Nasdaq · CIK 0001609809
MCRB Seres Therapeutics, Inc.
Insider trading from SEC Form 4. Last filing May 19, 2025. Close $2.71 on Oct 9, 2026, +3% from the 52-week low and -91% from the high.
Last 90 days
Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
12
with a Form 4 at this company
Price and insider trades, last year
MCRBOct 9, 2026 · close 2.71
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Seres Therapeutics, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 0Weak | Thomas DesRosier Chief Legal Officer and EVP sell | $575 79 shares | -1% | +9% from low-68% from high | |
| 0Weak | Matthew R Henn See Remarks sell | $561 77 shares | -2% | +10% from low-68% from high | |
| 5Weak | Eric D. Shaff CEO and President sell | $1,602 220 shares | -2% | +10% from low-68% from high | |
| 0Weak | Teresa L. Young See Remarks sell | $459 63 shares | -1% | +10% from low-68% from high | |
| 0Weak | Thomas DesRosier Chief Legal Officer and EVP sell | $3,485 4,300 shares | -3% | - | |
| 0Weak | Matthew R Henn See Remarks sell | $3,204 3,953 shares | -4% | - | |
| 0Weak | Thomas DesRosier Chief Legal Officer and EVP sell | $475 878 shares | -1% | - | |
| 0Weak | Matthew R Henn See Remarks sell | $501 927 shares | -1% | - | |
| 5Weak | Eric D. Shaff CEO and President sell | $1,355 2,505 shares | -1% | - | |
| 0Weak | Teresa L. Young See Remarks sell | $398 735 shares | -1% | - | |
| 0Weak | Lisa von Moltke See Remarks sell | $528 977 shares | -3% | - | |
| 0Weak | Thomas DesRosier Chief Legal Officer and EVP sell | $2,939 4,259 shares | -3% | - | |
| 0Weak | Matthew R Henn See Remarks sell | $2,749 3,984 shares | -5% | - | |
| 0Weak | Teresa L. Young See Remarks sell | $2,059 2,983 shares | -3% | - | |
| 5Weak | Eric D. Shaff CEO and President sell | $6,037 8,748 shares | -5% | - | |
| 0Weak | Lisa von Moltke See Remarks sell | $2,991 4,334 shares | -12% | - |
Transactions
The last 69 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 15, 2025 | Teresa L. Young See Remarks | MOption exercise Common Stock10b5-1 | +133 | - | - | 5,009 | May 19, 2025 |
| May 15, 2025 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Common Stock10b5-1 | +133 | - | - | 7,255 | May 19, 2025 |
| May 15, 2025 | Eric D. Shaff CEO and President | MOption exercise Common Stock10b5-1 | +390 | - | - | 9,991 | May 19, 2025 |
| May 15, 2025 | Matthew R Henn See Remarks | MOption exercise Common Stock10b5-1 | +140 | - | - | 4,362 | May 19, 2025 |
| May 15, 2025 | Matthew R Henn See Remarks | MOption exercise Common Stock10b5-1 | +98 | - | - | 4,460 | May 19, 2025 |
| May 15, 2025 | Teresa L. Young See Remarks | MOption exercise Common Stock10b5-1 | +98 | - | - | 5,107 | May 19, 2025 |
| May 15, 2025 | Eric D. Shaff CEO and President | MOption exercise Common Stock10b5-1 | +331 | - | - | 10,322 | May 19, 2025 |
| May 15, 2025 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Common Stock10b5-1 | +111 | - | - | 7,366 | May 19, 2025 |
| May 16, 2025 | Matthew R Henn See Remarks | SOpen-market sale Common Stock10b5-1 | -77 | $7.28 | $561 | 4,383 | May 19, 2025 |
| May 15, 2025 | Thomas DesRosier Chief Legal Officer and EVP | SOpen-market sale Common Stock10b5-1 | -79 | $7.28 | $575 | 7,287 | May 19, 2025 |
| May 16, 2025 | Teresa L. Young See Remarks | SOpen-market sale Common Stock10b5-1 | -63 | $7.28 | $459 | 5,044 | May 19, 2025 |
| May 16, 2025 | Eric D. Shaff CEO and President | SOpen-market sale Common Stock10b5-1 | -220 | $7.28 | $1,602 | 10,102 | May 19, 2025 |
| May 15, 2025 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Restricted Stock Unitsderivative10b5-1 | -133 | $0.00 | $0 | 929 | May 19, 2025 |
| May 15, 2025 | Matthew R Henn See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -140 | $0.00 | $0 | 985 | May 19, 2025 |
| May 15, 2025 | Eric D. Shaff CEO and President | MOption exercise Restricted Stock Unitsderivative10b5-1 | -390 | $0.00 | $0 | 2,735 | May 19, 2025 |
