Stephen Berenson

CIK: 0001760671

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MCRB

Seres Therapeutics, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (4 total)

MCRB
Seres Therapeutics, Inc.
Jul 8, 2026
Award(A)
Stock Option (right to buy)
Direct
6.5K shares-
MCRB
Seres Therapeutics, Inc.
Jul 1, 2026
Award(A)
Stock Option (right to buy)
Direct
7.5K shares-
MCRB
Seres Therapeutics, Inc.
Jul 1, 2025
Award(A)
Stock Option (right to buy)
Direct
11.5K shares-
MCRB
Seres Therapeutics, Inc.
Apr 10, 2025
Award(A)
Stock Option (right to buy)
Direct
100K shares-

		Type	Shares	Price		Ownership
Jul 8, 2026	MCRB Seres Therapeutics, Inc.	Award(A) Stock Option (right to buy)	6,500	-	-	Direct
Jul 1, 2026	MCRB Seres Therapeutics, Inc.	Award(A) Stock Option (right to buy)	7,508	-	-	Direct
Jul 1, 2025	MCRB Seres Therapeutics, Inc.	Award(A) Stock Option (right to buy)	11,470	-	-	Direct
Apr 10, 2025	MCRB Seres Therapeutics, Inc.	Award(A) Stock Option (right to buy)	100,000	-	-	Direct

1-4 of 4 transactions

About Berenson Stephen

Berenson Stephen (SEC CIK 0001760671) files insider reports with the SEC as Director of Seres Therapeutics, Inc. (MCRB).

Signal8 holds 4 ownership filings by Berenson Stephen, all Form 4s, filed between Apr 11, 2025 and Jul 10, 2026. Those filings report 4 transactions, from Apr 10, 2025 to Jul 8, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Berenson Stephen's filings is in CAMBRIDGE, MA.

Recent filings by Berenson Stephen

Jul 8, 2026: Grant or award of MCRB derivative securities (Form 4, code A).
Jul 1, 2026: Grant or award of MCRB derivative securities (Form 4, code A).
Jul 1, 2025: Grant or award of MCRB derivative securities (Form 4, code A).
Apr 10, 2025: Grant or award of MCRB derivative securities (Form 4, code A).

Other insiders filing for Seres Therapeutics, Inc. (MCRB)

How to read Form 4 transaction codes