Donoso Diego (CIK 1809708) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-13). Recent activity: Buy ATMU (2,619 shares), Sell ATMU (40 shares), Buy ATMU (25 shares), Buy ATMU (15 shares), Sell ATMU (20 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-13 | Atmus Filtration Technologies Inc. (ATMU) | Director | Buy | 2,619 | $0 |
| 2025-11-19 | Atmus Filtration Technologies Inc. (ATMU) | Director | Sell | 40 | $1,512 |
| 2025-11-19 | Atmus Filtration Technologies Inc. (ATMU) | Director | Buy | 25 | $1,125 |
| 2025-11-19 | Atmus Filtration Technologies Inc. (ATMU) | Director | Buy | 15 | $687 |
| 2025-11-19 | Atmus Filtration Technologies Inc. (ATMU) | Director | Sell | 20 | $977 |
| 2025-11-19 | Atmus Filtration Technologies Inc. (ATMU) | Director | Buy | 20 | $0 |
| 2025-05-21 | Atmus Filtration Technologies Inc. (ATMU) | Director | Buy | 3,886 | $0 |
Source: SEC Form 4 filings · as of 2026-05-13