TDG
IndustrialsTransDigm Group Incorporated
$1221.26-4.43 (-0.36%)
Prev Close
$1225.95
Open
$1234.61
High
$1251.56
Low
$1208.49
Volume
332.9K
Market Cap
$69.23B
P/E
39.27
Div Yield
0.07%
Over the past 12 months, insider activity at TransDigm Group Incorporated (TDG) has been dominated by selling, with 3 insider purchases totaling $3.84M and 53 insider sales totaling $803.66M. The most recent insider transaction was by SMALL ROBERT J (director), who purchased $1.3K worth of shares on Feb 27, 2026. TransDigm Group Incorporated operates in the Industrials sector, within the Aerospace & Defense industry, with a market cap of $69.23B.
Buys (12M)
3
$3.84M
Sells (12M)
53
$803.66M
Net Activity
Net Seller
$799.82M
Active Insiders
12
last 12 mo
TDG Price Chart
TDG Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Feb 27, 2026↗ | SMALL ROBERT J | director | Buy | 1 | $1285.00 | $1.3K | 366,142 |
| Feb 20, 2026↗ | Howley W Nicholas | director | Sell | 10,168 | $1307.68 | $13.30M | 30,795.5 |
| Feb 18, 2026↗ | Howley W Nicholas | Director | Sell | 10,168 | $1307.68 | $13.30M | 0 |
| Feb 18, 2026↗ | Reiss Joel | officer: Co-Chief Operating Officer | Sell | 3,640 | $1294.28 | $4.71M | 7,473 |
| Feb 17, 2026↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,900 | $1293.88 | $5.05M | 0 |
| Feb 9, 2026↗ | Lisman Michael | director, officer: President & CEO | Buy | 950 | $1284.26 | $1.22M | 3,259 |
| Feb 3, 2026↗ | Murphy Patrick Joseph | officer: Co-Chief Operating Officer | Sell | 580 | $1430.10 | $829.5K | 1,055 |
| Feb 3, 2026↗ | Stein Kevin M | Director | Sell | 95,998 | $1427.79 | $137.06M | 56,118 |
| Jan 16, 2026↗ | Reiss Joel | officer: Co-Chief Operating Officer | Sell | 7,800 | $1429.92 | $11.15M | 7,456 |
| Jan 16, 2026↗ | Stein Kevin M | Director | Sell | 15,254 | $1406.38 | $21.45M | 13,644 |
| Jan 9, 2026↗ | Stein Kevin M | Director | Sell | 34,746 | $1407.25 | $48.90M | 19,147 |
| Jan 6, 2026↗ | Stein Kevin M | Director | Sell | 50,000 | $1373.59 | $68.68M | 32,598 |
| Jan 5, 2026↗ | Murphy Patrick Joseph | officer: Co-Chief Operating Officer | Sell | 580 | $1329.03 | $770.8K | 1,055 |
| Dec 16, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,900 | $1290.52 | $5.03M | 0 |
| Dec 11, 2025↗ | SMALL ROBERT J | Director | Sell | 4,700 | $1290.19 | $6.06M | 0 |
| Dec 9, 2025↗ | SMALL ROBERT J | Director | Sell | 90,953 | $1335.72 | $121.49M | 0 |
| Dec 5, 2025↗ | Stein Kevin M | Director | Sell | 17,526 | $1362.28 | $23.88M | 0 |
| Dec 2, 2025↗ | Murphy Patrick Joseph | Co-Chief Operating Officer | Sell | 290 | $1351.06 | $391.8K | 0 |
| Dec 1, 2025↗ | Stein Kevin M | Director | Sell | 4,592 | $1360.73 | $6.25M | 0 |
| Nov 26, 2025↗ | Stein Kevin M | Director | Sell | 4,217 | $1360.57 | $5.74M | 0 |
| Nov 24, 2025↗ | Stein Kevin M | Director | Sell | 230 | $1360.31 | $312.9K | 0 |
| Nov 21, 2025↗ | Stein Kevin M | Director | Sell | 1,104 | $1360.89 | $1.50M | 0 |
| Nov 19, 2025↗ | Stein Kevin M | Director | Sell | 7,191 | $1361.57 | $9.79M | 0 |
| Nov 18, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,900 | $1340.00 | $5.23M | 0 |
| Nov 17, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1334.92 | $3.65M | 0 |
