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 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Aug 17, 2026 | 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 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2026 | Jun 22, 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 |
| 8-K |
Current report
Officer or director change
|
Apr 13, 2026 | Apr 13, 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 |
| 8-K |
Current report
Officer or director change
|
Dec 22, 2025 | Dec 22, 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 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 23, 2025 | Oct 23, 2025 |
| 8-K |
Current report
Officer or director change
|
Sep 2, 2025 | Sep 2, 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 |
| 8-K |
Current report
Officer or director change
|
Jul 9, 2025 | Jul 9, 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 |
| DEFA14A | Additional proxy material | May 16, 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 |
| 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 |
| 8-K |
Current report
Officer or director change
|
Mar 17, 2025 | Mar 17, 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 |
| 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 |
| 8-K |
Current report
Officer or director change
|
Sep 12, 2024 | Sep 12, 2024 |
| 8-K |
Current report
Officer or director change
|
Aug 19, 2024 | Aug 19, 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 |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Officer or director change
|
May 20, 2024 | May 20, 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 |
| 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 |
| 10-K | Annual report | Feb 16, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 16, 2024 | Feb 16, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 19, 2024 | Jan 19, 2024 |
| 10-Q | Quarterly report | Nov 3, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 3, 2023 | Nov 3, 2023 |
| 10-Q | Quarterly report | Aug 4, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 4, 2023 | Aug 4, 2023 |
| CT ORDER | Filing | Jul 21, 2023 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 20, 2023 | Jun 15, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
May 8, 2023 | May 8, 2023 |
| 10-Q | Quarterly report | May 5, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
May 5, 2023 | May 5, 2023 |
| ARS | Annual report to shareholders | Apr 28, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| DEF 14A | Proxy statement | Apr 28, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Apr 14, 2023 | Apr 14, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 7, 2023 | Apr 7, 2023 |
| 10-K | Annual report | Feb 17, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 17, 2023 | Feb 17, 2023 |
| 10-Q | Quarterly report | Nov 4, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 4, 2022 | Nov 4, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 7, 2022 | Oct 7, 2022 |
| 10-Q | Quarterly report | Aug 5, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 5, 2022 | Aug 5, 2022 |
| S-8 | Employee stock plan registration | Jun 16, 2022 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 16, 2022 | Jun 15, 2022 |
| 10-Q | Quarterly report | May 6, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 6, 2022 | May 6, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2022 | — |
| DEF 14A | Proxy statement | Apr 28, 2022 | Jun 15, 2022 |
| 10-K | Annual report | Feb 18, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 18, 2022 | Feb 18, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 14, 2021 | Dec 14, 2021 |
| 10-Q | Quarterly report | Oct 29, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Material agreement, Agreement ended, Results of operations, New debt
|
Oct 29, 2021 | Oct 27, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 28, 2021 | Sep 28, 2021 |
| 8-K |
Current report
Officer or director change
|
Sep 10, 2021 | Sep 10, 2021 |
| 10-Q | Quarterly report | Jul 30, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2021 | Jul 30, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2021 | Jun 10, 2021 |
| 10-Q | Quarterly report | Apr 30, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2021 | Apr 30, 2021 |
| DEFA14A | Additional proxy material | Apr 26, 2021 | — |
| DEF 14A | Proxy statement | Apr 26, 2021 | Jun 10, 2021 |
| 10-K | Annual report | Feb 19, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 19, 2021 | Feb 19, 2021 |
| 10-Q | Quarterly report | Oct 30, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2020 | Oct 30, 2020 |
| 10-Q | Quarterly report | Jul 31, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2020 | Jul 31, 2020 |
| S-8 | Employee stock plan registration | Jun 23, 2020 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 23, 2020 | Jun 23, 2020 |
| 10-Q | Quarterly report | May 1, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 1, 2020 | May 1, 2020 |
| DEFA14A | Additional proxy material | Apr 29, 2020 | — |
| DEF 14A | Proxy statement | Apr 29, 2020 | Jun 23, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 31, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Officer or director change
