TDG.NYSETransdigm Group INC
Form 4: TransDigm Group Director Sells Shares
Sentiment:
Insider Transaction (Form 4)
W Nicholas Howley, a Director of TransDigm Group INC, sold 10,132 shares of common stock on August 18, 2026.
Summary
- Option exercise/conversion: acquired 10,132 Common Stock at $66.47 ($673,474) on August 18, 2026; holds 31,680 after (Indirect).
- Open-market sale: disposed of 204 Common Stock at $1,225.60 ($250,023) on August 18, 2026; holds 31,476 after (Indirect).
- Open-market sale: disposed of 70 Common Stock at $1,227.62 ($85,934) on August 18, 2026; holds 31,406 after (Indirect).
- Open-market sale: disposed of 290 Common Stock at $1,229.09 ($356,437) on August 18, 2026; holds 31,116 after (Indirect).
- Open-market sale: disposed of 570 Common Stock at $1,230.02 ($701,111) on August 18, 2026; holds 30,546 after (Indirect).
- Open-market sale: disposed of 830 Common Stock at $1,231.12 ($1,021,829) on August 18, 2026; holds 29,716 after (Indirect).
- Open-market sale: disposed of 1,055 Common Stock at $1,232.01 ($1,299,775) on August 18, 2026; holds 28,661 after (Indirect).
- Open-market sale: disposed of 450 Common Stock at $1,233.30 ($554,987) on August 18, 2026; holds 28,211 after (Indirect).
- Open-market sale: disposed of 270 Common Stock at $1,234.69 ($333,366) on August 18, 2026; holds 27,941 after (Indirect).
- Open-market sale: disposed of 140 Common Stock at $1,236.12 ($173,057) on August 18, 2026; holds 27,801 after (Indirect).
- Open-market sale: disposed of 250 Common Stock at $1,236.89 ($309,224) on August 18, 2026; holds 27,551 after (Indirect).
- Open-market sale: disposed of 520 Common Stock at $1,238.08 ($643,803) on August 18, 2026; holds 27,031 after (Indirect).
- Open-market sale: disposed of 3,980 Common Stock at $1,239.17 ($4,931,915) on August 18, 2026; holds 23,051 after (Indirect).
- Open-market sale: disposed of 1,313 Common Stock at $1,240.42 ($1,628,674) on August 18, 2026; holds 21,738 after (Indirect).
- Open-market sale: disposed of 190 Common Stock at $1,241.14 ($235,816) on August 18, 2026; holds 21,548 after (Indirect).
- Option exercise/conversion: disposed of 10,132 Stock Option on August 18, 2026; holds 1,700 after (Indirect).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $12,525,949 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
W Nicholas Howley — Director
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-18 | Option exercise/conversion | Common Stock | 10,132 | $66 | $673.5K | 31,679.513 |
| 2026-08-18 | Open-market sale | Common Stock | 204 | $1.2K | $250.0K | 31,475.513 |
| 2026-08-18 | Open-market sale | Common Stock | 70 | $1.2K | $85.9K | 31,405.513 |
| 2026-08-18 | Open-market sale | Common Stock | 290 | $1.2K | $356.4K | 31,115.513 |
| 2026-08-18 | Open-market sale | Common Stock | 570 | $1.2K | $701.1K | 30,545.513 |
| 2026-08-18 | Open-market sale | Common Stock | 830 | $1.2K | $1.0M | 29,715.513 |
| 2026-08-18 | Open-market sale | Common Stock | 1,055 | $1.2K | $1.3M | 28,660.513 |
| 2026-08-18 | Open-market sale | Common Stock | 450 | $1.2K | $555.0K | 28,210.513 |
| 2026-08-18 | Open-market sale | Common Stock | 270 | $1.2K | $333.4K | 27,940.513 |
| 2026-08-18 | Open-market sale | Common Stock | 140 | $1.2K | $173.1K | 27,800.513 |
| 2026-08-18 | Open-market sale | Common Stock | 250 | $1.2K | $309.2K | 27,550.513 |
| 2026-08-18 | Open-market sale | Common Stock | 520 | $1.2K | $643.8K | 27,030.513 |
| 2026-08-18 | Open-market sale | Common Stock | 3,980 | $1.2K | $4.9M | 23,050.513 |
| 2026-08-18 | Open-market sale | Common Stock | 1,313 | $1.2K | $1.6M | 21,737.513 |
| 2026-08-18 | Open-market sale | Common Stock | 190 | $1.2K | $235.8K | 21,547.513 |
| 2026-08-18 | Option exercise/conversion | Stock Option | 10,132 | — | — | 1,700 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-18 | Option exercise/conversion (10,132 shares) |
| 2026-08-18 | Open-market sale (204 shares) |
| 2026-08-18 | Open-market sale (70 shares) |
| 2026-08-18 | Open-market sale (290 shares) |
| 2026-08-18 | Open-market sale (570 shares) |
| 2026-08-18 | Open-market sale (830 shares) |
| 2026-08-18 | Open-market sale (1,055 shares) |
| 2026-08-18 | Open-market sale (450 shares) |
| 2026-08-18 | Open-market sale (270 shares) |
| 2026-08-18 | Open-market sale (140 shares) |
| 2026-08-18 | Open-market sale (250 shares) |
| 2026-08-18 | Open-market sale (520 shares) |
| 2026-08-18 | Open-market sale (3,980 shares) |
| 2026-08-18 | Open-market sale (1,313 shares) |
| 2026-08-18 | Open-market sale (190 shares) |
| 2026-08-18 | Option exercise/conversion (10,132 shares) |
Keywords
insider transaction, Form 4, TDG, TransDigm Group INC, bearish, W Nicholas Howley
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