Insider · CIK 0001946316

Samayoa Phillip

Reports to the SEC for 1 company · CAMBRIDGE, MA

sec.gov

Transactions

Companies

Filings

CIK

0001946316

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2025-10-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+114 sh	—	—	14,172
2025-10-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−34 sh	$6.71	−$228.14	14,138
2025-10-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−114 sh	—	—	573
2025-07-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+1,147 sh	—	—	140,925
2025-07-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−337 sh	$0.43	−$143.562	140,588
2025-07-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−1,147 sh	—	—	6,876
2025-04-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+1,147 sh	—	—	128,856
2025-04-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−337 sh	$0.37	−$123.949	128,519
2025-04-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−1,147 sh	—	—	8,023
2025-01-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+1,147 sh	—	—	128,107
2025-01-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−398 sh	$0.89	−$353.424	127,709
2025-01-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−1,147 sh	—	—	9,170
2025-01-10	GBIOGeneration Bio Co. · Stock Option (right to buy)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+251K sh	—	—	251,030
2024-10-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+1,147 sh	—	—	122,434
2024-10-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−337 sh	$2.42	−$815.54	122,097
2024-10-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−1,147 sh	—	—	10,317
2024-07-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+1,147 sh	—	—	121,624
2024-07-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−337 sh	$2.93	−$987.41	121,287
2024-07-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−1,147 sh	—	—	11,464
2024-04-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+1,147 sh	—	—	114,095
2024-04-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−337 sh	$3.70	−$1,246.9	113,758
2024-04-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−1,147 sh	—	—	12,611
2024-01-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+4,125 sh	—	—	111,381
2024-01-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−1,430 sh	$1.91	−$2,731.3	109,951
2024-01-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+4,587 sh	—	—	114,538
2024-01-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−1,590 sh	$1.91	−$3,036.9	112,948
2024-01-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−4,125 sh	—	—	0
2024-01-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−4,587 sh	—	—	13,758
2024-01-02	GBIOGeneration Bio Co.S Sale	CHIEF SCIENTIFIC OFFICER	SSale	−2,445 sh	$1.62	−$3,960.9	107,256
2024-01-02	GBIOGeneration Bio Co. · Stock Option (right to buy)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+161K sh	—	—	160,650
2023-12-01	GBIOGeneration Bio Co. · Stock Option (right to buy)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+76.3K sh	—	—	76,310
2023-10-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+4,125 sh	—	—	108,467
2023-10-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−1,211 sh	$3.24	−$3,923.64	107,256
2023-10-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−4,125 sh	—	—	4,125
2023-07-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+4,125 sh	—	—	105,553
2023-07-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−1,211 sh	$5.08	−$6,151.88	104,342
2023-07-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−4,125 sh	—	—	8,250
2023-07-03	GBIOGeneration Bio Co.S Sale	CHIEF SCIENTIFIC OFFICER	SSale	−3,116 sh	$5.29	−$16.5K	101,428
2023-04-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+4,125 sh	—	—	102,639
2023-04-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−1,211 sh	$4.50	−$5,449.5	101,428
2023-04-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−4,125 sh	—	—	12,375
2023-01-20	GBIOGeneration Bio Co. · Stock Option (right to buy)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+36.7K sh	—	—	36,691
2023-01-20	GBIOGeneration Bio Co. · Restricted Stock UnitsA Award	CHIEF SCIENTIFIC OFFICER	AAward	+18.3K sh	—	—	18,345
2023-01-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+4,125 sh	—	—	99,944
2023-01-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−1,430 sh	$5.10	−$7,293	98,514
2023-01-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−4,125 sh	—	—	16,500
2023-01-09	GBIOGeneration Bio Co.S Sale	CHIEF SCIENTIFIC OFFICER	SSale	−1,865 sh	$5.11	−$9,530.15	95,819
2022-10-15	GBIOGeneration Bio Co.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+4,125 sh	—	—	97,030
2022-10-15	GBIOGeneration Bio Co.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−1,211 sh	$5.61	−$6,793.71	95,819
2022-10-15	GBIOGeneration Bio Co. · Restricted Stock UnitsM Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−4,125 sh	—	—	20,625

Recent filings

Accepted (ET)
Oct 174
Samayoa Phillip0001946316-25-000004
SEC(opens sec.gov)
Jul 174
Samayoa Phillip0001415889-25-019921
SEC(opens sec.gov)
Apr 174
Samayoa Phillip0001415889-25-010860
SEC(opens sec.gov)
Jan 174
Samayoa Phillip0001415889-25-001680
SEC(opens sec.gov)
Jan 144
Samayoa Phillip0001415889-25-001416
SEC(opens sec.gov)
Oct 174
Samayoa Phillip0001415889-24-025337
SEC(opens sec.gov)
Jul 174
Samayoa Phillip0001415889-24-019649
SEC(opens sec.gov)
Apr 174
Samayoa Phillip0001415889-24-011042
SEC(opens sec.gov)

Companies

Generation Bio Co.CHIEF SCIENTIFIC OFFICERGBIO

Address

C/O GENERATION BIO CO. 301 BINNEY STREET, SUITE 401

CAMBRIDGE, MA, 02142