SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D
Under the Securities Exchange Act of 1934

(Amendment No. 4)*

Vast Renewables Limited
(Name of Issuer)

Ordinary Shares without par value
(Title of Class of Securities)

Q9379E105
(CUSIP Number)

Colin R. Sussman

226-230 Liverpool Street

Darlinghurst, NSW 2010,

Australia

+61 2 9325 9000

with a copy to:

Joel Rennie

Elliott Smith
White & Case LLP
1221 Avenue of the Americas
New York, New York 10020
(212) 819-8200

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

December 13, 2024
(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D and is filing this schedule because of 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ☐.

*	The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP NO. Q9379E105

Schedule 13D

Page 2 of 8

1	NAMES OF REPORTING PERSONS AgCentral Energy Pty Ltd
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (See Instructions) WC
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E) ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Commonwealth of Australia

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 0
	8	SHARED VOTING POWER 19,251,951⁽¹⁾
	9	SOLE DISPOSITIVE POWER 0
	10	SHARED DISPOSITIVE POWER 17,750,518⁽²⁾

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 19,251,951⁽¹⁾
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions) ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 64.2%⁽³⁾
14	TYPE OF REPORTING PERSON (See Instructions) CO

(1)

Consists of (i) 17,750,518 ordinary shares, no par value (the “Ordinary Shares”) of Vast Renewables Limited, an Australian public company limited by shares (f/k/a Vast Solar Pty Ltd, an Australian proprietary company limited by shares) (the “Issuer”) held by AgCentral Energy Pty Ltd’s, an Australian proprietary company limited by shares (“AgCentral”) and (ii) 1,501,433 Ordinary Shares held by certain parties (the “MEP Participants”) to the Management Equity Plan De-SPAC Side Deed, dated February 14, 2023 (the “MEP De-SPAC Side Deed”), pursuant to which the MEP Participants granted to AgCentral a proxy to vote (a) 100% of their Ordinary Shares for a period of two years following the consummation of the Issuer’s business combination on December 18, 2023 (the “Merger Effective Date”), (b) 66.7% of their Ordinary Shares for a period of three years following the Merger Effective Date and (c) 33.3% of their Ordinary Shares for a period of four years following the Merger Effective Date, provided that, on the date that was six months following the Merger Effective Date, each MEP Participant was permitted, with 10 business days’ prior written notice to the Issuer elect to dispose of $350,000 worth of such MEP Participant’s Ordinary Shares, subject to a limit of $2,000,000, in the aggregate, of dispositions by all MEP Participants thereunder and any Ordinary Shares so disposed would be released from the voting arrangement described herein. On June 18, 2024, an aggregate of 800,000 Ordinary Shares held by such MEP Participants were so released. AgCentral disclaims beneficial ownership of the securities held by MEP Participants except to the extent of its pecuniary interest therein. Excludes (i) 2,485,657 Ordinary Shares issuable upon the occurrence of certain events not within AgCentral’s control and (ii) 314,342 Ordinary Shares issuable to the MEP Participants upon the occurrence of certain events not within AgCentral’s or the MEP Participants’ control.

(2)

Consists of 17,750,518 Ordinary Shares held of record by AgCentral. Excludes 2,485,657 Ordinary Shares issuable upon the occurrence of certain events not within AgCentral’s control.

(3)

The percentage is calculated based on a 29,973,504 Ordinary Shares outstanding as of November 1, 2024, as reported in the Issuer’s Post-Effective Amendment No. 2 to its Registration Statement on Form F-1 (File No. 333-277574), filed with the U.S. Securities and Exchange Commission (the “SEC”) on November 7, 2024 (the “Registration Statement”).

CUSIP NO. Q9379E105

Schedule 13D

Page 3 of 8

1	NAMES OF REPORTING PERSONS Igino Pty Ltd
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (See Instructions) AF
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E) ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Commonwealth of Australia

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER
	8	SHARED VOTING POWER 19,251,951⁽¹⁾
	9	SOLE DISPOSITIVE POWER 0
	10	SHARED DISPOSITIVE POWER 17,750,518⁽²⁾

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 19,251,951⁽¹⁾
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions) ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 64.2%⁽³⁾
14	TYPE OF REPORTING PERSON (See Instructions) CO

(1)

