DesRosier Thomas - 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, DesRosier Thomas's relationship to Seres Therapeutics, Inc. (MCRB) is Officer (See Remarks), and currently has 7,699 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.

DesRosier Thomas - Insider Non-Derivative Transactions of MCRB Common Stock

DesRosier Thomas - 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	M -- (Common Stock)	132	0	7587
Nov 16, 2025	Sell -- (Common Stock)	76	17.3	7623
Nov 16, 2025	M -- (Common Stock)	112	0	7699
Aug 19, 2025	Sell -- (Common Stock)	76	16.65	7455
Aug 16, 2025	M -- (Common Stock)	133	0	7420
Aug 16, 2025	M -- (Common Stock)	111	0	7531
May 16, 2025	M -- (Common Stock)	133	0	7255
May 16, 2025	Sell -- (Common Stock)	79	7.28	7287
May 16, 2025	M -- (Common Stock)	111	0	7366
Feb 19, 2025	Sell -- (Common Stock)	4300	0.81	142456
Feb 16, 2025	M -- (Common Stock)	2657	0	137849
Feb 16, 2025	M -- (Common Stock)	8907	0	146756
Nov 19, 2024	Sell -- (Common Stock)	878	0.54	135192
Nov 16, 2024	M -- (Common Stock)	2656	0	136070
Oct 29, 2024	Sell -- (Common Stock)	4259	0.69	133414
Oct 28, 2024	M -- (Common Stock)	13500	0	137673
Aug 17, 2024	Sell -- (Common Stock)	873	0.84	124173
Aug 16, 2024	M -- (Common Stock)	2656	0	125046
May 16, 2024	Sell -- (Common Stock)	843	0.94	122390
May 16, 2024	M -- (Common Stock)	2656	0	123233
Feb 17, 2024	Sell -- (Common Stock)	3939	1.08	120577
Feb 16, 2024	M -- (Common Stock)	10625	0	124516
Oct 31, 2023	Sell -- (Common Stock)	4156	1.35	113891
Oct 28, 2023	M -- (Common Stock)	13501	0	118047