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SNDK · Sandisk Corp
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SNDK Sandisk (SNDK) Insider Trading, Ownership & Congress Trades

Tech Hardware · Computer storage devices · CIK 0002023554
Quote by TradingView
Congress · 3Form 144 · 5
Insider buyers, 180 days
0
Funds added, last quarter
1,283
13F, latest reported quarter
Conversions, 180 days
1
Codes C/M, not in net · $0 priced

What the filings say about SNDK

Insiders, 180 days
-$131.3M net sold
6 sellers · 89% of sales under a 10b5-1 plan
Congress, 1 year
3 bought · 1 sold
Latest: purchase, 2026-05-07
Planned sales (Form 144), 90 days
$128.3M
5 notices

Sandisk insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, Sandisk Corp insiders sold a net $131.3M of stock across 76 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-27.

Insider
Filed
Shares
Value
Since filing
Shek Bernard
Chief Legal Officer and Secty
SELL
2026-10-02 SECtraded 2026-10-01
600
$1.0M
-27.4%
Context
  • 5 earlier Form 4 trades (code P or S) here by this insider (5 sales), the last on Sep 8, 2026.
  • The trade is 2.3% of the 25,588 shares held after it.
  • 3 other insiders sold within 30 days.
  • 1,283 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Legal Officer and Secty Shek Bernard sold about $1.0M of SNDK under a 10b5-1 plan on Oct 1, 2026; 3 other insiders sold within 30 days and 1,283 funds added in the latest 13F quarter.
Goeckeler David
Chairman & CEO
SELL
2026-09-21 SECtraded 2026-09-17
40
$62.7K
-34.4%
Context
  • 13 earlier Form 4 trades (code P or S) here by this insider (13 sales), the last on Sep 14, 2026.
  • The trade is 0.0% of the 416,666 shares held after it.
  • 3 other insiders sold within 30 days.
  • 1,283 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chairman & CEO Goeckeler David sold about $62.7K of SNDK under a 10b5-1 plan on Sep 17, 2026; 3 other insiders sold within 30 days and 1,283 funds added in the latest 13F quarter.
Goeckeler David
Chairman & CEO
SELL
2026-09-21 SECtraded 2026-09-17
9,604
$15.1M
-34.4%
Context
  • 13 earlier Form 4 trades (code P or S) here by this insider (13 sales), the last on Sep 14, 2026.
  • The trade is 2.4% of the 407,062 shares held after it.
  • 3 other insiders sold within 30 days.
  • 1,283 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chairman & CEO Goeckeler David sold about $15.1M of SNDK under a 10b5-1 plan on Sep 17, 2026; 3 other insiders sold within 30 days and 1,283 funds added in the latest 13F quarter.
Goeckeler David
Chairman & CEO
SELL
2026-09-21 SECtraded 2026-09-17
910
$1.4M
-34.4%
Context
  • 13 earlier Form 4 trades (code P or S) here by this insider (13 sales), the last on Sep 14, 2026.
  • The trade is 0.2% of the 406,152 shares held after it.
  • 3 other insiders sold within 30 days.
  • 1,283 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chairman & CEO Goeckeler David sold about $1.4M of SNDK under a 10b5-1 plan on Sep 17, 2026; 3 other insiders sold within 30 days and 1,283 funds added in the latest 13F quarter.
Goeckeler David
Chairman & CEO
SELL
2026-09-21 SECtraded 2026-09-17
4,558
$7.2M
-34.4%
Context
  • 13 earlier Form 4 trades (code P or S) here by this insider (13 sales), the last on Sep 14, 2026.
  • The trade is 1.1% of the 401,594 shares held after it.
  • 3 other insiders sold within 30 days.
  • 1,283 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chairman & CEO Goeckeler David sold about $7.2M of SNDK under a 10b5-1 plan on Sep 17, 2026; 3 other insiders sold within 30 days and 1,283 funds added in the latest 13F quarter.
76 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 71 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$131.3M over 180 days
-$121.2M over 90 days
below 93% of Tech Hardware
Congress
3 members bought in the last year
more than 67% of Tech Hardware
Funds
1,283 funds bought in last quarter
more than 93% of Tech Hardware
Revenue
+175.3% year over year
more than 94% of Tech Hardware
Margin
56.5% net margin
more than 98% of Tech Hardware
Buybacks
$4.5B repurchased, FY to 2026-07-03
more than 90% of Tech Hardware
Short interest
3.3% of the float short (float per yahoo 2026-10-26) · 1.0 days to cover · settled 2026-09-30
below 53% of Tech Hardware
What changed in the last 30 days
Oct 2Chief Legal Officer and Secty Shek Bernard sold $1.0M under a 10b5-1 plan (Oct 1)
Why it matters
A 10b5-1 plan schedules trades months ahead, so this says little about what the insider thinks today.

