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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13D/A 0001132716-25-000017 0001132716 XXXXXXXX LIVE 2 Common Shares, no par value 09/17/2025 false 0001907184 28474P706 Electra Battery Materials Corp SUITE 3200, BAY ADELAIDE CENTRE SUITE 3200, BAY ADELAIDE CENTRE TORONTO A6 M5H 0B4 Charles Mathys (312) 525-4114 One North Wacker Drive Chicago IL 60606 0001132716 N OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) b OO N DE 918210.00 0.00 918210.00 0.00 918210.00 N 4.9 IA Voting and dispositive power includes an aggregate 776,810 obtainable upon the exercise of the Warrants and the conversion of the Notes beneficially owned by the Reporting Person, with each subject to the Blockers. Percent of class is calculated based on (i) 17,962,173 Common Shares outstanding as of August 15, 2025, as disclosed on the Issuer's Report of Foreign Private Issuer filed the SEC on August 15, 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. Common Shares, no par value Electra Battery Materials Corp SUITE 3200, BAY ADELAIDE CENTRE SUITE 3200, BAY ADELAIDE CENTRE TORONTO A6 M5H 0B4 This Amendment No. 2 (the 'Amendment') amends and supplements the Schedule 13D filed by the Reporting Person on July 25, 2025 (as amended and supplemented by Amendment No. 1, the 'Original Schedule 13D'), with respect to the Common Shares. Capitalized terms used in this Amendment and not otherwise defined shall have the same meanings ascribed to them in the Original Schedule 13D. Except as specifically provided herein, this Amendment does not modify any of the information previously reported in the Original Schedule 13D. Item 3 of the Original Schedule 13D is hereby amended and supplemented by including the information set forth in Item 4 of this Amendment. See attached Exhibit 'Items_1_through_7_Full_Details' for complete description. Item 6 of the Original Schedule 13D is hereby amended and supplemented by including the information set forth in Item 4 of this Amendment. See attached Exhibit 'Items_1_through_7_Full_Details' for complete description. OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) /s/ Charles Mathys Charles Mathys, Chief Compliance Officer 09/18/2025