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Politician trade (Senate)

Sandisk (SNDK)Sen. Alan Armstrong disclosed a purchase $1K–$15K

Sen. Alan Armstrong disclosed a purchase of Sandisk in the $1K–$15K range.

$1,001–$15,000
Reported range · official band, not an exact amount
116 days
Disclosure lag
Traded
Mar 27, 2026
Disclosed
Jul 21, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Jan 9, 2026CongressDisclosed purchase of SNDK — reported range $1,001 - $15,000
  2. Jan 29, 2026Company filing · Form 8-K · ResultsReported its results
  3. Feb 25, 2026InsiderDirector sold ~$2.2M of SNDK shares in the open market
  4. Mar 13, 2026CongressDisclosed purchase of SNDK — reported range $1,001 - $15,000
  5. Mar 25, 2026Company filing · Form 8-K · Material agreement, Other newsSigned an important agreement, and reported other company news
  6. Mar 27, 2026 · this disclosureCongressDisclosed purchase of SNDK — reported range $1,001 - $15,000

What came next

  1. Mar 27, 20265% stakeThe Vanguard Group reported a passive stake (13G)
  2. Apr 7, 20265% stakeFMR LLC reported a passive stake (13G) of 8.7%
  3. Apr 30, 2026Company filing · Form 8-K · Results, Other newsReported its results, and reported other company news
  4. Apr 30, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.2%
  5. May 7, 2026CongressDisclosed purchase of SNDK — reported range $1,001 - $15,000
  6. May 8, 2026InsiderDirector sold ~$870K of SNDK shares in the open market
  7. May 12, 2026InsiderOfficer sold ~$3.49M of SNDK shares in the open market
  8. May 15, 20265% stakeWestern Digital Corporation reported a passive stake (13G) of 0.7%
  9. Jun 1, 2026Insider · 1 personInsiders: 3 sales (~$3.5M)
  10. Jun 3, 2026InsiderOfficer sold ~$1.04M of SNDK shares in the open market
  11. Jul 1, 2026InsiderOfficer sold ~$1.25M of SNDK shares in the open market
View the official recordSenate eFD periodic transaction report

How to read Senate eFD periodic transaction report

The STOCK Act is a 2012 US law that requires members of Congress, and some senior staff, to publicly report their stock trades, and those of their spouse and dependent children, within 45 days.

Full guide: What is the STOCK Act?

What else is on file for Sandisk

For Sandisk, OQRO holds 72 insider filings (SEC Form 4 or Form 144), 1 Congress trade report and 61 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its SNDK page.

Other recent filings by Sen. Alan Armstrong

The full history of Sen. Alan Armstrong is on the profile page.

How this filing works

Other disclosures at Sandisk

Everything OQRO holds on this company is on its SNDK page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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OQRO describes public disclosures and context calculated from them. It does not give personalized advice and does not recommend any transaction. How OQRO treats data