UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June 2026

Commission File Number: 001-41986

Australian Oilseeds Holdings Limited

(Exact name of registrant as specified in its charter)

126 – 142 Cowcumbla Street, Cootamundra

Site 2: 52 Fuller Drive Cootamundra

PO Box 263 Cootamundra, Australia 2590

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code: +02 6942 4347

Not Applicable

(Former name or former address, if changed since last report)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒       Form 40-F ☐

EXPLANATORY NOTE

This Report on Form 6-K of Australian Oilseeds Holdings Limited (the “Company”) consists of the Company’s unaudited condensed consolidated interim financial statements as of December 31, 2025 and for the six months ended December 31, 2025 and 2024 (Exhibit 99.1) and the related Management’s Discussion and Analysis of Financial Condition and Results of Operations for the six months ended December 31, 2025 (Exhibit 99.2).

EXHIBIT INDEX

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ATTACHMENTS / EXHIBITS

UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTS AS OF DECEMBER 31, 2025 AND FOR THE SIX MONTHS ENDED DECEMBER 31, 2025 AND 2024

MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS FOR THE SIX MONTHS ENDED DECEMBER 31, 2025

XBRL SCHEMA FILE

XBRL CALCULATION FILE

XBRL DEFINITION FILE

XBRL LABEL FILE

XBRL PRESENTATION FILE

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