TDG · TransDigm Group INC · Insider Trading

$1,082.60 -17.19 (-1.56%) At close · Sep 30

S&P 500 member Russell 1000 member Rebalance outlook locked

Market Cap

$61.70B

55.28M

Volume · Sep 30 385.16K Avg daily vol (3M) 391.79K

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.

Query insider transactions through the insider trading API or MCP →

Date	Insider	Role	Type	Security	Shares	Price	Value	After
2026-09-18	MCCULLOUGH GARY E	Director	Award↑ Filing footnotes — Common Stock (Direct) Receipt of stock in lieu of payment of semi-annual director fee, based on fair market value in accordance with the Director Share Plan.	Common Stock	41	$1,085.00	$44,485	993
2026-09-18	Krasik Irina Igorevna	Director	Award↑ Filing footnotes — Common Stock (Direct) Receipt of stock in lieu of payment of semi-annual director fee, based on fair market value in accordance with the Director Share Plan.	Common Stock	13	$1,085.00	$14,105	13
2026-09-18	Howley W Nicholas	Director	Award↑ Filing footnotes — Common Stock (Direct) Receipt of stock in lieu of payment of semi-annual director fee, based on fair market value in accordance with the Director Share Plan.	Common Stock	126	$1,085.00	$136,710	239
2026-09-18	Santana Michele	Director	Award↑ Filing footnotes — Common Stock (Direct) Receipt of stock in lieu of payment of semi-annual director fee, based on fair market value in accordance with the Director Share Plan.	Common Stock	34	$1,085.00	$36,890	805
2026-09-18	SMALL ROBERT J	Director	Other↑	Common Stock	0	—	—	5,677
2026-09-18	CRONIN JANE M.	Director	Award↑ Filing footnotes — Common Stock (Direct) Receipt of stock in lieu of payment of semi-annual director fee, based on fair market value in accordance with the Director Share Plan.	Common Stock	34	$1,085.00	$36,890	733
2026-09-18	BARR DAVID	Director	Award↑ Filing footnotes — Common Stock (Direct) Receipt of stock in lieu of payment of semi-annual director fee, based on fair market value in accordance with the Director Share Plan.	Common Stock	46	$1,085.00	$49,910	32,225
2026-09-18	HENNESSY SEAN P	Director	Award↑ Filing footnotes — Common Stock (Direct) Receipt of stock in lieu of payment of semi-annual director fee, based on fair market value in accordance with the Director Share Plan.	Common Stock	46	$1,085.00	$49,910	33,836
2026-09-18	Graff Michael	Director	Award↑ Filing footnotes — Common Stock (Direct) Receipt of stock in lieu of payment of semi-annual director fee, based on fair market value in accordance with the Director Share Plan.	Common Stock	34	$1,085.00	$36,890	1,717
2026-09-18	Palmer Peter	Director	Award↑ Filing footnotes — Common Stock (Direct) Receipt of stock in lieu of payment of semi-annual director fee, based on fair market value in accordance with the Director Share Plan.	Common Stock	34	$1,085.00	$36,890	4,064
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,091.5800 - $1,092.5700. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	170	$1,092.13	$185,662	6,200
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,089.5400 - $1,090.3600. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	70	$1,090.06	$76,304	6,470
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,083.3700 - $1,084.2700. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	170	$1,083.67	$184,224	7,020
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓	Common Stock	10	$1,088.06	$10,881	6,540
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,096.7000 - $1,097.6900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	294	$1,097.26	$322,595	4,820
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,112.3400 - $1,112.4500. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	30	$1,112.38	$33,371	3,640
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,103.0100 - $1,103.8850. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	210	$1,103.44	$231,722	3,870
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,097.7200 - $1,098.7100. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	150	$1,098.41	$164,761	4,670
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,094.6300 - $1,095.5700. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	225	$1,095.11	$246,399	5,310
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,084.6500 - $1,085.2700. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	240	$1,084.87	$260,369	6,780
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,102.0000 - $1,102.9800. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	274	$1,102.49	$302,082	4,080
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,118.9700 - $1,119.0200. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	20	$1,119.00	$22,380	3,600
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,099.9300 - $1,100.7000. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	60	$1,100.41	$66,024	4,520
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,093.6200 - $1,094.5600. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	383	$1,094.06	$419,025	5,535
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,090.5800 - $1,091.4500. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	100	$1,091.00	$109,100	6,370