| May 15, 2025 | Teresa L. Young See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -133 | $0.00 | $0 | 929 | May 19, 2025 |
| May 15, 2025 | Eric D. Shaff CEO and President | MOption exercise Restricted Stock Unitsderivative10b5-1 | -331 | $0.00 | $0 | 3,653 | May 19, 2025 |
| May 15, 2025 | Teresa L. Young See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -98 | $0.00 | $0 | 1,073 | May 19, 2025 |
| May 15, 2025 | Matthew R Henn See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -98 | $0.00 | $0 | 1,073 | May 19, 2025 |
| May 15, 2025 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Restricted Stock Unitsderivative10b5-1 | -111 | $0.00 | $0 | 1,224 | May 19, 2025 |
| Apr 10, 2025 | Dennis A Ausiello director | AGrant or award Stock Option (right to buy)derivative | +100,000 | $0.00 | $0 | 100,000 | Apr 11, 2025 |
| Apr 10, 2025 | Stephen Berenson director | AGrant or award Stock Option (right to buy)derivative | +100,000 | $0.00 | $0 | 100,000 | Apr 11, 2025 |
| Apr 10, 2025 | Paul Biondi director | AGrant or award Stock Option (right to buy)derivative | +100,000 | $0.00 | $0 | 100,000 | Apr 11, 2025 |
| Apr 10, 2025 | Willard H Dere director | AGrant or award Stock Option (right to buy)derivative | +100,000 | $0.00 | $0 | 100,000 | Apr 11, 2025 |
| Apr 10, 2025 | Claire Fraser director | AGrant or award Stock Option (right to buy)derivative | +100,000 | $0.00 | $0 | 100,000 | Apr 11, 2025 |
| Apr 10, 2025 | Kurt Graves director | AGrant or award Stock Option (right to buy)derivative | +100,000 | $0.00 | $0 | 100,000 | Apr 11, 2025 |
| Apr 10, 2025 | Richard N Kender director | AGrant or award Stock Option (right to buy)derivative | +100,000 | $0.00 | $0 | 100,000 | Apr 11, 2025 |
| Feb 15, 2025 | Matthew R Henn See Remarks | MOption exercise Common Stock10b5-1 | +2,813 | - | - | 80,583 | Feb 19, 2025 |
| Feb 15, 2025 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Common Stock10b5-1 | +2,657 | - | - | 137,849 | Feb 19, 2025 |
| Feb 15, 2025 | Matthew R Henn See Remarks | MOption exercise Common Stock10b5-1 | +7,813 | - | - | 88,396 | Feb 19, 2025 |
| Feb 15, 2025 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Common Stock10b5-1 | +8,907 | - | - | 146,756 | Feb 19, 2025 |
| Feb 18, 2025 | Matthew R Henn See Remarks | SOpen-market sale Common Stock10b5-1 | -3,953 | $0.81 | $3,204 | 84,443 | Feb 19, 2025 |
| Feb 18, 2025 | Thomas DesRosier Chief Legal Officer and EVP | SOpen-market sale Common Stock10b5-1 | -4,300 | $0.81 | $3,485 | 142,456 | Feb 19, 2025 |
| Feb 15, 2025 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Restricted Stock Unitsderivative10b5-1 | -2,657 | $0.00 | $0 | 21,250 | Feb 19, 2025 |
| Feb 15, 2025 | Matthew R Henn See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -2,813 | $0.00 | $0 | 22,500 | Feb 19, 2025 |
| Feb 15, 2025 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Restricted Stock Unitsderivative10b5-1 | -8,907 | $0.00 | $0 | 26,718 | Feb 19, 2025 |
| Feb 15, 2025 | Matthew R Henn See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -7,813 | $0.00 | $0 | 23,437 | Feb 19, 2025 |
| Feb 7, 2025 | Thomas DesRosier Chief Legal Officer and EVP | AGrant or award Stock Option (Right to Buy)derivative | +650,000 | $0.00 | $0 | 650,000 | Feb 11, 2025 |
| Feb 7, 2025 | Matthew R Henn See Remarks | AGrant or award Stock Option (Right to Buy)derivative | +650,000 | $0.00 | $0 | 650,000 | Feb 11, 2025 |
| Nov 15, 2024 | Teresa L. Young See Remarks | MOption exercise Common Stock10b5-1 | +2,656 | - | - | 91,139 | Nov 19, 2024 |
| Nov 15, 2024 | Eric D. Shaff CEO and President | MOption exercise Common Stock10b5-1 | +7,812 | - | - | 172,894 | Nov 19, 2024 |
| Nov 15, 2024 | Lisa von Moltke See Remarks | MOption exercise Common Stock10b5-1 | +2,969 | - | - | 33,392 | Nov 19, 2024 |
| Nov 15, 2024 | Matthew R Henn See Remarks | MOption exercise Common Stock10b5-1 | +2,812 | - | - | 78,697 | Nov 19, 2024 |
| Nov 15, 2024 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Common Stock10b5-1 | +2,656 | - | - | 136,070 | Nov 19, 2024 |
