NVA 6-K

UNITEDSTATES

SECURITIESAND EXCHANGE COMMISSION

WASHINGTON,D.C. 20549

FORM6-K

REPORTOF FOREIGN PRIVATE ISSUER

PURSUANTTO RULE 13a-16 OR 15d-16

UNDERTHE SECURITIES EXCHANGE ACT OF 1934

For the month of May 2026

CommissionFile Number 001-42132

NOVAMINERALS LIMITED

(Translation of registrant’s name into English)

Suite5, 242 Hawthorn Road,

Caulfield,Victoria 3161

Australia+61 3 9537 1238

(Address of Principal Executive Offices)

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

NOVAMINERALS LIMITED

EXPLANATORYNOTE

Attached to this report on Form 6-K as Exhibit 99.1 is a copy of the press release of Nova Minerals Limited (the “Company”) dated May 1, 2026, titled “Change of Record Date for ADS Holders”.

This report on Form 6-K (including the exhibit attached hereto) shall not be deemed to be “filed” for purposes of the Securities Exchange Act of 1934, as amended, and shall not be incorporated by reference into any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

FinancialStatements and Exhibits.

The following exhibits are being filed herewith:

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SIGNATURE

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

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Exhibit99.1

Change of Record Date for ADS Holders

NovaMinerals Limited (Nova Minerals or the Company) (ASX: NVA, NASDAQ: NVA, NVAWW, OTC: NVAAF, FSE: QM3) advises that, to allow the Bank of New York Mellon (BNY Mellon) sufficient time to collect instructions from ADS Holders and tabulate votes ahead of the Share Scheme Meeting to be held at 10:00 am (Sydney time) on 29 May 2026, the record date for ADS Holders’ entitlement to vote has been brought forward to the end of trading day (New York time) on 13 May 2026, amended from 21 May 2026 as previously announced. BNY Mellon, acting as Depositary, will collect voting instructions received by 12:00 pm (New York time) on 21 May 2026 and vote accordingly at the meeting.

The record dates for all other holders remain unchanged.

Thisannouncement has been authorized for release by Company Secretary, Ian Pamensky.

For further information:

AboutNova Minerals Limited

Nova Minerals Limited is a Gold, Antimony and Critical Minerals exploration and development company focused on advancing the Estelle Project, comprised of 514 km² of State of Alaska mining claims. The project contains multiple mining complexes across a 35 km long mineralised corridor of over 20 advanced Gold and Antimony prospects, including two already defined multi-million ounce resources and several drill-ready Antimony prospects with massive outcropping stibnite vein systems observed at surface. The 85% owned project is located 150 km northwest of Anchorage, Alaska, USA, in the prolific Tintina Gold Belt – a province hosting a >220 million ounce (Moz) documented gold endowment and some of the world’s largest gold mines and discoveries, including Kinross Gold Corporation’s Fort Knox Gold Mine. The belt also hosts significant Antimony deposits and was a historical North American Antimony producer.

Notan Offer of Securities

This announcement does not constitute an offer to sell, or a solicitation of an offer to buy, securities in the United States. Any securities described in this announcement have not been registered under the U.S. Securities Act of 1933 and may not be offered or sold in the United States absent registration or in transactions exempt from registration under the U.S. Securities Act and applicable U.S. state securities laws.