Company · CIK 0001260221 · SIC 3728 — Aircraft Parts & Auxiliary Equipment, NEC · NYSE
TransDigm Group INC · TDG
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 18, 2026 JForm 4/A → | Sep 22, 8:24 pm EDT | Robert J SmallDirector | — | — | — | 5,677 | — | |
| Sep 18, 2026 AForm 4 → | Sep 21, 4:59 pm EDT | Peter PalmerDirector | 34 | $1,085.00 | $36,890 | 4,064 | — | |
| Sep 18, 2026 AForm 4 → | Sep 21, 4:55 pm EDT | W Nicholas HowleyDirector | 126 | $1,085.00 | $136,710 | 239 | — | |
| Sep 18, 2026 AForm 4 → | Sep 21, 4:51 pm EDT | Irina Igorevna KrasikDirector | 13 | $1,085.00 | $14,105 | 13 | — | |
| Sep 18, 2026 AForm 4 → | Sep 21, 4:49 pm EDT | Robert J SmallDirector | 52 | $1,085.00 | $56,420 | 5,677 | — | amended |
| Sep 18, 2026 AForm 4 → | Sep 21, 4:24 pm EDT | Michele SantanaDirector | 34 | $1,085.00 | $36,890 | 805 | — | |
| Sep 18, 2026 AForm 4 → | Sep 21, 4:19 pm EDT | Gary E McCulloughDirector | 41 | $1,085.00 | $44,485 | 993 | — | |
| Sep 18, 2026 AForm 4 → | Sep 21, 4:12 pm EDT | Sean P HennessyDirector | 46 | $1,085.00 | $49,910 | 33,836 | — | |
| Sep 18, 2026 AForm 4 → | Sep 21, 4:10 pm EDT | Michael GraffDirector | 34 | $1,085.00 | $36,890 | 1,717 | — | |
| Sep 18, 2026 AForm 4 → | Sep 21, 4:08 pm EDT | Jane M. CroninDirector | 34 | $1,085.00 | $36,890 | 734 | — | |
| Sep 18, 2026 AForm 4 → | Sep 21, 4:06 pm EDT | David BarrDirector | 46 | $1,085.00 | $49,910 | 32,225 | — | |
| Sep 15, 2026 SForm 4 → | Sep 16, 5:09 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | $1,094.58 | $4,268,872 | 3,600 | −52.0% | 10b5-1 |
| Sep 15, 2026 MForm 4 → | Sep 16, 5:09 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | $284.97 | $1,111,383 | 7,500 | — | 10b5-1 |
| Aug 18, 2026 SForm 4 → | Aug 19, 4:21 pm EDT | W Nicholas HowleyDirector | 10,132 | $1,236.28 | $12,525,949 | 21,548 | −32.0% | 10b5-1 |
| Aug 18, 2026 MForm 4 → | Aug 19, 4:21 pm EDT | W Nicholas HowleyDirector | 10,132 | $66.47 | $673,474 | 31,680 | — | 10b5-1 |
| Aug 17, 2026 SForm 4 → | Aug 18, 4:26 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | $1,238.76 | $4,831,152 | 3,600 | −52.0% | 10b5-1 |
| Aug 17, 2026 MForm 4 → | Aug 18, 4:26 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | $284.97 | $1,111,383 | 7,500 | — | 10b5-1 |
| Jul 20, 2026 SForm 4 → | Jul 21, 4:47 pm EDT | W Nicholas HowleyDirector | 10,132 | $1,216.08 | $12,321,288 | 21,548 | −32.0% | 10b5-1 |
| Jul 20, 2026 MForm 4 → | Jul 21, 4:47 pm EDT | W Nicholas HowleyDirector | 10,132 | $66.47 | $673,474 | 31,680 | — | 10b5-1 |
| Jul 15, 2026 SForm 4 → | Jul 17, 4:17 pm EDT | Joel ReissCo-Chief Operating Officer | 414 | $1,231.11 | $509,678 | 3,600 | −10.3% | 10b5-1 amended |
