Patrick C. Day was named Chief Financial Officer of AdvanSix Inc., effective April 27, 2026. As of November 6, 2026, AdvanSix Inc. has reported one leadership change filing to the SEC under Item 5.02 of Form 8-K, on April 13, 2026, naming 1 appointment (Form 8-K, April 13, 2026).
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AdvanSix Inc. reported a change among its directors and officers to the SEC on Form 8-K, Item 5.02, on 2026-04-13. It names 1 person. Every row below is cited to the filing it comes from, and this page adds each new change as AdvanSix Inc. files it.
Also on the record for AdvanSix Inc.
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| August 14, 2026 | Stake report, Schedule 13G, by American Century Investment Management, Inc. | 5.1% of the class | 5%+ stakes | Source |
| July 14, 2026 | Stake report, Schedule 13G, by Dimensional Fund Advisors LP | 5.2% of the class | 5%+ stakes | Source |
| May 14, 2026 | Stake report, Schedule 13G, by CastleKnight Master Fund LP | 6.2% of the class | 5%+ stakes | Source |
| April 24, 2026 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 7.1% of the class | 5%+ stakes | Source |
| March 26, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | — | 5%+ stakes | Source |
| February 11, 2026 | Stake report, Schedule 13G/A, by Victory Capital Management, Inc. | 0.51% of the class | 5%+ stakes | Source |
| January 30, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | 6.35% of the class | 5%+ stakes | Source |
| January 21, 2026 | Stake report, Schedule 13G/A, by Dimensional Fund Advisors LP | 4.8% of the class | 5%+ stakes | Source |
| January 8, 2026 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 11.9% of the class | 5%+ stakes | Source |
| October 30, 2025 | Stake report, Schedule 13G/A, by Victory Capital Management, Inc. | 8.12% of the class | 5%+ stakes | Source |
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More on AdvanSix Inc. and the records around it.
AdvanSix Inc. elsewhere on the record
- 5%+ stake filings Aug 2026
- Who owns it
Companies that share a holder
- CastleKnight Master Fund LP also filed stake reports on 17 other companies: Suja Life, Inc. (Aug 2026), Advantage Solutions Inc. (Aug 2026), HAIN CELESTIAL GROUP INC (Aug 2026)
- Victory Capital Management, Inc. also filed stake reports on 41 other companies: Angel Oak Mortgage REIT, Inc. (Nov 2026), Bowhead Specialty Holdings Inc. (Jul 2026), Dole plc (Jul 2026)
- American Century Investment Management, Inc. also filed stake reports on 83 other companies: Visteon Corporation (Oct 2026), MarineMax, Inc. (Sep 2026), Allegiant Travel Company (Aug 2026)
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-04-13 | In | Chief Financial Officer | 2026-04-27 | 8-K, 2026-04-13 |
Who leads AdvanSix Inc., as last reported?
For each role that changed in the filings below, the most recent change reported. A role that did not change in these filings is not listed.
- Chief Financial Officer: Patrick C. Day, appointed, effective 2026-04-27 (filed 2026-04-13).
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Find candidates like Chief Financial Officer at AdvanSix Inc.Every change, in the filing's words
Appointed: Patrick C. Day, Chief Financial Officer, effective 2026-04-27
On April 13, 2026, AdvanSix Inc. (the "Company") announced that its Board of Directors has appointed Patrick C. Day as Senior Vice President and Chief Financial Officer, effective on April 27, 2026 (the "Effective Date"), to succeed Christopher Gramm who has been serving as Interim Chief Financial Officer.
- Effective as of the Effective Date, Mr. Gramm will return to serving in his role as Vice President of Corporate Finance and Strategic Financial Planning and Analysis for the Company.
- Mr. Day, age 47, has served as Vice President, Financial Planning and Analysis and Investor Relations at FMC Corporation since January 2024.
- Mr. Day joined FMC in September 2013 as Director, Finance Transformation, and from January 2016 through August 2020, served as Finance Director for FMC's Europe, Middle East, and Africa region, and from August 2020 through December 2023, as FMC's Director, Global Financial Planning and Analysis.
- Prior to FMC, he worked at Deloitte Consulting and United Technologies Corporation in a variety of Finance and Finance Transformation roles.
- In his new role as Senior Vice President and Chief Financial Officer, Mr. Day will earn an annual base salary of $530,000.
- He will be entitled to participate in the Company's short-term incentive program with a target incentive compensation opportunity of 70% of his base salary (prorated for 2026), and will be eligible for grants of equity-based awards under the Company's long-term incentive program, with his initial annual award to be made as part of the 2027 cycle.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.