Matthew K. Rose - 01 Sep 2026 Form 4 Insider Report for DYNARESOURCE, INC. (DYNR)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: DYNR
Reported as of: 01 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Sep 2026, 17:20:27 UTC
Prior SEC filing: 04 Aug 2026
Source filing: View source filing
Reporting owner signature: By: /s/ Matthew K. Rose

Key filing fact

Matthew K. Rose filed Form 4 for DYNARESOURCE, INC. (DYNR) on 08 Sep 2026.

Key facts

This page summarizes Matthew K. Rose's Form 4 filing for DYNARESOURCE, INC. (DYNR).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 08 Sep 2026, 17:20.

Change

Previous filing in this sequence was filed on 04 Aug 2026.
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 (2)

CIK 0001200246 Primary reporting owner

ROSE MATTHEW K

Relationship: Director, 10%+ Owner
Address: 2633 MAGNOLIA CIRCLE, WESTLAKE
Signature: By: /s/ Matthew K. Rose
Signature date: 08 Sep 2026

CIK 0001647774

Golden Post Rail, LLC

Relationship: Director, 10%+ Owner
Address: 2633 MAGNOLIA CIRCLE, WESTLAKE
Signature: Golden Post Rail, LLC, By: /s/ Matthew K. Rose, Manager
Signature date: 08 Sep 2026

Reported non-derivative transactions

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

DYNR transaction

Common Stock

Purchase

Transaction value
Shares: +1,913,889
Change %: +77%
Price
Shares after: 4,389,304
Date: 01 Sep 2026
Ownership: By Golden Post Rail, LLC
Footnotes: F1, F2, F3

DYNR transaction

Common Stock

Purchase

Transaction value
Shares: +1,913,889
Change %: +77%
Price
Shares after: 4,389,304
Date: 01 Sep 2026
Ownership: By Golden Post Rail, LLC
Footnotes: F1, F2, F3

DYNR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 736,479
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F2

DYNR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 736,479
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F2

DYNR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,755,000
Date: 01 Sep 2026
Ownership: By MKR 2022 Grantor Retained Annuity Trust
Footnotes: F4

DYNR holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,755,000
Date: 01 Sep 2026
Ownership: By MKR 2022 Grantor Retained Annuity Trust
Footnotes: F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

DYNR transaction Derivative

Common Stock Warrants (right to buy)

Purchase

Transaction value
Shares: +1,913,889
Change %
Price
Shares after: 1,913,889
Date: 01 Sep 2026
Ownership: By Golden Post Rail, LLC
Underlying class: Common Stock
Underlying amount: 1,913,889
Exercise price: $0.5100
Footnotes: F1, F2, F3, F5, F6

DYNR transaction Derivative

Common Stock Warrants (right to buy)

Purchase

Transaction value
Shares: +1,913,889
Change %
Price
Shares after: 1,913,889
Date: 01 Sep 2026
Ownership: By Golden Post Rail, LLC
Underlying class: Common Stock
Underlying amount: 1,913,889
Exercise price: $0.5100
Footnotes: F1, F2, F3, F5, F6

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

The reported securities are included within 1,913,889 units of DynaResource, Inc. (the "Issuer" and such units, the "Units") purchased by Golden Post Rail, LLC ("Golden Post") for $0.45 per Unit. Each Unit consists of one share of common stock of the Issuer ("Common Stock") and one warrant to purchase one share of Common Stock (the "Warrant") at an exercise price of $0.51 per share.

Footnote F2

The reporting persons may be deemed to be a member of a group with respect to the Issuer or securities of the Issuer for purposes of Section 13(d) or 13(g) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). The reporting persons declare that neither the filing of this statement nor anything herein shall be construed as an admission that such persons are, for the purposes of Section 13(d) or 13(g) of the Exchange Act or any other purpose, a member of a group with respect to the Issuer or securities of the Issuer.

Footnote F3

Matthew K. Rose is the Manager, President, Secretary and Treasurer of Golden Post and may be deemed to beneficially own the securities held by Golden Post. Mr. Rose disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein. Mr. Rose states that neither the filing of this statement nor anything herein shall be deemed an admission that Mr. Rose is, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owner of these securities. As a result of certain contractual rights, the reporting persons may be deemed to be a director by deputization with respect to the Issuer.

Footnote F4

Represents shares held by MKR 2022 Grantor Retained Annuity Trust, of which Mr. Rose is the trustee and beneficiary. Mr. Rose states that neither the filing of this statement nor anything herein shall be deemed an admission that Mr. Rose is, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owner of these securities.

Footnote F5

The Warrant is exercisable for a period commencing on the date that an amendment to the Issuer's Amended and Restated Certificate of Incorporation, as amended, is approved and filed with the Delaware Secretary of State to either increase the authorized shares of Common Stock or effect a reverse stock split of the Common Stock, in each case to satisfy all share reservation obligations of the Issuer, including to accommodate the exercise of the Warrant to purchase the underlying Common Stock in accordance with the terms of the Warrant (the "Authorized Shares Condition").

Footnote F6

The Warrant expires at 5:00 p.m. Central Time on the later of (a) 180 days following the issuance date of the Warrant and (b) 30 days following the satisfaction of the Authorized Shares Condition.