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Cole Martin I

In the past year, 7 open-market sale filings worth $8.08M and no purchases.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
$8.08M
7 filings
Net
−$8.08M
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Cole Martin I as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

WDC Western Digital Corp

Director7 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 29, 2026 (view filing)7:32 PM ETJul 281 dayCole Martin IDirectorSSale−192$462.77−$88.9K−0.9%21.4K after2 lots10b5-1
Jul 29, 2026 (view filing)7:31 PM ETJul 281 dayCole Martin IDirectorSSale−3.81K$448.66−$1.71M−15.0%21.6K after30 lots10b5-1
Jun 11, 2026 (view filing)Jun 92 daysCole Martin IDirectorSSale−720$536.01−$385.9K−2.8%25.4K after14 lots10b5-1
Jun 11, 2026 (view filing)Jun 92 daysCole Martin IDirectorSSale−3.28K$511.16−$1.68M−11.1%26.2K after30 lots10b5-1
Mar 3, 2026 (view filing)Mar 21 dayCole Martin IDirectorSSale−6.00K$271.67−$1.63M−16.9%29.4K after14 lots10b5-1
Dec 3, 2025 (view filing)Dec 12 daysCole Martin IDirectorSSale−6.00K$162.61−$975.7K−14.5%35.4K after8 lots10b5-1
Nov 6, 2025 (view filing)Nov 51 dayCole Martin IDirectorSSale−10.0K$161.32−$1.61M−20.2%39.5K after11 lots10b5-1