13 insiders reported 54 Form 4 transactions for Atmus Filtration Technologies Inc. (ATMU) over the past 18 months (most recent 2026-08-18). Recent activity: Swan Renee (Chief People Officer) Sell 3,870 shares, Macadam Stephen E. (Director) Buy 2,000 shares, Kienzler Jack (Chief Financial Officer) Sell 5,132 shares, Masters Charles (Senior Vice President) Sell 2,890 shares, Disher Stephanie (Chief Executive Officer) Sell 25,652 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | Swan Renee | Chief People Officer | Sell | 3,870 | $196,956 |
| 2026-08-13 | Macadam Stephen E. | Director | Buy | 2,000 | $99,551 |
| 2026-06-02 | Kienzler Jack | Chief Financial Officer | Sell | 5,132 | $232,223 |
| 2026-06-02 | Masters Charles | Senior Vice President | Sell | 2,890 | $130,772 |
| 2026-06-02 | Disher Stephanie | Chief Executive Officer | Sell | 25,652 | $1.2M |
| 2026-06-02 | Swan Renee | Chief People Officer | Sell | 2,566 | $116,112 |
| 2026-05-13 | HAGGERTY GRETCHEN R | Director | Buy | 1 | $56 |
| 2026-05-13 | Leipold Jane A | Director | Buy | 2,619 | $0 |
| 2026-05-13 | Bennett Roy Edwin | Director | Buy | 2,619 | $0 |
| 2026-05-13 | TAYLOR STUART A II | Director | Buy | 2,619 | $0 |
| 2026-05-13 | Macadam Stephen E. | Director | Buy | 2,619 | $0 |
| 2026-05-13 | HAGGERTY GRETCHEN R | Director | Buy | 100 | $5,590 |
| 2026-05-13 | Carpenter Kevin N | SVP-Chief Supply Chain Officer | Buy | 28,509 | $0 |
| 2026-05-13 | HAGGERTY GRETCHEN R | Director | Buy | 1,872 | $104,345 |
| 2026-05-13 | HAGGERTY GRETCHEN R | Director | Buy | 2,619 | $0 |
| 2026-05-13 | Donoso Diego | Director | Buy | 2,619 | $0 |
| 2026-05-13 | Sharp Heath | Director | Buy | 2,619 | $0 |
| 2026-04-02 | Kienzler Jack | Chief Financial Officer | Buy | 5,163 | $0 |
| 2026-04-02 | Disher Stephanie | Chief Executive Officer | Buy | 31,492 | $0 |
| 2026-04-02 | Heltebran Laura | CLO & Corp Sec | Buy | 3,717 | $0 |
| 2026-04-02 | Masters Charles | Senior Vice President | Buy | 4,130 | $0 |
| 2026-04-02 | Swan Renee | Chief People Officer | Buy | 1,962 | $0 |
| 2026-03-03 | Disher Stephanie | Chief Executive Officer | Sell | 66,639 | $4.3M |
| 2026-03-03 | Disher Stephanie | Chief Executive Officer | Sell | 15,854 | $1.0M |
| 2026-03-03 | Swan Renee | Chief People Officer | Sell | 9,570 | $617,552 |
Source: SEC Form 4 filings · as of 2026-08-18