Insider · CIK 0001992979

Gerber Hans-Peter

Reports to the SEC for 1 company · SOUTH SAN FRANCISCO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001992979

Forms 4 and 5

Insider transactions

28 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-18	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+3,750 sh	—	—	13,712
2026-09-18	STROSUTRO BIOPHARMA, INC.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−1,345 sh	$15.34	−$20.6K	12,367
2026-09-18	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−3,750 sh	—	—	3,750
2026-03-02	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+2,843 sh	—	—	10,688
2026-03-02	STROSUTRO BIOPHARMA, INC.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−1,170 sh	$20.55	−$24K	9,518
2026-03-02	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−2,843 sh	—	—	8,532
2026-03-02	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+5,000 sh	—	—	5,000
2026-03-02	STROSUTRO BIOPHARMA, INC. · Stock Option (right to buy)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+40K sh	—	—	40,000
2026-03-01	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+1,125 sh	—	—	8,308
2026-03-01	STROSUTRO BIOPHARMA, INC.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−463 sh	$20.47	−$9,477.61	7,845
2026-03-01	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−1,125 sh	—	—	2,250
2025-12-23	STROSUTRO BIOPHARMA, INC. · Stock Option (right to buy)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+7,925 sh	—	—	7,925
2025-10-15	STROSUTRO BIOPHARMA, INC.P Purchase	CHIEF SCIENTIFIC OFFICER	PPurchase	+17K sh	$0.80	+$13.6K	71,832
2025-09-18	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+37.5K sh	—	—	68,249
2025-09-18	STROSUTRO BIOPHARMA, INC.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−13.4K sh	$0.90	−$12.1K	54,832
2025-09-18	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−37.5K sh	—	—	75,000
2025-04-04	STROSUTRO BIOPHARMA, INC. · Stock Option (Right to Buy)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+123K sh	—	—	122,500
2025-04-04	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+114K sh	—	—	113,750
2025-03-01	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+11.3K sh	—	—	35,370
2025-03-01	STROSUTRO BIOPHARMA, INC.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−4,621 sh	$1.59	−$7,347.39	30,749
2025-03-01	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−11.3K sh	—	—	33,750
2024-09-18	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	+37.5K sh	—	—	37,500
2024-09-18	STROSUTRO BIOPHARMA, INC.F Tax Payment	CHIEF SCIENTIFIC OFFICER	FTax Payment	−13.4K sh	$3.95	−$52.9K	24,120
2024-09-18	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)M Exercise/Conversion	CHIEF SCIENTIFIC OFFICER	MExercise/Conversion	−37.5K sh	—	—	112,500
2024-03-05	STROSUTRO BIOPHARMA, INC. · Stock Option (Right to Buy Common Stock)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+60K sh	—	—	60,000
2024-03-05	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+45K sh	—	—	45,000
2023-09-18	STROSUTRO BIOPHARMA, INC. · Stock Option (right to buy)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+175K sh	—	—	175,000
2023-09-18	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)A Award	CHIEF SCIENTIFIC OFFICER	AAward	+150K sh	—	—	150,000

Recent filings

Accepted (ET)
Sep 224
Gerber Hans-Peter0001992979-26-000004
SEC(opens sec.gov)
Mar 34
Gerber Hans-Peter0001992979-26-000002
SEC(opens sec.gov)
Dec 294
Gerber Hans-Peter0001992979-25-000006
SEC(opens sec.gov)
Oct 164
Gerber Hans-Peter0001992979-25-000004
SEC(opens sec.gov)
Sep 224
Gerber Hans-Peter0001992979-25-000003
SEC(opens sec.gov)
Apr 84
Gerber Hans-Peter0001415889-25-010384
SEC(opens sec.gov)
Mar 44
Gerber Hans-Peter0001415889-25-006696
SEC(opens sec.gov)

Companies

SUTRO BIOPHARMA, INC.CHIEF SCIENTIFIC OFFICERSTRO

Address

C/O SUTRO BIOPHARMA, INC. 111 OYSTER POINT BLVD.

SOUTH SAN FRANCISCO, CA, 94080