Sean William Ostrower
CIK: 0002125266
Transaction Breakdown
Open Market Buys (P)0
High conviction signal
Open Market Sales (S)0
Position reduction
Option Exercises (M)0
Derivative conversions
Awards (A)0
Compensation grants
Other (G, F, J, C, D, …)0
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
AVAT
Avalanche Treasury Corp
Officer
Discretionary Trading P&L
Holdings
Transaction History (0 total)
1 Form 3 filing on record — initial statements of ownership, which report holdings, not trades. No Form 4 or Form 5 transactions since Sep 2024.
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| 1 Form 3 filing on record — initial statements of ownership, which report holdings, not trades. No Form 4 or Form 5 transactions since Sep 2024. | ||||||
0-0 of 0 transactions
About Ostrower Sean William
Ostrower Sean William (SEC CIK 0002125266) files insider reports with the SEC as Chief Financial Officer of Avalanche Treasury Corp (AVAT).
Signal8 holds 1 ownership filing by Ostrower Sean William, a Form 3, filed on Jun 11, 2026. A Form 3 is an initial statement of ownership: it reports holdings, not trades, so no Form 4 or Form 5 transactions are on record since Sep 2024.
The business address on Ostrower Sean William's filings is in NEW YORK, NY.
Other insiders filing for Avalanche Treasury Corp (AVAT)
- Smith Gerald Bartholomew, Chief Executive Officer
- Moljo Laine Mihalchick, Chief Operating Officer
- Hadick Robert M, Director
- Gambale Virginia, Director
- Grinberg Paul, Director
- Nahas Sarkees John, Director