| Nov 17, 2025↗ | Lisman Michael | President & CEO | Buy | 1,954 | $1339.14 | $2.62M | 0 |
| Nov 4, 2025↗ | Murphy Patrick Joseph | Co-Chief Operating Officer | Sell | 290 | $1310.00 | $379.9K | 0 |
| Oct 28, 2025↗ | Murphy Patrick Joseph | Co-Chief Operating Officer | Sell | 580 | $1354.76 | $785.8K | 0 |
| Oct 28, 2025↗ | Stein Kevin M | Director | Sell | 700 | $1360.00 | $952.0K | 0 |
| Oct 21, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1279.59 | $3.84M | 0 |
| Oct 15, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1298.87 | $3.55M | 0 |
| Sep 24, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1276.07 | $3.83M | 0 |
| Sep 16, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1282.47 | $3.51M | 0 |
| Sep 16, 2025↗ | SMALL ROBERT J | Director | Sell | 5,000 | $1276.98 | $6.38M | 0 |
| Aug 27, 2025↗ | Graff Michael | Director | Sell | 1,760 | $1402.10 | $2.47M | 0 |
| Aug 20, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1406.07 | $4.22M | 0 |
| Aug 18, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1397.22 | $3.82M | 0 |
| Jul 22, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1597.86 | $4.79M | 0 |
| Jul 15, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1569.86 | $4.30M | 0 |
| Jun 20, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1424.27 | $4.27M | 0 |
| Jun 18, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1444.09 | $3.95M | 0 |
| Jun 13, 2025↗ | Wynne Sarah | Chief Financial Officer | Sell | 1,800 | $1450.00 | $2.61M | 0 |
| Jun 12, 2025↗ | SMALL ROBERT J | Director | Sell | 45,700 | $1425.01 | $65.12M | 0 |
| Jun 12, 2025↗ | Wynne Sarah | Chief Financial Officer | Sell | 3,200 | $1452.14 | $4.65M | 0 |
| May 20, 2025↗ | HENNESSY SEAN P | Director | Sell | 4,700 | $1436.52 | $6.75M | 0 |
| May 20, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1434.35 | $4.30M | 0 |
| May 16, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1395.63 | $3.82M | 0 |
| May 14, 2025↗ | Valladares III Jorge L. | Director | Sell | 10,000 | $1419.91 | $14.20M | 0 |
| May 13, 2025↗ | Warren Jessica L | GC, CCO, Secretary | Sell | 490 | $1425.00 | $698.3K | 0 |
| May 5, 2025↗ | Howley W Nicholas | Director | Sell | 49,241 | $1475.85 | $72.67M | 0 |
| Apr 21, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,300 | $1321.80 | $4.36M | 0 |
| Apr 15, 2025↗ | Howley W Nicholas | Director | Sell | 5,472 | $1346.30 | $7.37M | 0 |
| Apr 15, 2025↗ | Stein Kevin M | President & CEO | Sell | 20,000 | $1329.61 | $26.59M | 0 |
| Mar 21, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1360.04 | $4.08M | 0 |
| Mar 19, 2025↗ | Howley W Nicholas | Director | Sell | 5,472 | $1354.60 | $7.41M | 0 |
| Mar 17, 2025↗ | SMALL ROBERT J | Director | Sell | 10,034 | $1340.53 | $13.45M | 0 |
| Mar 12, 2025↗ | Stein Kevin M | President & CEO | Sell | 20,000 | $1314.47 | $26.29M | 0 |
| Mar 10, 2025↗ | SMALL ROBERT J | Director | Sell | 80,000 | $1342.63 | $107.41M | 0 |
| Mar 4, 2025↗ | Warren Jessica L | GC, CCO, Secretary | Sell | 275 | $1376.32 | $378.5K | 0 |
| Feb 25, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1323.02 | $3.97M | 0 |
| Feb 20, 2025↗ | Howley W Nicholas | Director | Sell | 5,472 | $1315.93 | $7.20M | 0 |
