Company profile
Atmus Filtration Technologies Inc. Insider Trading
ATMUEvery SEC Form 4 insider trading filing for Atmus Filtration Technologies Inc. (ATMU) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Motor Vehicle Parts & Accessories
- CIK
- 0001921963
- Filings
- 102
- Insiders
- 16
- Last filing
- 2026-08-17
Activity summary
No insider transactions in the last 30 days. The most recent was on August 17, 2026, when Renee Swan sold 3,870 shares. 102 filings from 16 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Atmus Filtration Technologies Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $8.1M.
90 day insight
Over the last 90 days, Atmus Filtration Technologies Inc. insiders bought $100K (1 transaction) and sold $197K (1 transaction).
- Most active insider: Renee Swan with 1 transaction totaling $197K.
- Largest single sale: $197K by Renee Swan on Aug 17, 2026.
Activity is mixed: buys and sales are roughly balanced.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 17, 2026 | Renee Swan | ATMU | Sale | 3,870 | $50.89 | $197K |
| Aug 12, 2026 | Stephen E. Macadam | ATMU | Purchase | 2,000 | $49.78 | $100K |
| Jun 1, 2026 | Stephanie Disher | ATMU | Sale | 25,652 | $45.25 | $1.16M |
| Jun 1, 2026 | Charles Masters | ATMU | Sale | 2,890 | $45.25 | $131K |
| Jun 1, 2026 | Jack Kienzler | ATMU | Sale | 5,132 | $45.25 | $232K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=ATMU" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Atmus Filtration Technologies Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →