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).
| 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.
| 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 |