Insider · CIK 0001830668

Zimmermann Tracy

Reports to the SEC for 2 companies · CAMBRIDGE, MA

sec.gov

Transactions

Companies

Filings

CIK

0001830668

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2024-01-29	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+5,021 sh	—	—	50,640
2024-01-29	GBIOGeneration Bio Co.F Tax Payment	CHIEF DEVELOPMENT OFFICER	FTax Payment	−1,476 sh	$1.90	−$2,804.4	49,164
2024-01-29	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−5,021 sh	—	—	0
2024-01-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+7,437 sh	—	—	43,822
2024-01-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF DEVELOPMENT OFFICER	FTax Payment	−2,577 sh	$1.91	−$4,922.07	41,245
2024-01-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+6,694 sh	—	—	47,939
2024-01-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF DEVELOPMENT OFFICER	FTax Payment	−2,320 sh	$1.91	−$4,431.2	45,619
2024-01-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−7,437 sh	—	—	0
2024-01-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−6,694 sh	—	—	20,081
2023-10-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+7,437 sh	—	—	38,568
2023-10-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF DEVELOPMENT OFFICER	FTax Payment	−2,183 sh	$3.24	−$7,072.92	36,385
2023-10-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−7,437 sh	—	—	7,437
2023-07-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+7,437 sh	—	—	33,314
2023-07-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF DEVELOPMENT OFFICER	FTax Payment	−2,183 sh	$5.08	−$11.1K	31,131
2023-07-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−7,437 sh	—	—	14,874
2023-04-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+7,437 sh	—	—	28,060
2023-04-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF DEVELOPMENT OFFICER	FTax Payment	−2,183 sh	$4.50	−$9,823.5	25,877
2023-04-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−7,437 sh	—	—	22,311
2023-01-20	GBIOGeneration Bio Co. · Stock Option (right to buy)A Award	CHIEF DEVELOPMENT OFFICER	AAward	+53.6K sh	—	—	53,550
2023-01-20	GBIOGeneration Bio Co. · Restricted Stock UnitsA Award	CHIEF DEVELOPMENT OFFICER	AAward	+26.8K sh	—	—	26,775
2023-01-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+7,438 sh	—	—	23,201
2023-01-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF DEVELOPMENT OFFICER	FTax Payment	−2,578 sh	$5.10	−$13.1K	20,623
2023-01-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−7,438 sh	—	—	29,748
2022-10-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+7,438 sh	—	—	17,947
2022-10-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF DEVELOPMENT OFFICER	FTax Payment	−2,184 sh	$5.61	−$12.3K	15,763
2022-10-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−7,438 sh	—	—	37,186
2022-07-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+14.9K sh	—	—	14,876
2022-07-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF DEVELOPMENT OFFICER	FTax Payment	−4,367 sh	$7.18	−$31.4K	10,509
2022-07-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−14.9K sh	—	—	44,624
2022-01-21	GBIOGeneration Bio Co. · Stock Option (right to buy)A Award	CHIEF DEVELOPMENT OFFICER	AAward	+119K sh	—	—	119,000
2022-01-21	GBIOGeneration Bio Co. · Restricted Stock UnitsA Award	CHIEF DEVELOPMENT OFFICER	AAward	+59.5K sh	—	—	59,500
2021-05-03	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+2,500 sh	$4.59	+$11.5K	2,500
2021-05-03	GBIOGeneration Bio Co.S Sale	CHIEF DEVELOPMENT OFFICER	SSale	−1,990 sh	$35.54	−$70.7K	510
2021-05-03	GBIOGeneration Bio Co.S Sale	CHIEF DEVELOPMENT OFFICER	SSale	−510 sh	$36.30	−$18.5K	0
2021-05-03	GBIOGeneration Bio Co. · Stock Option (right to buy)M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−2,500 sh	—	—	86,407
2021-04-22	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+2,500 sh	$4.59	+$11.5K	2,500
2021-04-22	GBIOGeneration Bio Co.S Sale	CHIEF DEVELOPMENT OFFICER	SSale	−2,500 sh	$33.32	−$83.3K	0
2021-04-22	GBIOGeneration Bio Co. · Stock Option (right to buy)M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−2,500 sh	—	—	88,907
2021-03-03	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+3,000 sh	$4.59	+$13.8K	3,000
2021-03-03	GBIOGeneration Bio Co.S Sale	CHIEF DEVELOPMENT OFFICER	SSale	−3,000 sh	$41.38	−$124K	0
2021-03-03	GBIOGeneration Bio Co. · Stock Option (right to buy)M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−3,000 sh	—	—	91,407
2021-03-01	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+2,500 sh	$4.59	+$11.5K	2,500
2021-03-01	GBIOGeneration Bio Co.S Sale	CHIEF DEVELOPMENT OFFICER	SSale	−200 sh	$35.75	−$7,150	2,300
2021-03-01	GBIOGeneration Bio Co.S Sale	CHIEF DEVELOPMENT OFFICER	SSale	−900 sh	$37.81	−$34K	1,400
2021-03-01	GBIOGeneration Bio Co.S Sale	CHIEF DEVELOPMENT OFFICER	SSale	−200 sh	$38.74	−$7,748	1,200
2021-03-01	GBIOGeneration Bio Co.S Sale	CHIEF DEVELOPMENT OFFICER	SSale	−1,000 sh	$40.03	−$40K	200
2021-03-01	GBIOGeneration Bio Co.S Sale	CHIEF DEVELOPMENT OFFICER	SSale	−200 sh	$40.71	−$8,142	0
2021-03-01	GBIOGeneration Bio Co. · Stock Option (right to buy)M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	−2,500 sh	—	—	94,407
2021-02-02	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF DEVELOPMENT OFFICER	MExercise/Conversion	+2,500 sh	$4.59	+$11.5K	2,500
2021-02-02	GBIOGeneration Bio Co.S Sale	CHIEF DEVELOPMENT OFFICER	SSale	−2,500 sh	$33.05	−$82.6K	0

Recent filings

Accepted (ET)
Jan 314
Zimmermann Tracy0001415889-24-002074
SEC(opens sec.gov)
Jan 174
Zimmermann Tracy0001415889-24-001335
SEC(opens sec.gov)
Oct 174
Zimmermann Tracy0001415889-23-014360
SEC(opens sec.gov)
Jul 184
Zimmermann Tracy0001415889-23-011235
SEC(opens sec.gov)
Apr 184
Zimmermann Tracy0001415889-23-006601
SEC(opens sec.gov)
Jan 244
Zimmermann Tracy0001415889-23-001361
SEC(opens sec.gov)

Companies

Address

399 BINNEY STREET

CAMBRIDGE, MA, 02142