South32 Ltd - 28 Aug 2026 Form 4 Insider Report for Trilogy Metals Inc. (TMQ)

Reporting relationship: 10%+ Owner
Issuer ticker: TMQ
Reported as of: 28 Aug 2026
Net transaction value: -$17,827,787
SEC form: 4
Accepted by SEC: 01 Sep 2026, 16:05:03 UTC
Prior SEC filing: 02 May 2023
Source filing: View source filing
Reporting owner signature: /s/ Claire Tolcon, Company Secretary of South32 Limited

Key filing fact

South32 Ltd filed Form 4 for Trilogy Metals Inc. (TMQ) on 01 Sep 2026.

Key facts

This page summarizes South32 Ltd's Form 4 filing for Trilogy Metals Inc. (TMQ).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 Sep 2026, 16:05.

Change

Previous filing in this sequence was filed on 02 May 2023.
Current net transaction value: -$17,827,787.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (2)

CIK 0001635752 Primary reporting owner

South32 Ltd

Relationship: 10%+ Owner
Address: LEVEL 2, 100 ST GEORGES TERRACE, PERTH, AUSTRALIA
Signature: /s/ Claire Tolcon, Company Secretary of South32 Limited
Signature date: 31 Aug 2026

CIK 0001726854

South32 International Investment Holdings Proprietary Ltd

Relationship: 10%+ Owner
Address: LEVEL 2, 100 ST GEORGES TERRACE, PERTH, AUSTRALIA
Signature: /s/ Rebecca Healy, Company Secretary of South32 International Investment Holdings Proprietary Limited
Signature date: 31 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TMQ transaction

Common Stock

Sale

Transaction value: $17,827,787
Shares: -8,215,570
Change %: -44%
Price: $2.17
Shares after: 10,379,741
Date: 28 Aug 2026
Ownership: By wholly-owned subsidiary
Footnotes: F1, F2

TMQ transaction

Common Stock

Sale

Transaction value: $17,827,787
Shares: -8,215,570
Change %: -44%
Price: $2.17
Shares after: 10,379,741
Date: 28 Aug 2026
Ownership: By wholly-owned subsidiary
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

South32 Ltd is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote F1

The shares are owned directly by South32 International Investment Holdings Proprietary Limited, which is a wholly-owned subsidiary of South32 Limited. South32 Limited is an indirect beneficial owner of the reported securities.

Footnote F2

Pursuant to the terms of a Transaction Agreement dated August 28, 2026, by and between South32 International Investment Holdings Pty Ltd ("South32 International") and the United States Department of Defense, South32 International agreed to sell 8,215,570 common shares of the Issuer to the Investor for $17,827,785.90 in a private transaction.