DESROSIER THOMAS (See Remarks) sold 1.0% of their position (79.00 shares) of SERES THERAPEUTICS, INC. on the open market
Open‑market sale worth $594.87 — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 5/19/2026ACC: 0001193125-26-230728
Officer· See Remarks
Since Mar 2026
-79.00
Net shares
Net seller
$594.87
Total sold
1
Open market trades
0B · 1S
4
Total transactions
244.00 acquired · 323.00 disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+244.00
Price / share
—
Trade value
—
% of position
3.1%
5/15/2026
7.79K→8.03K
Common Stock
Direct
Shares
−79.00
Price / share
$7.53
Trade value
$594.87
% of position
1.0%
5/18/2026
8.03K→7.95K
Total
Net shares
+165.00
Net value
-$594.87
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 5/15/2026 | M · Option Exercise | +244.00 | — | — | 3.1% | 7.79K | 8.03K |
| Common Stock Direct | 5/18/2026 | S · Sale | −79.00 | $7.53 | $594.87 | 1.0% | 8.03K | 7.95K |
| Total | +165.00 | -$594.87 | ||||||
Derivative Transactions2
Restricted Stock Units
Direct
Converts to
Common Stock
133.00 shares
Shares
−133.00
Strike price
Held after
398.00
Exercisable
—
5/15/2026
Restricted Stock Units
Direct
Converts to
Common Stock
111.00 shares
Shares
−111.00
Strike price
Held after
779.00
Exercisable
—
5/15/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock133.00 shares | 5/15/2026 | M · Option Exercise | −133.00 | — | 398.00 | |
| Restricted Stock Units Direct | Common Stock111.00 shares | 5/15/2026 | M · Option Exercise | −111.00 | — | 779.00 |