Atmus Filtration Technologies Inc. (ATMU) has 12 open-market insider trades by 7 insiders since 2023. Over the last six months insiders net sold $1.6M. The most active filer is Stephen E. Macadam, Director.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Stephanie Disher | CEO | — | 1 | $1.2M | 2026-06-01 |
| Stephen E. Macadam | Dir | — | 4 | $663K | 2026-08-12 |
| Gretchen R. Haggerty | Dir | — | 2 | $510K | 2026-05-12 |
| Renee Swan | CPO | — | 2 | $313K | 2026-08-17 |
| Jack Kienzler | CFO | — | 1 | $232K | 2026-06-01 |
| Charles Masters | PresVP | — | 1 | $131K | 2026-06-01 |
| Diego Donoso | Dir | — | 1 | $4K | 2026-05-12 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Renee Swan | CPO | Sell | $197K | 2026-08-17 |
| Stephen E. Macadam | Director | Buy | $100K | 2026-08-12 |
| Renee Swan | CPO | Sell | $116K | 2026-06-01 |
| Jack Kienzler | CFO | Sell | $232K | 2026-06-01 |
| Stephanie Disher | CEO | Sell | $1.2M | 2026-06-01 |
| Charles Masters | President & VP | Sell | $131K | 2026-06-01 |
Companies that share insiders with ATMU, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Gretchen R. Haggerty | Director | Buy | $110K | 2026-05-12 |
| Diego Donoso | Director | Buy | $2K | 2025-08-13 |
| Diego Donoso | Director | Sell | $2K | 2025-04-02 |
| Gretchen R. Haggerty | Director | Buy | $400K | 2024-08-23 |
| Stephen E. Macadam | Director | Buy | $260K | 2024-08-07 |
| Stephen E. Macadam | Director | Buy | $203K | 2023-11-09 |
| Stephen E. Macadam | Director | Buy | $100K | 2023-05-26 |