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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

ATMU

Atmus Filtration Technologies Inc.

Superinvestors

Institutional investors holding ATMU

Consensus →
InvestorFundWeightSharesValueQuarter
Mario CibelliMarathon Partners4.82%75,000$4.3M2026Q1
Tweedy Browne Co.Tweedy Browne Value Fund0.17%40,550$2.1M2025Q4
Meridian / ArrowMarkMeridian Contrarian Fund0.05%157,117$4.5M2024Q2

Congressional Activity

Congressional data coming soon

Insider Activity

16

Total trades

$110K

Volume

16

Buys

0

Sells

Last trade: May 12, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 12, 2026Heath SharpBuy–
May 12, 2026Heath SharpBuy$6K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

May 12, 2026
Heath Sharp
Buy
$55.74
May 12, 2026Heath SharpBuy$104K
May 12, 2026Heath SharpBuy–
May 12, 2026Heath SharpBuy–
May 12, 2026Heath SharpBuy–
May 12, 2026Heath SharpBuy–
May 12, 2026Heath SharpBuy–
May 12, 2026Heath SharpBuy–
May 12, 2026Heath SharpBuy–
Apr 1, 2026Heath SharpBuy–
Apr 1, 2026Heath SharpBuy–
Apr 1, 2026Heath SharpBuy–
Apr 1, 2026Heath SharpBuy–
Apr 1, 2026Heath SharpBuy–