February 22, 2026 · Form 4 insider transaction
Cooney Paula M. sold 2,684 shares of Trinseo Corp at $0.33 per share, a transaction worth $879.28. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.
Shares withheld by the Company to pay taxes due following the vesting of restricted stock units.