NextDecade Corp SEC filings NEXT
NextDecade Corp has 842 filings in SEC EDGAR's recent list, going back to Jul 9, 2014. Its latest annual report, Form ARS, was filed on Apr 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 1, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 144 | Notice of proposed sale | Nov 4, 2026 | — |
| 10-Q | Quarterly report | Oct 29, 2026 | Sep 30, 2026 |
| 144 | Notice of proposed sale | Oct 21, 2026 | — |
| 4 | Insider transaction | Oct 19, 2026 | Oct 16, 2026 |
| 4 | Insider transaction | Oct 19, 2026 | Oct 16, 2026 |
| 4 | Insider transaction | Oct 19, 2026 | Oct 16, 2026 |
| 4 | Insider transaction | Oct 16, 2026 | Oct 13, 2026 |
| 8-K |
Current report
Officer or director change
|
Oct 1, 2026 | Sep 29, 2026 |
| 4 | Insider transaction | Sep 11, 2026 | Sep 9, 2026 |
| 4 | Insider transaction | Sep 11, 2026 | Sep 9, 2026 |
| 4 | Insider transaction | Sep 11, 2026 | Sep 9, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Aug 31, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Aug 31, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Aug 31, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Aug 31, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Aug 31, 2026 |
| S-8 | Employee stock plan registration | Jul 30, 2026 | — |
| 10-Q | Quarterly report | Jul 30, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 13, 2026 | Jul 10, 2026 |
| 4 | Insider transaction | Jul 13, 2026 | Jul 10, 2026 |
| 3 | Initial insider ownership | Jul 10, 2026 | Jul 6, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 2, 2026 | Jul 2, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 15, 2026 |
| 3 | Initial insider ownership | Jun 11, 2026 | Jun 3, 2026 |
| 3 | Initial insider ownership | Jun 11, 2026 | Jun 3, 2026 |
| 3 | Initial insider ownership | Jun 11, 2026 | Jun 3, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | Jun 10, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Jun 3, 2026 | Jun 3, 2026 |
| DEFA14A | Additional proxy material | May 19, 2026 | — |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| S-3ASR | Automatic shelf registration | May 13, 2026 | — |
| 10-Q | Quarterly report | May 1, 2026 | Mar 31, 2026 |
| ARS | Annual report to shareholders | Apr 23, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 23, 2026 | Apr 23, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 15, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Mar 25, 2026 | Mar 23, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 24, 2026 | — |
| 10-K | Annual report | Mar 2, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 11, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 11, 2025 | — |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 5, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Nov 26, 2025 | Nov 24, 2025 |
| 4 | Insider transaction | Nov 24, 2025 | Nov 20, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 20, 2025 | — |
| 4 | Insider transaction | Nov 19, 2025 | Nov 17, 2025 |
| 4 | Insider transaction | Nov 19, 2025 | Nov 17, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Nov 18, 2025 | Nov 17, 2025 |
| 4 | Insider transaction | Nov 17, 2025 | Nov 13, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| 10-Q | Quarterly report | Oct 30, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 20, 2025 | Oct 16, 2025 |
| 4 | Insider transaction | Oct 20, 2025 | Oct 16, 2025 |
| 4 | Insider transaction | Oct 20, 2025 | Oct 16, 2025 |
| 4 | Insider transaction | Oct 20, 2025 | Oct 16, 2025 |
| 4 | Insider transaction | Oct 20, 2025 | Oct 16, 2025 |
| 4 | Insider transaction | Oct 16, 2025 | Oct 14, 2025 |
| 8-K |
Current report
Material agreement, New debt, Officer or director change, Regulation FD disclosure, Other events
|
Oct 16, 2025 | Oct 13, 2025 |
| 3 | Initial insider ownership | Oct 16, 2025 | Oct 7, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 8, 2025 | Oct 6, 2025 |
| 4 | Insider transaction | Sep 25, 2025 | Sep 23, 2025 |
| 4 | Insider transaction | Sep 19, 2025 | Sep 18, 2025 |
| 4 | Insider transaction | Sep 19, 2025 | Sep 17, 2025 |
| 4 | Insider transaction | Sep 18, 2025 | Sep 16, 2025 |
| 4 | Insider transaction | Sep 16, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Sep 15, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Sep 11, 2025 | Sep 9, 2025 |
| 4 | Insider transaction | Sep 11, 2025 | Sep 9, 2025 |
| 4 | Insider transaction | Sep 11, 2025 | Sep 9, 2025 |
| 4 | Insider transaction | Sep 11, 2025 | Sep 9, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure, Other events
|
Sep 10, 2025 | Sep 9, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 4, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 4, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 4, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 29, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 29, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 29, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 29, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 29, 2025 |
| S-8 | Employee stock plan registration | Aug 22, 2025 | — |
| 3 | Initial insider ownership | Aug 11, 2025 | Jul 29, 2025 |
| 8-K |
Current report
Other events
|
Aug 11, 2025 | Aug 7, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Aug 5, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Aug 5, 2025 |
| 3 | Initial insider ownership | Aug 7, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Aug 7, 2025 | Jul 29, 2025 |
| 3 | Initial insider ownership | Aug 1, 2025 | Jul 22, 2025 |
| 10-Q | Quarterly report | Aug 1, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 31, 2025 | Jul 29, 2025 |
| 4 | Insider transaction | Jul 24, 2025 | Jul 22, 2025 |
| 4 | Insider transaction | Jul 15, 2025 | Jul 11, 2025 |
