TDG insider transaction filings
TransDigm Group INC — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-21. Screen TDG transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 18 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 105 legs across 6 filings by 2 insiders — 31,964 shares, $38,696,634 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 22.
- Largest priced transaction: sale of 3,980 shares @ $1,239.17 ($4,931,915) by Howley W Nicholas, filed 2026-08-19.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Howley W Nicholas — Director | 4 | — | 26 legs · 20,264 sh · $24,847,237 | 6 |
| Reiss Joel — Co-Chief Operating Officer | 5 | — | 79 legs · 11,700 sh · $13,849,396 | 7 |
| BARR DAVID — Director | 1 | — | — | 1 |
| CRONIN JANE M. — Director | 1 | — | — | 1 |
| Graff Michael — Director | 1 | — | — | 1 |
| HENNESSY SEAN P — Director | 1 | — | — | 1 |
| Krasik Irina Igorevna — Director | 1 | — | — | 1 |
| MCCULLOUGH GARY E — Director | 1 | — | — | 1 |
| Palmer Peter — Director | 1 | — | — | 1 |
| SMALL ROBERT J — Director | 1 | — | — | 1 |
+1 more insider in the window, not shown — every filing appears in the table below.
Recent Form 4 filings — TransDigm Group INC
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-21 | 4 | Palmer Peter — Director | Grant/award (A): 34 @ $1,085 | EDGAR |
| 2026-09-21 | 4 | SMALL ROBERT J — Director | Grant/award (A): 52 @ $1,085 | EDGAR |
| 2026-09-21 | 4 | Krasik Irina Igorevna — Director | Grant/award (A): 13 @ $1,085 | EDGAR |
| 2026-09-21 | 4 | Howley W Nicholas — Director | Grant/award (A): 126 @ $1,085 | EDGAR |
| 2026-09-21 | 4 | MCCULLOUGH GARY E — Director | Grant/award (A): 41 @ $1,085 | EDGAR |
| 2026-09-21 | 4 | Santana Michele — Director | Grant/award (A): 34 @ $1,085 | EDGAR |
| 2026-09-21 | 4 | BARR DAVID — Director | Grant/award (A): 46 @ $1,085 | EDGAR |
| 2026-09-21 | 4 | CRONIN JANE M. — Director | Grant/award (A): 34 @ $1,085 | EDGAR |
| 2026-09-21 | 4 | Graff Michael — Director | Grant/award (A): 34 @ $1,085 | EDGAR |
| 2026-09-21 | 4 | HENNESSY SEAN P — Director | Grant/award (A): 46 @ $1,085 | EDGAR |
| 2026-09-16 | 4 | Reiss Joel — Co-Chief Operating Officer | Option exercise (M): 3,900 @ $284.97 · Sale (S): 310 @ $1,082.96 · Sale (S): 170 @ $1,083.67 · Sale (S): 240 @ $1,084.87 · Sale (S): 110 @ $1,086.27 · Sale (S): 120 @ $1,087.49 · +23 more | EDGAR |
| 2026-08-19 | 4 | Howley W Nicholas — Director | Option exercise (M): 10,132 @ $66.47 · Sale (S): 204 @ $1,225.60 · Sale (S): 70 @ $1,227.62 · Sale (S): 290 @ $1,229.09 · Sale (S): 570 @ $1,230.02 · Sale (S): 830 @ $1,231.12 · +10 more | EDGAR |
| 2026-08-18 | 4 | Reiss Joel — Co-Chief Operating Officer | Option exercise (M): 3,900 @ $284.97 · Sale (S): 140 @ $1,232.82 · Sale (S): 260 @ $1,233.87 · Sale (S): 327 @ $1,234.93 · Sale (S): 373 @ $1,235.86 · Sale (S): 671 @ $1,236.80 · +15 more | EDGAR |
| 2026-07-21 | 4 | Howley W Nicholas — Director | Option exercise (M): 10,132 @ $66.47 · Sale (S): 570 @ $1,210.32 · Sale (S): 240 @ $1,211.46 · Sale (S): 1,720 @ $1,212.73 · Sale (S): 1,437 @ $1,213.88 · Sale (S): 1,561 @ $1,214.74 · +8 more | EDGAR |
| 2026-07-21 | 4/A | Reiss Joel — Co-Chief Operating Officer | Option exercise (M): 3,900 (derivative) @ $0 | EDGAR |
| 2026-07-17 | 4 | Reiss Joel — Co-Chief Operating Officer | Sale (S): 190 @ $1,230.06 · Sale (S): 70 @ $1,231.09 · Sale (S): 144 @ $1,232.34 · Sale (S): 10 @ $1,233.38 | EDGAR |
| 2026-07-17 | 4 | Reiss Joel — Co-Chief Operating Officer | Option exercise (M): 3,900 @ $284.97 · Sale (S): 10 @ $1,195.20 · Sale (S): 70 @ $1,197.85 · Sale (S): 80 @ $1,198.80 · Sale (S): 156 @ $1,200.14 · Sale (S): 160 @ $1,201.32 · +25 more | EDGAR |