| Nov 18, 2024 | Lisa von Moltke See Remarks | SOpen-market sale Common Stock10b5-1 | -977 | $0.54 | $528 | 32,415 | Nov 19, 2024 |
| Nov 18, 2024 | Teresa L. Young See Remarks | SOpen-market sale Common Stock10b5-1 | -735 | $0.54 | $398 | 90,404 | Nov 19, 2024 |
| Nov 18, 2024 | Eric D. Shaff CEO and President | SOpen-market sale Common Stock10b5-1 | -2,505 | $0.54 | $1,355 | 170,389 | Nov 19, 2024 |
| Nov 18, 2024 | Matthew R Henn See Remarks | SOpen-market sale Common Stock10b5-1 | -927 | $0.54 | $501 | 77,770 | Nov 19, 2024 |
| Nov 18, 2024 | Thomas DesRosier Chief Legal Officer and EVP | SOpen-market sale Common Stock10b5-1 | -878 | $0.54 | $475 | 135,192 | Nov 19, 2024 |
| Nov 15, 2024 | Lisa von Moltke See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -2,969 | $0.00 | $0 | 26,719 | Nov 19, 2024 |
| Nov 15, 2024 | Eric D. Shaff CEO and President | MOption exercise Restricted Stock Unitsderivative10b5-1 | -7,812 | $0.00 | $0 | 70,313 | Nov 19, 2024 |
| Nov 15, 2024 | Matthew R Henn See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -2,812 | $0.00 | $0 | 25,313 | Nov 19, 2024 |
| Nov 15, 2024 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Restricted Stock Unitsderivative10b5-1 | -2,656 | $0.00 | $0 | 23,907 | Nov 19, 2024 |
| Nov 15, 2024 | Teresa L. Young See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -2,656 | $0.00 | $0 | 23,907 | Nov 19, 2024 |
| Oct 27, 2024 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Common Stock10b5-1 | +13,500 | $0.00 | $0 | 137,673 | Oct 29, 2024 |
| Oct 27, 2024 | Matthew R Henn See Remarks | MOption exercise Common Stock10b5-1 | +12,622 | $0.00 | $0 | 79,869 | Oct 29, 2024 |
| Oct 27, 2024 | Lisa von Moltke See Remarks | MOption exercise Common Stock10b5-1 | +13,744 | $0.00 | $0 | 34,757 | Oct 29, 2024 |
| Oct 27, 2024 | Teresa L. Young See Remarks | MOption exercise Common Stock10b5-1 | +11,360 | $0.00 | $0 | 91,466 | Oct 29, 2024 |
| Oct 27, 2024 | Eric D. Shaff CEO and President | MOption exercise Common Stock10b5-1 | +27,837 | $0.00 | $0 | 173,830 | Oct 29, 2024 |
| Oct 28, 2024 | Thomas DesRosier Chief Legal Officer and EVP | SOpen-market sale Common Stock10b5-1 | -4,259 | $0.69 | $2,939 | 133,414 | Oct 29, 2024 |
| Oct 28, 2024 | Matthew R Henn See Remarks | SOpen-market sale Common Stock10b5-1 | -3,984 | $0.69 | $2,749 | 75,885 | Oct 29, 2024 |
| Oct 28, 2024 | Teresa L. Young See Remarks | SOpen-market sale Common Stock10b5-1 | -2,983 | $0.69 | $2,059 | 88,483 | Oct 29, 2024 |
| Oct 28, 2024 | Eric D. Shaff CEO and President | SOpen-market sale Common Stock10b5-1 | -8,748 | $0.69 | $6,037 | 165,082 | Oct 29, 2024 |
| Oct 28, 2024 | Lisa von Moltke See Remarks | SOpen-market sale Common Stock10b5-1 | -4,334 | $0.69 | $2,991 | 30,423 | Oct 29, 2024 |
| Oct 27, 2024 | Lisa von Moltke See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -13,744 | $0.00 | $0 | 0 | Oct 29, 2024 |
| Oct 27, 2024 | Eric D. Shaff CEO and President | MOption exercise Restricted Stock Unitsderivative10b5-1 | -27,837 | $0.00 | $0 | 0 | Oct 29, 2024 |
| Oct 27, 2024 | Teresa L. Young See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -11,360 | $0.00 | $0 | 0 | Oct 29, 2024 |
| Oct 27, 2024 | Matthew R Henn See Remarks | MOption exercise Restricted Stock Unitsderivative10b5-1 | -12,622 | $0.00 | $0 | 0 | Oct 29, 2024 |
| Oct 27, 2024 | Thomas DesRosier Chief Legal Officer and EVP | MOption exercise Restricted Stock Unitsderivative10b5-1 | -13,500 | $0.00 | $0 | 0 | Oct 29, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Dennis A Ausiellodirector
- Stephen Berensondirector
- Paul Biondidirector
- Willard H Deredirector
- Thomas DesRosierChief Legal Officer and EVP
- Claire Fraserdirector
- Kurt Gravesdirector
- Matthew R HennSee Remarks
- Richard N Kenderdirector
- Eric D. ShaffCEO and President
- Teresa L. YoungSee Remarks
- Lisa von MoltkeSee Remarks
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.