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,095.7000 - $1,096.6900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	196	$1,096.17	$214,849	5,114
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,106.3200 - $1,106.8900. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	40	$1,106.69	$44,267	3,700
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Convert↑	Common Stock	3,900	$284.97	$1,111,383	7,500
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,092.5800 - $1,093.5700. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	282	$1,093.10	$308,255	5,918
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,082.3500 - $1,083.2700. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	310	$1,082.96	$335,719	7,190
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,098.7700 - $1,099.6500. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	90	$1,099.14	$98,923	4,580
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,105.2400 - $1,105.4600. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	5	$1,105.28	$5,526	3,740
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Convert↓	Stock Option	3,900	—	—	4,100
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,087.0000 - $1,087.9200. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	120	$1,087.49	$130,499	6,550
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,085.7600 - $1,086.5700. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	110	$1,086.27	$119,490	6,670
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,100.9400 - $1,101.9200. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	166	$1,101.52	$182,853	4,354
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,104.0300 - $1,105.0100. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	125	$1,104.58	$138,072	3,745
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓ Filing footnotes — Common Stock (Direct) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,108.2300 - $1,108.4000. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock	30	$1,108.34	$33,250	3,670
2026-09-15	Reiss Joel	Co-Chief Operating Officer	Sell↓	Common Stock	20	$1,113.37	$22,267	3,620
2026-08-18	Howley W Nicholas	Director	Sell↓ Filing footnotes — Common Stock (Indirect) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,230.6000 - $1,231.5800. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock (I)	830	$1,231.12	$1,021,829	29,715
2026-08-18	Howley W Nicholas	Director	Sell↓ Filing footnotes — Common Stock (Indirect) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,228.4900 - $1,229.4800. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock (I)	290	$1,229.09	$356,437	31,115
2026-08-18	Howley W Nicholas	Director	Sell↓ Filing footnotes — Common Stock (Indirect) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,229.4900 - $1,230.1400. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock (I)	570	$1,230.02	$701,111	30,545
2026-08-18	Howley W Nicholas	Director	Sell↓ Filing footnotes — Common Stock (Indirect) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,232.8900 - $1,233.6700. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock (I)	450	$1,233.30	$554,987	28,210
2026-08-18	Howley W Nicholas	Director	Sell↓ Filing footnotes — Common Stock (Indirect) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,235.4300 - $1,236.6700. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock (I)	140	$1,236.12	$173,057	27,800
2026-08-18	Howley W Nicholas	Director	Sell↓ Filing footnotes — Common Stock (Indirect) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,227.1550 - $1,227.9700. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock (I)	70	$1,227.62	$85,934	31,405
2026-08-18	Howley W Nicholas	Director	Sell↓ Filing footnotes — Common Stock (Indirect) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,240.9200 - $1,241.4600. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock (I)	190	$1,241.14	$235,816	21,547
2026-08-18	Howley W Nicholas	Director	Sell↓ Filing footnotes — Common Stock (Indirect) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,234.4000 - $1,235.2100. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock (I)	270	$1,234.69	$333,366	27,940
2026-08-18	Howley W Nicholas	Director	Sell↓ Filing footnotes — Common Stock (Indirect) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,239.8700 - $1,240.7500. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock (I)	1,313	$1,240.42	$1,628,674	21,737
2026-08-18	Howley W Nicholas	Director	Sell↓ Filing footnotes — Common Stock (Indirect) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,238.8700 - $1,239.8500. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock (I)	3,980	$1,239.17	$4,931,915	23,050
2026-08-18	Howley W Nicholas	Director	Sell↓ Filing footnotes — Common Stock (Indirect) Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $1,236.7100 - $1,237.4600. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.	Common Stock (I)	250	$1,236.89	$309,224	27,550

Legend Buy — open-market purchase Sell — open-market sale ↑ Shares acquired ↓ Shares disposed (gift, conversion, tax…)

Showing 1–50 of 3,518 transactions

Key facts CIK 1260221 CUSIP 893641100 13F (30d) 18 filings 14 filers Visit website Investor relations