YOUNG TERESA L.

PrivateCIK: 1814656
Location

HOUSTON, TX

YOUNG TERESA L. (See Remarks) sold 1.1% of their position (59.00 shares) of SERES THERAPEUTICS, INC. on the open market

Open‑market sale worth $982.35 — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderYOUNG TERESA L.CIK 1814656
IssuerSERES THERAPEUTICS, INC.CIK 1609809
Officer· See Remarks
Since Jun 2020
-59.00
Net shares
Net seller
$982.35
Total sold
1
Open market trades
0B · 1S
5
Total transactions
230.00 acquired · 289.00 disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+133.00

Price / share

Trade value

% of position

2.6%
8/15/2025
5.04K5.18K

Common Stock

Direct
M · Option Exercise

Shares

+97.00

Price / share

Trade value

% of position

1.9%
8/15/2025
5.18K5.27K

Common Stock

Direct
S · Sale

Shares

59.00

Price / share

$16.65

Trade value

$982.35

% of position

1.1%
8/18/2025
5.27K5.21K
Total

Net shares

+171.00

Net value

-$982.35

Derivative Transactions2

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

133.00 shares

Shares

133.00

Strike price

Held after

796.00

Exercisable

8/15/2025

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

97.00 shares

Shares

97.00

Strike price

Held after

976.00

Exercisable

8/15/2025
YOUNG TERESA L. — Insider Transaction (Form 4) Filed Aug 19, 2025 | Finecho