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ISSUER PROFILE · CIK 0001563577 · CUSIP 36338D108

Galera Therapeutics, Inc.GRTX

5 13D/G filings 4 distinct filers 0 insider transactions (365d)
1 STRATEGIC

Post-Filing Returns · across 2 activist filings on this issuer

Median 30d
+103.4%
avg +103.4%
Median 60d
+89.9%
avg +89.9%
Median 90d
+11.1%
avg +11.1%
Median 180d
0.0%
avg 0.0%

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
5
3 SCHEDULE 13D · 1 SCHEDULE 13D/A · 1 SC
Distinct filers
4
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.00
as of 2026-05-29

13D/G Filings Timeline · 5 total

FiledFormFilerStakeSharesIntent
2026-06-11 SCHEDULE 13D Hyare Parvinder Singh 6.65% 13,521,921 view →
2026-05-29 SCHEDULE 13D/A Emerald Bioventures, LLC 30.20% 61,029,978 view →
2026-04-27 SCHEDULE 13D Emerald Bioventures, LLC 26.50% 40,216,160 STRATEGIC view →
2026-04-10 SCHEDULE 13D CHANG NANCY T 5.90% 8,921,543 view →
2024-02-20 SC Sofinnova Venture Partners IX, L.P. view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 6,719 1.00 0.0%
2026-05-15 6,719 1.00 0.0%
2026-04-30 6,719 1.00 -36.8%
2026-04-15 10,629 1.00 +58.2%
2026-03-31 6,719 1.00 0.0%
2026-03-13 6,719 1.00 0.0%
2026-02-27 6,719 1.00 0.0%
2026-02-13 6,719 1.00 0.0%
2026-01-30 6,719 1.00 0.0%
2026-01-15 6,719 1.00 0.0%
2025-12-31 6,719 1.00 +24.6%
2025-12-15 5,393 1.00 -14.5%

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