Hendriks Han 4

What Happened Han Hendriks, Senior Vice President and Chief Technology Officer of Trinseo PLC (TSE), had a total of 8,622 shares withheld by the company to satisfy tax obligations following the vesting of restricted stock units. The filing shows 6,331 shares withheld on 2026-02-21 at $0.33/share ($2,074) and 2,291 shares withheld on 2026-02-22 at $0.33/share ($751), for a combined value of $2,825. These were tax-withholding disposals (not open-market sales).

Key Details

• Transaction dates and prices: 2026-02-21 — 6,331 shares @ $0.33; 2026-02-22 — 2,291 shares @ $0.33.
• Total withheld: 8,622 shares for ~$2,825.
• Shares owned after transaction: Not specified in the provided filing excerpt (see full Form 4 for beneficial ownership details).
• Footnote: F1 — shares were withheld by the company to pay taxes due following RSU vesting.
• Filing: Form 4 filed 2026-02-24, reporting the 2026-02-21 period; no late-filing indication in the provided data.

Context This was a routine tax-withholding event after restricted stock units vested, commonly processed by companies by withholding shares. Such withholdings are administrative and do not necessarily reflect an insider choosing to sell shares on the open market.