Joel Reiss, Co-Chief Operating Officer at TransDigm Group INC (TDG), sold 3,900 shares at $1082.96 ($4.3M) on 2026-09-15, disclosed to the SEC on 2026-09-16.
Seasonal sale ($4.3M) by Co-Chief Operating Officer — this insider has traded TDG in September in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $1082.96 | 310 | $336K | 7.9% |
| 2 | $1083.67 | 170 | $184K | 4.3% |
| 3 | $1084.87 | 240 | $260K | 6.1% |
| 4 | $1086.27 | 110 | $119K | 2.8% |
| 5 | $1087.49 | 120 | $130K | 3.1% |
| 6 | $1088.06 | 10 |
| $11K |
| 0.3% |
| 7 | $1090.06 | 70 | $76K | 1.8% |
| 8 | $1091.00 | 100 | $109K | 2.6% |
| 9 | $1092.13 | 170 | $186K | 4.3% |
| 10 | $1093.10 | 282 | $308K | 7.2% |
| 11 | $1094.06 | 383 | $419K | 9.8% |
| 12 | $1095.11 | 225 | $246K | 5.8% |
| 13 | $1096.17 | 196 | $215K | 5.0% |
| 14 | $1097.26 | 294 | $323K | 7.6% |
| 15 | $1098.41 | 150 | $165K | 3.9% |
| 16 | $1099.14 | 90 | $99K | 2.3% |
| 17 | $1100.41 | 60 | $66K | 1.5% |
| 18 | $1101.52 | 166 | $183K | 4.3% |
| 19 | $1102.49 | 274 | $302K | 7.1% |
| 20 | $1103.44 | 210 | $232K | 5.4% |
| 21 | $1104.58 | 125 | $138K | 3.2% |
| 22 | $1105.28 | 5 | $6K | 0.1% |
| 23 | $1106.69 | 40 | $44K | 1.0% |
| 24 | $1108.34 | 30 | $33K | 0.8% |
| 25 | $1112.38 | 30 | $33K | 0.8% |
| 26 | $1113.37 | 20 | $22K | 0.5% |
| 27 | $1118.99 | 20 | $22K | 0.5% |
| Total | $1094.58 avg | 3,900 | $4.3M | 100% |
| Filing → |
| TDG | SELL | 2026-07-17 | $4.2M | — | Filing → |
| TDG | SELL | 2026-06-16 | $5.0M | — | Filing → |
| TDG | SELL | 2026-05-18 | $4.5M | — | Filing → |