13D·WATCH Activist + Insider Intelligence Live feed Blog About Pilot
ISSUER PROFILE · CIK 0001728117 · CUSIP 38341P102

Gossamer Bio, Inc.GOSS

4 13D/G filings 4 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
4
1 SCHEDULE 13D · 3 SCHEDULE 13G
Distinct filers
4
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
2.84
as of 2026-05-29

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $388K
Point72 Asset Mgmt

13D/G Filings Timeline · 4 total

FiledFormFilerStakeSharesIntent
2026-06-11 SCHEDULE 13D D. E. SHAW & CO, L.P. 9.50% 43,915,249 view →
2026-06-11 SCHEDULE 13G DeepCurrents Investment Group LLC view →
2026-06-11 SCHEDULE 13G 683 Capital Management, LLC view →
2026-06-09 SCHEDULE 13G Context Capital Management, LLC view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 62,815,917 2.84 +53.8%
2026-05-15 40,838,667 11.48 +2.0%
2026-04-30 40,018,309 7.65 -0.4%
2026-04-15 40,196,107 4.85 +7.2%
2026-03-31 37,500,300 2.75 +2.4%
2026-03-13 36,622,286 2.70 +5.5%
2026-02-27 34,715,538 1.00 +11.7%
2026-02-13 31,092,342 5.10 +16.1%
2026-01-30 26,779,236 5.68 +6.2%
2026-01-15 25,222,443 5.43 +4.6%
2025-12-31 24,114,833 4.66 +18.7%
2025-12-15 20,310,911 5.73 -13.3%

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