TransDigm Group INC (TDG) insider trading.
In Q3 2026, insiders at TransDigm Group INC reported 121 non-derivative transactions on 19 Forms 3, 4 and 5: 0 open-market purchases and 105 sales worth $38.7M.
- Transactions
- 121
- Purchases (P)
- 0
- Sales (S)
- 105
- Net shares, P minus S
- -31,964
- Insiders
- 11
- Last filed
- 2026-09-22
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Reiss Joel | Officer · Co-Chief Operating Officer | 82 | 0 | 79 |
| Howley W Nicholas | Director | 29 | 0 | 26 |
| Small Robert J | Director | 2 | 0 | 0 |
| Mccullough Gary E | Director | 1 | 0 | 0 |
| Hennessy Sean P | Director | 1 | 0 | 0 |
| Barr David | Director | 1 | 0 | 0 |
| Graff Michael | Director | 1 | 0 | 0 |
| Palmer Peter | Director | 1 | 0 | 0 |
| Santana Michele | Director | 1 | 0 | 0 |
| Cronin Jane M. | Director | 1 | 0 | 0 |
| Krasik Irina Igorevna | Director | 1 | 0 | 0 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-18 | Small Robert J | J (A) | 0 | $0 | 5,677 | Form 4/A |
| 2026-09-18 | Mccullough Gary E | A (A) | 41 | $1,085 | 993 | Form 4 |
| 2026-09-18 | Hennessy Sean P | A (A) | 46 | $1,085 | 33,836 | Form 4 |
| 2026-09-18 | Small Robert J | A (A) | 52 | $1,085 | 5,677 | Form 4 |
| 2026-09-18 | Barr David | A (A) | 46 | $1,085 | 32,225 | Form 4 |
| 2026-09-18 | Graff Michael | A (A) | 34 | $1,085 | 1,717 | Form 4 |
| 2026-09-18 | Howley W Nicholas | A (A) | 126 | $1,085 | 239 | Form 4 |
| 2026-09-18 | Palmer Peter | A (A) | 34 | $1,085 | 4,064 | Form 4 |
| 2026-09-18 | Santana Michele | A (A) | 34 | $1,085 | 805 | Form 4 |
| 2026-09-18 | Cronin Jane M. | A (A) | 34 | $1,085 | 734 | Form 4 |
| 2026-09-18 | Krasik Irina Igorevna | A (A) | 13 | $1,085 | 13 | Form 4 |
| 2026-09-15 | Reiss Joel | M (A) | 3,900 | $284.97 | 7,500 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 310 | $1,082.96 | 7,190 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 170 | $1,083.67 | 7,020 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 240 | $1,084.87 | 6,780 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 110 | $1,086.27 | 6,670 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 120 | $1,087.49 | 6,550 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 10 | $1,088.06 | 6,540 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 70 | $1,090.06 | 6,470 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 100 | $1,091 | 6,370 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 170 | $1,092.13 | 6,200 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 282 | $1,093.1 | 5,918 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 383 | $1,094.06 | 5,535 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 225 | $1,095.11 | 5,310 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 196 | $1,096.17 | 5,114 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 294 | $1,097.26 | 4,820 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 150 | $1,098.41 | 4,670 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 90 | $1,099.14 | 4,580 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 60 | $1,100.41 | 4,520 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 166 | $1,101.52 | 4,354 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 274 | $1,102.49 | 4,080 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 210 | $1,103.44 | 3,870 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 125 | $1,104.58 | 3,745 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 5 | $1,105.28 | 3,740 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 40 | $1,106.69 | 3,700 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 30 | $1,108.34 | 3,670 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 30 | $1,112.38 | 3,640 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 20 | $1,113.37 | 3,620 | Form 4 |
| 2026-09-15 | Reiss Joel | S (D) | 20 | $1,119 | 3,600 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 1,055 | $1,232.01 | 28,661 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 450 | $1,233.3 | 28,211 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 270 | $1,234.69 | 27,941 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 140 | $1,236.12 | 27,801 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 250 | $1,236.89 | 27,551 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 520 | $1,238.08 | 27,031 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 3,980 | $1,239.17 | 23,051 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 1,313 | $1,240.42 | 21,738 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 190 | $1,241.14 | 21,548 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 830 | $1,231.12 | 29,716 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 570 | $1,230.02 | 30,546 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 290 | $1,229.09 | 31,116 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 70 | $1,227.62 | 31,406 | Form 4 |
| 2026-08-18 | Howley W Nicholas | S (D) | 204 | $1,225.6 | 31,476 | Form 4 |
| 2026-08-18 | Howley W Nicholas | M (A) | 10,132 | $66.47 | 31,680 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 145 | $1,245.29 | 3,875 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 100 | $1,243.91 | 4,020 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 80 | $1,252.11 | 3,630 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 30 | $1,253.08 | 3,600 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 138 | $1,243.03 | 4,120 | Form 4 |