| Feb 18, 2025↗ | SMALL ROBERT J | Director | Sell | 3,650 | $1322.19 | $4.83M | 0 |
| Feb 13, 2025↗ | Stein Kevin M | President & CEO | Sell | 20,000 | $1354.09 | $27.08M | 0 |
TDG Insider Buying Activity
The following table shows recent insider purchases of TransDigm Group Incorporated (TDG) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Feb 27, 2026↗ | SMALL ROBERT J | director | Buy | 1 | $1285.00 | $1.3K | 366,142 |
| Feb 9, 2026↗ | Lisman Michael | director, officer: President & CEO | Buy | 950 | $1284.26 | $1.22M | 3,259 |
| Nov 17, 2025↗ | Lisman Michael | President & CEO | Buy | 1,954 | $1339.14 | $2.62M | 0 |
TDG Insider Selling Activity
The following table shows recent insider sales of TransDigm Group Incorporated (TDG) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Feb 20, 2026↗ | Howley W Nicholas | director | Sell | 10,168 | $1307.68 | $13.30M | 30,795.5 |
| Feb 18, 2026↗ | Howley W Nicholas | Director | Sell | 10,168 | $1307.68 | $13.30M | 0 |
| Feb 18, 2026↗ | Reiss Joel | officer: Co-Chief Operating Officer | Sell | 3,640 | $1294.28 | $4.71M | 7,473 |
| Feb 17, 2026↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,900 | $1293.88 | $5.05M | 0 |
| Feb 3, 2026↗ | Murphy Patrick Joseph | officer: Co-Chief Operating Officer | Sell | 580 | $1430.10 | $829.5K | 1,055 |
| Feb 3, 2026↗ | Stein Kevin M | Director | Sell | 95,998 | $1427.79 | $137.06M | 56,118 |
| Jan 16, 2026↗ | Reiss Joel | officer: Co-Chief Operating Officer | Sell | 7,800 | $1429.92 | $11.15M | 7,456 |
| Jan 16, 2026↗ | Stein Kevin M | Director | Sell | 15,254 | $1406.38 | $21.45M | 13,644 |
| Jan 9, 2026↗ | Stein Kevin M | Director | Sell | 34,746 | $1407.25 | $48.90M | 19,147 |
| Jan 6, 2026↗ | Stein Kevin M | Director | Sell | 50,000 | $1373.59 | $68.68M | 32,598 |
| Jan 5, 2026↗ | Murphy Patrick Joseph | officer: Co-Chief Operating Officer | Sell | 580 | $1329.03 | $770.8K | 1,055 |
| Dec 16, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,900 | $1290.52 | $5.03M | 0 |
| Dec 11, 2025↗ | SMALL ROBERT J | Director | Sell | 4,700 | $1290.19 | $6.06M | 0 |
| Dec 9, 2025↗ | SMALL ROBERT J | Director | Sell | 90,953 | $1335.72 | $121.49M | 0 |
| Dec 5, 2025↗ | Stein Kevin M | Director | Sell | 17,526 | $1362.28 | $23.88M | 0 |
| Dec 2, 2025↗ | Murphy Patrick Joseph | Co-Chief Operating Officer | Sell | 290 | $1351.06 | $391.8K | 0 |
| Dec 1, 2025↗ | Stein Kevin M | Director | Sell | 4,592 | $1360.73 | $6.25M | 0 |
| Nov 26, 2025↗ | Stein Kevin M | Director | Sell | 4,217 | $1360.57 | $5.74M | 0 |
| Nov 24, 2025↗ | Stein Kevin M | Director | Sell | 230 | $1360.31 | $312.9K | 0 |
| Nov 21, 2025↗ | Stein Kevin M | Director | Sell | 1,104 | $1360.89 | $1.50M | 0 |
| Nov 19, 2025↗ | Stein Kevin M | Director | Sell | 7,191 | $1361.57 | $9.79M | 0 |
| Nov 18, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,900 | $1340.00 | $5.23M | 0 |
| Nov 17, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1334.92 | $3.65M | 0 |
| Nov 4, 2025↗ | Murphy Patrick Joseph | Co-Chief Operating Officer | Sell | 290 | $1310.00 | $379.9K | 0 |
| Oct 28, 2025↗ | Murphy Patrick Joseph | Co-Chief Operating Officer | Sell | 580 | $1354.76 | $785.8K | 0 |
