Over the last 12 months, TransDigm Group insiders reported no purchases and 7 sales totaling $62.2M across SEC Form 4 filings. 43% of the activity was filed under pre-arranged 10b5-1 trading plans.
| Date | Insider | Type | Shares | Avg price | Value | Δ stake | Marks |
|---|---|---|---|---|---|---|---|
| Jul 20, 2026 | Howley W NicholasD | ▼ Sale | 10,132 | $1216.08 | $12.3M | -32% | plan · 12 tranches · indirect |
| Jul 15, 2026 | Reiss JoelCo-Chief Operating Officer · O | ▼ Sale | 414 | $1231.11 | $510K | -10.3% | plan · 4 tranches |
| Jul 15, 2026 | Reiss JoelCo-Chief Operating Officer · O | ▼ Sale | 3,486 | $1216.21 | $4.2M | -46.5% | plan · 29 tranches |
| Jun 18, 2026 | Howley W NicholasD | ▼ Sale | 10,132 | $1319.55 | $13.4M | -32% | 22 tranches · indirect |
| Jun 18, 2026 | Howley W NicholasD | ▼ Sale | 10,132 | $1319.55 | $13.4M | -32% | 22 tranches · indirect |
| Jun 18, 2026 | Howley W NicholasD | ▼ Sale | 10,132 | $1319.55 | $13.4M | -32% | 22 tranches · indirect |
| Jun 15, 2026 | Reiss JoelCo-Chief Operating Officer · O | ▼ Sale | 3,900 | $1276.78 | $5.0M | -52% | 18 tranches |
Corporate insiders — officers, directors and 10%+ owners — must report their trades to the SEC on Form 4 within two business days. We group each filing's transactions into one economic event (a laddered 10b5-1 sale is one event, not 25 rows), flag pre-arranged plans and late filings, and link every event to its AI-scored article in the $TDG feed.