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ATMU · Atmus Filtration Technologies Inc.
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TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475
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ATMU

Atmus Filtration Technologies Inc.
INDUSTRIALS · MOTOR VEHICLE PARTS & ACCESSORIES · CIK 0001921963
FORM 144 · 1☆ WATCH
INSIDER NET · 180D
-$1.6M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
2
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
181
13F, latest reported quarter
REVENUE GROWTH
+5.7%
XBRL, annual
NET MARGIN
11.8%
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$1.6M over 180 days
-$97.4K over 90 days
below 53% of Industrials
CONGRESS
no member of Congress has reported trading it
FUNDS
181 funds added or opened last quarter
more than 62% of Industrials
REVENUE
+5.7% year over year
below 52% of Industrials
MARGIN
11.8% net margin
more than 81% of Industrials
BUYBACKS
$20.3M repurchased, FY to 2026-06-30
below 62% of Industrials
SHORT
3.6% of shares outstanding short · 5.3 days to cover · settled 2026-07-31
more than 55% of Industrials
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$1.6M across 4 people in 180 days.
181 funds added or opened positions in the latest 13F quarter, of 337 holders.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN +8.3%
+8.3%12M
-4%+13%+30%+47%2025-092025-102025-122026-032026-052026-072026-09 2026-06-01 · Disher Stephanie sold $1.2M2026-06-01 · Kienzler Jack sold $232.2K2026-08-17 · Swan Renee sold $197.0K2026-06-01 · Masters Charles sold $130.8K2026-06-01 · Swan Renee sold $116.1K2026-05-12 · HAGGERTY GRETCHEN R bought $104.3K2026-08-12 · Macadam Stephen E. bought $99.6K2026-05-12 · HAGGERTY GRETCHEN R bought $5.6K2025-11-13 · Donoso Diego sold $9772025-09-05 · Donoso Diego bought $6872026-05-12 · HAGGERTY GRETCHEN R bought $562026-08-17 · Swan Renee filed to sell $197.0K
INSIDER BUYINSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $1.6M sold by insiders over 180 days, 181 funds added last quarter, $197.0K in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Atmus Filtration Technologies Inc. insiders sold a net $1.6M of stock across 18 Form 4 purchases and sales, with 2 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER
FILED
SHARES
VALUE
Swan Renee
Chief People Officer
SELL
2026-08-17
3,870.0
$197.0K
Macadam Stephen E.
Director
BUY
2026-08-12
2,000.0
$99.6K
Swan Renee
Chief People Officer
SELL
2026-06-01
2,566.0
$116.1K
Masters Charles
Senior Vice President
SELL
2026-06-01
2,890.0
$130.8K
Kienzler Jack
Chief Financial Officer
SELL
2026-06-01
5,132.0
$232.2K
18 TRANSACTIONS ON RECORD

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Institutional holders
13F · holdings as of the latest quarter funds have reported
BlackRock, Inc.
12,387,072.0 sh
$631.6M
FMR LLC
5,316,383.0 sh
$271.1M
VANGUARD PORTFOLIO MANAGEMENT LLC
4,604,869.0 sh
$234.8M
Invesco Ltd.
4,457,550.0 sh
$227.3M
VANGUARD CAPITAL MANAGEMENT LLC
3,609,746.0 sh
$184.1M
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
Swan Renee
FILED 2026-08-17
$197.0K
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
abrdn Focused U.S. Small Cap Active ETF
$274.0K POSITION · AS OF 2026-04-30
2.7%
Columbia Select Small Cap Value Fund
$10.4M POSITION · AS OF 2026-02-28
2.6%
Tema American Reshoring ETF
$6.9M POSITION · AS OF 2026-02-28
2.6%
Columbia Variable Portfolio - Select Small Cap Value Fund
$2.8M POSITION · AS OF 2026-03-31
2.5%
CHANNING INTRINSIC VALUE SMALL-CAP FUND
$274.4K POSITION · AS OF 2026-04-30
2.5%
Cambiar Small Cap Fund
$1.7M POSITION · AS OF 2026-04-30
2.5%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Executive pay vs shareholder return
DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself
FY
CEO TOTAL
ACTUALLY PAID
OTHER NEOs AVG
TSR
PEER TSR
2024
$6.1M
$13.3M
$1.4M
+82%
+45%
2023
$8.8M
$10.7M
$1.9M
+8%
+25%
TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-122022-12
REVENUE$1.8B$1.7B$1.6B$1.6B
GROSS PROFIT$498.3M$462.1M$432.7M$359.2M
OPERATING INCOME$299.0M$266.2M$248.4M$203.9M
NET INCOME$207.4M$185.6M$171.3M$170.4M
EPS (DILUTED)2.502.222.052.05
OPERATING CASH FLOW$202.7M$105.4M$189.0M$165.7M
CASH$236.4M$184.3M$168.0M$0
LONG-TERM DEBT$540.0M$570.0M$592.5M$0
BUYBACKS$60.7M$20.0M$0$0
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

SEC FORM 4FORM 13F 13D/GFORM 144XBRL STOCK ACTCONTRACTSFEC CFPBNRC
© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-05 ALL SYSTEMS LIVE FOR MACHINES →