Atmus Filtration Technologies Inc (ATMU) insider trading
Every open-market stock purchase and sale by Atmus Filtration Technologies Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Stephen E. Macadam (Director) bought $99.6K in the last 90 days, growing their stake 5%.
- Renee Swan (C-suite exec) sold $197K in the last 90 days.
Last 12 months: insiders bought $210K (2 buys) and sold $1.8M (6 sales). Last close $45.08 on Oct 21, 2026.
Recent ATMU insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Aug 17, 2026 | Renee Swan (C-suite exec) | Sold | $197K |
| Aug 12, 2026 | Stephen E. Macadam (Director) | Bought | $99.6K |
| Jun 1, 2026 | Stephanie Disher (CEO) | Sold | $1.2M |
| Jun 1, 2026 | Jack Kienzler (CFO) | Sold | $232K |
| Jun 1, 2026 | Charles Masters (President) | Sold | $131K |
| Jun 1, 2026 | Renee Swan (C-suite exec) | Sold | $116K |
| May 12, 2026 | Gretchen R Haggerty (Director) | Bought | $104K |
| May 12, 2026 | Gretchen R Haggerty (Director) | Bought | $5.6K |
| May 12, 2026 | Gretchen R Haggerty (Director) | Bought | $56 |
| May 12, 2026 | Stuart A Taylor II (Director) | Bought (not open market) | — |
| May 12, 2026 | Gretchen R Haggerty (Director) | Bought (not open market) | — |
| May 12, 2026 | Jane A Leipold (Director) | Bought (not open market) | — |
| May 12, 2026 | Stephen E. Macadam (Director) | Bought (not open market) | — |
| May 12, 2026 | Diego Donoso (Director) | Bought (not open market) | — |
| May 12, 2026 | Kevin N Carpenter (VP) | Bought (not open market) | — |
| May 12, 2026 | Roy Edwin Bennett (Director) | Bought (not open market) | — |
| May 12, 2026 | Heath Sharp (Director) | Bought (not open market) | — |
| Apr 1, 2026 | Laura Heltebran (C-suite exec) | Bought (not open market) | — |
| Apr 1, 2026 | Stephanie Disher (CEO) | Bought (not open market) | — |
| Apr 1, 2026 | Charles Masters (President) | Bought (not open market) | — |
| Apr 1, 2026 | Jack Kienzler (CFO) | Bought (not open market) | — |
| Apr 1, 2026 | Renee Swan (C-suite exec) | Bought (not open market) | — |
| Feb 27, 2026 | Stephanie Disher (CEO) | Sold (not open market) | $4.3M |
| Feb 27, 2026 | Jack Kienzler (CFO) | Sold (not open market) | $1M |
| Feb 27, 2026 | Stephanie Disher (CEO) | Sold (not open market) | $1M |
Who's trading ATMU
- Renee Swan, C-suite exec: sold $313K (2 sales), last Aug 17, 2026
- Stephen E. Macadam, Director: bought $99.6K (1 buy), last Aug 12, 2026
- Stephanie Disher, CEO: sold $1.2M (1 sale), last Jun 1, 2026
- Charles Masters, President: sold $131K (1 sale), last Jun 1, 2026
- Jack Kienzler, CFO: sold $232K (1 sale), last Jun 1, 2026
- Stuart A Taylor II, Director: other filings, last May 12, 2026
- Kevin N Carpenter, VP: other filings, last May 12, 2026
- Diego Donoso, Director: sold $977 (1 sale), last May 12, 2026
- Gretchen R Haggerty, Director: bought $110K (3 buys), last May 12, 2026
- Jane A Leipold, Director: other filings, last May 12, 2026
- Heath Sharp, Director: other filings, last May 12, 2026
- Roy Edwin Bennett, Director: other filings, last May 12, 2026
- Laura Heltebran, C-suite exec: other filings, last Apr 1, 2026
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