AdvanSix Inc. SEC filings ASIX
AdvanSix Inc. has 712 filings in SEC EDGAR's recent list, going back to May 12, 2016. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 4, 2026 | Nov 4, 2026 |
| 4 | Insider transaction | Oct 8, 2026 | Oct 6, 2026 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Aug 17, 2026 | Aug 14, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| 10-Q | Quarterly report | Aug 7, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 7, 2026 | Aug 7, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 14, 2026 | — |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2026 | Jun 22, 2026 |
| 144 | Notice of proposed sale | Jun 10, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2026 | — |
| 144 | Notice of proposed sale | May 13, 2026 | — |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
May 8, 2026 | May 8, 2026 |
| ARS | Annual report to shareholders | Apr 29, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 29, 2026 | — |
| DEF 14A | Proxy statement | Apr 29, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Apr 29, 2026 | Apr 27, 2026 |
| 3 | Initial insider ownership | Apr 29, 2026 | Apr 27, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Apr 13, 2026 | Apr 13, 2026 |
| 4 | Insider transaction | Apr 1, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Mar 26, 2026 | Mar 24, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 28, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 26, 2026 |
| 10-K | Annual report | Feb 20, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 20, 2026 | Feb 20, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 11, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 8, 2026 | — |
| 3 | Initial insider ownership | Jan 5, 2026 | Jan 1, 2026 |
| 8-K |
Current report
Officer or director change
|
Dec 22, 2025 | Dec 22, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 10-Q | Quarterly report | Nov 7, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 7, 2025 | Nov 7, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 30, 2025 | — |
| 8-K |
Current report
Material agreement, New debt
|
Oct 23, 2025 | Oct 23, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 3, 2025 |
| 144 | Notice of proposed sale | Oct 3, 2025 | — |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 3 | Initial insider ownership | Sep 8, 2025 | Sep 2, 2025 |
| 3 | Initial insider ownership | Sep 8, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Sep 2, 2025 |
| 144 | Notice of proposed sale | Sep 2, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Sep 2, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Aug 4, 2025 | Aug 1, 2025 |
| 144 | Notice of proposed sale | Aug 1, 2025 | — |
| 10-Q | Quarterly report | Aug 1, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 1, 2025 | Aug 1, 2025 |
| 3 | Initial insider ownership | Jul 17, 2025 | Jul 9, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 9, 2025 | Jul 9, 2025 |
| 144 | Notice of proposed sale | Jul 2, 2025 | — |
| 4 | Insider transaction | Jul 2, 2025 | Jul 2, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| S-8 | Employee stock plan registration | Jun 20, 2025 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 4, 2025 | Jun 2, 2025 |
| 144 | Notice of proposed sale | Jun 2, 2025 | — |
| DEFA14A | Additional proxy material | May 16, 2025 | — |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 10-Q | Quarterly report | May 2, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
May 2, 2025 | May 2, 2025 |
| 144 | Notice of proposed sale | May 1, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 30, 2025 | — |
| ARS | Annual report to shareholders | Apr 29, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 29, 2025 | — |
| DEF 14A | Proxy statement | Apr 29, 2025 | Jun 18, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 16, 2025 | Jun 18, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 16, 2025 | Apr 16, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Apr 1, 2025 | Apr 1, 2025 |
| 144 | Notice of proposed sale | Apr 1, 2025 | — |
| 4 | Insider transaction | Mar 26, 2025 | Mar 24, 2025 |
| 3 | Initial insider ownership | Mar 24, 2025 | Mar 17, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 17, 2025 | Mar 17, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 144 | Notice of proposed sale | Mar 3, 2025 | — |
| 10-K | Annual report | Feb 21, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 21, 2025 | Feb 21, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Feb 3, 2025 |
