TransDigm Group INC
TDG- Exchange
- NYSE
- Industry
- Aircraft Parts & Auxiliary Equipment, NEC
- SEC CIK
- 0001260221
In the last 90 days, TransDigm Group INC insiders filed 0 open-market purchases and 6 sales; 1,146 institutions reported holding it in 13F filings for Q2 2026, worth $70.0B in total; superinvestors Third Point and Lone Pine Capital hold it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by TransDigm Group INC insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 6 filings
- 2 insiders, $38.7M in total
- Insiders trading
- 2
- Net value
- −$38.7M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for TransDigm Group INC, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Small Robert J | Director | 5,677 | Sep 22, 2026 | 5 |
| Palmer Peter | Director | 4,064 | Sep 21, 2026 | 3 |
| Howley W Nicholas | Director | 239 | Sep 21, 2026 | 15 |
| Krasik Irina Igorevna | Director | 13 | Sep 21, 2026 | 1 |
| Santana Michele | Director | 805 | Sep 21, 2026 | 3 |
| McCullough Gary E | Director | 993 | Sep 21, 2026 | 3 |
| Hennessy Sean P | Director | 33,836 | Sep 21, 2026 | 3 |
| Graff Michael | Director | 1,717 | Sep 21, 2026 | 4 |
| Cronin Jane M. | Director | 734 | Sep 21, 2026 | 3 |
| Barr David | Director | 32,225 | Sep 21, 2026 | 3 |
| Reiss Joel | Co-Chief Operating Officer | 3,600 | Sep 16, 2026 | 15 |
| Murphy Patrick Joseph | Co-Chief Operating Officer | 2,515 | Feb 25, 2026 | 7 |
| Lisman Michael | President & CEO | 3,259 | Feb 9, 2026 | 3 |
| Wynne Sarah | Chief Financial Officer | 4,894 | Feb 6, 2026 | 2 |
| Stein Kevin M | Director | 8,158Indirect | Feb 3, 2026 | 13 |
| Vadiee Armani | GC, CCO, Secretary | – | Nov 6, 2025 | 1 |
| Valladares Jorge | Director | 0Indirect | May 14, 2025 | 0 |
| Warren Jessica L | GC, CCO, Secretary | 575 | May 13, 2025 | 0 |
| Staer John | Director | 91 | Mar 14, 2023 | 0 |
| Dunn Mervin | Director | 1,562 | Nov 18, 2022 | 0 |
| Laubenthal Raymond F | Director | 156,595 | Mar 29, 2022 | 0 |
| Henderson Robert S | Exec.V.P. | 0Indirect | Dec 9, 2021 | 0 |
| Terrion Halle Fine | GC, CCO, Secretary | – | Nov 16, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 20, 2022 (view filing) | Apr 18 | 2 days | Howley W NicholasDirector | SSale | −11.5K | $631.75 | −$7.27M | −34.8%21.5K after | 11 lots |
| Mar 23, 2022 (view filing) | Mar 22 | 1 day | Laubenthal Raymond FDirector | SSale | −5.00K | $670.00 | −$3.35M | −3.1%156.5K after | |
| Mar 16, 2022 (view filing) | Mar 15 | 1 day | Howley W NicholasDirector | SSale | −11.5K | $632.64 | −$7.28M | −34.8%21.5K after | 15 lots |
| Feb 16, 2022 (view filing) | Feb 15 | 1 day | Howley W NicholasDirector | SSale | −11.5K | $646.42 | −$7.43M | −34.8%21.5K after | 12 lots |
| Jan 19, 2022 (view filing) | Jan 18 | 1 day | Howley W NicholasDirector | SSale | −11.5K | $630.77 | −$7.25M | −34.8%21.5K after | 12 lots |
| Jan 12, 2022 (view filing) | May 27-Jun 15, 2021 | 230 daysLate | Laubenthal Raymond FDirector | SSale | −10.0K | $663.00 | −$6.63M | −5.7%164.6K after | 3 lots |
| Dec 17, 2021 (view filing) | Dec 15 | 2 days | Howley W NicholasDirector | SSale | −11.5K | $571.72 | −$6.57M | −34.8%21.5K after | 10 lots |
| Dec 9, 2021 (view filing) | Feb 24 | 288 daysLate | Henderson Robert SExec.V.P. | SSale | −10.0K | $617.30 | −$6.17M | −100.0%0 after | 12 lots |
| Dec 2, 2021 (view filing) | Dec 2 | Same day | Staer JohnDirector | PPurchase | +13 | $578.32 | +$7.52K | +100.0%26 after | |
| Nov 22, 2021 (view filing) | Nov 18 | 4 days | Stein Kevin MPresident & CEO | SSale | −40.0K | $661.47 | −$26.5M | −96.7%1.35K after | 6 lots |
| Nov 19, 2021 (view filing) | Nov 19 | Same day | Cronin Jane M.Director | PPurchase | +300 | $634.27 | +$190.3K | +1,000.0%330 after | |
| Nov 17, 2021 (view filing) | Nov 15 | 2 days | Howley W NicholasDirector | SSale | −11.5K | $649.14 | −$7.47M | −34.8%21.5K after | 14 lots |
| Nov 2, 2021 (view filing) | Nov 1 | 1 day | Henderson Robert SExec.V.P. | SSale | −10.0K | $627.17 | −$6.27M | −100.0%0 after | 5 lots |
| Oct 18, 2021 (view filing) | Oct 15 | 3 days | Howley W NicholasDirector | SSale | −11.5K | $641.27 | −$7.37M | −34.8%21.5K after | 5 lots |
| Sep 17, 2021 (view filing) | Sep 15 | 2 days | Howley W NicholasDirector | SSale | −11.5K | $608.24 | −$6.99M | −34.8%21.5K after | 12 lots |
| Sep 9, 2021 (view filing) | Sep 7 | 2 days | Lisman MichaelChief Financial Officer | PPurchase | +850 | $591.19 | +$502.5K | +58.3%2.31K after | Amended2 lots |
| Aug 16, 2021 (view filing) | Aug 16 | Same day | Howley W NicholasDirector | SSale | −11.5K | $601.55 | −$6.92M | −34.8%21.5K after | 9 lots |
| Aug 3, 2021 (view filing) | Aug 2 | 1 day | Henderson Robert SExec.V.P. | SSale | −10.0K | $643.99 | −$6.44M | −100.0%0 after | 13 lots |
| Jul 16, 2021 (view filing) | Jul 15 | 1 day | Howley W NicholasExec. Chairman of the Board | SSale | −11.5K | $639.34 | −$7.35M | −34.0%22.4K after | 10 lots |
| Jul 2, 2021 (view filing) | Jul 1 | 1 day | Henderson Robert SExec.V.P. | SSale | −10.0K | $654.67 | −$6.55M | −100.0%0 after | 9 lots |