Ostrower Sean William bought AVAT
September 28, 2026 · Form 4 insider transaction
Ostrower Sean William bought 299,401 shares of Avalanche Treasury Corporation at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
299,401
Price
$0.00
Total value
N/A
InsiderOstrower Sean William
Role—
SecurityClass A Common Stock
Transaction codeA: Grant or award
Transaction dateSeptember 28, 2026
Filing dateSeptember 30, 2026
Shares owned after299,401
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Represents a grant of restricted stock units ("RSUs") on September 28, 2026. The RSUs will vest 1/8 on each of the first eight six-month anniversaries of March 9, 2026. Each RSU represents a contingent right to receive one share of Class A common stock.