 of its last 8 reports.
Next earnings report
Nov 11, 2026
52 days away
- EPS estimate
- $12.10
- Revenue estimate
- $2.94B
7 of 8reports beat the EPS estimate
±6.2%average move across the report
2 of 8reports followed by a gain
Share-price move across each report
Last earnings call, Aug 4, 2026 AI summary
- What they said
- TransDigm reported a strong Q3 fiscal 2026 with broad-based organic growth across commercial OEM, commercial aftermarket and defense. Management emphasized the company’s consistent strategy focused on proprietary products with high aftermarket content, active M&A, disciplined capital allocation, and private-equity-like returns. Key financial highlights included ~13% organic growth in Q3, commercial OEM up ~17% (commercial transport +25%), commercial aftermarket strength, Q3 free cash flow of ~$870 million (YTD $2.1 billion), and raised full-year free cash flow guidance to about $2.6 billion. EBITDA margins were strong in Q3 (reported ~52.8% in the quarter) and management modestly increased margin guidance (~20 bps). The company closed several strategic acquisitions (Simmonds included pro forma; Jet Parts and Victor Sierra closed recently; Prince & Izant pending) and said M&A activity remains robust despite one deal (Stellant) not clearing regulatory review. Management remains confident in aerospace OEM ramps (Boeing/Airbus), bookings are healthy, and supply chain conditions are generally stable.
- Guidance
- Raised full-year free cash flow guidance to approximately $2.6 billion (from $2.5 billion). EBITDA margin guidance increased by ~20 basis points to ~52.5% (Q3 came in at ~52.8%). Expectation to operate in a net debt-to-EBITDA range of 5-7x; near-term net debt-to-EBITDA ended Q3 at ~5.8x. Beginning fiscal 2027, Jet Parts and Victor Sierra will be included in pro forma reporting.
- Risks flagged
- Right-to-repair legislation on the defense side (potential future impact); regulatory/antitrust review (HSR/DOJ) that led to one acquisition not closing (Stellant); acquisition-related margin dilution (~200 bps headwind year-to-date); elevated net debt-to-EBITDA (~5.8x) though within stated 5-7x range; evolving macro/geopolitical risks (Middle East) and supply chain monitoring.
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Aug 4, 2026 | $9.97 est $9.59 | $2.74B est $2.68B | −2.4% |
| May 5, 2026 | $9.85 est $9.31 | $2.54B est $2.47B | +7.3% |
| Feb 3, 2026 | $8.23 est $8.10 | $2.29B est $2.26B | −11.9% |
| Nov 12, 2025 | $10.82 est $10.32 | $2.44B est $2.40B | +2.4% |
| Aug 5, 2025 | $9.60 est $9.89 | $2.24B est $2.30B | −12.9% |
| May 6, 2025 | $9.11 est $8.96 | $2.15B est $2.17B | −6.1% |
| Feb 4, 2025 | $7.83 est $7.74 | $2.01B est $2.03B | −4.5% |
| Nov 7, 2024 | $9.83 est $9.28 | $2.19B est $2.16B | −2.3% |
“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.
Transdigm stock forecast and analyst price targets
Analysts’ average 12-month price target for Transdigm is $1,513.37, +39.3% from the last close, from 14 firms rating the stock in the last 90 days.
$1,513.37consensus 12-month target, +39.3% from the last close
Now $1,086.05Avg $1,513.37
Low $1,331High $1,695
Each firm’s latest rating in the last 90 days: 14 firms.
Latest analyst actions
| Date | Firm | Target | vs price |
|---|---|---|---|
| Sep 17 | J.P. Morgan | $1,415 | +30.3% |
| Sep 16 | RBC Capital | $1,350 | +24.3% |
| Sep 14 | Guggenheim | — | — |
| Sep 14 | Guggenheim | — | — |
| Sep 14 | Melius Research | $1,331 | +22.6% |
+1.0%average 20-day move after past Buying readings
−1.7%average move over the next 20 trading days in the last 5 years
±2.3%typical daily move, from the 14-day average range
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Transdigm seasonality: the next 20 trading days
Over the next 20 trading days from Sep 19, Transdigm averaged −1.7% across the last 5 years, rising in 2 of them.
