ATMU

Industrials

Atmus Filtration Technologies Inc.

$56.33-0.65 (-1.14%)

Prev Close

$56.98

Open

$57.18

High

$58.39

Low

$55.78

Volume

364.8K

Market Cap

$4.68B

P/E

22.44

Div Yield

0.00%

Over the past 12 months, insider activity at Atmus Filtration Technologies Inc. (ATMU) has been dominated by selling, with 1 insider purchase totaling $1.8K and 4 insider sales totaling $231.1K. The most recent insider transaction was by Kienzler Jack (Chief Financial Officer), who sold $1.1K worth of shares on Oct 3, 2025. Atmus Filtration Technologies Inc. operates in the Industrials sector, within the Industrial - Pollution & Treatment Controls industry, with a market cap of $4.68B.

Buys (12M)

$1.8K

Sells (12M)

$231.1K

Net Activity

Net Seller

$229.3K

Active Insiders

last 12 mo

ATMU Price Chart

ATMU Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value
Oct 3, 2025↗	Kienzler Jack	Chief Financial Officer	Sell	25	$44.50	$1.1K
Oct 3, 2025↗	Masters Charles	Senior Vice President	Sell	28	$44.50	$1.2K
Aug 14, 2025↗	Swan Renee	Chief People Officer	Sell	5,007	$45.18	$226.2K
Apr 2, 2025↗	Donoso Diego	Director	Buy	40	$45.30	$1.8K
Apr 2, 2025↗	Donoso Diego	Director	Sell	60	$41.47	$2.5K
Mar 3, 2025↗	Disher Stephanie	Chief Executive Officer	Sell	5,178	$39.80	$206.1K
Mar 3, 2025↗	Kienzler Jack	Chief Financial Officer	Sell	839	$39.80	$33.4K
Mar 3, 2025↗	Masters Charles	Senior Vice President	Sell	1,306	$39.80	$52.0K
Oct 3, 2024↗	Kienzler Jack	Chief Financial Officer	Sell	22	$37.96	$835.12
Oct 3, 2024↗	Masters Charles	VP, Engine Products	Sell	26	$37.96	$986.96
Aug 23, 2024↗	HAGGERTY GRETCHEN R	Director	Buy	5,849	$34.19	$200.0K
Aug 14, 2024↗	Swan Renee	Chief People Officer	Sell	3,536	$32.78	$115.9K
Aug 7, 2024↗	Macadam Stephen E.	Director	Buy	8,250	$31.56	$260.4K
Mar 1, 2024↗	Disher Stephanie	Chief Executive Officer	Sell	3,294	$23.96	$78.9K
Mar 1, 2024↗	Hickey Toni	Chief Legal Officer	Sell	795	$23.96	$19.0K
Mar 1, 2024↗	Kienzler Jack	Chief Financial Officer	Sell	931	$23.96	$22.3K
Mar 1, 2024↗	Masters Charles	VP, Engine Products	Sell	1,282	$23.96	$30.7K
Nov 9, 2023↗	Macadam Stephen E.	Director	Buy	5,200	$19.49	$101.3K
May 26, 2023↗	Macadam Stephen E.	Director	Buy	4,600	$21.75	$100.0K

ATMU Insider Buying Activity

The following table shows recent insider purchases of Atmus Filtration Technologies Inc. (ATMU) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value
Apr 2, 2025↗	Donoso Diego	Director	Buy	40	$45.30	$1.8K
Aug 23, 2024↗	HAGGERTY GRETCHEN R	Director	Buy	5,849	$34.19	$200.0K
Aug 7, 2024↗	Macadam Stephen E.	Director	Buy	8,250	$31.56	$260.4K
Nov 9, 2023↗	Macadam Stephen E.	Director	Buy	5,200	$19.49	$101.3K
May 26, 2023↗	Macadam Stephen E.	Director	Buy	4,600	$21.75	$100.0K

ATMU Insider Selling Activity

The following table shows recent insider sales of Atmus Filtration Technologies Inc. (ATMU) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value
Oct 3, 2025↗	Kienzler Jack	Chief Financial Officer	Sell	25	$44.50	$1.1K
Oct 3, 2025↗	Masters Charles	Senior Vice President	Sell	28	$44.50	$1.2K
Aug 14, 2025↗	Swan Renee	Chief People Officer	Sell	5,007	$45.18	$226.2K
Apr 2, 2025↗	Donoso Diego	Director	Sell	60	$41.47	$2.5K
Mar 3, 2025↗	Disher Stephanie	Chief Executive Officer	Sell	5,178	$39.80	$206.1K
Mar 3, 2025↗	Kienzler Jack	Chief Financial Officer	Sell	839	$39.80	$33.4K
Mar 3, 2025↗	Masters Charles	Senior Vice President	Sell	1,306	$39.80	$52.0K
Oct 3, 2024↗	Kienzler Jack	Chief Financial Officer	Sell	22	$37.96	$835.12
Oct 3, 2024↗	Masters Charles	VP, Engine Products	Sell	26	$37.96	$986.96
Aug 14, 2024↗	Swan Renee	Chief People Officer	Sell	3,536	$32.78	$115.9K
Mar 1, 2024↗	Disher Stephanie	Chief Executive Officer	Sell	3,294	$23.96	$78.9K
Mar 1, 2024↗	Hickey Toni	Chief Legal Officer	Sell	795	$23.96	$19.0K
Mar 1, 2024↗	Kienzler Jack	Chief Financial Officer	Sell	931	$23.96	$22.3K
Mar 1, 2024↗	Masters Charles	VP, Engine Products	Sell	1,282	$23.96	$30.7K