Form 4 Filing: Ostrower Sean William Surrenders for Taxes $30K of $AVAT

TAX WITHHOLDING

⚡ MATERIALITY: 3/10

corporate issuer

Avalanche Treasury Corp

Ticker: $AVAT

Transaction Value

$30K

Price/Share: $0.09

transaction date

2026-09-30

Shares: 314,942

Market Price Activity

HillSignal AI Analytical Report

SEC Form 4 documents direct changes in beneficial ownership of securities for public corporations. The reporting insider, Ostrower Sean William, holds the title of Chief Financial Officer at Avalanche Treasury Corp.

On 2026-09-30, the insider transacted 314,942 shares.The shares were transacted at a weighted average price of $0.09 per share, resulting in a total market-relevant value of $30K.

Executive Summary Summary

Ostrower Sean William (Chief Financial Officer) had withheld for taxes $30K of $AVAT

Post-Transaction Position: 283,860 shares

SEC Accession No: 0001104659-26-112443 (CIK: 2125266)

Verified Multi-Source Index

Verify the accuracy of this insider transaction and corporate entity independently. HillSignal pulls data directly from official SEC databases; use the sources below to corroborate.

SEC EDGAR FilingView Source Form 4

Yahoo Finance$AVAT Quote & Profile

OpenCorporates RegistryVerify Corporate Identity

Google News$AVAT News Coverage