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 July 2025

CommissionFile Number 001-42132

NOVAMINERALS LIMITED

(Translation of registrant’s name into English)

Suite5, 242 Hawthorn Road,

Caulfield,Victoria 3161

Australia

+613 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:

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 July 29, 2025, titled “Invitation to Nova Webinar Streamed Live from the Estelle Project Site.

This report on Form 6-K (including the exhibit 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

Invitationto Nova Webinar Streamed Live from the Estelle Project Site

Anchorage, Alaska, July 29, 2025 — Nova Minerals Limited (“Nova” and the “Company”) (Nasdaq NVA, NVAWW) (ASX: NVA), FRA: QM3)), is pleased to invite shareholders, investors, and the broader market to a unique live-streamed webinar direct from the Estelle Gold and Critical Minerals Project in Alaska.

Hosted by CEO Christopher Gerteisen and Head of Exploration Hans Hoffman, the event will feature a virtual tour of the Whiskey Bravo camp, along with live drone footage and expert commentary from the RPM drill sites and Korbel area. This immersive experience will offer real-time insights into site operations and workforce activity, providing an unprecedented look at Nova’s ongoing exploration efforts.

WebinarDetails

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, which contains multiple mining complexes across a 35 km long mineralized 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 which hosts a >220 million ounce (Moz) documented gold endowment and some of the world’s largest gold mines and discoveries including, Nova Gold and Paulson Advisors Donlin Creek Gold Project and Kinross Gold Corporation’s Fort Knox Gold Mine. The belt also hosts significant Antimony deposits and was a historical North American Antimony producer.

Further discussion and analysis of the Estelle Project is available through the interactive Vrify 3D animations, presentations, and videos, all available on the Company’s website. www.novaminerals.com.au

ForwardLooking Statements

This press release contains “forward-looking statements” that are subject to substantial risks and uncertainties. All statements, other than statements of historical fact, contained in this press release are forward-looking statements. Forward-looking statements contained in this press release may be identified by the use of words such as “anticipate,” “believe,” “contemplate,” “could,” “estimate,” “expect,” “intend,” “seek,” “may,” “might,” “plan,” “potential,” “predict,” “project,” “target,” “aim,” “should,” “will” “would,” or the negative of these words or other similar expressions, although not all forward-looking statements contain these words. Forward-looking statements are based on Nova Minerals Limited’s current expectations and are subject to inherent uncertainties, risks and assumptions that are difficult to predict. Further, certain forward-looking statements are based on assumptions as to future events that may not prove to be accurate. These and other risks and uncertainties are described more fully in the section titled “Risk Factors” in the final prospectus related to the public offering filed with the Securities and Exchange Commission. Forward-looking statements contained in this announcement are made as of this date, and Nova Minerals Limited undertakes no duty to update such information except as required under applicable law.

ForAdditional Information Please Contact

Craig Bentley

Director of Finance & Compliance & Investor Relations

E: craig@novaminerals.com.au

M: +61 414 714 196