683 Capital Management, LLC 13D/13G Filings for Gossamer Bio, Inc. (GOSS)

683 Capital Management, LLC 13D and 13G filings for Gossamer Bio, Inc.:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Shares have been adjusted for stock splits.
Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-06-11
4:54 pm
Purchase
2026-06-0413GGOSSAMER BIO INC
GOSS
683 Capital Management, LLC49,868,571
9.990%
40,537,267increase
(+434.42%)
Filing
2026-03-24
4:48 pm
Sale
2026-03-1813GGOSSAMER BIO INC
GOSS
683 Capital Management, LLC9,331,304
3.900%
-3,000,000decrease
(-24.33%)
Filing
2026-03-02
11:57 am
Purchase
2026-02-2313GGOSSAMER BIO INC
GOSS
683 Capital Management, LLC12,331,304
5.230%
12,331,304increase
(New Position)
Filing