SNDKNasdaq · Computer Storage Devices

Sandisk Corp

Alert me on SNDK

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Oct 3 Sale Shek Bernard Insider

1 week

−12.7%S&P +0.4%

1 month

Result in7 trading days

3 months

Result in49 trading days

6 months

Result in112 trading days

Sep 22 Sale Goeckeler David Insider

1 week

−8.3%S&P −1.2%

1 month

−27.0%S&P 0.0%

3 months

Result in40 trading days

6 months

Result in103 trading days

Sep 17 Sale Goeckeler David Insider

1 week

+8.6%S&P +0.9%

1 month

−19.5%S&P +0.3%

3 months

Result in37 trading days

6 months

Result in100 trading days

Sep 17 Sale Visoso Luis Felipe Insider

1 week

+8.6%S&P +0.9%

1 month

−19.5%S&P +0.3%

3 months

Result in37 trading days

6 months

Result in100 trading days

Sep 9 Sale Ilkbahar Alper Insider

1 week

−13.8%S&P −1.1%

1 month

−8.8%S&P +1.8%

3 months

Result in31 trading days

6 months

Result in94 trading days

Show all 25

Sep 9 Sale Shek Bernard Insider

1 week

−13.8%S&P −1.1%

1 month

−8.8%S&P +1.8%

3 months

Result in31 trading days

6 months

Result in94 trading days

Sep 9 Sale Ilkbahar Alper Insider

1 week

−13.8%S&P −1.1%

1 month

−8.8%S&P +1.8%

3 months

Result in31 trading days

6 months

Result in94 trading days

Sep 3 Sale Shek Bernard Insider

1 week

+5.0%S&P −1.1%

1 month

+9.6%S&P +0.5%

3 months

Result in28 trading days

6 months

Result in91 trading days

Aug 5 Sale Shek Bernard Insider

1 week

−0.5%S&P +0.4%

1 month

+15.1%S&P +0.4%

3 months

Result in7 trading days

6 months

Result in70 trading days

Jul 21 Buy Sen. Alan Armstrong Senate

1 week

−36.5%S&P −2.4%

1 month

+0.1%S&P +2.0%

3 months

−14.6%S&P +3.2%

6 months

Result in60 trading days

Jul 3 Sale Shek Bernard Insider

1 week

−4.0%S&P −0.3%

1 month

−18.2%S&P +2.7%

3 months

−1.4%S&P +2.7%

6 months

Result in48 trading days

Jun 6 Sale Shek Bernard Insider

1 week

+28.4%S&P +2.1%

1 month

+13.2%S&P +1.9%

3 months

+5.8%S&P +3.9%

6 months

Result in30 trading days

Jun 3 Buy Rep. Josh Gottheimer House

1 week

+6.9%S&P −2.6%

1 month

−8.1%S&P −1.0%

3 months

−11.6%S&P +2.4%

6 months

Result in28 trading days

Jun 3 Sale Ilkbahar Alper Insider

1 week

−10.3%S&P −3.8%

1 month

−4.8%S&P −0.1%

3 months

−15.2%S&P +1.7%

6 months

Result in27 trading days

May 15 Sale Pokorny Michael Insider

1 week

+5.0%S&P +0.9%

1 month

+41.5%S&P +1.5%

3 months

+26.9%S&P +4.8%

6 months

Result in15 trading days

May 12 Sale Sayiner Necip Insider

1 week

−4.7%S&P −0.6%

1 month

+29.6%S&P −0.1%

3 months

−7.4%S&P +4.9%

6 months

Result in12 trading days

Apr 7 Buy Rep. Gilbert Cisneros House

1 week

+14.2%S&P +3.5%

1 month

+71.6%S&P +8.2%

3 months

+138.0%S&P +11.5%

6 months

+116.7%S&P +15.6%

Feb 27 Sale Suzuki Miyuki Insider

1 week

−17.0%S&P −2.0%

1 month

−9.9%S&P −7.6%

3 months

+166.8%S&P +10.6%

6 months

+133.7%S&P +12.7%

Feb 13 Buy Rep. Gilbert Cisneros House

1 week

+8.1%S&P +0.7%

1 month

+27.6%S&P −3.1%

3 months

+125.7%S&P +8.5%

6 months

+175.3%S&P +13.0%

Dec 5, 2025 Sale Sayiner Necip Insider

1 week

−9.8%S&P −0.6%

1 month

+54.8%S&P +0.9%

3 months

+170.9%S&P −1.0%

6 months

+620.7%S&P +8.1%

Nov 21, 2025 Buy Rep. Lisa McClain House

1 week

−9.5%S&P +1.9%

1 month

+10.2%S&P +3.5%

3 months

+187.2%S&P +3.4%

6 months

+623.3%S&P +13.5%

Nov 21, 2025 Sale Rep. Lisa McClain House

1 week

−9.5%S&P +1.9%

1 month

+10.2%S&P +3.5%

3 months

+187.2%S&P +3.4%

6 months

+623.3%S&P +13.5%

May 8, 2025 Sale Rep. Jefferson Shreve House

1 week

+7.2%S&P +5.3%

1 month

+10.2%S&P +6.9%

3 months

+14.9%S&P +13.0%

6 months

+534.6%S&P +19.6%

May 8, 2025 Sale Rep. Rob Bresnahan House

1 week

+7.2%S&P +5.3%

1 month

+10.2%S&P +6.9%

3 months

+14.9%S&P +13.0%

6 months

+534.6%S&P +19.6%

Apr 22, 2025 Sale Rep. Rob Bresnahan House

1 week

+5.8%S&P +3.6%

1 month

+24.6%S&P +8.9%

3 months

+38.5%S&P +18.8%

6 months

+384.0%S&P +25.4%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for SNDK

118 held · newest 5118 held · newest 2

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See all 118 filings for SNDK

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Jun 30, 2026 Schedule 13G, amended

FMR LLC: 5.3%, 7,861,064 shares

Jul 30, 2026 Schedule 13G

JANE STREET GROUP, LLC: 5%, 7,409,437 shares

Mar 31, 2026 Schedule 13G, amended

Western Digital Corporation: 0.7%, 1,038,681 shares

Mar 31, 2026 Schedule 13G

Vanguard Capital Management: 7.2%, 11,000,476 shares

Mar 31, 2026 Schedule 13G, amended

FMR LLC: 8.7%, 13,389,385 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Dec 31, 2025 Schedule 13G, amended

BlackRock, Inc.: 6%, 8,825,007 shares

Sep 30, 2025 Schedule 13G, amended

DNB Asset Management AS: 0.7%, 1,025,373 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

$100KQ4 2025

$110KQ1 2026

$90KQ2 2026

$90KQ3 2026

Unchanged from Q2 2026. Reported to the Senate each quarter by the firms it hires.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 21, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.