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Dooley Mary Beth's Form 4 filing

Synlogic, Inc. (SYBX) · filed Oct 31, 2025

Accession no.
0001193125-25-260649
Filed
Oct 31, 2025
Trade date
Oct 29, 2025
Filing delay
2 days
Rule 10b5-1 plan
Not checked

This filing lists 1 non-derivative transaction. Open-market sales total $284.17. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Dooley Mary BethCIK 0002015112Officer (See Remarks below)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Oct 29, 2025Common StockSSaleDisposed−157$1.81−$284.1712,744Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

No transaction price on this filing refers to a footnote.

Remarks

Principal Executive Officer and Principal Financial Officer

Read the full filing on SEC EDGAR (opens in a new tab)