Form 4: Trinseo Director K. Lynne Johnson Reports Share Disposition for Tax Purposes

Trinseo PLC Director K. Lynne Johnson reported the disposition of 10,474 ordinary shares at $3.73 per share on June 21, 2025, to cover tax obligations related to the vesting of restricted stock units.

Summary

• K. Lynne Johnson, a Director of Trinseo PLC, reported a change in beneficial ownership of ordinary shares.
• On June 21, 2025, 10,474 ordinary shares were disposed of at a price of $3.73 per share.
• This disposition was a 'tax withholding' transaction (Code F), meaning the shares were withheld by Trinseo PLC to cover taxes due upon the vesting of previously granted restricted stock units.
• Following this transaction, K. Lynne Johnson beneficially owns 48,429 ordinary shares directly.

Sentiment

Score: 5

Explanation: The transaction is a routine administrative event (tax withholding on RSU vesting) and does not indicate a positive or negative sentiment regarding the company's performance or outlook.

Positives

• The transaction is a standard operational event related to equity compensation, indicating the vesting of previously granted restricted stock units, which is a positive for the director.

Negatives

• A reduction of 10,474 shares in the director's direct beneficial ownership.

Future Outlook

No forward-looking statements or guidance are provided.

Industry Context

This Form 4 filing details a routine insider transaction related to equity compensation, which is common across all industries for publicly traded companies. It does not provide broader industry trends or competitive insights.

Comparison to Industry Standards

• The transaction type (shares withheld for tax on RSU vesting) is a standard practice for equity compensation in publicly traded companies across various industries. No specific comparable companies or projects are mentioned in the document to allow for a detailed comparison of results.

Related Party Transactions

• The transaction involves a director and the company, which is a related party, but it is a standard equity compensation event rather than a unique related party dealing. No other related party dealings are disclosed.

Stakeholder Impact

• Shareholders: The transaction slightly reduces the direct ownership stake of a director, but it is a common and expected part of equity compensation. It does not indicate a significant impact on overall shareholder value or governance.
• Employees: The vesting of restricted stock units is a positive for the director as an employee, representing a realization of compensation.

Key Dates

Recommendation

Keywords

Trinseo PLC, TSE, Form 4, SEC filing, Insider transaction, Share disposition, Tax withholding, Restricted stock units, Director ownership, Equity compensation