Atmus Filtration Technologies Inc. (ATMU) is a publicly traded company in the Unknown sector. Across all available filings, 15 corporate insiders have executed 66 transactions totaling $666.1K, demonstrating a bullish sentiment with $661.1K in net insider flow. The most recent transaction on Feb 5, 2026 involved a transaction of 614 shares valued at $0.
No significant insider buying has been recorded for ATMU in the recent period.
No significant insider selling has been recorded for ATMU in the recent period.
Based on recent SEC filings, insider sentiment for ATMU is bullish with an Insider Alignment Score of 100/100 and a net flow of $661.1K. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
Insider trading at Atmus Filtration Technologies Inc. (ATMU) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 15 insiders are actively trading ATMU stock, having executed 66 transactions in the past 90 days. The most active insider is Stephen E. Macadam (Executive), who has made 6 transactions totaling $461.8K.
Get notified when executives and directors at ATMU file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Feb 5, 2026 | Sharp Heath | Executive | Award | 614 | $N/A | $0 | |
| Nov 18, 2025 | Donoso Diego | Executive | Other | 20 | $N/A | $0 | |
| Nov 13, 2025 | Donoso Diego | Executive | Sale | 20 | $48.84 | $977 | |
| Oct 3, 2025 | Masters Charles | Executive | Payment | 28 | $44.50 | $1.2K | |
| Oct 3, 2025 | Kienzler Jack | Executive | Payment | 25 | $44.50 | $1.1K | |
| Sep 5, 2025 | Donoso Diego | Executive | Purchase | 15 | $45.81 | $687 | |
| Aug 14, 2025 | Swan Renee | Executive | Payment | 5,007 | $45.18 | $226.2K | |
| Aug 13, 2025 | Donoso Diego | Executive | Purchase | 25 | $45.00 | $1.1K | |
| Apr 2, 2025 | Donoso Diego | Executive | Sale | 40 | $37.79 | $1.5K | |
| Aug 23, 2024 | R. Haggerty Gretchen | Executive | Purchase | 5,848.8 | $34.20 | $200.0K | |
| Aug 14, 2024 | Swan Renee | Executive | Payment | 3,536 | $32.78 | $115.9K | |
| Aug 7, 2024 | E. Macadam Stephen | Executive | Purchase | 8,250 | $31.56 | $260.4K | |
| May 14, 2024 | A. Taylor Stuart II | Executive | Award | 4,565 | $N/A | $0 | |
| May 14, 2024 | Donoso Diego | Executive | Award | 4,565 | $N/A | $0 | |
| May 14, 2024 | A. Leipold Jane | Executive | Award | 4,565 | $N/A | $0 |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Purchase(P) | 6 | $663.6K | 57.1% |
Payment(F) | 12 | $495.5K | 42.7% |
Sale(S) | 3 | $2.5K | 0.2% |
Award(A) | 42 | $0 | 0.0% |
Other(J) | 3 | $0 | 0.0% |
Insiders at Atmus Filtration Technologies Inc. are accumulating shares at an accelerated pace. With 15 insiders making 66 transactions totaling $663.6K in purchases versus $2.5K in sales, the net buying activity of $661.1K signals strong executive confidence. Stephen E. Macadam (Executive) leads the buying activity with $461.8K in transactions across all time.