JANE STREET GROUP, LLC

CIK

0001595888

City

NEW YORK

State / Country

Stock

GOSS — Gossamer Bio, Inc.

Holdings in GOSS

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2025-12-31	$47,430	15,300	-90.2%	Shares	Defined	2026-02-12
2025-12-31	$482,331	155,591	-58.0%	Shares	Defined	2026-02-12
2025-12-31	$1,147,310	370,100	+1714.2%	Shares	Defined	2026-02-12
2025-09-30	$53,652	20,400	-97.1%	Shares	Defined	2025-11-14
2025-09-30	$1,846,430	702,065	+96.7%	Shares	Defined	2025-11-14
2025-09-30	$938,647	356,900	+593.0%	Shares	Defined	2025-11-14
2025-06-30	$63,345	51,500	-92.5%	Shares	Defined	2025-08-14
2025-03-31	$751,764	683,423	+5250.1%	Shares	Defined	2025-05-19
2024-12-31	$11,560	12,774	-86.3%	Shares	Defined	2025-02-14
2024-06-30	$84,111	93,354	-71.0%	Shares	Defined	2024-08-15
2024-03-31	$380,349	322,330	+45.3%	Shares	Defined	2024-05-16
2023-12-31	$202,506	221,803	+1496.7%	Shares	Defined	2024-02-15
2023-09-30	$11,571	13,891	-95.8%	Shares	Defined	2023-11-15
2023-06-30	$398,080	331,734	-74.3%	Shares	Defined	2023-08-14
2023-03-31	$1,626,841	1,291,144	+1266.7%	Shares	Defined	2023-05-16
2022-12-31	$205,004	94,472	-34.8%	Shares	Defined	2023-02-15
2022-09-30	$1,735,794	144,891	+51.4%	Shares	Defined	2022-11-15
2022-06-30	$800,983	95,697	+202.0%	Shares	Defined	2022-08-16
2022-03-31	$275,077	31,691	+13.3%	Shares	Defined	2022-05-17
2021-12-31	$316,284	27,965	-41.7%	Shares	Defined	2022-02-15
2021-09-30	$603,372	48,001	+137.4%	Shares	Defined	2021-11-16
2021-06-30	$164,162	20,217	-37.8%	Shares	Defined	2021-08-16
2020-12-31	$314,129	32,485	+83.5%	Shares	Defined	2021-02-17
2020-09-30	$219,657	17,700	-54.0%	Shares	Defined	2020-11-17
2020-09-30	$477,660	38,490	-16.7%	Shares	Defined	2020-11-17
2020-06-30	$600,600	46,200	—	Shares	Defined	2020-08-17