Donoso Diego
SEC Form 4 insider trading activity
Donoso Diego has filed 2 SEC Form 4 filings (6 transaction rows) across 1 company, with disclosures dating back to 2025. 2 of those filings fall inside the rolling window. Most recent filing: May 13, 2026.
On the most recent filing, Donoso Diego is listed as Director at Atmus Filtration Technologies Inc. Inside the rolling window, Donoso Diego reported 2 open-market purchases totaling $2K in ATMU and 2 open-market sales totaling $2K in ATMU. The largest disclosed transaction in the window is a sale of 40 ATMU shares on Apr 2, 2025, worth $2K.
Companies traded
Other insiders at ATMU
Insider Buying
$2K
reported purchases (SEC code P)
Insider Selling
$2K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Donoso Diego made?
Donoso Diego has filed 2 SEC Form 4 filings (6 transaction rows) across 1 company since 2025.
Which companies does Donoso Diego trade?
Donoso Diego has filed SEC Form 4 disclosures for 1 company, including ATMU.
When was Donoso Diego's most recent SEC Form 4 filing?
Donoso Diego's most recent SEC Form 4 filing on Tracefour is dated May 13, 2026.
What is Donoso Diego's total buy and sell value in the current window?
Inside the rolling retention window, Donoso Diego bought $2K and sold $2K based on SEC Form 4 filings.
What was Donoso Diego's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 40 ATMU shares on 2025-04-02, worth $2K, per SEC Form 4 filings.