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SNDK Sandisk Corporation Common Stock

Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.

-$118.8M net selling - trailing 90 days

0 buyers - 5 unique sellers

Historical context: most recent complete month (2026-09) is the 3rd percentile of this ticker's monthly net P/S flow over 19 complete months (limited history). Lower percentiles are more selling; higher are more buying.

Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$200.0M$100.0M$0-$100.0M-$200.0M2025-03 $02025-04 $02025-05 $02025-06 $02025-07 $02025-08 $02025-09 $02025-10 $02025-11 $02025-12 -$248K2026-01 $02026-02 -$2.2M2026-03 $02026-04 $02026-05 -$4.4M2026-06 -$4.6M2026-07 -$1.3M2026-08 -$697K2026-09 -$117.0M2026-10 -$1.0MMar 25May 25Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jul 26Sep 26~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

Who is responsible

Insider Role Net activity Rows
Goeckeler David Chairman & CEO -~$105.0M 28
Ilkbahar Alper EVP & Chief Technology Officer -~$5.5M 11
Shek Bernard Chief Legal Officer and Secty -~$5.1M 2
Shek Bernard Chief Legal Officer & Secty -~$1.6M 2
Visoso Luis Felipe EVP & CFO -~$1.6M 1

Transactions

Date Insider Role Type Shares Price Value
October 1, 2026 Shek Bernard Chief Legal Officer and Secty S -600 1734.94 ~$1.0M
September 17, 2026 Goeckeler David Chairman & CEO 15 reported sale rows 33841 — ~$53.3M
September 15, 2026 Visoso Luis Felipe EVP & CFO S -1000 1568.83 ~$1.6M
September 14, 2026 Goeckeler David Chairman & CEO 13 reported sale rows 33838 — ~$51.7M
September 8, 2026 Shek Bernard Chief Legal Officer & Secty S -2308 1767.33 ~$4.1M
September 3, 2026 Ilkbahar Alper EVP & Chief Technology Officer 11 reported sale rows 3552 — ~$5.5M
September 1, 2026 Shek Bernard Chief Legal Officer & Secty S -600 1525.6 ~$0.9M
August 3, 2026 Shek Bernard Chief Legal Officer & Secty S -600 1162.16 ~$0.7M
July 1, 2026 Shek Bernard Chief Legal Officer & Secty S -600 2088 ~$1.3M
June 3, 2026 Shek Bernard Chief Legal Officer & Secty S -600 1736 ~$1.0M
June 1, 2026 Ilkbahar Alper EVP, Chief Technology Officer 3 reported sale rows 2000 — ~$3.5M
May 12, 2026 Pokorny Michael VP, Chief Accounting Officer S -2446 1426.18 ~$3.5M
May 8, 2026 Sayiner Necip — S -579 1503.11 ~$0.9M
February 25, 2026 Suzuki Miyuki — S -3500 627.5313 ~$2.2M
December 3, 2025 Sayiner Necip — S -1271 195.1429 ~$0.2M