| 4 | Insider transaction | Jul 15, 2025 | Jul 11, 2025 |
| 4 | Insider transaction | Jul 15, 2025 | Jul 11, 2025 |
| 8-K |
Current report
Officer or director change
|
Jun 13, 2025 | Jun 13, 2025 |
| 8-K |
Current report
Material agreement
|
Jun 12, 2025 | Jun 7, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 5, 2025 | Jun 4, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 15, 2025 | — |
| 8-K |
Current report
Material agreement, New debt
|
May 15, 2025 | May 14, 2025 |
| 10-Q | Quarterly report | May 6, 2025 | Mar 31, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 29, 2025 | — |
| ARS | Annual report to shareholders | Apr 24, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 24, 2025 | Apr 24, 2025 |
| 3 | Initial insider ownership | Apr 4, 2025 | Mar 27, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 27, 2025 | Mar 21, 2025 |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 21, 2025 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Regulation FD disclosure, Other events
|
Jan 6, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Nov 15, 2024 | Nov 13, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 3 | Initial insider ownership | Oct 25, 2024 | Oct 17, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 22, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Oct 17, 2024 | Oct 17, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 26, 2024 | Sep 23, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Aug 30, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Aug 30, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Aug 30, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Aug 30, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Aug 30, 2024 |
| S-8 | Employee stock plan registration | Aug 15, 2024 | — |
| 10-Q | Quarterly report | Aug 14, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Material agreement
|
Aug 8, 2024 | Aug 5, 2024 |
| 4 | Insider transaction | Aug 6, 2024 | Aug 2, 2024 |
| 4 | Insider transaction | Aug 6, 2024 | Aug 2, 2024 |
| 4 | Insider transaction | Aug 6, 2024 | Aug 2, 2024 |
| 4 | Insider transaction | Aug 6, 2024 | Aug 2, 2024 |
| 3 | Initial insider ownership | Jul 31, 2024 | Jul 24, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 31, 2024 | — |
| 4 | Insider transaction | Jul 31, 2024 | Jul 29, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 29, 2024 | — |
| 4 | Insider transaction | Jul 29, 2024 | Jul 25, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 22, 2024 | Jul 22, 2024 |
| 4 | Insider transaction | Jul 16, 2024 | Jul 12, 2024 |
| 4 | Insider transaction | Jul 16, 2024 | Jul 12, 2024 |
| 4 | Insider transaction | Jul 16, 2024 | Jul 12, 2024 |
| 4 | Insider transaction | Jul 16, 2024 | Jul 12, 2024 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Jul 1, 2024 | Jun 28, 2024 |
| 3 | Initial insider ownership | Jun 24, 2024 | Jun 13, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 17, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 17, 2024 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 3, 2024 | Jun 3, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | May 24, 2024 | — |
| 4 | Insider transaction | May 24, 2024 | May 22, 2024 |
| 10-Q/A | Amended quarterly report | May 13, 2024 | Mar 31, 2024 |
| 10-Q | Quarterly report | May 9, 2024 | Mar 31, 2024 |
| ARS | Annual report to shareholders | Apr 25, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 25, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 26, 2024 | — |
| 4 | Insider transaction | Mar 26, 2024 | Mar 22, 2024 |
| 8-K |
Current report
Auditor change
|
Mar 25, 2024 | Mar 20, 2024 |
| 8-K |
Current report
Other events
|
Mar 20, 2024 | Mar 20, 2024 |
| 10-K | Annual report | Mar 11, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Feb 12, 2024 | Feb 9, 2024 |
| 4 | Insider transaction | Feb 5, 2024 | Feb 2, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 3 | Initial insider ownership | Feb 1, 2024 | Jan 25, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 29, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Jan 25, 2024 | Jan 25, 2024 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Jan 8, 2024 | Jan 4, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 3, 2024 | Jan 3, 2024 |
| 424B3 | Prospectus | Dec 26, 2023 | — |
| EFFECT | Filing | Dec 22, 2023 | — |
| CORRESP | Letter to the SEC | Dec 20, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 20, 2023 | — |
| S-3 | Shelf registration | Dec 13, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Nov 29, 2023 | Nov 26, 2023 |
| 10-Q | Quarterly report | Nov 13, 2023 | Sep 30, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 1, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 3, 2023 | — |
| 4/A | Filing | Oct 10, 2023 | Oct 4, 2023 |
| 4/A | Filing | Oct 10, 2023 | Oct 4, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 6, 2023 | — |
| 4 | Insider transaction | Oct 6, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Oct 6, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 28, 2023 |
| 4 | Insider transaction | Oct 2, 2023 | Sep 28, 2023 |
| 4 | Insider transaction | Sep 29, 2023 | Sep 27, 2023 |
| 4 | Insider transaction | Sep 29, 2023 | Sep 27, 2023 |
| 4 | Insider transaction | Sep 28, 2023 | Sep 26, 2023 |
| 4 | Insider transaction | Sep 28, 2023 | Sep 26, 2023 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Natural Gas Transmisison & Distribution (SIC 4923)
- Listed as
- NEXT (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Houston, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1612720
- Former names
- NextDecade Corp. (until Jun 13, 2025); Harmony Merger Corp. (until Jul 25, 2017)
Other Natural Gas Transmisison & Distribution companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.