Insider · CIK 0001814656

Young Teresa L.

Reports to the SEC for 1 company · CAMBRIDGE, MA

sec.gov

Transactions

Companies

Filings

CIK

0001814656

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-02-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+231 sh	—	—	8,632
2026-02-15	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−75 sh	$8.47	−$635.25	8,557
2026-02-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−133 sh	—	—	531
2026-02-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−98 sh	—	—	780
2025-11-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+3,998 sh	—	—	9,213
2025-11-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+132 sh	—	—	9,345
2025-11-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+98 sh	—	—	9,443
2025-11-15	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−1,042 sh	$17.30	−$18K	8,401
2025-11-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−3,998 sh	—	—	0
2025-11-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−132 sh	—	—	664
2025-11-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−98 sh	—	—	878
2025-09-26	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsA Award	See Remarks	AAward	+3,998 sh	—	—	3,998
2025-08-18	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−59 sh	$16.65	−$982.35	5,215
2025-08-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+133 sh	—	—	5,177
2025-08-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+97 sh	—	—	5,274
2025-08-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−133 sh	—	—	796
2025-08-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−97 sh	—	—	976
2025-05-16	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−63 sh	$7.28	−$458.64	5,044
2025-05-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+133 sh	—	—	5,009
2025-05-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+98 sh	—	—	5,107
2025-05-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−133 sh	—	—	929
2025-05-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−98 sh	—	—	1,073
2025-02-18	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−3,338 sh	$0.81	−$2,704.448	97,536
2025-02-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+2,657 sh	—	—	93,061
2025-02-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+7,813 sh	—	—	100,874
2025-02-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−2,657 sh	—	—	21,250
2025-02-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−7,813 sh	—	—	23,437
2025-02-07	MCRBSeres Therapeutics, Inc. · Stock Option (Right to Buy)A Award	See Remarks	AAward	+650K sh	—	—	650,000
2024-11-18	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−735 sh	$0.54	−$397.635	90,404
2024-11-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+2,656 sh	—	—	91,139
2024-11-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−2,656 sh	—	—	23,907
2024-10-28	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−2,983 sh	$0.69	−$2,058.568	88,483
2024-10-27	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+11.4K sh	—	—	91,466
2024-10-27	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−11.4K sh	—	—	0
2024-08-16	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−728 sh	$0.84	−$611.52	80,106
2024-08-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+2,656 sh	—	—	80,834
2024-08-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−2,656 sh	—	—	26,563
2024-08-05	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−24.5K sh	$1.08	−$26.5K	78,178
2024-08-03	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+85K sh	—	—	102,658
2024-08-03	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−85K sh	—	—	0
2024-05-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+2,656 sh	—	—	18,361
2024-05-15	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−703 sh	$0.94	−$660.82	17,658
2024-05-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−2,656 sh	—	—	29,219
2024-02-16	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−3,374 sh	$1.08	−$3,643.92	15,705
2024-02-15	MCRBSeres Therapeutics, Inc.M Exercise/Conversion	See Remarks	MExercise/Conversion	+10.6K sh	—	—	19,079
2024-02-15	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsM Exercise/Conversion	See Remarks	MExercise/Conversion	−10.6K sh	—	—	31,875
2024-02-14	MCRBSeres Therapeutics, Inc. · Stock Option (Right to Buy)A Award	See Remarks	AAward	+188K sh	—	—	187,500
2024-02-14	MCRBSeres Therapeutics, Inc. · Stock Option (Right to Buy)A Award	See Remarks	AAward	+288K sh	—	—	287,905
2024-02-14	MCRBSeres Therapeutics, Inc. · Restricted Stock UnitsA Award	See Remarks	AAward	+31.3K sh	—	—	31,250
2023-10-30	MCRBSeres Therapeutics, Inc.S Sale	See Remarks	SSale	−2,907 sh	$1.35	−$3,924.45	8,454

Recent filings

Accepted (ET)
Feb 184
Young Teresa L.0001193125-26-057157
SEC(opens sec.gov)
Nov 184
Young Teresa L.0001193125-25-286236
SEC(opens sec.gov)
Sep 304
Young Teresa L.0001193125-25-225105
SEC(opens sec.gov)
Aug 194
Young Teresa L.0001193125-25-183434
SEC(opens sec.gov)
May 194
Young Teresa L.0000950170-25-074328
SEC(opens sec.gov)

Companies

Seres Therapeutics, Inc.See RemarksMCRB

Address

C/O SERES THERAPEUTICS, INC. 101 CAMBRIDGE PARK DRIVE

CAMBRIDGE, MA, 02140