Kienzler Jack (CIK 1978216) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-02). Recent activity: Sell ATMU (5,132 shares), Buy ATMU (5,163 shares), Sell ATMU (16,266 shares), Sell ATMU (3,851 shares), Buy ATMU (41,094 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-02 | Atmus Filtration Technologies Inc. (ATMU) | Chief Financial Officer | Sell | 5,132 | $232,208 |
| 2026-04-02 | Atmus Filtration Technologies Inc. (ATMU) | Chief Financial Officer | Buy | 5,163 | $0 |
| 2026-03-03 | Atmus Filtration Technologies Inc. (ATMU) | Chief Financial Officer | Sell | 16,266 | $1.0M |
| 2026-03-03 | Atmus Filtration Technologies Inc. (ATMU) | Chief Financial Officer | Sell | 3,851 | $248,505 |
| 2026-02-17 | Atmus Filtration Technologies Inc. (ATMU) | Chief Financial Officer | Buy | 41,094 | $0 |
| 2025-10-07 | Atmus Filtration Technologies Inc. (ATMU) | Chief Financial Officer | Sell | 25 | $1,112 |
| 2025-04-03 | Atmus Filtration Technologies Inc. (ATMU) | Chief Financial Officer | Buy | 6,804 | $0 |
| 2025-03-05 | Atmus Filtration Technologies Inc. (ATMU) | Chief Financial Officer | Sell | 456 | $18,149 |
| 2025-03-05 | Atmus Filtration Technologies Inc. (ATMU) | Chief Financial Officer | Sell | 383 | $15,243 |
| 2025-02-19 | Atmus Filtration Technologies Inc. (ATMU) | Chief Financial Officer | Buy | 1,535 | $0 |
Source: SEC Form 4 filings · as of 2026-06-02