Gossamer Bio, Inc.

NasdaqGS:GOSS Stock Report

Market Cap: US$194.1m

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
DateValueNameEntityRoleSharesMax Price
24 Jun 24SellUS$1,260Richard ArandaIndividual1,908US$0.66
21 Jun 24BuyUS$250,282Faheem HasnainIndividual372,000US$0.67
18 Jun 24BuyUS$59,110Bryan GiraudoIndividual100,000US$0.59
17 Jun 24BuyUS$15,050Robert SmithIndividual25,000US$0.60
27 Mar 24SellUS$26,773Faheem HasnainIndividual23,172US$1.16
27 Mar 24SellUS$7,431Bryan GiraudoIndividual6,430US$1.16
27 Mar 24SellUS$7,430Christian WaageIndividual6,430US$1.16
18 Mar 24SellUS$5,343Caryn PetersonIndividual4,018US$1.33
18 Mar 24SellUS$5,342Richard ArandaIndividual4,018US$1.33
15 Nov 23BuyUS$25,213Sandra MilliganIndividual32,000US$0.79

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of GOSS?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders7,182,9823.18%
VC/PE Firms31,402,00213.9%
General Public34,663,47615.3%
Institutions152,978,79967.6%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 69.55% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
8%
New Enterprise Associates, Inc.
18,093,034US$15.5m14.2%0.64%
5.88%
Artal Group S.A.
13,308,968US$11.4m0%0.24%
5.2%
The Vanguard Group, Inc.
11,760,251US$10.1m-0.03%no data
4.06%
Octagon Capital Advisors LP
9,187,883US$7.9m0%1.14%
3.56%
Arch Venture Partners, L.P.
8,055,916US$6.9m0%0.56%
3.51%
FMR LLC
7,930,508US$6.8m-3.16%no data
2.77%
Palo Alto Investors LP
6,277,093US$5.4m-1.79%0.69%
2.71%
Samsara BioCapital LLC
6,130,268US$5.3m0%0.61%
2.54%
683 Capital Management, LLC
5,750,000US$4.9m76.9%0.44%
2.47%
Millennium Management LLC
5,597,378US$4.8m-13.8%no data
2.44%
Faheem Hasnain
5,528,366US$4.7m7.21%no data
2.43%
Silverarc Capital Management, LLC
5,500,000US$4.7m-10.3%1.1%
2.43%
T. Rowe Price Group, Inc.
5,494,794US$4.7m90.1%no data
2.43%
Alyeska Investment Group, L.P.
5,487,516US$4.7m0%0.03%
2.42%
Eversept Partners, L.P.
5,484,148US$4.7m-8.51%0.33%
2.2%
Hillhouse Investment Management, Ltd.
4,974,041US$4.3m0%0.04%
1.81%
Citadel Advisors LLC
4,093,836US$3.5m5.65%no data
1.73%
Opaleye Management Inc.
3,910,000US$3.4m60.2%0.47%
1.7%
Monaco Asset Management S.A.M.
3,850,920US$3.3m41.3%1.38%
1.68%
Deutsche Asset & Wealth Management
3,807,661US$3.3m0%no data
1.59%
Acadian Asset Management LLC
3,592,765US$3.1m31.3%0.01%
1.56%
Platinum Investment Management Limited
3,524,908US$3.0m0%0.09%
1.5%
Corient Private Wealth LLC
3,391,483US$2.9m3.64%no data
1.47%
Marshall Wace LLP
3,335,511US$2.9m171%no data
1.44%
Rock Springs Capital Management LP
3,266,960US$2.8m0%0.08%