Form 4: SYNLOGIC Officer Sells Shares for Tax Obligation

SYNLOGIC's Principal Executive and Financial Officer, Mary Beth Dooley, sold 157 shares of common stock to cover tax liabilities related to a restricted stock award.

Summary

• Mary Beth Dooley, Principal Executive Officer and Principal Financial Officer of SYNLOGIC, INC. (SYBX), reported a transaction.
• On October 29, 2025, Dooley sold 157 shares of SYNLOGIC common stock at a price of $1.81 per share.
• The sale was executed to cover tax liabilities associated with the vesting of a restricted stock award.
• The restricted stock award, granted in 2022, vested on October 28, 2025.
• Following this transaction, Dooley beneficially owns 12,744 shares of SYNLOGIC common stock directly.

Sentiment

Score: 5

Explanation: The transaction is a routine, tax-related sale of a small number of shares by an executive, which is a common occurrence and generally considered neutral in terms of company performance or outlook.

Positives

• The transaction was a routine sale to cover tax obligations from a vested restricted stock award, indicating a standard compensation event.

Negatives

• No significant negative implications are apparent from this routine, tax-related sale of a small number of shares.

Future Outlook

NA

Industry Context

This routine insider transaction, a sale to cover tax liabilities from a vested equity award, is a common occurrence across all industries for executives receiving stock-based compensation. It does not reflect any specific industry trends or competitive positioning.

Stakeholder Impact

• Shareholders: Minimal impact due to the small number of shares sold relative to the company's total outstanding shares. The sale is for tax purposes, not a divestment based on company performance.

Key Dates

Recommendation

This Form 4 details a routine, tax-related sale of a small number of shares by a key executive. Such transactions are common for executives receiving equity compensation and typically do not signal a change in the company's fundamentals or future prospects. Therefore, it does not warrant a change in investment recommendation based solely on this filing.

Keywords

SYNLOGIC, SYBX, Form 4, insider transaction, stock sale, executive compensation, restricted stock unit, tax liability, Mary Beth Dooley