TDG.NYSETransdigm Group INC
Form 4: TransDigm Group COO Sells Shares
Sentiment:
Insider Transaction (Form 4)
Joel Reiss, Co-Chief Operating Officer of TransDigm Group INC, sold 3,900 shares of common stock on August 17, 2026.
Summary
- Option exercise/conversion: acquired 3,900 Common Stock at $284.97 ($1,111,383) on August 17, 2026; holds 7,500 after (Direct).
- Open-market sale: disposed of 140 Common Stock at $1,232.82 ($172,594) on August 17, 2026; holds 7,360 after (Direct).
- Open-market sale: disposed of 260 Common Stock at $1,233.87 ($320,806) on August 17, 2026; holds 7,100 after (Direct).
- Open-market sale: disposed of 327 Common Stock at $1,234.93 ($403,821) on August 17, 2026; holds 6,773 after (Direct).
- Open-market sale: disposed of 373 Common Stock at $1,235.86 ($460,975) on August 17, 2026; holds 6,400 after (Direct).
- Open-market sale: disposed of 671 Common Stock at $1,236.80 ($829,892) on August 17, 2026; holds 5,729 after (Direct).
- Open-market sale: disposed of 499 Common Stock at $1,237.87 ($617,696) on August 17, 2026; holds 5,230 after (Direct).
- Open-market sale: disposed of 340 Common Stock at $1,238.84 ($421,204) on August 17, 2026; holds 4,890 after (Direct).
- Open-market sale: disposed of 400 Common Stock at $1,239.99 ($495,997) on August 17, 2026; holds 4,490 after (Direct).
- Open-market sale: disposed of 120 Common Stock at $1,240.78 ($148,893) on August 17, 2026; holds 4,370 after (Direct).
- Open-market sale: disposed of 112 Common Stock at $1,242.28 ($139,136) on August 17, 2026; holds 4,258 after (Direct).
- Open-market sale: disposed of 138 Common Stock at $1,243.03 ($171,538) on August 17, 2026; holds 4,120 after (Direct).
- Open-market sale: disposed of 100 Common Stock at $1,243.91 ($124,391) on August 17, 2026; holds 4,020 after (Direct).
- Open-market sale: disposed of 145 Common Stock at $1,245.29 ($180,566) on August 17, 2026; holds 3,875 after (Direct).
- Open-market sale: disposed of 37 Common Stock at $1,245.90 ($46,098) on August 17, 2026; holds 3,838 after (Direct).
- Open-market sale: disposed of 48 Common Stock at $1,247.31 ($59,871) on August 17, 2026; holds 3,790 after (Direct).
- Open-market sale: disposed of 60 Common Stock at $1,248.26 ($74,896) on August 17, 2026; holds 3,730 after (Direct).
- Open-market sale: disposed of 20 Common Stock at $1,250.82 ($25,016) on August 17, 2026; holds 3,710 after (Direct).
- Open-market sale: disposed of 80 Common Stock at $1,252.11 ($100,169) on August 17, 2026; holds 3,630 after (Direct).
- Open-market sale: disposed of 30 Common Stock at $1,253.08 ($37,592) on August 17, 2026; holds 3,600 after (Direct).
- Option exercise/conversion: disposed of 3,900 Stock Option on August 17, 2026; holds 8,000 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $4,831,152 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Joel Reiss — Officer (Co-Chief Operating Officer)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-17 | Option exercise/conversion | Common Stock | 3,900 | $285 | $1.1M | 7,500 |
| 2026-08-17 | Open-market sale | Common Stock | 140 | $1.2K | $172.6K | 7,360 |
| 2026-08-17 | Open-market sale | Common Stock | 260 | $1.2K | $320.8K | 7,100 |
| 2026-08-17 | Open-market sale | Common Stock | 327 | $1.2K | $403.8K | 6,773 |
| 2026-08-17 | Open-market sale | Common Stock | 373 | $1.2K | $461.0K | 6,400 |
| 2026-08-17 | Open-market sale | Common Stock | 671 | $1.2K | $829.9K | 5,729 |
| 2026-08-17 | Open-market sale | Common Stock | 499 | $1.2K | $617.7K | 5,230 |
| 2026-08-17 | Open-market sale | Common Stock | 340 | $1.2K | $421.2K | 4,890 |
| 2026-08-17 | Open-market sale | Common Stock | 400 | $1.2K | $496.0K | 4,490 |
| 2026-08-17 | Open-market sale | Common Stock | 120 | $1.2K | $148.9K | 4,370 |
| 2026-08-17 | Open-market sale | Common Stock | 112 | $1.2K | $139.1K | 4,258 |
| 2026-08-17 | Open-market sale | Common Stock | 138 | $1.2K | $171.5K | 4,120 |
| 2026-08-17 | Open-market sale | Common Stock | 100 | $1.2K | $124.4K | 4,020 |
| 2026-08-17 | Open-market sale | Common Stock | 145 | $1.2K | $180.6K | 3,875 |
| 2026-08-17 | Open-market sale | Common Stock | 37 | $1.2K | $46.1K | 3,838 |
| 2026-08-17 | Open-market sale | Common Stock | 48 | $1.2K | $59.9K | 3,790 |
| 2026-08-17 | Open-market sale | Common Stock | 60 | $1.2K | $74.9K | 3,730 |
| 2026-08-17 | Open-market sale | Common Stock | 20 | $1.3K | $25.0K | 3,710 |
| 2026-08-17 | Open-market sale | Common Stock | 80 | $1.3K | $100.2K | 3,630 |
| 2026-08-17 | Open-market sale | Common Stock | 30 | $1.3K | $37.6K | 3,600 |
| 2026-08-17 | Option exercise/conversion | Stock Option | 3,900 | — | — | 8,000 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-17 | Option exercise/conversion (3,900 shares) |
| 2026-08-17 | Open-market sale (140 shares) |
| 2026-08-17 | Open-market sale (260 shares) |
| 2026-08-17 | Open-market sale (327 shares) |
| 2026-08-17 | Open-market sale (373 shares) |
| 2026-08-17 | Open-market sale (671 shares) |
| 2026-08-17 | Open-market sale (499 shares) |
| 2026-08-17 | Open-market sale (340 shares) |
| 2026-08-17 | Open-market sale (400 shares) |
| 2026-08-17 | Open-market sale (120 shares) |
| 2026-08-17 | Open-market sale (112 shares) |
| 2026-08-17 | Open-market sale (138 shares) |
| 2026-08-17 | Open-market sale (100 shares) |
| 2026-08-17 | Open-market sale (145 shares) |
| 2026-08-17 | Open-market sale (37 shares) |
| 2026-08-17 | Open-market sale (48 shares) |
| 2026-08-17 | Open-market sale (60 shares) |
| 2026-08-17 | Open-market sale (20 shares) |
| 2026-08-17 | Open-market sale (80 shares) |
| 2026-08-17 | Open-market sale (30 shares) |
| 2026-08-17 | Option exercise/conversion (3,900 shares) |
Keywords
insider transaction, Form 4, TDG, TransDigm Group INC, bearish, Joel Reiss
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