| Jul 15, 2026 SForm 4 → | Jul 17, 4:16 pm EDT | Joel ReissCo-Chief Operating Officer | 3,486 | $1,216.21 | $4,239,695 | 4,014 | −46.5% | 10b5-1 |
| Jul 15, 2026 MForm 4 → | Jul 17, 4:16 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | $284.97 | $1,111,383 | 7,500 | — | 10b5-1 |
| Jun 18, 2026 JForm 4/A → | Jun 24, 4:57 pm EDT | W Nicholas HowleyDirector | — | — | — | 21,548 | — | 10b5-1 |
| Jun 18, 2026 SForm 4 → | Jun 22, 4:57 pm EDT | W Nicholas HowleyDirector | 10,132 | $1,319.55 | $13,369,720 | 21,548 | −32.0% | amended |
| Jun 18, 2026 MForm 4 → | Jun 22, 4:57 pm EDT | W Nicholas HowleyDirector | 10,132 | $66.47 | $673,474 | 31,680 | — | amended |
| Jun 18, 2026 SForm 4 → | Jun 22, 4:50 pm EDT | W Nicholas HowleyDirector | 10,132 | $1,319.55 | $13,369,720 | 21,548 | −32.0% | |
| Jun 18, 2026 MForm 4 → | Jun 22, 4:50 pm EDT | W Nicholas HowleyDirector | 10,132 | $66.47 | $673,474 | 31,680 | — | |
| Jun 18, 2026 SForm 4 → | Jun 22, 4:50 pm EDT | W Nicholas HowleyDirector | 10,132 | $1,319.55 | $13,369,720 | 21,548 | −32.0% | |
| Jun 18, 2026 MForm 4 → | Jun 22, 4:50 pm EDT | W Nicholas HowleyDirector | 10,132 | $66.47 | $673,474 | 31,680 | — | |
| Jun 15, 2026 SForm 4 → | Jun 16, 4:05 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | $1,276.78 | $4,979,457 | 3,600 | −52.0% | |
| Jun 15, 2026 MForm 4 → | Jun 16, 4:05 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | $284.97 | $1,111,383 | 7,500 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 MForm 4 → | Sep 16, 5:09 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | — | — | 4,100 | — | 10b5-1 |
| Aug 18, 2026 MForm 4 → | Aug 19, 4:21 pm EDT | W Nicholas HowleyDirector | 10,132 | — | — | 1,700 | — | 10b5-1 |
| Aug 17, 2026 MForm 4 → | Aug 18, 4:26 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | — | — | 8,000 | — | 10b5-1 |
| Jul 20, 2026 MForm 4 → | Jul 21, 4:47 pm EDT | W Nicholas HowleyDirector | 10,132 | — | — | 11,832 | — | 10b5-1 |
| Jul 15, 2026 MForm 4/A → | Jul 21, 4:48 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | — | — | 11,900 | — | 10b5-1 |
| Jul 15, 2026 MForm 4 → | Jul 17, 4:16 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | — | — | 19,700 | — | 10b5-1 |
| Jun 18, 2026 MForm 4 → | Jun 22, 4:57 pm EDT | W Nicholas HowleyDirector | 10,132 | — | — | 21,964 | — | amended |
| Jun 18, 2026 MForm 4 → | Jun 22, 4:50 pm EDT | W Nicholas HowleyDirector | 10,132 | — | — | 21,964 | — | |
| Jun 18, 2026 MForm 4 → | Jun 22, 4:50 pm EDT | W Nicholas HowleyDirector | 10,132 | — | — | 21,964 | — | |
| Jun 15, 2026 MForm 4 → | Jun 16, 4:05 pm EDT | Joel ReissCo-Chief Operating Officer | 3,900 | — | — | 15,800 | — |