Welcome to our dedicated page for Atmus Filtration Technologies SEC filings (Ticker: ATMU), 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.
Atmus Filtration Technologies filings document the regulatory record for a public filtration and media solutions company with Power Solutions and Industrial Solutions segments. Form 8-K reports cover operating and financial results, Regulation FD disclosures, dividend announcements, executive and director appointments, and other material-event disclosures.
The company’s proxy materials describe annual meeting matters, board composition, director independence, executive compensation and stockholder voting items. Its filing record also includes disclosure categories related to material agreements, capital structure, risk factors, governance and the company’s operating performance following its expansion into industrial filtration through Koch Filter.
Atmus Filtration Technologies reports a strong first full year as an independent public company and calls its 2026 virtual annual meeting for May 12, 2026. In 2025, Atmus achieved 5.7% organic growth, with sales of $1.764 billion, net income of $207.4 million and Adjusted EBITDA of $353.5 million.
The company returned $78 million to stockholders through dividends and buybacks while investing for growth, including acquiring Koch Filter and entering an amended and restated $1.5 billion credit agreement to build an industrial air filtration platform. Atmus also completed its separation from Cummins and transformed its supply chain.
The proxy seeks stockholder votes to elect four directors to one‑year terms, approve 2025 executive compensation on an advisory basis, and ratify PricewaterhouseCoopers as auditor. Governance changes include declassifying the Board by 2028, eliminating supermajority voting to remove directors, maintaining an independent chair and setting robust stock ownership and clawback policies.
The Vanguard Group filed Amendment No. 1 to a Schedule 13G/A reporting 0 shares of Atmus Filtration Technologies Inc. common stock. The filing states that, following an internal realignment effective January 12, 2026, certain Vanguard subsidiaries will report disaggregated ownership and The Vanguard Group no longer is deemed to beneficially own the securities held by those subsidiaries. The amendment is signed by a Vanguard officer on March 26, 2026.
Atmus Filtration Technologies Inc. Senior Vice President Charles Masters reported share dispositions tied to equity awards. On February 27, 2026, the company withheld 9,046 shares of common stock at $64.53 per share upon vesting of performance share units to cover his tax withholding obligation. On the same date, the company also withheld 2,131 shares at $64.53 per share upon vesting of restricted share units for the same purpose. After these tax-withholding dispositions, Masters held 42,339 shares of Atmus common stock directly.
Atmus Filtration Technologies’ Chief People Officer Renee Swan reported share dispositions related to tax withholding on equity awards. On the transaction date, 9,570 shares of common stock were withheld at $64.53 per share to satisfy tax obligations on vested Performance Share Units from the 2023–2025 grant cycle.
An additional 2,254 shares were withheld at $64.53 per share to cover taxes on vested Restricted Share Units from the same 2023–2025 grant cycle. After these tax-withholding dispositions, Swan directly owned 51,349 shares of Atmus Filtration Technologies common stock.
Atmus Filtration Technologies Inc. Chief Financial Officer Jack Kienzler reported two tax-related share-withholding transactions involving the company’s common stock. On February 27, 2026, a total of 20,117 shares were withheld at $64.53 per share to satisfy his tax obligations on vesting equity awards.
According to the footnotes, 16,266 shares were withheld upon vesting of Performance Share Units from the 2023–2025 grant cycle, and 3,851 shares were withheld upon vesting of Restricted Share Units from the same cycle. These are non‑open‑market, tax‑withholding dispositions, and Kienzler continues to hold a significant remaining stake directly.
Atmus Filtration Technologies director and Chief Executive Officer Stephanie Disher reported tax-related share dispositions in company common stock. On February 27, 2026, shares were withheld in two transactions, covering 66,639 and 15,854 shares at $64.53 per share to satisfy tax withholding obligations on vested performance and restricted share units from the 2023-2025 grant cycle. After these withholdings, Disher directly held 357,184 common shares, indicating the transactions were administrative tax settlements rather than open-market sales.
Eminence Capital, LP and Ricky C. Sandler filed Amendment No. 2 to a Schedule 13G/A reporting their beneficial ownership in Atmus Filtration Technologies Inc. common stock.
They report beneficial ownership of 3,825,346 shares of common stock, representing 4.7% of the class, based on 81,507,839 shares outstanding as of October 31, 2025. All voting and dispositive power over these shares is shared, with no sole voting or dispositive power reported.
The position is held through various Eminence investment funds and separately managed accounts, and the filers certify the shares were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Atmus Filtration Technologies.
T. Rowe Price Associates, Inc. filed a Schedule 13G reporting beneficial ownership of 4,677,937 shares of Atmus Filtration Technologies common stock, representing 5.7% of the class as of 12/31/2025. The firm reports sole voting power over 4,561,818 shares and sole dispositive power over 4,677,884 shares, with no shared voting or dispositive power. It certifies that the shares were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Atmus.
Atmus Filtration Technologies Chief People Officer Renee Swan acquired 18,536 shares of common stock on February 13, 2026 through a performance share award. The shares were granted at $0 per share after achievement of 2023 performance metrics under a Performance Share Unit (PSU) program.
The PSUs will cliff vest on March 1, 2026 and convert into common stock on a 1:1 basis. Following this award, Swan directly beneficially owns 63,173 shares of Atmus Filtration Technologies common stock.
Atmus Filtration Technologies Inc. reported that Senior Vice President Charles Masters acquired 21,152 shares of common stock on February 13, 2026 through a performance-based equity award. The shares were earned under a 2023 Performance Share Unit (PSU) award tied to achievement of specific performance metrics.
The PSUs cliff vest on March 1, 2026 and convert into common stock on a 1-for-1 basis. Following this award, Masters directly beneficially owns 53,516 shares of Atmus Filtration Technologies common stock.