There have been 50 recent insider transactions recorded for Atmus Filtration Technologies Inc. (ATMU), including 30 buys and 17 sells. Total insider buying was valued at $563.54K and total insider selling at $2.04M.
Notable insiders with recent activity include Heltebran Laura, Disher Stephanie, Masters Charles. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — ATMU
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-01 |
Heltebran Laura |
CLO & Corp Sec |
RSU Award |
3,717 |
- |
- |
24,161 |
| 2026-04-01 |
Disher Stephanie |
Chief Executive Officer |
RSU Award |
31,492 |
- |
- |
388,676 |
| 2026-04-01 |
Masters Charles |
Senior Vice President |
RSU Award |
4,130 |
- |
- |
46,469 |
| 2026-04-01 |
Kienzler Jack |
Chief Financial Officer |
RSU Award |
5,163 |
- |
- |
80,936 |
| 2026-04-01 |
Swan Renee |
Chief People Officer |
RSU Award |
1,962 |
- |
- |
53,311 |
| 2026-02-27 |
Disher Stephanie |
Chief Executive Officer |
Tax Withholding of RSU |
15,854 |
$64.53 |
$1.02M |
357,184 |
| 2026-02-27 |
Masters Charles |
Senior Vice President |
Tax Withholding of RSU |
2,131 |
$64.53 |
$137.51K |
42,339 |
| 2026-02-27 |
Kienzler Jack |
Chief Financial Officer |
Tax Withholding of RSU |
3,851 |
$64.53 |
$248.51K |
75,773 |
| 2026-02-27 |
Swan Renee |
Chief People Officer |
Tax Withholding of RSU |
2,254 |
$64.53 |
$145.45K |
51,349 |
| 2026-02-13 |
Disher Stephanie |
Chief Executive Officer |
RSU Award |
169,209 |
- |
- |
439,677 |
| 2026-02-13 |
Masters Charles |
Senior Vice President |
RSU Award |
21,152 |
- |
- |
53,516 |
| 2026-02-13 |
Kienzler Jack |
Chief Financial Officer |
RSU Award |
41,094 |
- |
- |
95,890 |
| 2026-02-13 |
Swan Renee |
Chief People Officer |
RSU Award |
18,536 |
- |
- |
63,173 |
| 2026-02-05 |
Sharp Heath |
Director |
Unknown |
- |
- |
- |
2,500 |
| 2026-02-05 |
Sharp Heath |
Director |
RSU Award |
614 |
- |
- |
3,114 |
| 2025-11-18 |
Donoso Diego |
Director |
Other (Buy) |
20 |
- |
- |
9,078 |
| 2025-11-13 |
Donoso Diego |
Director |
Informative Sell |
20 |
$48.84 |
$976.80 |
9,058 |
| 2025-10-03 |
Masters Charles |
Senior Vice President |
Tax Withholding of RSU |
28 |
$44.50 |
$1.25K |
32,364 |
| 2025-10-03 |
Kienzler Jack |
Chief Financial Officer |
Tax Withholding of RSU |
25 |
$44.50 |
$1.11K |
54,796 |
| 2025-09-05 |
Donoso Diego |
Director |
Informative Buy |
15 |
$45.81 |
$687.15 |
9,078 |
| 2025-08-14 |
Swan Renee |
Chief People Officer |
Tax Withholding of RSU |
5,007 |
$45.18 |
$226.22K |
44,637 |
| 2025-08-13 |
Donoso Diego |
Director |
Informative Buy |
25 |
$45.00 |
$1.13K |
9,063 |
| 2025-05-20 |
Taylor Stuart A Ii |
Director |
RSU Award |
3,886 |
- |
- |
9,078 |
| 2025-05-20 |
Haggerty Gretchen R |
Director |
RSU Award |
3,886 |
- |
- |
23,768 |
| 2025-05-20 |
Leipold Jane A |
Director |
RSU Award |
3,886 |
- |
- |
17,919 |
| 2025-05-20 |
Macadam Stephen E. |
Director |
RSU Award |
3,886 |
- |
- |
35,969 |
| 2025-05-20 |
Donoso Diego |
Director |
RSU Award |
3,886 |
- |
- |
9,078 |
| 2025-05-20 |
Bennett Roy Edwin |
Director |
RSU Award |
3,886 |
- |
- |
16,701 |
| 2025-05-13 |
Heltebran Laura |
CLO & Corp Sec |
RSU Award |
20,444 |
- |
- |
20,444 |
| 2025-05-08 |
Heltebran Laura |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-04-02 |
Donoso Diego |
Director |
Informative Sell |
40 |
$37.79 |
$1.51K |
9,038 |
| 2025-04-01 |
Disher Stephanie |
Chief Executive Officer |
RSU Award |
40,021 |
- |
- |
270,468 |
| 2025-04-01 |
Masters Charles |
Senior Vice President |
RSU Award |
4,402 |
- |
- |
32,392 |
| 2025-04-01 |
Kienzler Jack |
Chief Financial Officer |
RSU Award |
6,804 |
- |
- |
54,821 |
| 2025-04-01 |
Swan Renee |
Chief People Officer |
RSU Award |
2,802 |
- |
- |
49,644 |
| 2025-03-03 |
Disher Stephanie |
Chief Executive Officer |
Tax Withholding of RSU |
2,463 |
$39.80 |
$98.03K |
230,447 |
| 2025-03-03 |
Masters Charles |
Senior Vice President |
Tax Withholding of RSU |
570 |
$39.80 |
$22.69K |
27,990 |
| 2025-03-03 |
Kienzler Jack |
Chief Financial Officer |
Tax Withholding of RSU |
383 |
$39.80 |
$15.24K |
48,017 |
| 2025-02-17 |
Disher Stephanie |
Chief Executive Officer |
RSU Award |
11,003 |
- |
- |
235,625 |
| 2025-02-17 |
Masters Charles |
Senior Vice President |
RSU Award |
2,252 |
- |
- |
29,296 |
| 2025-02-17 |
Kienzler Jack |
Chief Financial Officer |
RSU Award |
1,535 |
- |
- |
48,856 |
| 2024-10-03 |
Kienzler Jack |
Officer |
Unknown |
- |
- |
- |
- |
| 2024-10-03 |
Masters Charles |
VP, Engine Products |
Tax Withholding of RSU |
20 |
$37.96 |
$759.20 |
27,044 |
| 2024-10-03 |
Masters Charles |
VP, Engine Products |
Tax Withholding of RSU |
26 |
$37.96 |
$986.96 |
27,125 |
| 2024-10-03 |
Kienzler Jack |
Chief Financial Officer |
Tax Withholding of RSU |
22 |
$37.96 |
$835.12 |
47,408 |
| 2024-08-23 |
Haggerty Gretchen R |
Director |
Informative Buy |
5,849 |
$34.20 |
$200.01K |
19,882 |
| 2024-08-14 |
Swan Renee |
Chief People Officer |
Tax Withholding of RSU |
3,536 |
$32.78 |
$115.91K |
46,842 |
| 2024-08-07 |
Macadam Stephen E. |
Director |
Informative Buy |
8,250 |
$31.56 |
$260.37K |
32,083 |
| 2024-03-18 |
Cummins Inc |
10 Percent Owner |
Other (Sell) |
67,054,726 |
- |
- |
- |
| 2023-11-09 |
Macadam Stephen E. |
Director |
Informative Buy |
5,200 |
$19.49 |
$101.35K |
19,268 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
