Stocks › SNDK

Sandisk Corp

SNDK·Nasdaq·United States United States·USD
$1660.46
-43.70 (-2.56%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
SNDK
Sandisk Corp · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
SNDKS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

Congressional Trades

Recent trades of SNDK by members of U.S. Congress · 28 on record · 11 in the last 12 months
All congressional trades →
PoliticianStockTypeFiledTraded
Alan ArmstrongAlan ArmstrongSenate · R · OK SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
Jul 21, 2026 Mar 27, 2026 Filing ↗
Josh GottheimerJosh GottheimerHouse · D · NJ SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
Jun 3, 2026 May 7, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA SNDKSandisk Corp · Common Stock Purchase
$1,001 - $15,000
May 11, 2026 Apr 24, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA SNDKSandisk Corp · Common Stock Purchase
$1,001 - $15,000
Apr 7, 2026 Mar 23, 2026 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
Apr 7, 2026 Mar 13, 2026 Filing ↗
Gilbert Ray Cisneros, Jr.Gilbert Ray Cisneros, Jr.House · D · CA SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
Feb 13, 2026 Jan 9, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA SNDKSandisk Corp · Common Stock Purchase
$1,001 - $15,000
Feb 6, 2026 Jan 23, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
Feb 6, 2026 Jan 29, 2026 Filing ↗
Lisa C. McClainLisa C. McClainHouse · R · MI SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
Nov 21, 2025 Oct 30, 2025 Filing ↗
Lisa C. McClainLisa C. McClainHouse · R · MI SNDKSandisk Corp · Stock Sale
$1,001 - $15,000
Nov 21, 2025 Oct 31, 2025 Filing ↗
Lisa C. McClainLisa C. McClainHouse · R · MI SNDKSandisk Corp · Stock Sale
$1,001 - $15,000
Nov 21, 2025 Oct 30, 2025 Filing ↗
Jefferson ShreveJefferson ShreveHouse · R · IN SNDKSandisk Corp · Stock Sale
$15,001 - $50,000
May 8, 2025 Apr 7, 2025 Filing ↗
Robert P. Bresnahan, Jr.Robert P. Bresnahan, Jr.House · R · PA SNDKSandisk Corp · Stock Sale
$1,001 - $15,000
May 8, 2025 Apr 8, 2025 Filing ↗
Robert P. Bresnahan, Jr.Robert P. Bresnahan, Jr.House · R · PA SNDKSandisk Corp · Stock Sale
$1,001 - $15,000
Apr 22, 2025 Apr 4, 2025 Filing ↗
Thomas MacArthurThomas MacArthurHouse · R · NJ SNDKSandisk Corp · Stock Sale
$15,001 - $50,000
Mar 3, 2016 Feb 2, 2016 Filing ↗
Thomas MacArthurThomas MacArthurHouse · R · NJ SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
Sep 8, 2015 Aug 18, 2015 Filing ↗
Thomas MacArthurThomas MacArthurHouse · R · NJ SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
Sep 8, 2015 Aug 18, 2015 Filing ↗
Thomas MacArthurThomas MacArthurHouse · R · NJ SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
Sep 8, 2015 Aug 18, 2015 Filing ↗
Thomas MacArthurThomas MacArthurHouse · R · NJ SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
May 13, 2015 Apr 16, 2015 Filing ↗
Thomas MacArthurThomas MacArthurHouse · R · NJ SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
May 13, 2015 Apr 16, 2015 Filing ↗
Thomas MacArthurThomas MacArthurHouse · R · NJ SNDKSandisk Corp · Stock Purchase
$15,001 - $50,000
May 13, 2015 Apr 16, 2015 Filing ↗
Thomas MacArthurThomas MacArthurHouse · R · NJ SNDKSandisk Corp · Stock Purchase
$1,001 - $15,000
Mar 5, 2015 Jan 14, 2015 Filing ↗
K. Michael ConawayK. Michael ConawayHouse · R · TX SNDKSandisk Corp · Stock Sale
$1,001 - $15,000
Mar 3, 2015 Feb 9, 2015 Filing ↗
John A. YarmuthJohn A. YarmuthHouse · D · KY SNDKSandisk Corp · Stock Sale
$1,001 - $15,000
Feb 27, 2015 Jan 27, 2015 Filing ↗
Alan S. LowenthalAlan S. LowenthalHouse · D · CA SNDKSandisk Corp · Stock Sale
$15,001 - $50,000
Jan 25, 2015 Jan 13, 2015 Filing ↗