Consists of (i) 17,750,518 Ordinary Shares held of record by AgCentral and (ii) 1,501,433 Ordinary Shares held by the MEP Participants to the MEP De-SPAC Side Deed, pursuant to which the MEP Participants granted to AgCentral a proxy to vote (a) 100% of their Ordinary Shares for a period of two years following the Merger Effective Date, (b) 66.7% of their Ordinary Shares for a period of three years following the Merger Effective Date and (c) 33.3% of their Ordinary Shares for a period of four years following the Merger Effective Date, provided that, on the date that was six months following the Merger Effective Date, each MEP Participant was permitted, with 10 business days’ prior written notice to the Issuer elect to dispose of $350,000 worth of such MEP Participant’s Ordinary Shares, subject to a limit of $2,000,000, in the aggregate, of dispositions by all MEP Participants thereunder and any Ordinary Shares so disposed would be released from the voting arrangement described herein. On June 18, 2024, an aggregate of 800,000 Ordinary Shares held by such MEP Participants were so released. Excludes (i) 2,485,657 Ordinary Shares issuable upon the occurrence of certain events not within AgCentral’s control and (ii) 314,342 Ordinary Shares issuable to the MEP Participants upon the occurrence of certain events not within AgCentral’s or the MEP Participants’ control. Igino Pty Ltd, an Australian proprietary company limited by shares (“Igino Pty”), is the sole shareholder of AgCentral and therefore may be deemed to share beneficial ownership of the securities held by AgCentral. Igino Pty holds the shares of AgCentral as trustee for C&C Family Trust. John Igino Kahlbetzer (“Mr. Kahlbetzer”) and Colin Raymond Sussman (“Mr. Sussman”) are the directors of AgCentral and Igino Pty, and therefore may be deemed to share beneficial ownership of the securities held by AgCentral. Each of Igino Pty, Mr. Kahlbetzer and Mr. Sussman disclaim beneficial ownership of the securities beneficially owned by AgCentral except to the extent of its or his pecuniary interest therein.

(2)

Consists of 17,750,518 Ordinary Shares held of record by AgCentral. Excludes 2,485,657 Ordinary Shares issuable upon the occurrence of certain events not within AgCentral’s control.

(3)	The percentage is calculated based on a 29,973,504 Ordinary Shares outstanding as of November 1, 2024, as reported in the Registration Statement (File No. 333-277574) filed with the SEC on November 7, 2024.

CUSIP NO. Q9379E105

Schedule 13D

Page 4 of 8

1	NAMES OF REPORTING PERSONS John Igino Kahlbetzer
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (See Instructions) OO
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E) ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Commonwealth of Australia

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 0
	8	SHARED VOTING POWER 19,251,951⁽¹⁾
	9	SOLE DISPOSITIVE POWER 0
	10	SHARED DISPOSITIVE POWER 17,750,518⁽²⁾

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 19,251,951⁽¹⁾
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions) ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 64.2%⁽³⁾
14	TYPE OF REPORTING PERSON (See Instructions) IN

(1)

Consists of (i) 17,750,518 Ordinary Shares held of record by AgCentral and (ii) 1,501,433 Ordinary Shares held by the MEP Participants to the MEP De-SPAC Side Deed, pursuant to which the MEP Participants granted to AgCentral a proxy to vote (a) 100% of their Ordinary Shares for a period of two years following the Merger Effective Date, (b) 66.7% of their Ordinary Shares for a period of three years following the Merger Effective Date and (c) 33.3% of their Ordinary Shares for a period of four years following the Merger Effective Date, provided that, on the date that was six months following the Merger Effective Date, each MEP Participant was permitted, with 10 business days’ prior written notice to the Issuer elect to dispose of $350,000 worth of such MEP Participant’s Ordinary Shares, subject to a limit of $2,000,000, in the aggregate, of dispositions by all MEP Participants thereunder and any Ordinary Shares so disposed would be released from the voting arrangement described herein. On June 18, 2024, an aggregate of 800,000 Ordinary Shares held by such MEP Participants were so released. Excludes (i) 2,485,657 Ordinary Shares issuable upon the occurrence of certain events not within AgCentral’s control and (ii) 314,342 Ordinary Shares issuable to the MEP Participants upon the occurrence of certain events not within AgCentral’s or the MEP Participants’ control. Igino Pty is the sole shareholder of AgCentral and therefore may be deemed to share beneficial ownership of the securities held by AgCentral. Igino Pty holds the shares of AgCentral as trustee for C&C Family Trust. Mr. Kahlbetzer and Mr. Sussman are the directors of AgCentral and Igino Pty, and therefore may be deemed to share beneficial ownership of the securities held by AgCentral. Each of Igino Pty, Mr. Kahlbetzer and Mr. Sussman disclaim beneficial ownership of the securities beneficially owned by AgCentral except to the extent of its or his pecuniary interest therein.

(2)

Consists of 17,750,518 Ordinary Shares held of record by AgCentral. Excludes 2,485,657 Ordinary Shares issuable upon the occurrence of certain events not within AgCentral’s control.

