Schewe Rainer 4

What Happened
Rainer Schewe, Senior Vice President, Supply Chain & Manufacturing Services at Trinseo PLC, had 4,028 shares withheld by the company to satisfy tax obligations following the vesting of previously granted restricted stock units. The shares were valued at $0.23 each, for a total withholding of approximately $926 (reported as $926).

Key Details

• Transaction date: 2026-02-27. Report filed: 2026-03-03 (timely within two business days).
• Transaction type/code: F (shares withheld to pay taxes following RSU vesting).
• Shares withheld/disposed: 4,028 at $0.23 per share; total reported value ~$926.
• Shares owned after transaction: Not disclosed in the provided filing.
• Footnote: F1 — "Shares withheld by the Company to pay taxes due following the vesting of previously granted restricted stock units."

Context
This is a routine tax-withholding disposition tied to RSU vesting, not an open-market sale or purchase. Such withholdings are administrative and do not necessarily indicate any change in the insider's view of the company.