DesRosier Thomas's Form 4 filing
Seres Therapeutics, Inc. (MCRB) · filed Nov 18, 2025
- Accession no.
- 0001193125-25-286240
- Filed
- Nov 18, 2025
- Trade date
- Nov 15, 2025
- Filing delay
- 3 days
- Rule 10b5-1 plan
- Checked
This filing lists 3 non-derivative transactions and 2 derivative transactions. Open-market sales total $1.31K. 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 |
|---|---|
| DesRosier ThomasCIK 0001435744 | Officer (See Remarks) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
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 | −132 | $0.00 | $0 | 664 | Direct | |
| Nov 15, 2025 | Common Stock | MOption exerciseDisposed | −112 | $0.00 | $0 | 1,001 | 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 represents a contingent right to receive one share of Issuer common stock.
Referenced by the price of 2 transactions in Table I.
Remarks
Chief Legal Officer, EVP, Co-Chief Executive Officer, and Co-President