Joel Reiss, Co-Chief Operating Officer at TransDigm Group INC (TDG), sold 4,100 shares at $1112.27 ($4.6M) on 2026-10-15, disclosed to the SEC on 2026-10-16.
Seasonal sale ($4.6M) by Co-Chief Operating Officer — this insider has traded TDG in October in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $1112.27 | 20 | $22K | 0.5% |
| 2 | $1113.58 | 100 | $111K | 2.4% |
| 3 | $1114.82 | 100 | $111K | 2.4% |
| 4 | $1116.02 | 50 | $56K | 1.2% |
| 5 | $1117.11 | 60 | $67K | 1.4% |
| 6 | $1119.01 | 100 |
| $112K |
| 2.4% |
| 7 | $1120.30 | 30 | $34K | 0.7% |
| 8 | $1121.58 | 60 | $67K | 1.5% |
| 9 | $1123.09 | 131 | $147K | 3.2% |
| 10 | $1124.00 | 306 | $344K | 7.4% |
| 11 | $1125.00 | 600 | $675K | 14.6% |
| 12 | $1125.86 | 278 | $313K | 6.8% |
| 13 | $1127.01 | 305 | $344K | 7.4% |
| 14 | $1127.90 | 120 | $135K | 2.9% |
| 15 | $1129.38 | 150 | $169K | 3.7% |
| 16 | $1130.06 | 100 | $113K | 2.4% |
| 17 | $1131.33 | 130 | $147K | 3.2% |
| 18 | $1132.30 | 210 | $238K | 5.1% |
| 19 | $1133.89 | 317 | $359K | 7.8% |
| 20 | $1135.00 | 495 | $562K | 12.1% |
| 21 | $1135.95 | 438 | $498K | 10.8% |
| Total | $1128.04 avg | 4,100 | $4.6M | 100% |
| Filing → |
| TDG | SELL | 2026-07-17 | $510K | — | Filing → |
| TDG | SELL | 2026-07-17 | $4.2M | — | Filing → |
| TDG | SELL | 2026-06-16 | $5.0M | — | Filing → |