HENN MATTHEW R (Chief Scientific Officer) sold 1.6% of their position (73.00 shares) of SERES THERAPEUTICS, INC. on the open market
Open‑market sale worth $1.2K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 8/19/2025ACC: 0000950170-25-110090
Officer· Chief Scientific Officer
Since Feb 2019
-73.00
Net shares
Net seller
$1.2K
Total sold
1
Open market trades
0B · 1S
5
Total transactions
238.00 acquired · 311.00 disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
+141.00
Price / share
—
Trade value
—
% of position
3.2%
8/15/2025
4.38K→4.52K
Common Stock
Direct
Shares
+97.00
Price / share
—
Trade value
—
% of position
2.1%
8/15/2025
4.52K→4.62K
Common Stock
Direct
Shares
−73.00
Price / share
$16.65
Trade value
$1.22K
% of position
1.6%
8/18/2025
4.62K→4.55K
Total
Net shares
+165.00
Net value
-$1.22K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/15/2025 | M · Option Exercise | +141.00 | — | — | 3.2% | 4.38K | 4.52K |
| Common Stock Direct | 8/15/2025 | M · Option Exercise | +97.00 | — | — | 2.1% | 4.52K | 4.62K |
| Common Stock Direct | 8/18/2025 | S · Sale | −73.00 | $16.65 | $1.22K | 1.6% | 4.62K | 4.55K |
| Total | +165.00 | -$1.22K | ||||||
Derivative Transactions2
Restricted Stock Units
Direct
Converts to
Common Stock
141.00 shares
Shares
−141.00
Strike price
Held after
844.00
Exercisable
—
8/15/2025
Restricted Stock Units
Direct
Converts to
Common Stock
97.00 shares
Shares
−97.00
Strike price
Held after
976.00
Exercisable
—
8/15/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock141.00 shares | 8/15/2025 | M · Option Exercise | −141.00 | — | 844.00 | |
| Restricted Stock Units Direct | Common Stock97.00 shares | 8/15/2025 | M · Option Exercise | −97.00 | — | 976.00 |