| 2026-06-24 | 4/A | Howley W Nicholas — Director | Other (J): 0 @ $0 | EDGAR |
| 2026-06-22 | 4 | Howley W Nicholas — Director | Option exercise (M): 10,132 @ $66.47 · Sale (S): 112 @ $1,305.19 · Sale (S): 97 @ $1,308.05 · Sale (S): 115 @ $1,308.92 · Sale (S): 160 @ $1,310.45 · Sale (S): 964 @ $1,314.60 · +18 more | EDGAR |
| 2026-06-22 | 4 | Howley W Nicholas — Director | Option exercise (M): 10,132 @ $66.47 · Sale (S): 112 @ $1,305.19 · Sale (S): 97 @ $1,308.05 · Sale (S): 115 @ $1,308.92 · Sale (S): 160 @ $1,310.45 · Sale (S): 964 @ $1,314.60 · +18 more | EDGAR |
| 2026-06-22 | 4 | Howley W Nicholas — Director | Option exercise (M): 10,132 @ $66.47 · Sale (S): 112 @ $1,305.19 · Sale (S): 97 @ $1,308.05 · Sale (S): 115 @ $1,308.92 · Sale (S): 160 @ $1,310.45 · Sale (S): 964 @ $1,314.60 · +18 more | EDGAR |
| 2026-06-16 | 4 | Reiss Joel — Co-Chief Operating Officer | Option exercise (M): 3,900 @ $284.97 · Sale (S): 32 @ $1,268.87 · Sale (S): 58 @ $1,270.02 · Sale (S): 146 @ $1,271.29 · Sale (S): 174 @ $1,272.38 · Sale (S): 300 @ $1,273.33 · +14 more | EDGAR |
| 2026-05-19 | 4 | Howley W Nicholas — Director | Option exercise (M): 10,132 @ $66.47 · Sale (S): 40 @ $1,145.16 · Sale (S): 60 @ $1,146.42 · Sale (S): 80 @ $1,150.17 · Sale (S): 80 @ $1,160 · Sale (S): 50 @ $1,162.94 · +21 more | EDGAR |
| 2026-05-18 | 4 | Reiss Joel — Co-Chief Operating Officer | Option exercise (M): 3,900 @ $284.97 · Sale (S): 71 @ $1,144.43 · Sale (S): 259 @ $1,145.37 · Sale (S): 120 @ $1,146.17 · Sale (S): 462 @ $1,147.52 · Sale (S): 775 @ $1,148.25 · +23 more | EDGAR |
| 2026-04-21 | 4 | Howley W Nicholas — Director | Option exercise (M): 9,789 @ $50.92 · Option exercise (M): 343 @ $66.47 · Sale (S): 60 @ $1,260.34 · Sale (S): 1,035 @ $1,261.64 · Sale (S): 3,077 @ $1,262.66 · Sale (S): 589 @ $1,263.81 · +9 more | EDGAR |
| 2026-04-16 | 4 | Reiss Joel — Co-Chief Operating Officer | Option exercise (M): 3,900 @ $284.97 · Sale (S): 233 @ $1,274.57 · Sale (S): 120 @ $1,275.19 · Sale (S): 383 @ $1,276.49 · Sale (S): 203 @ $1,277.23 · Sale (S): 390 @ $1,278.41 · +13 more | EDGAR |
| 2026-03-23 | 4 | Palmer Peter — Director | Grant/award (A): 30 @ $1,214.66 | EDGAR |
| 2026-03-23 | 4 | CRONIN JANE M. — Director | Grant/award (A): 30 @ $1,214.66 | EDGAR |
| 2026-03-23 | 4 | Santana Michele — Director | Grant/award (A): 30 @ $1,214.66 | EDGAR |
| 2026-03-23 | 4 | Graff Michael — Director | Grant/award (A): 30 @ $1,214.66 | EDGAR |
| 2026-03-23 | 4 | Howley W Nicholas — Director | Grant/award (A): 113 @ $1,214.66 | EDGAR |
| 2026-03-23 | 4 | BARR DAVID — Director | Grant/award (A): 41 @ $1,214.66 | EDGAR |
| 2026-03-23 | 4 | HENNESSY SEAN P — Director | Grant/award (A): 41 @ $1,214.66 | EDGAR |
| 2026-03-23 | 4 | MCCULLOUGH GARY E — Director | Grant/award (A): 37 @ $1,214.66 | EDGAR |
| 2026-03-19 | 4 | Howley W Nicholas — Director | Option exercise (M): 10,132 @ $50.92 · Sale (S): 202 @ $1,205.42 · Sale (S): 507 @ $1,206.05 · Sale (S): 91 @ $1,207.38 · Sale (S): 324 @ $1,208.56 · Sale (S): 1,246 @ $1,209.52 · +19 more | EDGAR |
| 2026-03-17 | 4 | Reiss Joel — Co-Chief Operating Officer | Option exercise (M): 3,900 @ $284.97 · Sale (S): 20 @ $1,222.87 · Sale (S): 70 @ $1,231.69 · Sale (S): 60 @ $1,232.57 · Sale (S): 50 @ $1,233.62 · Sale (S): 40 @ $1,235.12 · +15 more | EDGAR |
| 2026-02-27 | 4 | SMALL ROBERT J — Director | Purchase (P): 1 @ $1,285 | EDGAR |
