# EDGAR Filing Document

**Accession Number:** 0001540790
**File Stem:** 0001628280-25-038967
**Filing Date:** 2025-8
**Character Count:** 8130
**Document Hash:** 1bd1c84e1b41fd272ec05e0a75619d4d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-25-038967.hdr.sgml**: 20250807

**ACCESSION NUMBER**: 0001628280-25-038967

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250729

**FILED AS OF DATE**: 20250807

**DATE AS OF CHANGE**: 20250807

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Sands Diana L
- **CENTRAL INDEX KEY:** 0001540790

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36842
- **FILM NUMBER:** 251194976

**MAIL ADDRESS:**
- **STREET 1:** 100 N RIVERSIDE PLAZA, M/C 5003-1001
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NextDecade Corp
- **CENTRAL INDEX KEY:** 0001612720
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATURAL GAS TRANSMISSION & DISTRIBUTION [4923]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 465723951
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1000 LOUISIANA STREET
- **STREET 2:** SUITE 3300
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** 7135741880

**MAIL ADDRESS:**
- **STREET 1:** 1000 LOUISIANA STREET
- **STREET 2:** SUITE 3300
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NextDecade Corp.
- **DATE OF NAME CHANGE:** 20170726

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Harmony Merger Corp.
- **DATE OF NAME CHANGE:** 20140703

## Ex-24

```

POWER OF ATTORNEY
FOR SECTION 16 REPORTING OBLIGATIONS

KNOW ALL BY THESE PRESENTS, that the undersigned, Diana Sands,
hereby makes, constitutes and appoints each
of Matthew Schatzman, Chief Executive Officer, Brent Wahl, Chief
Financial Officer, and Vera de Gyarfas, General Counsel, of
NextDecade Corporation, a Delaware corporation, or any successor
thereto (the "Company"), as the undersigned's true and lawful
attorney-in-fact, with full power and authority as hereinafter
described on behalf of and in the name, place and stead of the
undersigned to:
   1) prepare, execute in the undersigned's name and on the
undersigned's behalf and submit to the U.S. Securities and
Exchange Commission (the "SEC") a Form ID, including amendments
thereto, and any other documents necessary or appropriate to
obtain codes and passwords enabling the undersigned to make
electronic filings with the SEC of reports required by Section
16(a) of the Securities Exchange Act of 1934 (as amended, the
"Exchange Act") or any rule or regulation thereunder;
   2) prepare, execute, acknowledge, deliver and file Forms 3, 4,
and 5 (including any amendments thereto) with respect to the
securities of the Company, with the SEC, any national securities
exchange and the Company, as considered necessary or advisable
under Section 16(a) of the Exchange Act of 1934 and the rules and
regulations promulgated thereunder;
   3) seek or obtain, as the undersigned's representative and on
the undersigned's behalf, information of transactions in the
Company's securities from any third party, including brokers,
employee benefit plan administrators and trustees, and the
undersigned hereby authorizes any such person to release any such
information to the undersigned and approves and ratifies any such
release of information; and
   4) perform any and all other acts which in the discretion of
such attorneys-in-fact are necessary or desirable for and on
behalf of the undersigned in connection with the foregoing.

The undersigned acknowledges that:
   1) this Power of Attorney authorizes, but does not require,
such attorneys-in-fact to act in their discretion on information
provided to such attorney-in-fact without independent
verification of such information;
   2) any documents prepared and/or executed by such attorneys-
in-fact on behalf of the undersigned pursuant to this Power of
Attorney will be in such form and will contain such information
and disclosure as such attorneys-in-fact, in his or her
discretion, deems necessary or desirable;
   3) this Power of Attorney does not relieve the undersigned
from responsibility for compliance with the undersigned's
obligations under the Exchange Act, including without limitation
the reporting requirements under Section 16 of the Exchange Act;
and
   4) neither the Company nor such attorneys-in-fact assumes any
liability for the undersigned's responsibility or failure to
comply with the requirements of the Exchange Act, including
without limitation for profit disgorgement under Section 16(b) of
the Exchange Act.

The undersigned hereby ratifies all that such attorneys-in-fact,
for and on behalf of the undersigned, shall lawfully do or cause
to be done by virtue of this Power of Attorney.

This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4
and 5 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier
revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 7th day of August, 2025.

By: /s/ Diana Sands
Diana Sands

```

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Sands Diana L<br><sub>(Last) (First) (Middle)</sub><br>1000 LOUISIANA STREET, SUITE 3300<br><sub>(Street)</sub><br>HOUSTON, TX 77002<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>NextDecade Corp [ NEXT ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-07-29 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Stock | 0 | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

**Signature:** /s/ Vera de Gyarfas, Attorney-in-fact  
**Date:** 2025-08-07

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* 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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**