CIK 0001609809 · Non-accelerated filer<br>Smaller reporting company
Seres Therapeutics, Inc.
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- MCRB
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 274326290
- Phone
- 617 945 9626
- Business address
- 200 SIDNEY STREET, CAMBRIDGE, MA, 02139
- Former names
- Seres Therapeutics, Inc., Seres Health, Inc.
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $2,230
- in 4 filings, $2K under 10b5-1 plans
Net −$2,230. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-02-15 | DesRosier Thomas See Remarks | Option exercise 10b5-1 | +244 | 7,867 | ||
| 2026-02-15 | DesRosier Thomas See Remarks | Sale 10b5-1 | −78 | $8.47 | $661 | 7,789 |
| 2026-02-15 | DesRosier Thomas See Remarks | Option exercise · Restricted Stock Units 10b5-1 | −133 | 531 | ||
| 2026-02-15 | DesRosier Thomas See Remarks | Option exercise · Restricted Stock Units 10b5-1 | −111 | 890 | ||
| 2026-02-15 | Henn Matthew R See Remarks | Option exercise 10b5-1 | +239 | 7,766 | ||
| 2026-02-15 | Henn Matthew R See Remarks | Sale 10b5-1 | −89 | $8.47 | $754 | 7,677 |
| 2026-02-15 | Henn Matthew R See Remarks | Option exercise · Restricted Stock Units 10b5-1 | −141 | 563 | ||
| 2026-02-15 | Henn Matthew R See Remarks | Option exercise · Restricted Stock Units 10b5-1 | −98 | 780 | ||
| 2025-11-15 | DesRosier Thomas See Remarks | Option exercise 10b5-1 | +132 | 7,587 | ||
| 2025-11-15 | DesRosier Thomas See Remarks | Option exercise 10b5-1 | +112 | 7,699 | ||
| 2025-11-15 | DesRosier Thomas See Remarks | Sale 10b5-1 | −76 | $17.30 | $1K | 7,623 |
| 2025-11-15 | DesRosier Thomas See Remarks | Option exercise · Restricted Stock Units 10b5-1 | −132 | 664 | ||
| 2025-11-15 | DesRosier Thomas See Remarks | Option exercise · Restricted Stock Units 10b5-1 | −112 | 1,001 | ||
| 2025-11-15 | Young Teresa L. See Remarks | Option exercise 10b5-1 | +3,998 | 9,213 | ||
| 2025-11-15 | Young Teresa L. See Remarks | Option exercise 10b5-1 | +132 | 9,345 | ||
| 2025-11-15 | Young Teresa L. See Remarks | Option exercise 10b5-1 | +98 | 9,443 | ||
| 2025-11-15 | Young Teresa L. See Remarks | Sale 10b5-1 | −1,042 | $17.30 | $18K | 8,401 |
| 2025-11-15 | Young Teresa L. See Remarks | Option exercise · Restricted Stock Units 10b5-1 | −3,998 | 0 | ||
| 2025-11-15 | Young Teresa L. See Remarks | Option exercise · Restricted Stock Units 10b5-1 | −132 | 664 | ||
| 2025-11-15 | Young Teresa L. See Remarks | Option exercise · Restricted Stock Units 10b5-1 | −98 | 878 |
Page 4 of 13 · 254 trades