Atmus Filtration Technologies Inc.
ATMU- Exchange
- NYSE
- Industry
- Motor Vehicle Parts & Accessories
- SEC CIK
- 0001921963
In the last 90 days, Atmus Filtration Technologies Inc. insiders filed 1 open-market purchase and 1 sale; 335 institutions reported holding it in 13F filings for Q2 2026, worth $4.47B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Atmus Filtration Technologies Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 1 filing
- 1 insider, $99.6K in total
- Open-market sells
- 1 filing
- 1 insider, $197.0K in total
- Insiders trading
- 2
- Net value
- −$97.4K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Atmus Filtration Technologies Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Swan Renee | Chief People Officer | 46,875 | Aug 18, 2026 | 5 |
| Macadam Stephen E. | Director | 40,588 | Aug 13, 2026 | 2 |
| Disher Steph | Chief Executive Officer | 363,024 | Jun 2, 2026 | 4 |
| Masters Charles | Senior Vice President | 43,579 | Jun 2, 2026 | 5 |
| Kienzler Jack | Chief Financial Officer | 75,804 | Jun 2, 2026 | 5 |
| Taylor Stuart A II | Director | 11,697 | May 13, 2026 | 1 |
| Haggerty Gretchen R | Director | 28,360 | May 13, 2026 | 1 |
| Leipold Jane A | Director | 20,538 | May 13, 2026 | 1 |
| Donoso Diego | Director | 11,697 | May 13, 2026 | 2 |
| Carpenter Kevin N | SVP-Chief Supply Chain Officer | 28,509 | May 13, 2026 | 1 |
| Bennett Roy Edwin | Director | 19,320 | May 13, 2026 | 1 |
| Sharp Heath | Director | 5,733 | May 13, 2026 | 2 |
| Heltebran Laura | CLO & Corp Sec | 24,161 | Apr 2, 2026 | 1 |
| Hickey Toni | Chief Legal Officer | 25,629 | Apr 17, 2024 | 0 |
| Cummins Inc | 10% Owner | 0 | Mar 19, 2024 | 0 |
| Satterthwaite Tony | Director | 4,012 | Mar 19, 2024 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 18, 2026 (view filing)1:23 PM ET | Aug 17 | 1 day | Swan ReneeChief People Officer | SSale | −3.87K | $50.89 | −$197.0K | −7.6%46.9K after | |
| Aug 13, 2026 (view filing)2:48 PM ET | Aug 12 | 1 day | Macadam Stephen E.Director | PPurchase | +2.00K | $49.78 | +$99.6K | +5.2%40.6K after | |
| Jun 2, 2026 (view filing) | Jun 1 | 1 day | Swan ReneeChief People Officer | SSale | −2.57K | $45.25 | −$116.1K | −4.8%50.7K after | |
| Jun 2, 2026 (view filing) | Jun 1 | 1 day | Kienzler JackChief Financial Officer | SSale | −5.13K | $45.25 | −$232.2K | −6.3%75.8K after | |
| Jun 2, 2026 (view filing) | Jun 1 | 1 day | Masters CharlesSenior Vice President | SSale | −2.89K | $45.25 | −$130.8K | −6.2%43.6K after | |
| Jun 2, 2026 (view filing) | Jun 1 | 1 day | Disher StephChief Executive Officer | SSale | −25.7K | $45.25 | −$1.16M | −6.6%363.0K after | |
| May 13, 2026 (view filing) | May 12 | 1 day | Haggerty Gretchen RDirector | PPurchase | +1.97K | $55.74 | +$110.0K | +8.3%25.7K after | 3 lots |
| Nov 19, 2025 (view filing) | Apr 2-Nov 13 | 231 daysLate | Donoso DiegoDirector | SSale | −60 | $41.47 | −$2.49K | −0.7%9.06K after | 2 lots |
| Nov 19, 2025 (view filing) | Aug 13-Sep 5 | 98 daysLate | Donoso DiegoDirector | PPurchase | +40 | $45.30 | +$1.81K | +0.4%9.08K after | 2 lots |
| Aug 27, 2024 (view filing) | Aug 23 | 4 days | Haggerty Gretchen RDirector | PPurchase | +5.85K | $34.20 | +$200.0K | +41.7%19.9K after | |
| Aug 8, 2024 (view filing) | Aug 7 | 1 day | Macadam Stephen E.Director | PPurchase | +8.25K | $31.56 | +$260.4K | +34.6%32.1K after | |
| Nov 9, 2023 (view filing) | Nov 9 | Same day | Macadam Stephen E.Director | PPurchase | +5.20K | $19.49 | +$101.3K | +37.0%19.3K after | |
| May 31, 2023 (view filing) | May 30 | 1 day | Cummins Inc10% Owner | SSale | −16.2M | – | – | −19.5%67.1M after | |
| May 26, 2023 (view filing) | May 26 | Same day | Macadam Stephen E.Director | PPurchase | +4.60K | $21.75 | +$100.0K | New position4.60K after |