Atmus Filtration Technologies Inc. (ATMU) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending February 19, 2026, Atmus Filtration Technologies's three dominant insider ownership positions are held by Chief Executive Officer Stephanie Disher (439.68K shares), Chief Financial Officer Jack Kienzler (95.89K shares), Chief People Officer Renee Swan (63.17K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Stephanie Disher Chief Executive Officer 439,677 17 Feb, 2026
Jack Kienzler Chief Financial Officer 95,890 17 Feb, 2026
Renee Swan Chief People Officer 63,173 17 Feb, 2026
Charles Masters Senior Vice President 53,516 17 Feb, 2026
Stephen E. Macadam 35,969 21 May, 2025
Toni Hickey Chief Legal Officer 25,629 17 Apr, 2024
Gretchen R Haggerty 23,768 21 May, 2025
Laura Heltebran Clo & Corp Sec 20,444 13 May, 2025
Jane A Leipold 17,919 21 May, 2025
Roy Edwin Bennett 16,701 21 May, 2025
Stuart A Ii Taylor 9,078 21 May, 2025
Diego Donoso 9,078 21 May, 2025
Tony Satterthwaite 4,012 19 Mar, 2024
Heath Sharp 3,114 09 Feb, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
13 Feb, 2026 Stephanie Disher Common Stock A 169,209 $0.00 439,677 D A
13 Feb, 2026 Charles Masters Common Stock A 21,152 $0.00 53,516 D A
13 Feb, 2026 Jack Kienzler Common Stock A 41,094 $0.00 95,890 D A
13 Feb, 2026 Renee Swan Common Stock A 18,536 $0.00 63,173 D A
05 Feb, 2026 Heath Sharp Common Stock A 614 $0.00 3,114 D A
03 Oct, 2025 Charles Masters Common Stock D 28 $44.50 32,364 D F
03 Oct, 2025 Jack Kienzler Common Stock D 25 $44.50 54,796 D F
14 Aug, 2025 Renee Swan Common Stock D 5,007 $45.18 44,637 D F
14 Aug, 2025 Renee Swan - - 44,637 D
20 May, 2025 Stuart A Ii Taylor - - 9,078 D
20 May, 2025 Stuart A Ii Taylor Common Stock A 3,886 $0.00 9,078 D A
20 May, 2025 Gretchen R Haggerty Common Stock A 3,886 $0.00 23,768 D A
20 May, 2025 Jane A Leipold Common Stock A 3,886 $0.00 17,919 D A
20 May, 2025 Stephen E. Macadam Common Stock A 3,886 $0.00 35,969 D A
20 May, 2025 Diego Donoso Common Stock A 3,886 $0.00 9,078 D A
20 May, 2025 Roy Edwin Bennett Common Stock A 3,886 $0.00 16,701 D A
13 May, 2025 Laura Heltebran - - 20,444 D
13 May, 2025 Laura Heltebran Common Stock A 20,444 $0.00 20,444 D A
01 Apr, 2025 Stephanie Disher Common Stock A 40,021 $0.00 270,468 D A
01 Apr, 2025 Charles Masters Common Stock A 4,402 $0.00 32,392 D A