Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Hanwha Aerospace Co., Ltd. 2. Issuer Name and Ticker or Trading Symbol NextDecade Corp [NEXT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1204, CHANGWON-DAERO, SEONGSAN-GU 3. Date of Earliest Transaction (Month/Day/Year) 09/23/2025 (Street) CHANGWON-SI, GYEONGSANGNAM-DO, M5 51542 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/23/2025 P 551,819 A $6.9856(1) 18,088,187 D(2) Common Stock 09/24/2025 P 449,510 A $7.0193(3) 18,537,697 D(2) Common Stock 17,536,369 I(2) See footnote(4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Hanwha Aerospace Co., Ltd. 1204, CHANGWON-DAERO, SEONGSAN-GU CHANGWON-SI, GYEONGSANGNAM-DO, M5 51542		X

Signatures

Hanwha Aerospace Co., Ltd. By: /s/ Jaeil Son Name: Jaeil Son Title: Chief Executive Officer		09/25/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The price reported is a weighted average price. The shares reported in this transaction were purchased at prices ranging from $6.8100 to $7.1550, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.
(2)	This filing shall not be deemed an admission that the reporting person is the beneficial owner of all securities covered by this filing for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise, or is subject to Section 16 of the Exchange Act. The reporting person disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein.
(3)	The price reported is a weighted average price. The shares reported in this transaction were purchased at prices ranging from $6.8200 to $7.2200, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.
(4)	Reflects securities held directly by Hanwha Ocean LLC. Hanwha Aerospace Co., Ltd. may be deemed to beneficially own the securities held directly by Hanwha Ocean LLC.
Remarks: The reporting person may be deemed a member of a "group" (as such term is used in Section 13(d) of the Exchange Act and the rules promulgated thereunder) that beneficially owns more than 10% of the outstanding shares of Common Stock. The reporting person disclaims membership in any such group.

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