By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
Insider activity at Sandisk Corp has been all selling for a year now: about $133.8 million from seven sellers, and zero buyers in open-market trades.
Selling on its own is common and often pre-planned (10b5-1 plans, taxes, diversification), so it matters more when it is unusually heavy or broad.
Quarter by quarter: 4 quarters in a row of net selling by insiders. Insiders bought in 0 of the last 7 full quarters. 1,817 investment managers listed SNDK in their latest 13F filings (Q2 2026); more funds bought than sold. SNDK also shows up in congressional disclosures: 11 reported trades from six lawmakers in two years.
Are insiders buying or selling SNDK stock?
In the last 12 months Sandisk Corp insiders made open-market purchases worth about $0 and sales worth about $133.8 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in SNDK?
The most recent open-market insider trade in SNDK was filed on 2026-10-02.
How many institutions own SNDK?
1,817 investment managers reported holding SNDK in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded SNDK?
Yes. Members of Congress reported 11 trades in SNDK over the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).