Insider · CIK 0001872398

Chung Jane

Reports to the SEC for 2 companies · SOUTH SAN FRANCISCO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001872398

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-03-04	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−788 sh	—	—	0
2026-03-04	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−282 sh	$21.31	−$6,009.42	21,285
2026-03-04	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+788 sh	—	—	21,567
2026-03-02	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+7,750 sh	—	—	23,558
2026-03-02	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)A Award	Director, Chief Executive Officer	AAward	+40K sh	—	—	40,000
2026-03-02	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−7,750 sh	—	—	23,250
2026-03-02	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−2,779 sh	$20.55	−$57.1K	20,779
2026-03-02	STROSUTRO BIOPHARMA, INC. · Stock Option (right to buy)A Award	Director, Chief Executive Officer	AAward	+175K sh	—	—	175,000
2026-03-01	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−688 sh	—	—	688
2026-03-01	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−1,271 sh	$20.47	−$26K	15,808
2026-03-01	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+2,500 sh	—	—	17,079
2026-03-01	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+688 sh	—	—	14,579
2026-03-01	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−2,500 sh	—	—	5,000
2025-12-12	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−894 sh	$8.02	−$7,165.41	13,891
2025-12-12	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+2,500 sh	—	—	14,785
2025-12-12	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−2,500 sh	—	—	5,000
2025-10-15	STROSUTRO BIOPHARMA, INC.P Purchase	Director, Chief Executive Officer	PPurchase	+12.5K sh	$0.80	+$10K	122,850
2025-08-09	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−18.8K sh	—	—	0
2025-08-09	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−6,708 sh	$0.80	−$5,366.4	110,350
2025-08-09	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+18.8K sh	—	—	117,058
2025-04-04	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)A Award	Director, Chief Executive Officer	AAward	+310K sh	—	—	310,000
2025-04-04	STROSUTRO BIOPHARMA, INC. · Stock Option (Right to Buy)A Award	Director, Chief Executive Officer	AAward	+620K sh	—	—	620,000
2025-03-04	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−2,334 sh	$1.42	−$3,314.28	98,308
2025-03-04	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−7,875 sh	—	—	7,875
2025-03-04	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+7,875 sh	—	—	100,642
2025-03-01	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−25K sh	—	—	75,000
2025-03-01	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+6,875 sh	—	—	77,217
2025-03-01	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+25K sh	—	—	102,217
2025-03-01	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−9,450 sh	$1.59	−$15K	92,767
2025-03-01	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−6,875 sh	—	—	13,750
2024-12-01	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+25K sh	—	—	79,262
2024-12-01	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−8,920 sh	$2.69	−$24K	70,342
2024-12-01	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−25K sh	—	—	75,000
2024-08-09	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−18.8K sh	—	—	18,750
2024-08-09	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+18.8K sh	—	—	60,951
2024-08-09	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−6,689 sh	$3.12	−$20.9K	54,262
2024-06-20	VIRXViracta Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+50K sh	—	—	50,000
2024-03-05	STROSUTRO BIOPHARMA, INC. · Restricted Stock Units (RSUs)A Award	Director, Chief Executive Officer	AAward	+100K sh	—	—	100,000
2024-03-05	STROSUTRO BIOPHARMA, INC. · Stock Option (Right to Buy Common Stock)A Award	Director, Chief Executive Officer	AAward	+50K sh	—	—	50,000
2024-03-04	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−2,209 sh	$4.79	−$10.6K	42,201
2024-03-04	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−7,875 sh	—	—	15,750
2024-03-04	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+7,875 sh	—	—	44,410
2024-03-01	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−2,038 sh	$4.95	−$10.1K	36,535
2024-03-01	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−6,875 sh	—	—	20,625
2024-03-01	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+6,875 sh	—	—	38,573
2023-12-01	STROSUTRO BIOPHARMA, INC. · Stock Option (right to buy)A Award	Director, Chief Executive Officer	AAward	+35K sh	—	—	35,000
2023-12-01	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)A Award	Director, Chief Executive Officer	AAward	+100K sh	—	—	100,000
2023-08-09	STROSUTRO BIOPHARMA, INC.M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	+18.8K sh	—	—	38,181
2023-08-09	STROSUTRO BIOPHARMA, INC.F Tax Payment	Director, Chief Executive Officer	FTax Payment	−6,483 sh	$4.22	−$27.4K	31,698
2023-08-09	STROSUTRO BIOPHARMA, INC. · Restricted Stock Unit (RSU)M Exercise/Conversion	Director, Chief Executive Officer	MExercise/Conversion	−18.8K sh	—	—	37,500

Recent filings

Accepted (ET)
Mar 64
Chung Jane0001872398-26-000003
SEC(opens sec.gov)
Mar 34
Chung Jane0001872398-26-000002
SEC(opens sec.gov)
Dec 164
Chung Jane0001872398-25-000005
SEC(opens sec.gov)
Oct 164
Chung Jane0001872398-25-000004
SEC(opens sec.gov)
Aug 264
Chung Jane0001415889-25-023083
SEC(opens sec.gov)

Companies

Address

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

SOUTH SAN FRANCISCO, CA, 94080