Gossamer Bio Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:GOSS Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
27 Mar 24	SellUS$26,773	Faheem Hasnain	Individual	23,172	US$1.16
27 Mar 24	SellUS$7,431	Bryan Giraudo	Individual	6,430	US$1.16
27 Mar 24	SellUS$7,430	Christian Waage	Individual	6,430	US$1.16
18 Mar 24	SellUS$5,343	Caryn Peterson	Individual	4,018	US$1.33
18 Mar 24	SellUS$5,342	Richard Aranda	Individual	4,018	US$1.33
15 Nov 23	BuyUS$25,213	Sandra Milligan	Individual	32,000	US$0.79
13 Nov 23	BuyUS$112,880	Bryan Giraudo	Individual	200,000	US$0.56
24 Jul 23	BuyUS$20,000,612	New Enterprise Associates, Inc.	Company	12,260,536	US$1.63
22 Jun 23	SellUS$2,340	Richard Aranda	Individual	1,814	US$1.29

Insider Buying: GOSS insiders have only sold shares in the past 3 months.

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 137.2%.

Top 25 shareholders own 74.66% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7%	New Enterprise Associates, Inc.	15,838,009	US$11.7m	0.7%	0.63%
5.42%	FMR LLC	12,263,918	US$9.1m	1,820%	no data
5.33%	Artal Group S.A.	12,058,968	US$8.9m	88.4%	0.24%
5.14%	The Vanguard Group, Inc.	11,635,634	US$8.6m	3.26%	no data
4.06%	EcoR1 Capital, LLC	9,195,404	US$6.8m	0%	0.2%
4.06%	Octagon Capital Advisors LP	9,187,883	US$6.8m	12.2%	1.14%
3.56%	Arch Venture Partners, L.P.	8,055,916	US$6.0m	0%	0.41%
3.07%	Platinum Investment Management Limited	6,954,110	US$5.1m	29.8%	0.14%
2.84%	Eversept Partners, L.P.	6,432,715	US$4.8m	45.3%	0.37%
2.71%	Citadel Advisors LLC	6,140,232	US$4.5m	-0.45%	no data
2.71%	Farallon Capital Management, L.L.C.	6,130,272	US$4.5m	0%	0.03%
2.71%	Silverarc Capital Management, LLC	6,130,268	US$4.5m	0%	1.25%
2.71%	Samsara BioCapital LLC	6,130,268	US$4.5m	0%	0.81%
2.63%	Palo Alto Investors LP	5,958,888	US$4.4m	-8.75%	0.46%
2.46%	Morgan Stanley, Investment Banking and Brokerage Investments	5,568,872	US$4.1m	1,330%	no data
2.28%	Faheem Hasnain	5,156,366	US$3.8m	-0.45%	no data
2.23%	Madison Avenue Partners, LP	5,054,472	US$3.7m	-17.6%	0.49%
2.2%	Hillhouse Investment Management, Ltd.	4,974,041	US$3.7m	0%	0.02%
1.87%	Millennium Management LLC	4,224,610	US$3.1m	-40.1%	no data
1.84%	Armistice Capital LLC	4,156,000	US$3.1m	-16.1%	0.07%
1.68%	Deutsche Asset & Wealth Management	3,807,661	US$2.8m	0%	no data
1.63%	T. Rowe Price Group, Inc.	3,695,227	US$2.7m	0%	no data
1.53%	Monashee Investment Management, LLC	3,459,854	US$2.6m	-34.8%	0.42%
1.49%	BlackRock, Inc.	3,378,646	US$2.5m	-24.4%	no data
1.47%	683 Capital Management, LLC	3,314,700	US$2.5m	92%	0.21%