|
Mar 13, 2020 | Mar 12, 2020 |
| 8-K |
Current report
Officer or director change
|
Feb 25, 2020 | Feb 25, 2020 |
| 10-K | Annual report | Feb 21, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Material agreement, Results of operations, New debt
|
Feb 21, 2020 | Feb 21, 2020 |
| 10-Q | Quarterly report | Nov 1, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2019 | Nov 1, 2019 |
| 10-Q | Quarterly report | Aug 1, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2019 | Aug 1, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 24, 2019 | Jun 24, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Jun 12, 2019 | Jun 11, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
May 13, 2019 | May 9, 2019 |
| 10-Q | Quarterly report | May 3, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs, Impairment
|
May 3, 2019 | May 2, 2019 |
| DEFA14A | Additional proxy material | Apr 26, 2019 | — |
| DEF 14A | Proxy statement | Apr 26, 2019 | Jun 11, 2019 |
| PRE 14A | Preliminary proxy statement | Apr 11, 2019 | Jun 11, 2019 |
| CT ORDER | Filing | Apr 3, 2019 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 11, 2019 | Mar 11, 2019 |
| 10-K | Annual report | Feb 22, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 22, 2019 | Feb 22, 2019 |
| 8-K |
Current report
Material agreement
|
Dec 7, 2018 | Dec 4, 2018 |
| 10-Q | Quarterly report | Nov 2, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2018 | Nov 2, 2018 |
| 10-Q | Quarterly report | Aug 3, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2018 | Aug 3, 2018 |
| UPLOAD | Letter from the SEC | Jul 31, 2018 | — |
| CORRESP | Letter to the SEC | Jul 23, 2018 | — |
| UPLOAD | Letter from the SEC | Jul 11, 2018 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 15, 2018 | Jun 14, 2018 |
| 10-Q | Quarterly report | May 4, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations, Other events
|
May 4, 2018 | May 4, 2018 |
| DEFA14A | Additional proxy material | Apr 27, 2018 | — |
| DEF 14A | Proxy statement | Apr 27, 2018 | Jun 14, 2018 |
| CT ORDER | Filing | Mar 27, 2018 | — |
| 10-K | Annual report | Feb 27, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Material agreement, Results of operations, New debt
|
Feb 23, 2018 | Feb 21, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 17, 2018 | Jan 17, 2018 |
| 8-K |
Current report
Officer or director change
|
Nov 15, 2017 | Nov 10, 2017 |
| 10-Q | Quarterly report | Nov 7, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2017 | Nov 7, 2017 |
| S-8 | Employee stock plan registration | Sep 26, 2017 | — |
| 8-K |
Current report
Officer or director change
|
Sep 26, 2017 | Sep 21, 2017 |
| 10-Q | Quarterly report | Aug 10, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2017 | Aug 10, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Jun 2, 2017 | Jun 1, 2017 |
| 10-Q | Quarterly report | May 11, 2017 | Mar 31, 2017 |
| 8-K |
Current report
Results of operations
|
May 11, 2017 | May 11, 2017 |
| DEFA14A | Additional proxy material | Apr 13, 2017 | — |
| DEF 14A | Proxy statement | Apr 13, 2017 | Jun 1, 2017 |
| CT ORDER | Filing | Mar 30, 2017 | — |
| 10-K | Annual report | Mar 6, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Results of operations
|
Mar 3, 2017 | Mar 3, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 8, 2016 | Dec 8, 2016 |
| 10-Q | Quarterly report | Nov 10, 2016 | Sep 30, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2016 | Nov 10, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 31, 2016 | Oct 31, 2016 |
| 8-K |
Current report
Material agreement, New debt, Change to shareholder rights, Officer or director change, Bylaw or fiscal year change, Other events
|
Oct 3, 2016 | Sep 29, 2016 |
| S-8 | Employee stock plan registration | Sep 30, 2016 | — |
| 8-K |
Current report
Material agreement
|
Sep 28, 2016 | Sep 22, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 15, 2016 | Sep 15, 2016 |
| CT ORDER | Filing | Sep 9, 2016 | — |
| CORRESP | Letter to the SEC | Sep 7, 2016 | — |
| 10-12B/A | Filing | Sep 7, 2016 | — |
| CERTNYS | Auto-generated paper document | Sep 6, 2016 | — |
| CORRESP | Letter to the SEC | Aug 31, 2016 | — |
| 10-12B/A | Filing | Aug 31, 2016 | — |
| UPLOAD | Letter from the SEC | Aug 26, 2016 | — |
| 10-12B/A | Filing | Aug 17, 2016 | — |
| CORRESP | Letter to the SEC | Aug 16, 2016 | — |
| 10-12B/A | Filing | Aug 16, 2016 | — |
| UPLOAD | Letter from the SEC | Aug 3, 2016 | — |
| CORRESP | Letter to the SEC | Jul 25, 2016 | — |
| 10-12B/A | Filing | Jul 25, 2016 | — |
| UPLOAD | Letter from the SEC | Jun 8, 2016 | — |
| 10-12B | Filing | May 12, 2016 | — |
Showing 180 filings. 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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- DuPont de Nemours, Inc. DD
- Albemarle Corp ALB
- Eastman Chemical Co EMN
- Hexcel Corp /DE/ HXL
- Avient Corp AVNT
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- PureCycle Technologies, Inc. PCT
All 12 Plastic Materials, Synth Resins & Nonvulcan Elastomers companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.