Young Teresa L.'s Form 4 filing
Seres Therapeutics, Inc. (MCRB) · filed Nov 18, 2025
- Accession no.
- 0001193125-25-286236
- Filed
- Nov 18, 2025
- Trade date
- Nov 15, 2025
- Filing delay
- 3 days
- Rule 10b5-1 plan
- Checked
This filing lists 4 non-derivative transactions and 3 derivative transactions. Open-market sales total $18.0K. It was filed 3 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.
| Owner | Relationship to the company |
|---|---|
| Young Teresa L.CIK 0001814656 | Officer (See Remarks) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 15, 2025 | Common Stock | MOption exerciseAcquired | +3,998 | –F1 | – | 9,213 | Direct | |
| Nov 15, 2025 | Common Stock | MOption exerciseAcquired | +132 | –F1 | – | 9,345 | Direct | |
| Nov 15, 2025 | Common Stock | MOption exerciseAcquired | +98 | –F1 | – | 9,443 | Direct | |
| Nov 15, 2025 | Common Stock | SSaleDisposed | −1,042 | $17.30 | −$18,026.6 | 8,401 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 15, 2025 | Common Stock | MOption exerciseDisposed | −3,998 | $0.00 | $0 | 0 | Direct | |
| Nov 15, 2025 | Common Stock | MOption exerciseDisposed | −132 | $0.00 | $0 | 664 | Direct | |
| Nov 15, 2025 | Common Stock | MOption exerciseDisposed | −98 | $0.00 | $0 | 878 | Direct |
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.
- F1
Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.
Referenced by the price of 3 transactions in Table I.
Remarks
EVP, Chief Commercial & Strategy Officer