Joel Reiss, Co-Chief Operating Officer at TransDigm Group INC (TDG), sold 3,900 shares at $1232.82 ($4.8M) on 2026-08-17, disclosed to the SEC on 2026-08-18.
Seasonal sale ($4.8M) by Co-Chief Operating Officer — this insider has traded TDG in August in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $1232.82 | 140 | $173K | 3.6% |
| 2 | $1233.87 | 260 | $321K | 6.6% |
| 3 | $1234.93 | 327 | $404K | 8.4% |
| 4 | $1235.86 | 373 | $461K | 9.5% |
| 5 | $1236.80 | 671 | $830K | 17.2% |
| 6 | $1237.87 | 499 |
| $618K |
| 12.8% |
| 7 | $1238.84 | 340 | $421K | 8.7% |
| 8 | $1239.99 | 400 | $496K | 10.3% |
| 9 | $1240.78 | 120 | $149K | 3.1% |
| 10 | $1242.28 | 112 | $139K | 2.9% |
| 11 | $1243.03 | 138 | $172K | 3.6% |
| 12 | $1243.91 | 100 | $124K | 2.6% |
| 13 | $1245.29 | 145 | $181K | 3.7% |
| 14 | $1245.90 | 37 | $46K | 1.0% |
| 15 | $1247.31 | 48 | $60K | 1.2% |
| 16 | $1248.26 | 60 | $75K | 1.6% |
| 17 | $1250.82 | 20 | $25K | 0.5% |
| 18 | $1252.11 | 80 | $100K | 2.1% |
| 19 | $1253.08 | 30 | $38K | 0.8% |
| Total | $1238.76 avg | 3,900 | $4.8M | 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 → |