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Sandisk Corp. planned insider sales

In the twelve months since 23 September 2025 insiders at Sandisk Corp. filed 24 Form 144 notices of planned sales, 119,414 shares worth $151.7 million at the time of filing, from 10 sellers. The latest, filed 17 September 2026: David Goeckeler (director, officer), 33,841 shares worth $51.4 million, planned for around 17 September 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleBrokerHow acquiredFiling
17 September 2026David GoeckelerDirector, Officer33,841$51.4 million17 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance Stock Units; Restricted Stock UnitsForm 144
15 September 2026Luis VisosoOfficer3,000$4.7 million15 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
14 September 2026David GoeckelerDirector, Officer33,838$55.3 million14 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance Stock Units; Restricted Stock UnitsForm 144
8 September 2026Bernard ShekOfficer4,108$7.1 million8 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock Units; WDC-SpinoffForm 144
3 September 2026Alper IlkbaharOfficer6,270$9.7 million3 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
3 June 2026Bernard ShekOfficer2,400$4.1 million3 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesSpin-offForm 144
1 June 2026Alper IlkbaharOfficer2,000$3.5 million1 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
12 May 2026Michael PokornyOfficer2,446$3.5 million12 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
8 May 2026Necip SayinerDirector579$870,3018 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
25 February 2026Miyuki SuzukiDirector3,500$2.2 million25 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
2 February 2026Massengill Living TrustFormer Affiliate2,000$1.3 million2 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
22 January 2026Kimberly AlexyFormer Director1,367$690,33522 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
21 January 2026Massengill Living TrustFormer Affiliate2,000$984,57121 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
16 January 2026Kimberly AlexyFormer Director1,737$739,96216 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
15 January 2026Massengill Living TrustFormer Affiliate1,000$421,45915 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
7 January 2026Massengill LivingFormer Affiliate2,000$693,8397 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
6 January 2026Massengill Living TrustFormer Affiliate2,816$953,0096 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
6 January 2026Kimberly AlexyDirector3,000$1.0 million6 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
3 December 2025Necip SayinerDirector1,271$248,0273 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
26 November 2025Massengill Living TrustFormer Affiliate2,340$508,39526 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
25 November 2025Massengill Living TrustFormer Director1,500$335,62525 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
24 November 2025Massengill Living TrustFormer Affiliate1,000$225,22024 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted stock vesting under a registered planForm 144
21 November 2025Kimberly AlexyDirector2,401$485,83021 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
20 November 2025Kimberly AlexyDirector3,000$652,66420 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144

A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was. Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.

Source

Form 144 filings on EDGAR for Sandisk Corp.: the company's filing index, each notice read from its own XML.

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