# EDGAR Filing Document

**Accession Number:** 0001907184
**File Stem:** 0001132716-25-000017
**Filing Date:** 2025-7
**Character Count:** 9416
**Document Hash:** 859b0abcad797d813cbd660c31707ab9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001132716-25-000017.hdr.sgml**: 20250725

**ACCESSION NUMBER**: 0001132716-25-000017

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D

**PUBLIC DOCUMENT COUNT**: 4

**FILED AS OF DATE**: 20250725

**DATE AS OF CHANGE**: 20250725

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Electra Battery Materials Corp
- **CENTRAL INDEX KEY:** 0001907184
- **STANDARD INDUSTRIAL CLASSIFICATION:** MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** A6
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-93982
- **FILM NUMBER:** 251149030

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** SUITE 3200, BAY ADELAIDE CENTRE
- **STREET 2:** 40 TEMPERANCE ST.
- **CITY:** TORONTO
- **PROVINCE COUNTRY:** A6
- **ZIP:** M5H 0B4
- **BUSINESS PHONE:** 416-900-3891

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** ELECTRA HEAD OFFICE
- **STREET 2:** 133 RICHMOND STREET W, SUITE 602
- **CITY:** TORONTO
- **PROVINCE COUNTRY:** A6
- **ZIP:** M5H 2L3
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)
- **CENTRAL INDEX KEY:** 0001132716

**ORGANIZATION NAME:**
- **EIN:** 061569842
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **STREET 1:** ONE NORTH WACKER DRIVE 31ST FLOOR
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
- **BUSINESS PHONE:** 3125256000

**MAIL ADDRESS:**
- **STREET 1:** ONE NORTH WACKER DRIVE 31ST FLOOR
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** UBS OCONNOR LLC
- **DATE OF NAME CHANGE:** 20010118

### Attached PDF Documents

**Attachment 1:** `Items_1-7_Full_Details.pdf`

_No text found in this document._

**Attachment 2:** `APPENDIX_A.pdf`

_No text found in this document._

**Attachment 3:** `APPENDIX_B.pdf`

_No text found in this document._

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**Electra Battery Materials Corp**

*(Name of Issuer)*

**Common Shares, no par value**

*(Title of Class of Securities)*

**28474P706**

*(CUSIP Number)*

**Charles Mathys**<br>One North Wacker Drive<br>Chicago IL 60606<br>(312) 525-4114

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

**07/21/2025**

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

| **CUSIP No.** | **28474P706** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)** | Name of reporting person<br>**OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (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>**918210.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**918210.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**918210.00** | Aggregate amount beneficially owned by each reporting person<br>**918210.00** | |
| 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>**4.9%** | Percent of class represented by amount in Row (11)<br>**4.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IA** | Type of Reporting Person (See Instructions)<br>**IA** | |

---

**Comment for Reporting Person:** Voting and dispositive power includes an aggregate 776,810 obtainable upon the exercise of the Warrants (as defined herein) and the conversion of the Notes (as defined herein) beneficially owned by the Reporting Person, with each subject to the Blockers (as defined herein).
Percent of class is calculated based on (i) 17,962,173 Common Shares outstanding as of June 25, 2025, as disclosed on the Issuer's registration statement on Form F-3 filed the SEC on June 27, 2025, plus (ii) an aggregate 776,810 Common Shares obtainable upon the exercise of the Warrants and the conversion of the Notes beneficially owned by the Reporting Person, which Common Shares have been added to the total Common Shares outstanding pursuant to Rule 13d-3(d)(1)(i) under the Act.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Shares, no par value

**(b) Name of Issuer:**
Electra Battery Materials Corp

**(c) Address of Issuer's Principal Executive Offices:**
SUITE 3200, BAY ADELAIDE CENTRE, 40 TEMPERANCE ST., TORONTO, A6, M5H 0B4

**Item 4. Purpose of Transaction**

The Reporting Person originally acquired the securities reported herein for investment purposes in the ordinary course of business and not with the purpose, nor with the effect, of changing or influencing the control or management of the Issuer.

See attached Exhibit 'Items_1_through_7_Full_Details' for complete description.

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

**(a)**
See attached Exhibit 'Items 1 through 7 Full Details' for complete description.

**(b)**
The information contained in rows (7) through (10) of the cover page to this Schedule 13D is incorporated herein by reference in its entirety.

**(c)**
All transactions in the Common Shares effected by the Reporting Person during the past sixty (60) days, which were all in the open market, are set forth in Appendix B, and are incorporated herein by reference.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

The information set forth in Item 4 is incorporated herein by reference.
The Reporting Person currently beneficially owns the following securities:
(i)	141,400 Common Shares;
(ii)	$11,463,000 principal amount of the Notes issued under that certain Indenture, dated as of February 13, 2023, by and between, the Issuer, the guarantors party thereto, and GLAS Trust Company LLC, as Trustee and Collateral Trustee, attached as Exhibit 99.2 to the Report of Foreign Private Issuer on Form 6-K filed with the SEC on February 14, 2023, which has been supplemented by that certain Supplemental Indenture, dated as of November 27, 2024, by and between, the Issuer, the guarantors party thereto, and GLAS Trust Company LLC, as Trustee and Collateral Trustee, attached as in Exhibit 99.2 to the Report of Foreign Private Issuer on Amended Form 6-K/A filed with the SEC on November 27, 2024;
(iii)	2025 Warrants to purchase 75,000 Common Shares issued pursuant to that certain Warrant Indenture, dated as of November 15, 2022, by and between the Issuer and TSX Trust Company, attached as Exhibit 99.1 to the Report of Foreign Private Issuer on Form 6 K filed with the SEC on November 15, 2022; and
(iv)	2028 Warrants to purchase 555,679 Common Shares issued pursuant to that certain Warrant Indenture, dated as of February 13, 2023, by and between the Issuer and TSX Trust Company, attached as Exhibit 99.2 to the Report of Foreign Private Issuer on Form 6 K filed with the SEC on February 14, 2023, which has been supplemented by (x) that certain First Supplemental Indenture, dated as of January 12, 2024, by and between the Issuer and TSX Trust Company attached as Exhibit 2.4 to the Issur Annual Report on Form 20-F for the fiscal year ended December 31, 2024 filed with the SEC on April 24, 2025 and (y) that certain Second Supplemental Indenture, dated as of November 27, 2024, by and between the Issuer and TSX Trust Company attached as Exhibit 2.5 to the Issur Annual Report on Form 20-F for the fiscal year ended December 31, 2024 filed with the SEC on April 24, 2025.

See attached Exhibit 'Items_1_through_7_Full_Details' for complete description.

### 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:** OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)

**Signature:** /s/ Charles Mathys

**Name/Title:** Charles Mathys Chief Compliance Officer OConnor

**Date:** 07/24/2025