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SCHEDULE 13D/A Filed 2026-05-29 Event 2026-05-15 SEC 0001123292-26-000773 →

Emerald Bioventures, LLC Galera Therapeutics, Inc. GRTX

Stake: 30.20% Shares: 61,029,978 CUSIP: 36338D108 Class: Common stock, par value $0.001 per share (the "Common Stock")

Item 4 — Purpose of Transaction

Item 4 of the Original 13D is supplemented and amended, as the case may be, as follows: On May 14, 2026, the Issuer provided Emerald with a Notice of Mandatory Conversion of Series B Non-Voting Convertible Preferred Stock (the "Mandatory Conversion Notice") effective May 15, 2026 (the "Mandatory Conversion"). In connection with the Mandatory Conversion, 20,813.8186192892 shares of Series B Preferred Stock held by Emerald were converted into 20,813,818 shares of Common Stock. In lieu of fractional shares to which Emerald was entitled, the Company is required to pay Emerald an amount of cash equal to such fraction multiplied by the closing price of a share of Common Stock on the applicable Trading Market (as defined in the Certificate of Designation) on the date of the Mandatory Conversion, in accordance with Section 6.4.6 of the Certificate of Designation. Following the Mandatory Conversion, the Emerald now holds 61,029,978 shares of Common Stock and no shares of Series B Preferred Stock.

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
5 13D/G filings on this issuer
4 other filings besides this one
Filer Track Record
2 filings by this filer
1 other filing in the data moat
Short Interest · settle 2026-06-30
DTC 1.00
7,365 shares short · +9.6% vs prior

Post-Filing Returns · since 2026-05-15 on GRTX

+1 day
0.0%
+5 days
+1.0%
+30 days
-13.0%
+60 days
+16290.5%
+90 days
+180 days

Anchor price 0.10 on closest trading day on/after 2026-05-15. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on Galera Therapeutics, Inc.

FiledFormFilerStakeShares
2026-06-11 SCHEDULE 13D Hyare Parvinder Singh 6.65% 13,521,921 view →
2026-04-27 SCHEDULE 13D Emerald Bioventures, LLC 26.50% 40,216,160 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 →

Other Filings by Emerald Bioventures, LLC

FiledFormIssuerStakeShares
2026-04-27 SCHEDULE 13D Galera Therapeutics, Inc. GRTX 26.50% 40,216,160 view →

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