January 25, 2026 · Form 4 insider transaction
Roberts M Scot sold 4,373 shares of ALT at $5.50 per share, a transaction worth $24.1K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.
Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.