Skip to main content

Sandisk Corp

SNDK
Exchange
Nasdaq
Industry
Computer Storage Devices
SEC CIK
0002023554

In the last 90 days, Sandisk Corp insiders filed 0 open-market purchases and 9 sales; 1,828 institutions reported holding it in 13F filings for Q2 2026, worth $248.0B in total; superinvestors Duquesne Family Office and Maverick Capital hold it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Sandisk Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
9 filings
4 insiders, $121.4M in total
Insiders trading
4
Net value
−$121.4M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Sandisk Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Sandisk Corp
NameTitleLast reported holdingLast filingFilings, past year
Pokorny MichaelVP, Chief Accounting Officer21,550Sep 21, 20265
Visoso Luis FelipeEVP & CFO132,611Sep 21, 20267
Goeckeler DavidChairman & CEO382,865Sep 21, 202611
Shek BernardChief Legal Officer and Secty26,188Sep 21, 202620
Ilkbahar AlperEVP & Chief Technology Officer42,109Sep 21, 202613
Caulfield ThomasDirector4,834IndirectMay 14, 20263
Sayiner NecipDirector2,900May 11, 20263
Suzuki MiyukiDirector9,907Feb 26, 20262
Bradley Alexander R.Director863Jan 2, 20261
Kumar DevinderDirector4,769Nov 19, 20251
Shook EllynDirector4,750Nov 19, 20251
Cassidy Richard B. IIDirector4,914Nov 19, 20251
Western Digital Corp10% Owner7,513,019Jun 9, 20250
Massengill Matthew EDirector4,840Mar 4, 20250
Alexy KimberlyDirector5,401Mar 4, 20250

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Dec 4, 2025 (view filing)Dec 31 daySayiner NecipDirectorSSale−1.27K$195.14−$248.0K−26.8%3.48K after
Feb 26, 2026 (view filing)Feb 251 daySuzuki MiyukiDirectorSSale−3.50K$627.53−$2.20M−26.1%9.91K after
May 11, 2026 (view filing)May 83 daysSayiner NecipDirectorSSale−579$1,503.11−$870.3K−16.6%2.90K after
May 14, 2026 (view filing)May 122 daysPokorny MichaelVP, Chief Accounting OfficerSSale−2.45K$1,426.18−$3.49M−9.9%22.4K after
Jun 2, 2026 (view filing)Jun 11 dayIlkbahar AlperEVP, Chief Technology OfficerSSale−2.00K$1,756.58−$3.51M−3.7%52.7K after3 lots
Jun 5, 2026 (view filing)Jun 32 daysShek BernardChief Legal Officer & SectySSale−600$1,736.00−$1.04M−1.8%32.2K after10b5-1
Jul 2, 2026 (view filing)5:43 PM ETJul 11 dayShek BernardChief Legal Officer & SectySSale−600$2,088.00−$1.25M−1.9%31.5K after10b5-1
Aug 4, 2026 (view filing)8:18 PM ETAug 31 dayShek BernardChief Legal Officer & SectySSale−600$1,162.16−$697.3K−1.9%30.9K after10b5-1
Sep 2, 2026 (view filing)6:57 PM ETSep 11 dayShek BernardChief Legal Officer & SectySSale−600$1,525.60−$915.4K−2.0%29.9K after10b5-1
Sep 8, 2026 (view filing)8:48 PM ETSep 8Same dayShek BernardChief Legal Officer & SectySSale−2.31K$1,767.33−$4.08M−8.4%25.3K after10b5-1
Sep 8, 2026 (view filing)8:49 PM ETSep 35 daysIlkbahar AlperEVP & Chief Technology OfficerSSale−4.71K$1,540.58−$7.26M−9.6%44.1K after30 lots10b5-1
Sep 8, 2026 (view filing)8:50 PM ETSep 35 daysIlkbahar AlperEVP & Chief Technology OfficerSSale−400$1,563.89−$625.6K−0.9%43.7K after4 lots10b5-1
Sep 16, 2026 (view filing)7:41 PM ETSep 142 daysGoeckeler DavidChairman & CEOSSale−33.8K$1,527.87−$51.7M−7.6%413.4K after13 lots10b5-1
Sep 16, 2026 (view filing)7:41 PM ETSep 151 dayVisoso Luis FelipeEVP & CFOSSale−1.00K$1,568.83−$1.57M−0.8%131.0K after10b5-1
Sep 21, 2026 (view filing)6:03 PM ETSep 174 daysGoeckeler DavidChairman & CEOSSale−33.8K$1,574.21−$53.3M−8.1%382.9K after15 lots10b5-1