| 144 | Notice of proposed sale | Feb 3, 2025 | — |
| 4 | Insider transaction | Jan 3, 2025 | Jan 2, 2025 |
| 144 | Notice of proposed sale | Jan 2, 2025 | — |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 144 | Notice of proposed sale | Dec 16, 2024 | — |
| 144 | Notice of proposed sale | Dec 13, 2024 | — |
| 4 | Insider transaction | Dec 4, 2024 | Dec 2, 2024 |
| 144 | Notice of proposed sale | Dec 2, 2024 | — |
| 4 | Insider transaction | Nov 26, 2024 | Nov 25, 2024 |
| 144 | Notice of proposed sale | Nov 25, 2024 | — |
| 4 | Insider transaction | Nov 19, 2024 | Nov 18, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 7, 2024 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 6, 2024 |
| 144 | Notice of proposed sale | Nov 7, 2024 | — |
| 144 | Notice of proposed sale | Nov 6, 2024 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 6, 2024 | — |
| 4 | Insider transaction | Nov 4, 2024 | Nov 1, 2024 |
| 4 | Insider transaction | Nov 4, 2024 | Nov 1, 2024 |
| 144 | Notice of proposed sale | Nov 1, 2024 | — |
| 144 | Notice of proposed sale | Nov 1, 2024 | — |
| 10-Q | Quarterly report | Nov 1, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 1, 2024 | Nov 1, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 4, 2024 |
| 144 | Notice of proposed sale | Oct 4, 2024 | — |
| 4 | Insider transaction | Oct 2, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 3 | Initial insider ownership | Oct 1, 2024 | Oct 1, 2024 |
| 144 | Notice of proposed sale | Oct 1, 2024 | — |
| 144 | Notice of proposed sale | Oct 1, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Sep 12, 2024 | Sep 12, 2024 |
| 4 | Insider transaction | Sep 5, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Sep 5, 2024 | Sep 3, 2024 |
| 144 | Notice of proposed sale | Sep 3, 2024 | — |
| 144 | Notice of proposed sale | Sep 3, 2024 | — |
| 4 | Insider transaction | Aug 27, 2024 | Aug 23, 2024 |
| 144 | Notice of proposed sale | Aug 23, 2024 | — |
| 3 | Initial insider ownership | Aug 19, 2024 | Aug 19, 2024 |
| 8-K |
Current report
Officer or director change
|
Aug 19, 2024 | Aug 19, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 2, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 144 | Notice of proposed sale | Aug 2, 2024 | — |
| 10-Q | Quarterly report | Aug 2, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 2, 2024 | Aug 2, 2024 |
| 144 | Notice of proposed sale | Aug 1, 2024 | — |
| 144 | Notice of proposed sale | Aug 1, 2024 | — |
| 144 | Notice of proposed sale | Jul 31, 2024 | — |
| 4 | Insider transaction | Jul 31, 2024 | Jul 30, 2024 |
| 144 | Notice of proposed sale | Jul 30, 2024 | — |
| 4 | Insider transaction | Jul 2, 2024 | Jun 28, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jun 28, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jul 1, 2024 |
| 144 | Notice of proposed sale | Jul 1, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 3, 2024 |
| 144 | Notice of proposed sale | Jun 3, 2024 | — |
| 8-K |
Current report
Officer or director change
|
May 20, 2024 | May 20, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 10-Q | Quarterly report | May 3, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
May 3, 2024 | May 3, 2024 |
| 144 | Notice of proposed sale | May 1, 2024 | — |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 13, 2024 |
| 144 | Notice of proposed sale | Apr 4, 2024 | — |
| 4 | Insider transaction | Apr 4, 2024 | Apr 2, 2024 |
| 144 | Notice of proposed sale | Apr 2, 2024 | — |
| 4 | Insider transaction | Apr 1, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 4 | Insider transaction | Apr 1, 2024 | Mar 28, 2024 |
| 144 | Notice of proposed sale | Apr 1, 2024 | — |
| 144 | Notice of proposed sale | Apr 1, 2024 | — |
| 144 | Notice of proposed sale | Mar 28, 2024 | — |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
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
- Plastic Materials, Synth Resins & Nonvulcan Elastomers (SIC 2821)
- Listed as
- ASIX (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Parsippany, NJ
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1673985
Other Plastic Materials, Synth Resins & Nonvulcan Elastomers companies
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All 12 Plastic Materials, Synth Resins & Nonvulcan Elastomers companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.