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.

AdvanSix Inc. SEC filings
Form Description Filed Period
4 Insider transaction Oct 8, 2026 Oct 6, 2026
SCHEDULE 13G Ownership over 5% (passive) Aug 14, 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
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 —
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 —
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
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
4 Insider transaction Dec 17, 2025 Dec 15, 2025
4 Insider transaction Dec 17, 2025 Dec 15, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Oct 30, 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 —
4 Insider transaction Aug 4, 2025 Aug 1, 2025
144 Notice of proposed sale Aug 1, 2025 —
3 Initial insider ownership Jul 17, 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
4 Insider transaction Jun 4, 2025 Jun 2, 2025
144 Notice of proposed sale Jun 2, 2025 —
4 Insider transaction May 5, 2025 May 1, 2025
144 Notice of proposed sale May 1, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Apr 30, 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
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 —
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 —
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 —
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
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 —
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 —
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 —
4 Insider transaction May 3, 2024 May 1, 2024
144 Notice of proposed sale May 1, 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
4 Insider transaction Mar 1, 2024 Feb 28, 2024
4 Insider transaction Mar 1, 2024 Feb 28, 2024
4 Insider transaction Mar 1, 2024 Feb 28, 2024
144 Notice of proposed sale Mar 1, 2024 —
4 Insider transaction Feb 27, 2024 Feb 24, 2024
4 Insider transaction Feb 27, 2024 Feb 24, 2024
4 Insider transaction Feb 27, 2024 Feb 24, 2024
4 Insider transaction Feb 27, 2024 Feb 24, 2024
4 Insider transaction Feb 27, 2024 Feb 24, 2024
SC 13G/A Amended ownership over 5% (passive) Feb 13, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 9, 2024 —
SC 13G Ownership over 5% (passive) Feb 7, 2024 —
SC 13G/A Amended ownership over 5% (passive) Jan 19, 2024 —
4 Insider transaction Jan 2, 2024 Jan 2, 2024
144 Notice of proposed sale Jan 2, 2024 —
4 Insider transaction Dec 18, 2023 Dec 18, 2023
4 Insider transaction Dec 18, 2023 Dec 15, 2023
4 Insider transaction Dec 18, 2023 Dec 15, 2023
144 Notice of proposed sale Dec 18, 2023 —
4 Insider transaction Oct 3, 2023 Sep 29, 2023
4 Insider transaction Oct 3, 2023 Sep 29, 2023
4 Insider transaction Oct 2, 2023 Oct 2, 2023
144 Notice of proposed sale Oct 2, 2023 —
4 Insider transaction Sep 1, 2023 Sep 1, 2023
144 Notice of proposed sale Sep 1, 2023 —
4 Insider transaction Aug 1, 2023 Aug 1, 2023
144 Notice of proposed sale Aug 1, 2023 —
4 Insider transaction Jul 17, 2023 Jul 17, 2023
144 Notice of proposed sale Jul 17, 2023 —
4 Insider transaction Jul 5, 2023 Jun 30, 2023
4 Insider transaction Jul 5, 2023 Jun 30, 2023
4 Insider transaction Jul 5, 2023 Jul 3, 2023
144 Notice of proposed sale Jul 3, 2023 —
4 Insider transaction Jun 27, 2023 Jun 24, 2023
4 Insider transaction Jun 20, 2023 Jun 15, 2023
4 Insider transaction Jun 20, 2023 Jun 15, 2023
4 Insider transaction Jun 20, 2023 Jun 15, 2023
4 Insider transaction Jun 20, 2023 Jun 15, 2023
4 Insider transaction Jun 20, 2023 Jun 15, 2023
4 Insider transaction Jun 20, 2023 Jun 15, 2023
4 Insider transaction Jun 20, 2023 Jun 15, 2023
4 Insider transaction Jun 16, 2023 Jun 16, 2023
144 Notice of proposed sale Jun 16, 2023 —
4 Insider transaction Jun 14, 2023 Jun 12, 2023
144 Notice of proposed sale Jun 12, 2023 —
4 Insider transaction May 19, 2023 May 19, 2023
4 Insider transaction Apr 18, 2023 Apr 17, 2023
4/A Form 4/a Apr 3, 2023 Feb 28, 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.

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

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.