Other Information
−Removed: Rule 10b5-1 Trading Plans
−Removed: On July 28, 2025 , Brad Juneau , a director of the Company, adopted a “Rule 10b5-1 trading arrangement” as defined in Item 408(a) of Regulation S-K intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
−Removed: The arrangement provides for the sale by Mr.
−Removed: Jun eau of up to 200,000 shares of our common stock, subject to certain conditions.
−Removed: Juneau’s Rule 10b5-1 trading arrangement will commence following the applicable cooling- off period and expire on April 10, 2026.
−Removed: On October 15, 2025, before Mr.
−Removed: Juneau’s Rule 10b5-1 trading arrangement had commenced and in connection with the closing of the Company’s September underwritten offering and a related lock-up agreement that restricts Mr.
−Removed: Juneau from transferring shares of our common stock for a period of 90 days after closing of the offering, Mr.
−Removed: Juneau modified his 10b5-1 trading plan to extend the expiration date from April 10, 2026 to May 15, 2026.
−Removed: Other than as disclosed above, during the three months ended September 30, 2025, no director or officer of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.
+Added: During the three months ended March 31, 2026, no director or officer of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.
(a) Exhibits:
5 unchanged sentences
Arrangement Agreement, dated as of May 1, 2024, by and among the Company, Contango Mining Canada Inc., and HighGold Mining Inc.
+Added: Amending Agreement, effective February 11, 2026, by and among Contango ORE, Inc., 1566004 B.C.
+Added: and Dolly Varden Silver Corporation.
Certificate of Incorporation of Contango ORE, Inc.
Certificate of Amendment to Certificate of Incorporation of Contango ORE, Inc.
+Added: Certificate of Amendment to Certificate of Incorporation of Contango ORE, Inc.
+Added: Certificate of Designation of Series A Special Voting Preferred Stock.
Bylaws of Contango ORE, Inc.
4 unchanged sentences
Form of Convertible Debenture.
−Removed: Form of Registration Rights Agreement dated as of December 23, 2022.
−Removed: Form of Registration Rights Agreement dated as of January 19, 2023.
Form of Pre-Funded Warrants.
+Added: Form of Pre-Funded Warrants.
+Added: Exchangeable Share Support Agreement.
+Added: Voting And Exchange Trust Agreement.
+Added: Employment Agreement, dated April 3, 2026.
Certification of Principal Executive Officer pursuant to Rules 13a-14 and 15d-14.
2 unchanged sentences
Certification of Principal Financial Officer pursuant to 18 U.S.C.
−Removed: Financial statements from the Company’s quarterly report on Form 10-Q for the three months ended September 30, 2025, formatted in Inline XBRL:
+Added: Mine Safety Disclosures.
+Added: Financial statements from the Company’s quarterly report on Form 10-Q for the three months ended March 31, 2026, formatted in Inline XBRL:
(i) Condensed Consolidated Balance Sheets;
7 unchanged sentences
CONTANGO ORE, INC.
−Removed: November 13, 2025
/s/ RICK VAN NIEUWENHUYSE
Rick Van Nieuwenhuyse
−Removed: President and Chief Executive Officer
+Added: Chief Executive Officer
(Principal Executive Officer)
−Removed: N ovember 13, 2025
+Added: M ay 14, 2026
/s/ MIKE CLARK
2 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.