| 2026-02-25 | 4 | Murphy Patrick Joseph — Co-Chief Operating Officer | Option exercise (M): 1,160 @ $269.42 · Option exercise (M): 300 @ $347.17 · Option exercise (M): 1,160 (derivative) @ $0 · Option exercise (M): 300 (derivative) @ $0 | EDGAR |
| 2026-02-20 | 4 | Howley W Nicholas — Director | Option exercise (M): 10,168 @ $50.92 · Sale (S): 920 @ $1,299.31 · Sale (S): 30 @ $1,300.32 · Sale (S): 190 @ $1,301.09 · Sale (S): 201 @ $1,302.42 · Sale (S): 560 @ $1,303.64 · +9 more | EDGAR |
| 2026-02-18 | 4 | Reiss Joel — Co-Chief Operating Officer | Option exercise (M): 3,900 @ $284.97 · Sale (S): 27 @ $1,279.68 · Sale (S): 113 @ $1,280.72 · Sale (S): 99 @ $1,282.44 · Sale (S): 71 @ $1,283.22 · Sale (S): 120 @ $1,284.71 · +19 more | EDGAR |
| 2026-02-09 | 4 | Lisman Michael — President & CEO, Director | Purchase (P): 950 @ $1,284.26 | EDGAR |
| 2026-02-06 | 4 | Wynne Sarah — Chief Financial Officer | Option exercise (M): 1,494 @ $559.78 · Option exercise (M): 1,494 (derivative) @ $0 | EDGAR |
| 2026-02-03 | 4 | Stein Kevin M — Director | Sale (S): 1,421 @ $1,431.46 · Sale (S): 1,364 @ $1,432.53 · Sale (S): 3,093 @ $1,433.46 · Sale (S): 1,462 @ $1,434.63 · Sale (S): 810 @ $1,435.63 · Sale (S): 1,497 @ $1,436.43 · +4 more | EDGAR |
| 2026-02-03 | 4 | Stein Kevin M — Director | Option exercise (M): 25,000 @ $341.28 · Option exercise (M): 23,000 @ $342.31 · Sale (S): 40 @ $1,404.68 · Sale (S): 218 @ $1,407.76 · Sale (S): 2 @ $1,409.71 · Sale (S): 6 @ $1,410.98 · +20 more | EDGAR |
| 2026-02-03 | 4 | Murphy Patrick Joseph — Co-Chief Operating Officer | Option exercise (M): 290 @ $269.42 · Sale (S): 290 @ $1,430.10 · Option exercise (M): 290 (derivative) @ $0 | EDGAR |
| 2026-01-16 | 4 | Reiss Joel — Co-Chief Operating Officer | Option exercise (M): 3,900 @ $284.97 · Sale (S): 44 @ $1,420.38 · Sale (S): 67 @ $1,421.89 · Sale (S): 95 @ $1,422.63 · Sale (S): 128 @ $1,423.80 · Sale (S): 90 @ $1,425.10 · +14 more | EDGAR |
| 2026-01-16 | 4 | Stein Kevin M — Director | Option exercise (M): 7,627 @ $342.31 · Sale (S): 2,141 @ $1,405.64 · Sale (S): 3,964 @ $1,406.41 · Sale (S): 1,522 @ $1,407.34 · Option exercise (M): 7,627 (derivative) @ $0 | EDGAR |
| 2026-01-09 | 4 | Stein Kevin M — Director | Option exercise (M): 17,373 @ $342.31 · Sale (S): 6,384 @ $1,405.30 · Sale (S): 1,278 @ $1,406.72 · Sale (S): 2,722 @ $1,407.46 · Sale (S): 5,239 @ $1,408.44 · Sale (S): 480 @ $1,409.57 · +3 more | EDGAR |
| 2026-01-06 | 4 | Stein Kevin M — Director | Option exercise (M): 17,940 @ $105.88 · Option exercise (M): 7,060 @ $341.28 · Sale (S): 560 @ $1,361.59 · Sale (S): 20 @ $1,363.08 · Sale (S): 160 @ $1,364.57 · Sale (S): 255 @ $1,367.18 · +19 more | EDGAR |
| 2026-01-05 | 4 | Murphy Patrick Joseph — Co-Chief Operating Officer | Option exercise (M): 290 @ $269.42 · Sale (S): 290 @ $1,329.03 · Option exercise (M): 290 (derivative) @ $0 | EDGAR |
Recent 8-K events — TransDigm Group INC
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-21 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-09-14 | 8-K | 7.01 — Regulation FD Disclosure | EDGAR |
| 2026-09-14 | 8-K | 7.01 — Regulation FD Disclosure | EDGAR |
| 2026-09-14 | 8-K | 7.01 — Regulation FD Disclosure | EDGAR |
| 2026-08-04 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-27 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-24 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-07-13 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-05-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-17 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 9.01 — Financial Statements and Exhibits | EDGAR |
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