(3)

The percentage is calculated based on a 29,973,504 Ordinary Shares outstanding as of November 1, 2024, as reported in the Registration Statement (File No. 333-277574) filed with the SEC on November 7, 2024.

CUSIP NO. Q9379E105

Schedule 13D

Page 5 of 8

1	NAMES OF REPORTING PERSONS Colin Raymond Sussman
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (See Instructions) AF
5	CHECK IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E) ☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Commonwealth of Australia

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER 0
	8	SHARED VOTING POWER 19,251,951⁽¹⁾
	9	SOLE DISPOSITIVE POWER 0
	10	SHARED DISPOSITIVE POWER 17,750,518⁽²⁾

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 19,251,951⁽¹⁾
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions) ☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 64.2%⁽³⁾
14	TYPE OF REPORTING PERSON (See Instructions) IN

(1)

Consists of (i) 17,750,518 Ordinary Shares held of record by AgCentral and (ii) 1,501,433 Ordinary Shares held by the MEP Participants to the MEP De-SPAC Side Deed, pursuant to which the MEP Participants granted to AgCentral a proxy to vote (a) 100% of their Ordinary Shares for a period of two years following the Merger Effective Date, (b) 66.7% of their Ordinary Shares for a period of three years following the Merger Effective Date and (c) 33.3% of their Ordinary Shares for a period of four years following the Merger Effective Date, provided that, on the date that was six months following the Merger Effective Date, each MEP Participant was permitted, with 10 business days’ prior written notice to the Issuer elect to dispose of $350,000 worth of such MEP Participant’s Ordinary Shares, subject to a limit of $2,000,000, in the aggregate, of dispositions by all MEP Participants thereunder and any Ordinary Shares so disposed would be released from the voting arrangement described herein. On June 18, 2024, an aggregate of 800,000 Ordinary Shares held by such MEP Participants were so released. Excludes (i) 2,485,657 Ordinary Shares issuable upon the occurrence of certain events not within AgCentral’s control and (ii) 314,342 Ordinary Shares issuable to the MEP Participants upon the occurrence of certain events not within AgCentral’s or the MEP Participants’ control. Igino Pty is the sole shareholder of AgCentral and therefore may be deemed to share beneficial ownership of the securities held by AgCentral. Igino Pty holds the shares of AgCentral as trustee for C&C Family Trust. Mr. Kahlbetzer and Mr. Sussman are the directors of AgCentral and Igino Pty, and therefore may be deemed to share beneficial ownership of the securities held by AgCentral. Each of Igino Pty, Mr. Kahlbetzer and Mr. Sussman disclaim beneficial ownership of the securities beneficially owned by AgCentral except to the extent of its or his pecuniary interest therein.

(2)

Consists of 17,750,518 Ordinary Shares held of record by AgCentral. Excludes 2,485,657 Ordinary Shares issuable upon the occurrence of certain events not within AgCentral’s control.

(3)

CUSIP NO. Q9379E105

Schedule 13D

Page 6 of 8

EXPLANATORY NOTE

This Amendment No. 4 to Schedule 13D (this “Fourth Amendment”) filed by AgCentral, Igino Pty, Mr. Kahlbetzer and Mr. Sussman (collectively, the “Reporting Persons”) amends the report on Schedule 13D filed on February 5, 2024 (the “Original 13D” as amended by Amendment No. 1 to Schedule 13D filed by the Reporting Persons on November 12, 2024 (the “First Amendment”), Amendment No. 2 to Schedule 13D filed by the Reporting Persons on November 25, 2024 (the “Second Amendment”) and Amendment No. 3 to Schedule 13D filed by the Reporting Persons on November 27, 2024 (the “Third Amendment,” and the Original 13D, as amended by the First Amendment, the Second Amendment and the Third Amendment, the “Schedule 13D”)) by the Reporting Persons, with respect to the ordinary shares, no par value (“Ordinary Shares”), of Vast Renewables Limited, an Australian public company limited by shares (f/k/a Vast Solar Pty Ltd, an Australian proprietary company limited by shares) (the “Issuer”).

Capitalized terms used and not otherwise defined in this Fourth Amendment have the meanings ascribed to them in the Schedule 13D. Except as expressly amended and supplemented by this Fourth Amendment, the Schedule 13D is not amended or supplemented in any respect, and the disclosures set forth in the Schedule 13D, other than as amended herein are incorporated by reference herein.

This Fourth Amendment is filed to report that AgCentral sold an aggregate of 301,327 Ordinary Shares consisting of (i) 10,000 Ordinary Shares sold on November 15, 2024 and (ii) 291,327 Ordinary Shares sold between November 26, 2024 and December 13, 2024.

