Synchron - 10 Mar 2026 Form 4 Insider Report for RARE ELEMENT RESOURCES LTD (REEMF)

Reporting relationship: 10%+ Owner
Issuer ticker: REEMF
Reported as of: 10 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 23 Mar 2026, 16:59:19 UTC
Prior SEC filing: 19 Mar 2024
Source filing: View source filing
Reporting owner signature: SYNCHRON /s/ Kristopher S. George Name: Kristopher S. George Title: Assistant Treasurer

Key filing fact

Synchron filed Form 4 for RARE ELEMENT RESOURCES LTD (REEMF) on 23 Mar 2026.

Key facts

This page summarizes Synchron's Form 4 filing for RARE ELEMENT RESOURCES LTD (REEMF).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 23 Mar 2026, 16:59.

Change

Previous filing in this sequence was filed on 19 Mar 2024.
Current net transaction value: $0.

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 (3)

CIK 0001719869 Primary reporting owner

Synchron

Relationship: 10%+ Owner
Address: 3550 GENERAL ATOMICS COURT, SAN DIEGO
Signature: SYNCHRON /s/ Kristopher S. George Name: Kristopher S. George Title: Assistant Treasurer
Signature date: 23 Mar 2026

CIK 0001034584

GENERAL ATOMIC TECHNOLOGIES CORP

Relationship: Other*, 10%+ Owner
Address: 3550 GENERAL ATOMICS COURT,, SAN DIEGO,
Signature: GENERAL ATOMIC TECHNOLOGIES CORPORATION /s/ Kristopher S. George Name: Kristopher S. George Title: Assistant Treasurer
Signature date: 23 Mar 2026

CIK 0001715926

Tenaya Corp

Relationship: Other*, 10%+ Owner
Address: 3550 GENERAL ATOMICS COURT,, SAN DIEGO,
Signature: TENAYA CORPORATION /s/ Kristopher S. George Name: Kristopher S. George Title: Assistant Treasurer
Signature date: 23 Mar 2026

Reported non-derivative transactions

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

REEMF transaction

Common Shares

Purchase

Transaction value
Shares: +100,149,060
Change %: +28%
Price: $24035774.40^*
Shares after: 460,889,576
Date: 10 Mar 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The Common Shares are held of record by Synchron, a wholly-owned subsidiary of General Atomic Technologies Corporation ("GATC"), which is a wholly-owned subsidiary of Tenaya Corporation ("Tenaya").

SEC remarks

GATC may be deemed to beneficially own all of the Common Shares beneficially owned by Synchron as its sole shareholder. Tenaya may be deemed to beneficially own all of the Common Shares beneficially owned by Synchron as the sole shareholder of GATC.