# EDGAR Filing Document

**Accession Number:** 0001563577
**File Stem:** 0001123292-26-000773
**Filing Date:** 2026-5
**Character Count:** 11014
**Document Hash:** 14e25ae6eda23c340874bbd3cd2ccd5e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001123292-26-000773.hdr.sgml**: 20260529

**ACCESSION NUMBER**: 0001123292-26-000773

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260529

**DATE AS OF CHANGE**: 20260529

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Galera Therapeutics, Inc.
- **CENTRAL INDEX KEY:** 0001563577
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 461454898
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91201
- **FILM NUMBER:** 261045677

**BUSINESS ADDRESS:**
- **STREET 1:** 101 LINDENWOOD DRIVE
- **STREET 2:** SUITE 225
- **CITY:** MALVERN
- **STATE:** PA
- **ZIP:** 19355
- **BUSINESS PHONE:** 610-725-1500

**MAIL ADDRESS:**
- **STREET 1:** 101 LINDENWOOD DRIVE
- **STREET 2:** SUITE 225
- **CITY:** MALVERN
- **STATE:** PA
- **ZIP:** 19355
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Emerald Bioventures, LLC
- **CENTRAL INDEX KEY:** 0002020620

**ORGANIZATION NAME:**
- **EIN:** 861870726
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** C/O EMERALD BIOVENTURES, LLC
- **STREET 2:** 555 MADISON AVENUE, SUITE 11D
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** (332) 237-4447

**MAIL ADDRESS:**
- **STREET 1:** C/O EMERALD BIOVENTURES, LLC
- **STREET 2:** 555 MADISON AVENUE, SUITE 11D
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022

## Exhibit 99.1

Exhibit 99.4

#### JOINT FILING AGREEMENT
The undersigned hereby agree that they are filing this Amendment No. 1 to Schedule 13D jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Amendment No. 1 to Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but neither of them is responsible for the completeness or accuracy of the information concerning the other person making the filing, unless such person knows or has reason to believe that such information is inaccurate.

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with each other on behalf of each of them of such Amendment No. 1 to Schedule 13D with respect to the common stock of Galera Therapeutics, Inc. This Joint Filing Agreement shall be included as an exhibit to such Amendment No. 1 to Schedule 13D.

#### EMERALD BIOVENTURES, LLC
By: <u>/s/ Timothy Opler</u>________________

Name: Timothy Opler

Title: Managing Member

By: <u>/s/ Timothy Opler</u>________________

Name: Timothy Opler

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**Galera Therapeutics, Inc.**

*(Name of Issuer)*

**Common stock, par value $0.001 per share (the "Common Stock")**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**Timothy Opler**<br>c/o Emerald Bioventures, LLC<br>555 Madison Avenue, Suite 11D<br>New York NY 10022<br>650-862-3029

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**05/15/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Emerald Bioventures, LLC** | Name of reporting person<br>**Emerald Bioventures, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**61029978.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**61029978.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**61029978.00** | Aggregate amount beneficially owned by each reporting person<br>**61029978.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**30.2%** | Percent of class represented by amount in Row (11)<br>**30.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Timothy Opler** | Name of reporting person<br>**Timothy Opler** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**61029978.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**61029978.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**61029978.00** | Aggregate amount beneficially owned by each reporting person<br>**61029978.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**30.2%** | Percent of class represented by amount in Row (11)<br>**30.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common stock, par value $0.001 per share (the "Common Stock")

**(b) Name of Issuer:**
Galera Therapeutics, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
101 Lindenwood Drive, Suite 225, Malvern, PA, 19355

This Amendment No. 1 to Schedule 13D ("Amendment No. 1") amends and supplements the Schedule 13D filed with the Securities and Exchange Commission by the Reporting Persons on April 27, 2026 ("Original 13D"), relating to the Common Stock of the Issuer. Capitalized terms used in this Amendment No. 1 but not otherwise defined shall have the respective meanings ascribed to them in the Original 13D.

**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.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Item 5(a) of the Original 13D is hereby amended and restated in its entirety as follows: 

As of the date hereof, the Reporting Persons may be deemed to beneficially own 61,029,978 shares of Common Stock, representing approximately 30.2% of the shares of Common Stock outstanding. The percentage set forth in Row 13 is based on an aggregate of 203,268,886 shares of Common Stock outstanding, which reflects (a) 160,429,783 shares of Common Stock outstanding as of May 12, 2026, as reported in the Issuer's Quarterly Report on Form 10 Q filed on May 14, 2026, and (b) 42,839,103 shares of Common Stock issued upon the conversion of the Issuer's Series B Preferred Stock on May 15, 2026, as reported in the Issuer's Current Report on Form 8 K filed on May 15, 2026. Following such conversion, the Reporting Persons beneficially owned an aggregate of 61,029,978 shares of Common Stock.

**(b)**
—

**(c)**
Item 5(a) of the Original 13D is hereby amended and restated in its entirety as follows: 

Except as otherwise set forth herein, the Reporting Persons have not effected any transactions in the Common Stock during the past 60 days of each of May 15, 2026 and the date hereof.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Emerald Bioventures, LLC

**Signature:** /s/ Timothy Opler

**Name/Title:** Timothy Opler, Managing Member

**Date:** 05/29/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Timothy Opler

**Signature:** /s/ Timothy Opler

**Name/Title:** Timothy Opler

**Date:** 05/29/2026