Item 4. Purpose of Transaction

Item 4 is hereby amended and supplemented with the following:

AgCentral sold an aggregate of 301,327 Ordinary Shares consisting of (i) 10,000 Ordinary Shares sold on November 15, 2024 and (ii) 291,327 Ordinary Shares sold between November 26, 2024 and December 13, 2024.

Item 5. Interest in Securities of the Issuer

Item 5 is hereby amended and restated in its entirety as follows:

The information contained in rows 7, 8, 9, 10, 11 and 13 on the respective cover pages of this Fourth Amendment and the information set forth or incorporated in Items 2 and 3 of the Schedule 13D is hereby incorporated by reference in its entirety into this Item 5.

(a)

and (b):

As of the date of this filing, AgCentral is the record owner of 17,750,518 Ordinary Shares. In addition, AgCentral shares voting power over 1,501,433 Ordinary Shares held by MEP Participants pursuant to the voting agreement in the MEP De-SPAC Side Deed. Accordingly, the Reporting Persons are, or may be, deemed to beneficially own an aggregate of 19,251,951 Ordinary Shares, representing approximately 64.2% of the Ordinary Shares outstanding based on 29,973,504 Ordinary Shares outstanding as of November 1, 2024, as reported in the Registration Statement (File No. 333-277574) filed with the SEC on November 7, 2024.

CUSIP NO. Q9379E105

Schedule 13D

Page 7 of 8

(c)

On November 15, 2024, the Reporting Persons sold an aggregate of 10,000 Ordinary Shares in open market transactions at a weighted average price of $1.66 per Ordinary Share. Subsequent to the sales reported in the Third Amendment, the Reporting Persons sold an aggregate of 291,327 Ordinary Shares in open market transactions on the Nasdaq Stock Market. Details by date, listing the type and number of securities sold and the weighted average price per share for transactions that were effected during the past sixty days are provided below. The Reporting Persons undertake to provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of securities sold at each separate price.

Date	Security	Number of Securities disposed of		Weighted average price per security
November 26, 2024	Ordinary Shares		32,900	$	2.01
November 27, 2024	Ordinary Shares		67,100	$	2.01
November 27, 2024	Ordinary Shares		37,263	$	2.13
December 2, 2024	Ordinary Shares		8,184	$	2.13
December 6, 2024	Ordinary Shares		33,100	$	1.58
December 9, 2024	Ordinary Shares		28,251	$	1.61
December 10, 2024	Ordinary Shares		17,600	$	1.48
December 11, 2024	Ordinary Shares		24,030	$	1.38
December 12, 2024	Ordinary Shares		7,929	$	1.34
December 13, 2024	Ordinary Shares		34,970	$	1.27

(d)

Under the MEP De-SPAC Side Deed, the MEP Participants granted to AgCentral a proxy to vote (i) 100% of their Ordinary Shares for a period of two years following the Merger Effective Date, (ii) 66.7% of their Ordinary Shares for a period of three years following the Merger Effective Date and (iii) 33.3% of their Ordinary Shares for a period of four years following the Merger Effective Date, provided that, on the date that was six months following the Merger Effective Date, each MEP Participant was permitted, with 10 business days’ prior written notice to the Issuer elect to dispose of $350,000 worth of such MEP Participant’s Ordinary Shares, subject to a limit of $2,000,000, in the aggregate, of dispositions by all MEP Participants thereunder and any Ordinary Shares so disposed would be released from the voting arrangement described herein. On June 18, 2024, an aggregate of 800,000 Ordinary Shares held by such MEP Participants were so released. As such, the Reporting Persons are deemed to beneficially own 1,501,433 Ordinary Shares, which excludes 314,342 Earnout Shares issuable upon the occurrence of the Triggering Events, held by the MEP Participants. However, the MEP Participants have the right to direct the receipt of dividends from, or the proceeds from the sale of, their Ordinary Shares, in accordance with the terms and limitations of the MEP De-SPAC Side Deed.

(e)

Not applicable.

CUSIP NO. Q9379E105

Schedule 13D

Page 8 of 8

SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: December 16, 2024

	AgCentral Energy Pty Ltd

	By:	/s/ Colin R. Sussman
	Name:	Colin R. Sussman
	Title:	Director

	Igino Pty Ltd

	By:	/s/ Colin R. Sussman
	Name:	Colin R. Sussman
	Title:	Director

	/s/ John I. Kahlbetzer
	Name:	John I. Kahlbetzer

	/s/ Colin R. Sussman
	Name:	Colin R. Sussman

Vast Renewables Ltd SC 13D/A