Ownership signal CIK-linked ownership evidence from parsed SEC filings. 2 signals
Large-stake signal

Form

SCHEDULE 13D/A

Active or control-oriented beneficial ownership filing.

Ownership

9.9%

Beneficial ownership of this reported class.

Shares

1,941,016 shares

Shares beneficially owned as disclosed.

Event date

21 Aug 2025

Date tied to the ownership event or amendment.

Accepted by SEC

25 Aug 2025

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Subject security Names, identifiers, and filing context for this profile. 2 source fields
Symbol
ELBM
Shares outstanding
19,606,222 shares
Source evidence Original filing metadata and source links for verification. 6 source fields
SEC form
SCHEDULE 13D/A
Accepted by SEC
25 Aug 2025, 07:30:37 UTC
Event date
21 Aug 2025
Prior SEC filing
24 Jul 2025
Next SEC filing
18 Sep 2025
Source filing
View source filing

Key filing fact

WHITEBOX ADVISORS LLC disclosed 9.9% ownership in Electra Battery Materials Corp Common Shares, no par value (ELBM) on 21 Aug 2025.

Key facts

  • WHITEBOX ADVISORS LLC filed SCHEDULE 13D/A for Electra Battery Materials Corp Common Shares, no par value (ELBM).
  • Disclosed ownership: 9.9%.
  • Date of event: 21 Aug 2025.

Change

  • Previous schedule filing date: 24 Jul 2025.
  • Current filing was accepted on 25 Aug 2025, 07:30.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

View source filing

Reporting persons

Disclosed reporting parties (2)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
WHITEBOX ADVISORS LLC 9.9% 1,941,016 0 1,941,016 /s/ Gina Scianni Gina Scianni, Associate General Counsel & Deputy Chief Compliance Officer 0001257391
WHITEBOX GENERAL PARTNER LLC 9.9% 1,941,016 0 1,941,016 /s/ Gina Scianni Gina Scianni, Authorized Signatory 0001650272
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