| 2026-08-17 | Reiss Joel | M (A) | 3,900 | $284.97 | 7,500 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 140 | $1,232.82 | 7,360 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 260 | $1,233.87 | 7,100 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 327 | $1,234.93 | 6,773 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 373 | $1,235.86 | 6,400 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 112 | $1,242.28 | 4,258 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 120 | $1,240.78 | 4,370 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 400 | $1,239.99 | 4,490 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 340 | $1,238.84 | 4,890 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 499 | $1,237.87 | 5,230 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 671 | $1,236.8 | 5,729 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 37 | $1,245.9 | 3,838 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 48 | $1,247.31 | 3,790 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 60 | $1,248.26 | 3,730 | Form 4 |
| 2026-08-17 | Reiss Joel | S (D) | 20 | $1,250.82 | 3,710 | Form 4 |
| 2026-07-20 | Howley W Nicholas | M (A) | 10,132 | $66.47 | 31,680 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 440 | $1,224.14 | 21,548 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 465 | $1,222.32 | 21,988 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 130 | $1,220.57 | 22,453 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 1,243 | $1,219.48 | 22,583 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 1,463 | $1,218.58 | 23,826 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 603 | $1,217.01 | 25,289 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 260 | $1,215.62 | 25,892 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 1,561 | $1,214.74 | 26,152 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 570 | $1,210.32 | 31,110 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 240 | $1,211.46 | 30,870 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 1,720 | $1,212.73 | 29,150 | Form 4 |
| 2026-07-20 | Howley W Nicholas | S (D) | 1,437 | $1,213.88 | 27,713 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 90 | $1,211.5 | 6,534 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 10 | $1,195.2 | 7,490 | Form 4 |
| 2026-07-15 | Reiss Joel | M (A) | 3,900 | $284.97 | 7,500 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 90 | $1,228.79 | 4,014 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 210 | $1,227.82 | 4,104 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 40 | $1,226.98 | 4,314 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 80 | $1,198.8 | 7,340 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 156 | $1,200.14 | 7,184 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 160 | $1,201.32 | 7,024 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 116 | $1,202.44 | 6,908 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 74 | $1,203.8 | 6,834 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 10 | $1,204.6 | 6,824 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 30 | $1,206.69 | 6,794 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 60 | $1,208.51 | 6,734 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 80 | $1,209.2 | 6,654 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 30 | $1,210.31 | 6,624 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 70 | $1,197.85 | 7,420 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 110 | $1,212.59 | 6,424 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 170 | $1,213.73 | 6,254 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 211 | $1,215.13 | 6,043 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 239 | $1,216.22 | 5,804 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 60 | $1,217.25 | 5,744 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 90 | $1,218.22 | 5,654 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 90 | $1,219.3 | 5,564 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 140 | $1,220.5 | 5,424 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 210 | $1,221.53 | 5,214 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 60 | $1,222.6 | 5,154 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 138 | $1,223.51 | 5,016 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 509 | $1,224.62 | 4,507 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 153 | $1,225.62 | 4,354 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 190 | $1,230.06 | 3,824 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 70 | $1,231.09 | 3,754 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 144 | $1,232.34 | 3,610 | Form 4 |
| 2026-07-15 | Reiss Joel | S (D) | 10 | $1,233.38 | 3,600 | Form 4 |
Transaction codes in this quarter
Get TDG insider transactions through the API
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Questions
Are insiders buying or selling TransDigm Group INC (TDG)?
In Q3 2026, insiders at TransDigm Group INC reported 121 non-derivative transactions on 19 Forms 3, 4 and 5: 0 open-market purchases and 105 sales worth $38.7M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these TransDigm Group INC insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.
Plain-text version for agents and LLMs: /insider-trading/tdg.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.