Whale Activity

Position changes in SNDK reported for 2026-06-30 by 67 tracked institutional filers
Increased: 1New: 1Decreased: 9No prior filing: 56
  • Increased1
  • New1
  • Held0
  • Decreased9
  • Closed0
  • No prior filing56
FilerSharesValueChange
BlackRock, Inc.10.3M$23.41Bdecreased
VANGUARD CAPITAL MANAGEMENT LLC9.7M$21.98Bincreased
FMR LLC7.9M$17.88B—
STATE STREET CORP5.9M$13.48B—
JPMORGAN CHASE & CO3.9M$8.08B—
VANGUARD PORTFOLIO MANAGEMENT LLC3.5M$7.99Bdecreased
NORGES BANK2.1M$4.67B—
GOLDMAN SACHS GROUP INC1.4M$3.29B—
NORTHERN TRUST CORP1.3M$2.90B—
VANGUARD FIDUCIARY TRUST CO850.4K$1.93B—
Assenagon Asset Management S.A.621.8K$1.41B—
D. E. Shaw & Co., Inc.561.9K$1.28Bdecreased

KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.

Insider Trading

Net shares bought (+) or sold (−) on the open market by SNDK insiders, by quarter · Form 4
-100.0K-50.0K050.0K100.0K2025 Q1: 02025 Q12025 Q2: 02025 Q22025 Q3: 02025 Q32025 Q4: -1,2712025 Q42026 Q1: -3,5002026 Q12026 Q2: -5,6252026 Q22026 Q3: -77.9K2026 Q32026 Q4: -6002026 Q4

Recent Insider Transactions

2,571 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
Shek BernardChief Legal Officer and Secty Sale −600 $1734.94 $1.0M Oct 1, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −9,604 $1569.00 $15.1M Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −910 $1570.04 $1.4M Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −640 $1579.40 $1.0M Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −4,558 $1571.21 $7.2M Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −4,139 $1576.82 $6.5M Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −40 $1567.26 $63K Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −306 $1573.15 $481K Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −2,876 $1578.34 $4.5M Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −2,778 $1575.58 $4.4M Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −2,588 $1574.57 $4.1M Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −165 $1587.00 $262K Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −1,520 $1585.85 $2.4M Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −1,480 $1580.25 $2.3M Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −1,157 $1572.60 $1.8M Sep 17, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −1,080 $1583.80 $1.7M Sep 17, 2026 Form 4 ↗
Visoso Luis FelipeEVP & CFO Sale −1,000 $1568.83 $1.6M Sep 15, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −864 $1540.78 $1.3M Sep 14, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −700 $1535.12 $1.1M Sep 14, 2026 Form 4 ↗
Goeckeler DavidChairman & CEO · Director Sale −4,080 $1528.45 $6.2M Sep 14, 2026 Form 4 ↗

Fund Holders

Mutual funds and ETFs holding SNDK · SEC Form N-PORT
FundSharesValue% of fundAs of
VANGUARD TOTAL STOCK MARKET INDEX FUND
VANGUARD INDEX FUNDS
4.7M$10.69B0.47%Jun 30, 2026
VANGUARD 500 INDEX FUND
VANGUARD INDEX FUNDS
3.8M$8.72B0.52%Jun 30, 2026
Invesco QQQ Trust, Series 13.1M$7.15B1.46%Jun 30, 2026
iShares Core S&P 500 ETF
iShares Trust
2.0M$4.63B0.52%Jun 30, 2026
State Street(R) SPDR(R) S&P 500(R) ETF Trust1.8M$4.08B0.52%Jun 30, 2026
Fidelity Growth Company Fund
Fidelity Mt. Vernon Street Trust
2.3M$3.84B3.89%May 31, 2026
VANGUARD GROWTH INDEX FUND
VANGUARD INDEX FUNDS
1.6M$3.58B0.94%Jun 30, 2026
Fidelity 500 Index Fund
Fidelity Concord Street Trust
1.9M$3.20B0.38%May 31, 2026
JPMorgan Large Cap Growth Fund
JPMorgan Trust II
1.2M$2.82B2.32%Jun 30, 2026
State Street(R) Technology Select Sector SPDR(R) ETF
SELECT SECTOR SPDR TRUST
1.0M$2.32B1.88%Jun 30, 2026

Mutual funds and ETFs whose N-PORT filings list SNDK's shares (CUSIP 80004C200), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.

