Masters Charles 4

What Happened

• Charles Masters, Senior Vice President of Atmus Filtration Technologies Inc. (ATMU), sold 2,890 shares on 2026-06-01 at $45.25 per share, generating proceeds of $130,764. The sale is reported as a disposition (transaction code S) and reflects shares sold to satisfy a tax withholding obligation tied to vested awards.

Key Details

• Transaction date: 2026-06-01
• Price per share: $45.25
• Shares sold: 2,890 — Total proceeds: $130,764
• Transaction type/code: Sale (S) — reported as an open market or private sale
• Footnote: F1 — shares were sold upon vesting of the first half of a launch grant award to cover the reporting person's tax withholding obligation
• Shares owned after the transaction: Not specified in the provided filing summary
• Filing date and timeliness: Form 4 filed 2026-06-02 (appears timely; no late filing indicated)

Context

• This was a sell to meet tax withholding on vested award shares (a common, routine transaction) rather than a discretionary sale intended to express a view on the stock. Such withholding sales are generally not taken as a strong signal of insider sentiment.