Welcome to our dedicated page for AdvanSix SEC filings (Ticker: ASIX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
AdvanSix Inc. filings document an integrated chemistry issuer with common stock traded on the NYSE under ASIX. Its 8-K reports furnish operating results for Nylon Solutions, Plant Nutrients and Chemical Intermediates, cash dividends on common stock, executive and director appointments, committee assignments, and amendments to its senior secured revolving credit facility.
Proxy materials disclose board composition, independence, committee structure, executive compensation, equity awards and shareholder voting matters. The filing record also covers capital structure, financial obligations and governance practices tied to AdvanSix's vertically integrated manufacturing assets, raw-material exposure, plant operations and end markets for nylon, fertilizers and chemical intermediates.
Victory Capital Management, Inc. filed Amendment No. 2 to a Schedule 13G reporting its beneficial ownership in AdvanSix Inc. common stock. The firm reports beneficial ownership of 137,620 shares, representing 0.51% of the outstanding class as of September 30, 2025.
Victory Capital has sole voting power over 124,958 shares and no shared voting or dispositive power. The filing confirms the holdings are maintained in the ordinary course of business and not for the purpose of changing or influencing control of AdvanSix.
The Vanguard Group filed an amended Schedule 13G/A reporting beneficial ownership of 1,706,709 shares of AdvanSix Inc. common stock as of 12/31/2025, representing 6.35% of the class. Vanguard reports no sole voting or dispositive power, with shared voting power over 280,687 shares and shared dispositive power over all 1,706,709 shares.
The filing explains that, following an internal realignment effective 01/12/2026, certain Vanguard subsidiaries or business divisions that have or are deemed to have beneficial ownership are expected to report on a disaggregated basis. Vanguard states the securities are held in the ordinary course of business and not for the purpose of changing or influencing control of AdvanSix.
Dimensional Fund Advisors LP has filed an amended Schedule 13G reporting beneficial ownership of 1,302,875 shares of AdvanSix Inc. common stock, representing 4.8% of the outstanding class as of the reported date. Dimensional reports sole power to vote 1,276,424 shares and sole power to dispose of 1,302,875 shares.
The shares are held across various investment funds and accounts for which Dimensional and its subsidiaries act as investment adviser or manager, and all securities are owned by these funds. Dimensional states that the holdings are made in the ordinary course of business and not for the purpose of changing or influencing control of AdvanSix, consistent with a passive investment stance, and it disclaims beneficial ownership beyond Section 13(d) reporting purposes.
BlackRock, Inc. has filed an amended ownership report showing it is a major shareholder of AdvanSix Inc. common stock. As of 12/31/2025, BlackRock reports beneficial ownership of 3,199,954 AdvanSix shares, representing 11.9% of the outstanding common stock. It has sole voting power over 3,141,204 shares and sole dispositive power over all 3,199,954 shares, with no shared voting or dispositive power.
BlackRock states that the shares are held in the ordinary course of business and are not held for the purpose of changing or influencing control of AdvanSix. Various underlying clients and investors have rights to dividends or sale proceeds, but no single person has more than five percent of AdvanSix’s outstanding common shares through these holdings.
AdvanSix Inc. reported an initial insider ownership filing for a director effective 01/01/2026. The reporting person is identified as a director of AdvanSix and indicated beneficial ownership of 0 shares of AdvanSix common stock, par value $0.01 per share, held directly. The filing also shows no derivative securities, such as options or warrants, beneficially owned at this time. This Form 3 is filed by a single reporting person and establishes the director’s baseline ownership position in AdvanSix stock.
AdvanSix Inc. reported that its Board of Directors appointed Jeffrey J. Bird as a director, effective January 1, 2026. He will also serve on the Audit Committee and the Health, Safety and Environmental Committee starting on that date. The appointment increases the Board size to ten members, with nine qualifying as independent under New York Stock Exchange listing standards.
The filing highlights Mr. Bird’s extensive executive background in the global manufacturing and chemicals industry, including leadership roles at Dril-Quip, Frank’s International, Ascend Performance Materials and Danaher Corporation. He is described as bringing strong financial, accounting, operational, strategic and public company governance experience. As a non-employee director, he will receive compensation consistent with the practices described in AdvanSix’s April 29, 2025 proxy statement.
AdvanSix Inc. director Donald P. Newman reported acquiring 1,721 shares of common stock through a deferred stock unit allocation.
The transaction on 12/15/2025 reflects deferred compensation credited to his AdvanSix deferred stock unit fund at $15.97 per share, with each unit economically equivalent to one share and payable in stock upon distribution.
After this award, he beneficially owns 15,306 AdvanSix shares, including 88 stock units credited as dividend equivalents related to unvested restricted stock units and deferred stock units.
AdvanSix Inc. director Patrick Williams increased his stake through a deferred compensation allocation. On 12/15/2025, he acquired 821 shares of common stock at $15.97 per share via the company’s Deferred Compensation Plan, which credits a stock unit fund where each unit equals one share and is paid out in stock at distribution.
Following this transaction, Williams beneficially owns 35,923 AdvanSix common shares directly. This total includes 137 shares credited as stock units from dividend equivalents tied to unvested restricted stock units and deferred stock units, received in transactions exempt from reporting under Rule 16a-11.
AdvanSix (ASIX) reported a Q3 2025 net loss of $2.6 million (diluted EPS -$0.10) on sales of $374.5 million, down 6% year over year. Results reflected softer demand in nylon and chemical intermediates, lower raw-material pass-through pricing, and higher utilities, sulfur and natural gas costs, which compressed gross margin to 6.8% from 14.4%.
Year to date, sales were $1.16 billion with net income $52.1 million, helped by $26 million in business-interruption insurance proceeds recognized earlier this year and lower interest expense. Plant Nutrients remained a relative bright spot: in Q3 it represented $138.7 million (37%) as North American ammonium sulfate conditions stayed favorable.
Operating cash flow was $59.1 million for the first nine months, capex $88.8 million, and cash ended at $23.7 million. The company amended its revolver, extending $452 million of the $500 million facility to October 27, 2027, with the remaining $48 million maturing in 2026. The Board declared a $0.16 dividend payable December 2, 2025. Adjusted EBITDA for Q3 was $24.7 million (margin 6.6%), down from 13.4% a year ago.
AdvanSix Inc. furnished its quarterly results press release for the period ended September 30, 2025 and announced a cash dividend.
The Board declared a $0.16 per share cash dividend on common stock, payable on December 2, 2025 to shareholders of record as of the close of business on November 18, 2025. The dividend and results were included in a press release furnished as Exhibit 99.1.