Activist & Passive Stakes

Schedule 13D / 13G beneficial-ownership filings
  • Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 7.9M shares5.3%
    Aug 6, 2026 · ↗
  • FMR LLCSCHEDULE 13G/A · passive (13G) · 7.9M shares5.3%
    Aug 6, 2026 · ↗
  • Leonard Street Holdings, LPSCHEDULE 13G · passive (13G) · 238.1K shares0.2%
    Aug 5, 2026 · ↗
  • Jane Street Global Trading, LLCSCHEDULE 13G · passive (13G) · 1.3M shares0.9%
    Aug 5, 2026 · ↗
  • Jane Street Capital, LLCSCHEDULE 13G · passive (13G) · 5.9M shares4.0%
    Aug 5, 2026 · ↗
  • JANE STREET GROUP, LLCSCHEDULE 13G · passive (13G) · 7.4M shares5.0%
    Aug 5, 2026 · ↗
  • Western Digital CorporationSCHEDULE 13G/A · passive (13G) · 1.0M shares0.7%
    May 15, 2026 · ↗

Corporate Lobbying

Estimated quarterly lobbying spending reported under the LDA, filings naming sandisk as client
$0$125K$250K$375K$500K2025 Q1: $40K2025 Q2: $90K2025 Q3: $100K2025 Q4: $100K20252026 Q1: $110K2026 Q2: $90K2026
  • BGR GOVERNMENT AFFAIRSSANDISK CORPORATION · 2026 Q2 · TRD$80K
    Filing ↗
  • THE WESSEL GROUP INCORPORATEDSANDISK CORPORATION · 2026 Q2 · MAN, TRD$10K
    Filing ↗
  • BGR GOVERNMENT AFFAIRSSANDISK CORPORATION · 2026 Q1 · TRD$80K
    Filing ↗
  • THE WESSEL GROUP INCORPORATEDSANDISK CORPORATION · 2026 Q1 · MAN, TRD$30K
    Filing ↗
  • BGR GOVERNMENT AFFAIRSSANDISK CORPORATION · 2025 Q4 · TRD$80K
    Filing ↗

Government Contracts

Federal awards to Sandisk Corp · USAspending

No federal contract awards found for Sandisk Corp.

U.S. Patents

Recent USPTO applications naming Sandisk Corp

No USPTO patent applications found for Sandisk Corp.

Annual Financials

From SNDK's 10-K filings · XBRL

No annual XBRL figures on record for SNDK. KeyVex's fundamentals cover about 130 large companies so far.

Stock Splits

Every split and reverse split in the price history

No stock splits in SNDK's price history.

Material Events (8-K)

Corporate events filed with the SEC
  • 8-K · Items 5.02Officer / director changeSep 16, 2026
    EDGAR ↗
  • 8-K · Items 1.01, 9.01Material agreementSep 11, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 8.01, 9.01Results of operations · Other eventsAug 5, 2026
    EDGAR ↗
  • 8-K · Items 8.01, 9.01Other eventsMay 15, 2026
    EDGAR ↗

About Sandisk Corp

From SEC EDGAR company records

Separation from Western Digital Corporation Prior to February 21, 2025, we were wholly owned by Western Digital Corporation (“WDC”). As of February 21, 2025, we separated from WDC (the “separation”) and became a standalone publicly traded company, trading under the stock symbol “SNDK” on the Nasdaq Global Select Market. For more information about the separation, see Part II, Item 7., Management’s Discussion and Analysis of Financial Condition and Results of Operations and Part II, Item 8., Note 1, Organization, Basis of Presentation and Summary of Significant Accounting Policies of the Notes to Consolidated Financial Statements included in this Annual Report on Form 10-K. General Sandisk is…

Industry (SIC 3572)Computer Storage Devices
SectorTechnology
HeadquartersMILPITAS, CA
IncorporatedDE