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 INC reported an amended Schedule 13G showing BlackRock, Inc. beneficially owns 11,570,977 shares, representing 14.2% of the outstanding common stock. The filing lists sole voting power of 11,424,832 shares and sole dispositive power of 11,570,977. The amendment clarifies that the stake reflects holdings across certain BlackRock business units and identifies iShares Core S&P Small-Cap ETF as an underlying holder above 5%.
Atmus Filtration Technologies delivered solid Q1 2026 growth while completing a major acquisition and recapitalization. Net sales rose to $477.5 million, up 14.6% year over year, as Koch Filter contributed $38.4 million, favorable currency added $16.3 million, and pricing added $8.3 million.
Net income increased to $48.4 million and diluted EPS to $0.59, with gross margin improving to 28.6% of sales. EBITDA was $87.1 million and Adjusted EBITDA $94.5 million. Atmus closed the $456.4 million Koch Filter acquisition, creating the Industrial Solutions segment and adding $215.0 million of intangibles and $219.2 million of goodwill.
To fund the deal and refinance prior borrowings, Atmus entered a new 2026 Credit Agreement with a $1.0 billion term loan and $500 million revolver; $1.0 billion is outstanding. Long-term debt rose to $998.1 million. Operating cash flow was $38.1 million, free cash flow $25.5 million. The company repurchased $7.3 million of stock under its $150 million program and paid a quarterly dividend of $0.055 per share.
Atmus Filtration Technologies Inc. reported solid growth for the first quarter of 2026, helped by its acquisition of Koch Filter and the launch of its Industrial Solutions segment. Net sales rose to $477.5 million from $416.5 million a year earlier, an increase of 14.6%.
GAAP net income grew to $48.4 million, with diluted earnings per share of $0.59, while adjusted earnings per share increased to $0.69. Adjusted EBITDA improved to $94.5 million, giving a 19.8% margin. Cash provided by operating activities was $38.1 million and adjusted free cash flow reached $32.9 million, both higher than the prior year.
The Koch Filter acquisition closed on January 7, 2026, creating the new Industrial Solutions segment, which contributed $38.4 million of external sales in the quarter. Atmus reaffirmed its full-year 2026 outlook, including total net sales between $1,945 million and $2,015 million, adjusted EBITDA margin of 19.5%–20.5% and adjusted earnings per share of $2.75 to $3.00.
Atmus Filtration Technologies Inc ownership disclosure: Vanguard Capital Management reports beneficial ownership of 4,171,105 shares of Common Stock, representing 5.11% of the class. The filing states Vanguard has sole dispositive power over 4,171,105 shares and sole voting power for 604,619 shares.
The filing is a Schedule 13G-style ownership statement signed by Ashley Grim on 04/29/2026, listing Vanguard affiliates and clarifying that no other single person holds more than 5% of the class. Address and CUSIP 04956D107 are provided.
Atmus Filtration Technologies granted Chief Executive Officer Stephanie Disher 31,492 restricted stock units as part of its 2026 annual long-term incentive compensation program. These RSUs vest in three equal tranches beginning on March 1, 2027, and each vested unit will convert into one share of common stock, bringing her direct holdings to 388,676 shares.
Atmus Filtration Technologies Inc. reported that Chief Financial Officer Jack Kienzler received a grant of 5,163 restricted stock units as part of Atmus' 2026 annual long-term incentive compensation program. The award was granted at no cash cost to him.
The RSUs will vest in three equal tranches, beginning on March 1, 2027, and each vested RSU will convert into one share of Atmus common stock. Following this grant, Kienzler holds a total of 80,936 shares of common stock directly.
Heltebran Laura reported acquisition or exercise transactions in this Form 4 filing.
Atmus Filtration Technologies Inc. reported that its Chief Legal Officer and Corporate Secretary, Laura Heltebran, received a grant of 3,717 restricted stock units as part of the company’s 2026 annual long-term incentive compensation program. These RSUs were granted under the Atmus 2022 Omnibus Incentive Plan and represent equity-based compensation rather than an open-market share purchase.
The RSUs will vest in three equal tranches beginning on March 1, 2027, with each vested unit settling into one share of Atmus common stock. Following this award, Heltebran now holds 24,161 shares of common stock directly, reflecting her ongoing equity stake tied to the company’s future performance and retention incentives.
Masters Charles reported acquisition or exercise transactions in this Form 4 filing.
Atmus Filtration Technologies Inc. Senior Vice President Charles Masters received a grant of 4,130 restricted stock units as part of the company’s 2026 annual long-term incentive compensation program. Following this award, he holds 46,469 shares of common stock directly.
The RSUs were granted under the Atmus Filtration Technologies Inc. 2022 Omnibus Incentive Plan and will vest in three equal tranches beginning on March 1, 2027. Each restricted stock unit that vests will be settled in one share of Atmus common stock, aligning a portion of his compensation with future company performance.
Atmus Filtration Technologies Inc. granted Chief People Officer Renee Swan 1,962 restricted stock units (RSUs) of common stock on April 1, 2026 as part of its 2026 annual long-term incentive compensation program under the 2022 Omnibus Incentive Plan. The RSUs will vest in three equal tranches beginning on March 1, 2027, and each vested RSU will convert into one share of Atmus common stock. Following this award, Swan directly holds 53,311 shares of Atmus common stock.