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Buy Day today: Good (62) Broad market participation · no major macro event
SNDK

Sandisk Corp

Technology · Computer Hardware

1,614.40$ +6.2% vs. previous close Closing price · As of: Sep 17, 2026

Ownership

Ownership Structure

Who owns Sandisk Corp (SNDK)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.7% of the shares are freely tradable; institutional investors hold 80.8%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 80.8%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 1.1%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 98.7%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 6.4%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 146Mio.

Largest Shareholders

Institutions

Institutions SNDK
Name Stake (%) Shares Change (%) Date
FMR Inc 9.15 13,389,985 -37.6 03/31/2026
BlackRock Inc 7.11 10,403,455 +8.1 03/31/2026
Vanguard Capital Management, LLC 6.51 9,526,119 +0.0 03/31/2026
State Street Corp 3.81 5,573,852 +5.5 03/31/2026
Geode Capital Management, LLC 2.88 4,212,772 +15.2 03/31/2026
Vanguard Portfolio Management, LLC 2.44 3,576,487 +0.0 03/31/2026
Morgan Stanley - Brokerage Accounts 1.94 2,839,492 -4.4 03/31/2026

Funds

Funds SNDK
Name Stake (%) Shares Change (%) Date
Vanguard MStar Total Stk Mkt Idx Invest 3.22 4,715,568 +0.3 07/31/2026
Vanguard 500 Index Investor 2.65 3,885,343 +1.0 07/31/2026
Invesco QQQ Trust 2.18 3,186,607 +0.5 08/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Insider holdings

Insider holdings SNDK
Person Role Shares Value As of Type
Goeckeler David Chairman & CEO 413,410 667,409,104 $ Sep 14, 2026 direct
Visoso Luis Felipe EVP & CFO 130,976 211,447,654 $ Sep 15, 2026 direct
Ilkbahar Alper EVP & Chief Technology Officer 40,490 65,367,056 $ Sep 3, 2026 direct
Shek Bernard Chief Legal Officer & Secty 25,305 40,852,392 $ Sep 8, 2026 direct
Pokorny Michael VP, Chief Accounting Officer 21,092 34,050,925 $ Sep 3, 2026 direct

Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.

Insiders

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
Sep 15, 2026 Visoso Luis Felipe EVP & CFO Sell 1,000 1,568.83 1,568,830
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 360 1,541.88 555,077
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 864 1,540.78 1,331,234
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 1,480 1,539.19 2,278,001
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 3,200 1,537.68 4,920,568
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 1,695 1,535.96 2,603,457
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 700 1,535.12 1,074,582
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 1,200 1,532.17 1,838,604
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 359 1,529.36 549,040
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 4,080 1,528.45 6,236,061
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 2,280 1,526.45 3,480,298
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 3,075 1,524.27 4,687,123
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 181 1,522.87 275,639
Sep 14, 2026 Goeckeler David Chairman & CEO Sell 14,364 1,522.59 21,870,445
Sep 8, 2026 Shek Bernard Chief Legal Officer & Secty Sell 2,308 1,767.33 4,078,998
Sep 3, 2026 Ilkbahar Alper EVP & Chief Technology Officer Other 3,244 1,554.99 5,044,388
Sep 3, 2026 Ilkbahar Alper EVP & Chief Technology Officer Sell 200 1,563.68 312,737
Sep 3, 2026 Ilkbahar Alper EVP & Chief Technology Officer Sell 78 1,555.57 121,334
Sep 3, 2026 Ilkbahar Alper EVP & Chief Technology Officer Sell 2,594 1,543.76 4,004,522
Sep 3, 2026 Ilkbahar Alper EVP & Chief Technology Officer Sell 160 1,537.49 245,998
Sep 3, 2026 Ilkbahar Alper EVP & Chief Technology Officer Sell 120 1,561.69 187,403
Sep 3, 2026 Ilkbahar Alper EVP & Chief Technology Officer Sell 68 1,519.23 103,308
Sep 3, 2026 Ilkbahar Alper EVP & Chief Technology Officer Sell 52 1,517.68 78,919
Sep 3, 2026 Ilkbahar Alper EVP & Chief Technology Officer Sell 80 1,557.79 124,623
Sep 3, 2026 Ilkbahar Alper EVP & Chief Technology Officer Sell 40 1,571.04 62,842
Sep 3, 2026 Shek Bernard Chief Legal Officer & Secty Other 2,271 1,554.99 3,531,382
Sep 3, 2026 Goeckeler David Chairman & CEO Other 10,540 1,554.99 16,389,595
Sep 3, 2026 Visoso Luis Felipe EVP & CFO Other 5,838 1,554.99 9,078,032
Sep 3, 2026 Pokorny Michael VP, Chief Accounting Officer Other 1,283 1,554.99 1,995,052
Sep 1, 2026 Shek Bernard Chief Legal Officer & Secty Sell 600 1,525.60 915,360
Aug 25, 2026 Shek Bernard Chief Legal Officer & Secty Other 212 1,480.77 313,923
Aug 25, 2026 Goeckeler David Chairman and CEO Other 49,782 1,480.77 73,715,692
Aug 25, 2026 Ilkbahar Alper EVP, Chief Technology Officer Other 654 1,480.77 968,424
Aug 21, 2026 Ilkbahar Alper EVP, Chief Technology Officer Other 320 1,596.08 510,746
Aug 21, 2026 Visoso Luis Felipe EVP & CFO Other 1,589 1,596.08 2,536,171
Aug 21, 2026 Goeckeler David Chairman and CEO Other 1,033 1,596.08 1,648,751
Aug 21, 2026 Shek Bernard Chief Legal Officer & Secty Other 108 1,596.08 172,377
Aug 20, 2026 Ilkbahar Alper EVP, Chief Technology Officer Other 163 1,600.62 260,901
Aug 20, 2026 Ilkbahar Alper EVP, Chief Technology Officer Other 276 1,600.62 441,771
Aug 20, 2026 Ilkbahar Alper EVP, Chief Technology Officer Other 276 0.00
Aug 20, 2026 Visoso Luis Felipe EVP & CFO Other 25,655 1,600.62 41,063,906
Aug 20, 2026 Goeckeler David Chairman and CEO Other 1,300 1,600.62 2,080,806
Aug 20, 2026 Shek Bernard Chief Legal Officer & Secty Other 111 1,600.62 177,669
Aug 3, 2026 Shek Bernard Chief Legal Officer & Secty Sell 600 1,162.16 697,296

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →

Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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