HAGGERTY GRETCHEN R 4

What Happened
Gretchen R. Haggerty, a director of Atmus Filtration Technologies, made open-market purchases and received a grant on May 12, 2026. She purchased three lots totaling 1,973.351 shares for a combined cash outlay of $110,000: 100.351 shares @ $55.71 ($5,591); 1 share @ $55.74 ($56); and 1,872 shares @ $55.74 ($104,353). She was also granted 2,619 restricted share units (RSUs) (reported at $0.00 value).

Key Details

• Transaction date: May 12, 2026 (reported on Form 4 filed May 13, 2026).
• Purchases (code P): 100.351 shares @ $55.71 ($5,591); 1 share @ $55.74 ($56); 1,872 shares @ $55.74 ($104,353). Total cash spent: $110,000 on ~1,973.351 shares.
• Award (code A): 2,619 RSUs @ $0.00 (no immediate cash value).
• Shares owned after transaction: not disclosed in this filing.
• Footnote: RSUs granted as part of 2026–2027 Annual Director Compensation; RSUs fully vest on May 12, 2027, or at the next Annual Meeting of Stockholders, whichever comes first.
• Filing timeliness: filed the next day (May 13, 2026) — appears timely (Form 4 is due within two business days). No 10b5‑1 plan, tax withholding, or late‑filing indication was noted in the report.

Context
Open-market purchases by directors are often watched by investors as a direct buy signal, since they increase the director’s personal stake. RSU grants are routine director compensation and vest over time (here, one year or at the next annual meeting). This filing shows both a cash purchase and standard equity compensation; it is factual reporting of those transactions, not an explanation of the director’s motives.