AdvanSix Inc. — All Filings
681 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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144
3
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CT ORDER
DEF 14A
DEFA14A
PRE 14A
S-8
SC 13G
SC 13G/A
SCHEDULE 13G
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | FORM 4 | 0002059467-26-000004 | Mar 26, 2026 | Mar 24, 2026 |
| SCHEDULE 13G/A | — | 0000102909-26-000521 | Mar 26, 2026 | — |
| 4 | FORM 4 | 0001684047-26-000004 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0001806189-26-000004 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0001815987-26-000004 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0001684077-26-000004 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | FORM 4 | 0002059467-26-000002 | Mar 2, 2026 | Feb 26, 2026 |
| 4 | FORM 4 | 0001806189-26-000002 | Mar 2, 2026 | Feb 26, 2026 |
| 4 | FORM 4 | 0001815987-26-000002 | Mar 2, 2026 | Feb 26, 2026 |
| 4 | FORM 4 | 0001684047-26-000002 | Mar 2, 2026 | Feb 26, 2026 |
| 4 | FORM 4 | 0001684077-26-000002 | Mar 2, 2026 | Feb 26, 2026 |
| 10-K | 10-K | 0001673985-26-000008 | Feb 20, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001673985-26-000004 | Feb 20, 2026 | — |
| SCHEDULE 13G/A | — | 0001040188-26-000011 | Feb 11, 2026 | — |
| SCHEDULE 13G/A | — | 0000102909-26-000050 | Jan 30, 2026 | — |
| SCHEDULE 13G/A | — | 0000354204-26-000268 | Jan 21, 2026 | — |
| SCHEDULE 13G/A | — | 0002012383-26-000037 | Jan 8, 2026 | — |
| 3 | FORM 3 | 0001626272-26-000002 | Jan 5, 2026 | Jan 1, 2026 |
| 8-K | 8-K | 0001673985-25-000139 | Dec 22, 2025 | — |
| 4 | FORM 4 | 0001282236-25-000006 | Dec 17, 2025 | Dec 15, 2025 |
| 4 | FORM 4 | 0001338883-25-000006 | Dec 17, 2025 | Dec 15, 2025 |
| 10-Q | 10-Q | 0001673985-25-000135 | Nov 7, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001673985-25-000132 | Nov 7, 2025 | — |
| SCHEDULE 13G/A | — | 0001040188-25-000082 | Oct 30, 2025 | — |
| 8-K | CURRENT REPORT | 0000950157-25-000887 | Oct 23, 2025 | — |
| 4 | FORM 4 | 0001806189-25-000005 | Oct 3, 2025 | — |
| 144 | — | 0001964306-25-000371 | Oct 3, 2025 | — |
| 4 | FORM 4 | 0001338883-25-000004 | Oct 1, 2025 | Sep 30, 2025 |
| 4 | FORM 4 | 0001282236-25-000004 | Oct 1, 2025 | Sep 30, 2025 |
| 3 | FORM 3 | 0001673985-25-000126 | Sep 8, 2025 | Sep 2, 2025 |
| 3 | FORM 3 | 0001134707-25-000005 | Sep 8, 2025 | Sep 2, 2025 |
| 4 | FORM 4 | 0001806189-25-000003 | Sep 3, 2025 | Sep 2, 2025 |
| 144 | — | 0001964306-25-000345 | Sep 2, 2025 | — |
| 8-K | 8-K | 0001673985-25-000124 | Sep 2, 2025 | — |
| 4 | FORM 4 | 0001673985-25-000121 | Aug 4, 2025 | Aug 1, 2025 |
| 144 | — | 0001964306-25-000297 | Aug 1, 2025 | — |
| 10-Q | 10-Q | 0001673985-25-000119 | Aug 1, 2025 | Jun 30, 2025 |
| 8-K | 8-K | 0001673985-25-000116 | Aug 1, 2025 | — |
| 3 | FORM 3 | 0001673985-25-000109 | Jul 17, 2025 | Jul 9, 2025 |
| 8-K | 8-K | 0001673985-25-000106 | Jul 9, 2025 | — |
| 144 | — | 0001964306-25-000274 | Jul 2, 2025 | — |
| 4 | FORM 4 | 0001673985-25-000103 | Jul 2, 2025 | — |
| 4 | FORM 4 | 0001673985-25-000100 | Jul 1, 2025 | Jun 30, 2025 |
| 4 | FORM 4 | 0001673985-25-000098 | Jul 1, 2025 | Jun 30, 2025 |
| 4 | FORM 4 | 0001673985-25-000096 | Jun 20, 2025 | Jun 18, 2025 |
| 4 | FORM 4 | 0001673985-25-000094 | Jun 20, 2025 | Jun 18, 2025 |
| 4 | FORM 4 | 0001673985-25-000092 | Jun 20, 2025 | Jun 18, 2025 |
| 4 | FORM 4 | 0001673985-25-000090 | Jun 20, 2025 | Jun 18, 2025 |
| 4 | FORM 4 | 0001673985-25-000088 | Jun 20, 2025 | Jun 18, 2025 |
| 4 | FORM 4 | 0001673985-25-000086 | Jun 20, 2025 | Jun 18, 2025 |