Ostrower Sean William Insider Trading -- Recent SEC Form 4 Transactions
Ostrower Sean William (CIK 2125266) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-30). Recent activity: Buy AVAT (299,401 shares), Sell AVAT (15,541 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-30 | Avalanche Treasury Corp (AVAT) | Chief Financial Officer | Buy | 299,401 | $0 |
| 2026-09-30 | Avalanche Treasury Corp (AVAT) | Chief Financial Officer | Sell | 15,541 | $29,528 |
Source: SEC Form 4 filings · as of 2026-09-30