Atmus Filtration director Donoso sold 20 shares at $48.84 on 2025-11-13 (60 total sold vs 40 purchased in the filing); net -20 shares held.
Donoso Diego's Form 4 filing reveals 2 separate sales totaling 60 shares for $2,488.40 and 2 separate purchases totaling 40 shares for $1,812.15, resulting in net sales of 20 shares. The director sold 40 shares at $37.79 on 2025-04-02 when the stock was near the 52-week floor, then accumulated 40 shares at higher prices ($45.00 and $45.81) during mid-year strength, before selling an additional 20 shares at $48.84 on 2025-11-13 near the 52-week high. His post-transaction holdings of 9,078 shares represent a -0.2% reduction from prior holdings. The stock currently trades at $46.92, up 5.7% over 30 days and 11.0% over 90 days, having moved within a 52-week band of $31.66–$49.99.