Next 20 trading days, by year
Average move and hit rate
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | −0.6% | 3 of 5 |
| Next 10 trading days | −1.0% | 3 of 5 |
| Next 15 trading days | −1.3% | 2 of 5 |
| Next 20 trading days | −1.7% | 2 of 5 |
| Next 30 trading days | −1.2% | 2 of 5 |
For scale, TDG’s typical 20-trading-day move in either direction is about 4.9%.
Transdigm market cap and key statistics
Transdigm’s market cap is $60.75B, with a P/E ratio of 32.8 and revenue of $10.01B over the last twelve months.
Valuation
- Market cap
- $60.75B
- P/E ratio
- 32.8
- Forward P/E
- 22.5
- EPS, TTM
- $32.82
- Gekko Fair Value
- $1,679.27
Trading
- Volume
- 766,246
- Avg volume, 20 days
- 389,616
- 52-week high
- $1,463.03
- 52-week low
- $1,071.25
- Shares outstanding
- 55.28M
Financials
- Revenue, TTM
- $10.01B
- Profit margin
- 21.3%
- Return on equity
- 0%
- Quarterly earnings growth, YoY
- +10.9%
Risk and income
- Beta
- 0.89
- Typical daily move
- ±2.3%
- Typical 20-day move
- ±4.9%
Transdigm stock news this week
Coverage of Transdigm this week reads negative: 7 positive, 7 neutral and 9 negative headlines.
- Transdigm Group Inc. (0REK) Q4 2022 Earnings Report - Results, Call & SlidesTipRanks, Sep 19
- Can Rising Defense Demand Strengthen TransDigm's Growth Outlook?Zacks Investment Research, Sep 18
- Transdigm Group (NYSE:TDG) Price Target Lowered to $1,415.00 at JPMorgan Chase & Co.MarketBeat, Sep 17
- JPMorgan Adjusts Price Target on TransDigm Group to $1,415 From $1,450, Keeps Neutral Ratingmarketscreener.com, Sep 17
- TransDigm COO Joel Reiss Executes Stock Option Exercise and Sells Shares Under Rule 10b5-1 PlanKalkine Media, Sep 17
- TransDigm Group stock heads into the open after a 2.4 percent dropad-hoc-news.de, Sep 17
Transdigm peers
Transdigm’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.
| Stock | GekkoIndex zone | vs Fair Value |
|---|---|---|
| GEGE Aerospace | Buying | 2.3% below |
| RTXRTX | Buying | 12.1% below |
| BABoeing | Buying | 17.4% below |
| LMTLockheed Martin | Accumulation | 19.7% below |
| GDGeneral Dynamics | Accumulation | 6.6% below |
| HWMHowmet Aerospace | Accumulation | 3.0% below |
A peer links to its own page where one exists.
Transdigm stock FAQ
What is Transdigm’s market cap?
Transdigm’s market cap is $60.75B at the Sep 18, 2026 close of $1,086.05, with 55.28M shares outstanding. The shares trade on a P/E ratio of 32.8.
What is the Transdigm stock forecast?
The consensus analyst 12-month price target for Transdigm is $1,513.37, +39.3% from the last close. Of the 14 firms that rated the stock in the last 90 days, 5 rate it a buy, 9 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.
Is Transdigm stock overvalued or undervalued?
On Gekko’s estimate Transdigm is undervalued: the Sep 18, 2026 close of $1,086.05 is 35.3% below Gekko Fair Value of $1,679.27. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
When does Transdigm report earnings next?
Transdigm is expected to report on Nov 11, 2026 (52 days away). Analysts expect earnings of $12.10 per share on revenue of $2.94B. Transdigm beat the earnings estimate in 7 of its last 8 reports, moving 6.2% on average across the report.
What is Transdigm’s 52-week high and low?
Transdigm’s 52-week high is $1,463.03 and its 52-week low is $1,071.25; it closed at $1,086.05 on Sep 18, 2026, −14.9% over the past year.
Is Transdigm stock a buy right now?
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 4 of the 6 items with data read as supportive (gekkoindex, fair value, smart money and earnings risk) and 2 as headwinds (trend and seasonality). The checklist is a description of current data, not a recommendation.
How this page works
Prices and signals update after every US market close; the GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →
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