Diego Donoso

Executive

Director

Atmus Filtration Technologies Inc.Atmus Filtration Technologies Inc.DOW Inc.Graftech International Ltd

Insider activity · 24 months0 buys1 saleCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 1 saleMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 0 salesMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Companies

▲ Purchases (0 ops.)

—

▼ Sales (1 ops.)

€1,386

Latest filing published 13 May 2026 for Atmus Filtration Technologies Inc.. Read the official filing

Filing timeline

BuySale

Diego Donoso

Insider track record

Disclosed buys

Disclosed sells

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

Diego Donoso: trading record in brief

Diego Donoso (senior executive) discloses dealings in 3 companies, chiefly Atmus Filtration Technologies Inc., DOW Inc. and Graftech International Ltd. Between 10 February 2022 and 12 May 2026, the trades on record add up to 10 filings.

On the market, this insider has only sold: 1 sale, €1,386 in total. Other entries cover 5 share grants and 2 option exercises.

The latest filing, published on 13 May 2026, reports a share grant in Atmus Filtration Technologies Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 4 days. US insiders must file a Form 4 within two business days of a trade. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.