Form 4: Trinseo Director Reports Future Share Withholding for Tax Obligations

Trinseo PLC Director Jeanmarie F. Desmond reported a future disposition of 10,343 ordinary shares at $3.73 per share on June 21, 2025, for tax withholding related to vested restricted stock units.

Summary

• Jeanmarie F. Desmond, a Director of Trinseo PLC, reported a transaction involving the company's ordinary shares.
• The transaction is a disposition of 10,343 ordinary shares, identified by transaction code 'F', indicating shares withheld for tax purposes.
• The price per share for the disposition was $3.73.
• The transaction date is June 21, 2025, indicating a pre-scheduled future event.
• Following this transaction, Jeanmarie F. Desmond will beneficially own 46,552 ordinary shares.
• The shares were withheld by Trinseo PLC to cover tax obligations arising from the vesting of previously granted restricted stock units.

Sentiment

Score: 5

Explanation: The filing reports a routine insider transaction (share withholding for tax purposes) which is a neutral event and does not indicate positive or negative sentiment regarding the company's performance or outlook.

Future Outlook

The document reports a pre-scheduled future transaction for June 21, 2025, involving the withholding of shares by the company to cover tax obligations for a director following the vesting of previously granted restricted stock units, likely under a Rule 10b5-1 plan.

Industry Context

This Form 4 filing is a standard regulatory disclosure for insider transactions and does not provide broader industry context or trends.

Comparison to Industry Standards

• Not applicable, as this document reports a routine insider transaction (share withholding for tax) rather than company performance metrics that would be compared to industry standards or specific comparable companies/projects.

Stakeholder Impact

• Minimal direct impact on shareholders as it is a routine tax-related transaction for a director's compensation, not indicative of a change in company fundamentals or strategy.

Next Steps

• The reported transaction, the withholding of shares for tax purposes, is scheduled to occur on June 21, 2025.

Key Dates

Keywords

Trinseo PLC, TSE, Form 4, insider transaction, share disposition, tax withholding, restricted stock units, RSU, director, Jeanmarie F. Desmond