StockCIK 1921963
Atmus Filtration Technologies Inc. (ATMU): Insider Trades and Fund Holdings
In the past 12 months, Atmus Filtration Technologies Inc. insiders reported 1 open-market purchase worth $100K and 1 sale worth $197K; 0 of the sales were reported as made under a 10b5-1 trading plan.
1Insider buys, 12 months
$100KBought by insiders, 12 months
$197KSold by insiders, 12 months
0Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Aug 18, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Aug 18 | Renee SwanChief People Officer | ▼ SELL | $197K |
| Aug 13 | Stephen E. MacadamDirector | ▲ BUY | $100K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Renee Swan | Chief People Officer | 0 | $0 | 1 | $197K |
| Stephen E. Macadam | Director | 1 | $100K | 0 | $0 |
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Tracked funds that report ATMU
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 0 | $0 | ▼ Sold out |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →