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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
Nov 6, 2025 (view filing)Nov 51 dayCole Martin IDirectorSSale−10.0K$161.32−$1.61M−20.2%39.5K after11 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
Mar 3, 2026 (view filing)Mar 21 dayCole Martin IDirectorSSale−6.00K$271.67−$1.63M−16.9%29.4K 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
Jun 11, 2026 (view filing)Jun 92 daysCole Martin IDirectorSSale−720$536.01−$385.9K−2.8%25.4K after14 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
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