Sandisk Corp ($SNDK) CLO Bernard Shek Sells $4.08M in Common Stock Under Rule 10b5-1 Plan

Insider Filing Analysis: Sandisk Corp ($SNDK)

Executive Summary

On September 8, 2026, Bernard Shek, Chief Legal Officer and Secretary of Sandisk Corp, reported the sale of 2,308 shares of Common Stock at an average price of $1,767.33 per share, totaling approximately $4.08 million. In addition, the filing reflects 2,271 shares withheld for tax obligations on September 3, 2026, at $1,554.99 per share ($3.53 million).

Transaction Details

• Open Market Sale (Code S): 2,308 shares disposed of on September 8, 2026, at $1,767.33 per share under a pre-established Rule 10b5-1 plan adopted on March 4, 2026.
• Tax Withholding (Code F): 2,271 shares withheld on September 3, 2026, at $1,554.99 per share to satisfy tax obligations upon vesting of equity awards.
• Post-Transaction Direct Ownership: 25,305 direct shares remaining.

Market & Trading Impact

• Significance: Medium. While the dollar amount is sizable ($4.08M in open market sales), the transaction was executed pursuant to a Rule 10b5-1 trading plan established six months prior, which mitigates concerns regarding opportunistic insider sentiment.