HENN MATTHEW R (Chief Scientific Officer) sold 14.3% of their position (1.26K shares) of SERES THERAPEUTICS, INC. on the open market
Open‑market sale worth $21.7K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
Common Stock
Shares
+4K
Price / share
—
Trade value
—
% of position
Common Stock
Shares
+140.00
Price / share
—
Trade value
—
% of position
Common Stock
Shares
+98.00
Price / share
—
Trade value
—
% of position
Common Stock
Shares
−1.26K
Price / share
$17.30
Trade value
$21.75K
% of position
Net shares
+2.98K
Net value
-$21.75K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 11/15/2025 | M · Option Exercise | +4K | — | — | 87.9% | 4.55K | 8.55K |
| Common Stock Direct | 11/15/2025 | M · Option Exercise | +140.00 | — | — | 1.6% | 8.55K | 8.69K |
| Common Stock Direct | 11/15/2025 | M · Option Exercise | +98.00 | — | — | 1.1% | 8.69K | 8.78K |
| Common Stock Direct | 11/15/2025 | S · Sale | −1.26K | $17.30 | $21.75K | 14.3% | 8.78K | 7.53K |
| Total | +2.98K | -$21.75K | ||||||
Restricted Stock Units
Common Stock
4K shares
Shares
−4K
Strike price
Held after
0.00
Exercisable
—
Restricted Stock Units
Common Stock
140.00 shares
Shares
−140.00
Strike price
Held after
704.00
Exercisable
—
Restricted Stock Units
Common Stock
98.00 shares
Shares
−98.00
Strike price
Held after
878.00
Exercisable
—
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock4K shares | 11/15/2025 | M · Option Exercise | −4K | — | 0.00 | |
| Restricted Stock Units Direct | Common Stock140.00 shares | 11/15/2025 | M · Option Exercise | −140.00 | — | 704.00 | |
| Restricted Stock Units Direct | Common Stock98.00 shares | 11/15/2025 | M · Option Exercise | −98.00 | — | 878.00 |