Hendriks Han 4

What Happened
Hendriks Han, SVP and Chief Technology Officer of Trinseo PLC, had 7,707 shares withheld by the company on 2026-02-27 to satisfy tax liabilities following the vesting of restricted stock units. The withholding is reported as a disposition (code F) at $0.23 per share for a total value of approximately $1,773.

Key Details

• Transaction date: 2026-02-27
• Transaction type/code: F — shares withheld to pay tax liability after RSU vesting
• Shares withheld/disposed: 7,707 shares at $0.23/share; total ≈ $1,773
• Filing date: 2026-03-03 (appears timely within Form 4 reporting window)
• Shares owned after the transaction: not specified in the provided filing
• Footnote: F1 — "Shares withheld by the Company to pay taxes due following the vesting of restricted stock units."

Context
This was a tax-withholding disposition (company retained shares to cover taxes), not an open-market sale. Such withholding is routine following RSU vesting and does not necessarily indicate an insider's view on the company’s stock. Purchases or open-market sales typically carry more informational value for investors.