| Oct 28, 2025↗ | Stein Kevin M | Director | Sell | 700 | $1360.00 | $952.0K | 0 |
| Oct 21, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1279.59 | $3.84M | 0 |
| Oct 15, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1298.87 | $3.55M | 0 |
| Sep 24, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1276.07 | $3.83M | 0 |
| Sep 16, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1282.47 | $3.51M | 0 |
| Sep 16, 2025↗ | SMALL ROBERT J | Director | Sell | 5,000 | $1276.98 | $6.38M | 0 |
| Aug 27, 2025↗ | Graff Michael | Director | Sell | 1,760 | $1402.10 | $2.47M | 0 |
| Aug 20, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1406.07 | $4.22M | 0 |
| Aug 18, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1397.22 | $3.82M | 0 |
| Jul 22, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1597.86 | $4.79M | 0 |
| Jul 15, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1569.86 | $4.30M | 0 |
| Jun 20, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1424.27 | $4.27M | 0 |
| Jun 18, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1444.09 | $3.95M | 0 |
| Jun 13, 2025↗ | Wynne Sarah | Chief Financial Officer | Sell | 1,800 | $1450.00 | $2.61M | 0 |
| Jun 12, 2025↗ | SMALL ROBERT J | Director | Sell | 45,700 | $1425.01 | $65.12M | 0 |
| Jun 12, 2025↗ | Wynne Sarah | Chief Financial Officer | Sell | 3,200 | $1452.14 | $4.65M | 0 |
| May 20, 2025↗ | HENNESSY SEAN P | Director | Sell | 4,700 | $1436.52 | $6.75M | 0 |
| May 20, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1434.35 | $4.30M | 0 |
| May 16, 2025↗ | Howley W Nicholas | Director | Sell | 2,736 | $1395.63 | $3.82M | 0 |
| May 14, 2025↗ | Valladares III Jorge L. | Director | Sell | 10,000 | $1419.91 | $14.20M | 0 |
| May 13, 2025↗ | Warren Jessica L | GC, CCO, Secretary | Sell | 490 | $1425.00 | $698.3K | 0 |
| May 5, 2025↗ | Howley W Nicholas | Director | Sell | 49,241 | $1475.85 | $72.67M | 0 |
| Apr 21, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,300 | $1321.80 | $4.36M | 0 |
| Apr 15, 2025↗ | Howley W Nicholas | Director | Sell | 5,472 | $1346.30 | $7.37M | 0 |
| Apr 15, 2025↗ | Stein Kevin M | President & CEO | Sell | 20,000 | $1329.61 | $26.59M | 0 |
| Mar 21, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1360.04 | $4.08M | 0 |
| Mar 19, 2025↗ | Howley W Nicholas | Director | Sell | 5,472 | $1354.60 | $7.41M | 0 |
| Mar 17, 2025↗ | SMALL ROBERT J | Director | Sell | 10,034 | $1340.53 | $13.45M | 0 |
| Mar 12, 2025↗ | Stein Kevin M | President & CEO | Sell | 20,000 | $1314.47 | $26.29M | 0 |
| Mar 10, 2025↗ | SMALL ROBERT J | Director | Sell | 80,000 | $1342.63 | $107.41M | 0 |
| Mar 4, 2025↗ | Warren Jessica L | GC, CCO, Secretary | Sell | 275 | $1376.32 | $378.5K | 0 |
| Feb 25, 2025↗ | Reiss Joel | Co-Chief Operating Officer | Sell | 3,000 | $1323.02 | $3.97M | 0 |
| Feb 20, 2025↗ | Howley W Nicholas | Director | Sell | 5,472 | $1315.93 | $7.20M | 0 |
| Feb 18, 2025↗ | SMALL ROBERT J | Director | Sell | 3,650 | $1322.19 | $4.83M | 0 |
| Feb 13, 2025↗ | Stein Kevin M | President & CEO | Sell | 20,000 | $1354.09 | $27.08M | 0 |
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