Teresa L. Young Seres Therapeutics, Inc. (MCRB) insider trading activity

Teresa L. Young is of Seres Therapeutics, Inc.. Currently has a direct ownership of 5,215 shares of MCRB, which is worth approximately $97,468. The most recent transaction as insider was on Aug 18, 2025, when has been sold 59 shares (Common Stock) at a price of $16.65 per share, resulting in proceeds of $982. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 5.22K

3.39% 3M change

93.49% 12M change

Total Value Held $97,468

Teresa L. Young Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Aug 18 2025	SELL Open market or private sale	$982 $16.65 p/Share	59 Reduced 1.12%	5,215 Common Stock
Aug 15 2025	BUY Exercise of conversion of derivative security	-	230 Added 4.18%	5,274 Common Stock
May 16 2025	SELL Open market or private sale	$458 $7.28 p/Share	63 Reduced 1.23%	5,044 Common Stock
May 15 2025	BUY Exercise of conversion of derivative security	-	231 Added 4.33%	5,107 Common Stock
Feb 18 2025	SELL Open market or private sale	$2,703 $0.81 p/Share	3,338 Reduced 3.31%	97,536 Common Stock
Feb 15 2025	BUY Exercise of conversion of derivative security	-	10,470 Added 9.4%	100,874 Common Stock
Nov 18 2024	SELL Open market or private sale	$396 $0.54 p/Share	735 Reduced 0.81%	90,404 Common Stock
Nov 15 2024	BUY Exercise of conversion of derivative security	-	2,656 Added 2.83%	91,139 Common Stock
Oct 28 2024	SELL Open market or private sale	$2,058 $0.69 p/Share	2,983 Reduced 3.26%	88,483 Common Stock
Oct 27 2024	BUY Exercise of conversion of derivative security	-	11,360 Added 11.05%	91,466 Common Stock
Aug 16 2024	SELL Open market or private sale	$611 $0.84 p/Share	728 Reduced 0.9%	80,106 Common Stock
Aug 15 2024	BUY Exercise of conversion of derivative security	-	2,656 Added 3.18%	80,834 Common Stock
Aug 05 2024	SELL Open market or private sale	$26,438 $1.08 p/Share	24,480 Reduced 23.85%	78,178 Common Stock
Aug 03 2024	BUY Exercise of conversion of derivative security	-	85,000 Added 45.3%	102,658 Common Stock
May 15 2024	SELL Open market or private sale	$660 $0.94 p/Share	703 Reduced 3.83%	17,658 Common Stock
May 15 2024	BUY Exercise of conversion of derivative security	-	2,656 Added 12.64%	18,361 Common Stock
Feb 16 2024	SELL Open market or private sale	$3,643 $1.08 p/Share	3,374 Reduced 17.68%	15,705 Common Stock
Feb 15 2024	BUY Exercise of conversion of derivative security	-	10,625 Added 35.77%	19,079 Common Stock
Oct 30 2023	SELL Open market or private sale	$3,924 $1.35 p/Share	2,907 Reduced 25.59%	8,454 Common Stock
Oct 27 2023	BUY Exercise of conversion of derivative security	-	11,361 Added 50.0%	11,361 Common Stock

TLY

Teresa L. Young

Cambridge, MA

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