LYTIR

Insider · SEC Form 4 · Chief Legal Officer & Secty

Bernard Shek

Filed with the SEC as Shek Bernard; the order above is the one the filer's own signature uses.

In the 12 months to Nov 8, 2026, on the open market: sold $8.7M of SNDK. Filed a median of 1 business day after the trade.

Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these

Insider purchases and sales, by month (last 12 months)Insider purchases: $0 in total; Insider sales: $8.7M in total.Jul: Insider sales $1.3MAug: Insider sales $697KSep: Insider sales $5.0MOct: Insider sales $1.0MNov: Insider sales $695KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $0Insider sales below: $8.7M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.
  1. SNDKSold: Sandisk Corp Nov 2, 2026 600 shares filed Nov 3, 2026 24,666 shares held directly after, as filed 10b5-1 plan filing $695K
  2. SNDKSold: Sandisk Corp Oct 1, 2026 600 shares filed Oct 2, 2026 25,588 shares held directly after, as filed 10b5-1 plan filing $1.0M
  3. SNDKSold: Sandisk Corp Sep 8, 2026 2,308 shares filed Sep 8, 2026 25,305 shares held directly after, as filed 10b5-1 plan filing $4.1M
  4. SNDKSold: Sandisk Corp Sep 1, 2026 600 shares filed Sep 2, 2026 29,884 shares held directly after, as filed 10b5-1 plan filing $915K
  5. SNDKSold: Sandisk Corp Aug 3, 2026 600 shares filed Aug 4, 2026 30,915 shares held directly after, as filed 10b5-1 plan filing $697K
  6. SNDKSold: Sandisk Corp Jul 1, 2026 600 shares filed Jul 2, 2026 31,515 shares held directly after, as filed 10b5-1 plan filing $1.3M

Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.

Other Form 4 entries

Not counted above: entries this filer reported on Form 4 in the same 12 months that are not open-market purchases or sales. Each entry is one line of a filing.

  • SNDK: shares withheld for tax or exercise price (code F), 7 entries, Jun 20 to Oct 20, 2026
  • SNDK: grant or award (code A), 1 entry, Sep 17, 2026
Code A
A grant or award from the company, such as stock given as pay.
Code F
Shares paid to, or withheld by, the company to cover an exercise price or the tax due on an award.

Source: the same SEC Form 4 filings. The codes are the SEC's own transaction codes; the meanings above are a plain-words reading of the SEC's Form 4 instructions.