Cole Martin I
SEC Form 4 insider trading activity
Cole Martin I has filed 9 SEC Form 4 filings (112 transaction rows) across 2 companies, including WDC, WU, with disclosures dating back to 2025. 9 of those filings fall inside the rolling window. Most recent filing: Jul 29, 2026.
On the most recent filing, Cole Martin I is listed as Director at WESTERN DIGITAL CORP. Inside the rolling window, Cole Martin I reported no open-market purchases and 5 open-market sales totaling $8.1M in WDC. The largest disclosed transaction in the window is a sale of 4,000 WDC shares on Jun 9, 2026, worth $2.1M.
Companies traded
Other insiders at WDC
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$8.1M
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Cole Martin I made?
Cole Martin I has filed 9 SEC Form 4 filings (112 transaction rows) across 2 companies, including WDC, WU since 2025.
Which companies does Cole Martin I trade?
Cole Martin I has filed SEC Form 4 disclosures for 2 companies, including WDC, WU.
When was Cole Martin I's most recent SEC Form 4 filing?
Cole Martin I's most recent SEC Form 4 filing on Tracefour is dated Jul 29, 2026.
What is Cole Martin I's total buy and sell value in the current window?
Inside the rolling retention window, Cole Martin I bought $0 and sold $8.1M based on SEC Form 4 filings.
What was Cole Martin I's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 4,000 WDC shares on 2026-06-09, worth $2.1M, per SEC Form 4 filings.