Cole Martin I sold $1.7M of WDC
Cole Martin I sold 3,280 shares of WESTERN DIGITAL CORP (WDC) at an average of $511.16 ($484.28–$527.22, $1.68M total) across 30 trades on 2026-06-09 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The newest fact is the disclosed sale size, execution window (June 9), and confirmation that it was conducted under a pre-arranged 10b5-1 plan.
Market read
Provides a fresh, primary-source datapoint on insider selling activity in WDC, but with reduced interpretive weight due to 10b5-1.
What to watch
Traders may want to compare this sale to prior insider patterns (frequency/size) and check whether other directors/officers filed contemporaneous buys or sales.
Background
The article is an SEC Form 4 insider transaction report for a director of Western Digital.
Ticker impact
Director Cole Martin I sold $1.68M of Western Digital shares via an open-market transaction under a pre-arranged 10b5-1 plan.
Near-term price reaction, if any, is likely limited; watch for follow-on insider activity or concurrent company-specific catalysts.
The filing is a routine director sale and explicitly states a pre-arranged 10b5-1 plan, which typically reduces interpretive weight versus discretionary selling.
Market effects
No direct sector read-across; this is company-specific insider transaction disclosure.
None indicated.
None indicated.
Counterpoint
10b5-1 sales can be purely mechanical; the disclosure may not reflect negative views and could be offset by other insider buys not shown here.
Key entities
- issuerWESTERN DIGITAL CORP
Subject of the Form 4 insider sale disclosure.
- insiderCole Martin I
Director who sold 3,280 shares (weighted avg ~$511.16) for ~$1.68M.
- trading mechanism10b5-1 plan
Pre-arranged plan cited as Yes, suggesting scheduled selling rather than discretionary timing.


