Ostrower Sean William

Reporting owner on Forms 3, 4 and 5, CIK 2125266.

Ostrower Sean William reported on 1 issuer in 1 filing, the latest a Form 4 filed 2026-09-30.

Issuers

Issuer	Roles in the latest filing	Filings	Last filed
Avalanche Treasury Corp CIK 2092446	officer (Chief Financial Officer)	1	2026-09-30

Every row of the person's Forms 3, 4 and 5, newest first, with the price and the amount owned after the row as filed.

Security	Date	Code	Shares	Price	Owned after	Filing
Avalanche Treasury Corp Class A Common Stock	2026-09-30	F withheld for tax	-15,541	$1.9	283,860	Form 4
Avalanche Treasury Corp Class A Common Stock	2026-09-28	A granted	+299,401	$0	299,401	Form 4

The person's Forms 3, 4 and 5, and any 13D or 13G naming it.

Filing	Subject	Filed	Accepted	Ingested
Form 4 0001104659-26-112443	Avalanche Treasury Corp	2026-09-30	2026-09-30 22:33:27 UTC	2026-10-06 10:14:06 UTC