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See how Context works →On the price, the facts of the public record■Insider buy□Insider sell●Results filed
With an account, also○dividends▲splits◌next earningswith an account
End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.
Latest on record
The most recent facts, as filed.
Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.
- Oct 15, 2026Reported sale · Form 4Joel Reiss, Co-Chief Operating Officer · $22.2KOpen the filing ↗
- Oct 15, 2026Reported sale · Form 4Joel Reiss, Co-Chief Operating Officer · $111.4KOpen the filing ↗
- Oct 15, 2026Reported sale · Form 4Joel Reiss, Co-Chief Operating Officer · $111.5KOpen the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year250
SEC filings on record2,3207 flagged findings
Reported transactions (Form 4)80since Nov 20, 2025 · and 33 other holdings
Corporate events (8-K)30since Nov 28, 2023
What the record says
Description, identity and filings, each with its source.
Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.
What the company does
TransDigm Group Incorporated is an American publicly traded aerospace manufacturing company headquartered in Cleveland, Ohio. TransDigm develops and manufactures engineered aerospace components. It was founded in 1993, when four industrial aerospace companies were combined by a private equity firm in a leveraged buyout. TransDigm expanded the range of aerospace components it manufactures through acquisitions over the years. It filed an initial public offering on the New York Stock Exchange in 2006.
Source: Wikipedia (CC BY-SA 4.0) · copied on Sep 3, 2026 · may not reflect recent changes.
The 25 most recent filings (of 2,320)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
- Oct 16, 26Form 4 ↗Insider transaction new
- Sep 29, 268-K ↗Current report · Entered a material agreement
- Sep 28, 268-K ↗Current report · Other events
- Sep 22, 26Form 4/A ↗Insider transaction · amendment
- Sep 21, 268-K ↗Current report · Other events
- Sep 15, 26Form 144 ↗Notice of proposed sale
- Sep 14, 268-K ↗Current report · Communication to the market
- Sep 14, 268-K ↗Current report · Communication to the market
- Sep 14, 268-K ↗Current report · Communication to the market
- Aug 7, 26Form 144 ↗Notice of proposed sale
- Aug 4, 2610-Q ↗Quarterly report
- Aug 4, 268-K ↗Current report · Results
2,320 filings on record, the oldest from Mar 14, 06.
Listing the 25 most recent filings of the 2,320 on record.
315260
- Sep 29, 26Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Jul 24, 26A senior executive left or was appointed8-K 5.02 ↗
- Apr 17, 26Took on a new financial obligation+2 more in the same filing8-K 2.03 ↗
- Feb 13, 26Took on a new financial obligation+2 more in the same filing8-K 2.03 ↗
3 senior executive changes2025show all 3hide
- Oct 23, 25A senior executive left or was appointed8-K 5.02 ↗
- Oct 3, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Oct 1, 25A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Sep 18, 25Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Aug 20, 25Entered a material agreement+3 more in the same filing8-K 1.01 ↗
3 senior executive changes2025show all 3hide
- Aug 5, 25A senior executive left or was appointed8-K 5.02 ↗
- Jul 25, 25A senior executive left or was appointed8-K 5.02 ↗
- Jul 9, 25A senior executive left or was appointed8-K 5.02 ↗
- May 20, 25Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- May 6, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Sep 20, 24Took on a new financial obligation+3 more in the same filing8-K 2.03 ↗
- Jun 4, 24Entered a material agreement+2 more in the same filing8-K 1.01 ↗
3 older filings not shown · The record reaches back to Apr 5, 06.
Stress disclosures older than the timeline above. They are individual events from the record, not a complete timeline: there may be more between them.
- Jan 4, 16Listing notice (8-K 3.01)+6 more in the same filing8-K 3.01 ↗
- Feb 22, 10Listing notice (8-K 3.01)+1 more in the same filing8-K 3.01 ↗
- Feb 10, 10Past accounts declared unreliable and being restated+2 more in the same filing8-K 4.02 ↗
The full record holds 3 stress filings.
Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.
Schedule 13G: short-form filing
The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.
- The Vanguard Group11.9%Jun 30, 25SCHEDULE 13G/A ↗
- Capital International Investors9.9%Mar 31, 26SCHEDULE 13G/A ↗
- Capital World Investors8.3%Mar 31, 26SCHEDULE 13G/A ↗1 earlier filing
- Vanguard Capital Management7.5%Mar 31, 26SCHEDULE 13G ↗
- Capital Research Global Investors5.6%Mar 31, 26SCHEDULE 13G ↗
Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.
Sale intention announced
On Sep 15, JOEL REISS filed notice of intent to sell up to $8.9M. That is about 0.01% of shares outstanding. It is filed under a scheduled plan (10b5-1), arranged in advance.
A notice is not a sale: it may not go ahead, may happen in part, or at a different price.
After the notice, they sold $8.9M across 48 trades, between Sep 15 and Oct 15, per their Form 4. That is 100% of the shares announced so far, and the window is still open.
View notice (Form 144) ↗+1 more recent notices
- Oct 15, 26Sell$22KJoel ReissCo-Chief Operating Officer↗
- Oct 15, 26Sell$111KJoel ReissCo-Chief Operating Officer↗
- Oct 15, 26Sell$111KJoel ReissCo-Chief Operating Officer↗
- Oct 15, 26Sell$56KJoel ReissCo-Chief Operating Officer↗
- Oct 15, 26Sell$67KJoel ReissCo-Chief Operating Officer↗
- Oct 15, 26Sell$112KJoel ReissCo-Chief Operating Officer↗
- Oct 15, 26Sell$34KJoel ReissCo-Chief Operating Officer↗
- Oct 15, 26Sell$67KJoel ReissCo-Chief Operating Officer↗
- Oct 15, 26Sell$147KJoel ReissCo-Chief Operating Officer↗
- Oct 15, 26Sell$344KJoel ReissCo-Chief Operating Officer↗
- Oct 15, 26Sell$675KJoel ReissCo-Chief Operating Officer↗
- Oct 15, 26Sell$313KJoel ReissCo-Chief Operating Officer↗
There are 15 more transactions in this stretch.
Stock compensation, tax and giftsshow the 13 other transactionshide
Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.
- Oct 15, 26Compensation$1.2MJoel ReissCo-Chief Operating Officer↗
- Sep 18, 26Compensation$44KGARY E MCCULLOUGH↗
- Sep 18, 26Compensation$50KSEAN P HENNESSY↗
- Sep 18, 26Compensation$56KROBERT J SMALL↗
- Sep 18, 26Compensation$50KDAVID BARR↗
- Sep 18, 26Compensation$37KMichael Graff↗
- Sep 18, 26Compensation$137KW Nicholas Howley↗
- Sep 18, 26Compensation$37KPeter Palmer↗
- Sep 18, 26Compensation$37KMichele Santana↗
- Sep 18, 26Compensation$37KJANE M. CRONIN↗
- Sep 18, 26Compensation$14KIrina Igorevna Krasik↗
- Sep 18, 26Otheramount n/aROBERT J SMALL↗
- Sep 15, 26Compensation$1.1MJoel ReissCo-Chief Operating Officer↗
The full record holds 2,104 transactions and goes back to Jun 7, 18.
Its sector and its market
TransDigm Group Inc. among Industrials companies
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- 250 clean closes in the period.
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- 2,320 documents on file, from Mar 14, 2006 to Oct 16, 2026.
- Company description
- Wikipedia, read on Sep 3, 2026.
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Which SEC documents appear here?
Those filed with the SEC by the company, its insiders and its major shareholders, within our coverage: periodic reports (10-K, 10-Q, 20-F), material events (8-K), proposed sale notices (Form 144), insider transactions (Form 4) and stakes above 5% (13D/13G). Each links to the original on EDGAR.
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