Henn Matthew R - Insider Non-Derivative Transactions at Seres Therapeutics, Inc. (MCRB) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 15, 2025, Henn Matthew R's relationship to Seres Therapeutics, Inc. (MCRB) is Officer (See Remarks), and currently has 8,784 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other MCRB insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Henn Matthew R - Insider Non-Derivative Transactions of MCRB Common Stock

Henn Matthew R - Insider Non-Derivative Transactions at MCRB

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 16, 2025	Sell -- (Common Stock)	1257	17.3	7527
Nov 16, 2025	M -- (Common Stock)	3998	0	8546
Nov 16, 2025	M -- (Common Stock)	140	0	8686
Nov 16, 2025	M -- (Common Stock)	98	0	8784
Aug 19, 2025	Sell -- (Common Stock)	73	16.65	4548
Aug 16, 2025	M -- (Common Stock)	141	0	4524
Aug 16, 2025	M -- (Common Stock)	97	0	4621
May 17, 2025	Sell -- (Common Stock)	77	7.28	4383
May 16, 2025	M -- (Common Stock)	140	0	4362
May 16, 2025	M -- (Common Stock)	98	0	4460
Feb 19, 2025	Sell -- (Common Stock)	3953	0.81	84443
Feb 16, 2025	M -- (Common Stock)	2813	0	80583
Feb 16, 2025	M -- (Common Stock)	7813	0	88396
Nov 19, 2024	Sell -- (Common Stock)	927	0.54	77770
Nov 16, 2024	M -- (Common Stock)	2812	0	78697
Oct 29, 2024	Sell -- (Common Stock)	3984	0.69	75885
Oct 28, 2024	M -- (Common Stock)	12622	0	79869
Aug 17, 2024	Sell -- (Common Stock)	923	0.84	67247
Aug 16, 2024	M -- (Common Stock)	2813	0	68170
May 16, 2024	Sell -- (Common Stock)	891	0.94	65357
May 16, 2024	M -- (Common Stock)	2812	0	66248
Feb 17, 2024	Sell -- (Common Stock)	4170	1.08	63436
Feb 16, 2024	M -- (Common Stock)	11250	0	67606
Oct 31, 2023	Sell -- (Common Stock)	3886	1.35	56356
Oct 28, 2023	M -- (Common Stock)	12623	0	60242