Key facts
- This page summarizes William C. Mathers's Form 4 filing for DyTb, LLC (TMRC).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 14 Aug 2026, 14:11.
William C. Mathers - 07 Aug 2026 Form 4 Insider Report for DyTb, LLC (TMRC)
- Reporting owner signature
- /s/ William C Mathers
Source evidence
Original filing metadata and source links for verification.
3 source fields
Reporting owner
1 detail
Key filing fact
William C. Mathers filed Form 4 for DyTb, LLC (TMRC) on 14 Aug 2026.
Change
- No earlier filing in this sequence is available for direct comparison.
- 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002094849
Primary reporting owner
Mathers William C
- Relationship
- CFO
- Address
- 1124 24TH STREET, GALVESTON
- Signature
- /s/ William C Mathers
- Signature date
- 13 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
TMRC
transaction
Common Stock
Disposed to Issuer
- Transaction value
- Shares
- -448,454
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 07 Aug 2026
- Ownership
- Direct
- 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
William C. Mathers 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 were disposed of pursuant to the Agreement and Plan of Merger, dated March 4, 2025 (the "Merger Agreement"), by and among Texas Mineral Resources Corp. (the "Issuer"), USA Rare Earth, Inc. ("Parent"), Hamer Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent ("First Merger Sub") and Hamer Merger Sub, LLC, a Delaware limited liability company and a wholly owned subsidiary of Parent ("Second Merger Sub"). Pursuant to the Merger Agreement, on August 7, 2026, First Merger Sub merged with and into the Issuer, with the Issuer surviving the merger as a wholly owned subsidiary of Parent (the "First Merger") and promptly thereafter, the Issuer merged with and into Second Merger Sub, with Second Merger Sub surviving the second merger as a wholly owned subsidiary of Parent named DyTb, LLC.
Footnote F2
Pursuant to the terms of the Merger Agreement, each share of the Issuer's common stock (other than certain excluded shares) outstanding immediately prior to the effective time of the First Merger converted into the right to receive 0.043279843 shares of common stock of Parent and cash payable in lieu of fractional shares.