Watch SNDK

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+742.5%12M
+0%+496%+993%+1489%2025-102025-122026-022026-042026-062026-082026-10 2026-09-14 · Goeckeler David sold $21.9M2026-09-17 · Goeckeler David sold $15.1M2026-09-17 · Goeckeler David sold $7.2M2026-09-17 · Goeckeler David sold $6.5M2026-09-14 · Goeckeler David sold $6.2M2026-09-14 · Goeckeler David sold $4.9M2026-09-14 · Goeckeler David sold $4.7M2026-09-17 · Goeckeler David sold $4.5M2026-09-17 · Goeckeler David sold $4.4M2026-09-08 · Shek Bernard sold $4.1M2026-09-17 · Goeckeler David sold $4.1M2026-09-03 · Ilkbahar Alper sold $4.0M2026-05-12 · Pokorny Michael sold $3.5M2026-09-14 · Goeckeler David sold $3.5M2026-09-14 · Goeckeler David sold $2.6M2026-09-17 · Goeckeler David sold $2.4M2026-09-17 · Goeckeler David sold $2.3M2026-09-14 · Goeckeler David sold $2.3M2026-02-25 · Suzuki Miyuki sold $2.2M2026-09-14 · Goeckeler David sold $1.8M2026-09-17 · Goeckeler David sold $1.8M2026-06-01 · Ilkbahar Alper sold $1.8M2026-09-17 · Goeckeler David sold $1.7M2026-09-15 · Visoso Luis Felipe sold $1.6M2026-09-17 · Goeckeler David sold $1.4M2026-09-14 · Goeckeler David sold $1.3M2026-07-01 · Shek Bernard sold $1.3M2026-09-14 · Goeckeler David sold $1.1M2026-06-01 · Ilkbahar Alper sold $1.1M2026-06-03 · Shek Bernard sold $1.0M2026-10-01 · Shek Bernard sold $1.0M2026-09-17 · Goeckeler David sold $1.0M2026-09-01 · Shek Bernard sold $915.4K2026-05-08 · Sayiner Necip sold $870.3K2026-06-01 · Ilkbahar Alper sold $704.6K2026-08-03 · Shek Bernard sold $697.3K2026-09-14 · Goeckeler David sold $555.1K2026-09-14 · Goeckeler David sold $549.0K2026-09-17 · Goeckeler David sold $481.4K2026-09-03 · Ilkbahar Alper sold $312.7K2026-09-14 · Goeckeler David sold $275.6K2026-09-17 · Goeckeler David sold $261.9K2026-09-17 · DAVID GOECKELER filed to sell $51.4M2026-09-15 · LUIS VISOSO filed to sell $4.7M2026-09-14 · DAVID GOECKELER filed to sell $55.3M2026-09-08 · BERNARD SHEK filed to sell $7.1M2026-09-03 · ALPER ILKBAHAR filed to sell $9.7M
Insider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns SNDK: institutional holders (13F)

13F holdings, latest reported quarter
BlackRock, Inc.
10,295,300 sh
$23.4B
VANGUARD CAPITAL MANAGEMENT LLC
9,668,255 sh
$22.0B
FMR LLC
7,861,665 sh
$17.9B
STATE STREET CORP
5,927,453 sh
$13.5B
Invesco Ltd.
5,610,346 sh
$12.8B

Congress trades in SNDK

STOCK Act disclosures, US House only, filed up to 45 days after the trade
Josh Gottheimer
Bought 2026-05-07 · disclosed 27 days later
$1,001 - $15,000
Gilbert Cisneros
Bought 2026-03-13 · disclosed 25 days later
$1,001 - $15,000
Gilbert Cisneros
Bought 2026-01-09 · disclosed 35 days later
$1,001 - $15,000
Lisa McClain
Sold 2025-10-31 · disclosed 21 days later
$1,001 - $15,000
Lisa McClain
Sold 2025-10-30 · disclosed 22 days later
$1,001 - $15,000
All stocks members of Congress are buying · Every member's trades

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

SNDK planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
DAVID GOECKELER
Filed 2026-09-17
$51.4M
LUIS VISOSO
Filed 2026-09-15
$4.7M
DAVID GOECKELER
Filed 2026-09-14
$55.3M
BERNARD SHEK
Filed 2026-09-08
$7.1M
ALPER ILKBAHAR
Filed 2026-09-03
$9.7M

SNDK mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
KraneShares Wahed Alternative Income Index ETF
$12.5M position · as of 2026-06-30
22.2%
S&P 500 Pure Growth Fund
$16.5M position · as of 2026-06-30
10.4%
S&P 500 Pure Growth Fund
$3.9M position · as of 2026-06-30
10.4%
First Trust US Equity Opportunities ETF
$173.1M position · as of 2026-06-30
10.4%
One Rock Fund
$3.7M position · as of 2026-05-31
6.6%
Invesco S&P 500 Pure Growth ETF
$126.9M position · as of 2026-07-31
6.3%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Mr. Goeckeler
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2026
$10.5M
n/a
$3.4M
+3364%
+149%
2025
$22.9M
$40.8M
$4.8M
-6%
+8%
2024
$22.9M
$40.8M
$4.8M
-6%
+8%
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $131.3M sold by insiders over 180 days, 1,283 funds added last quarter, 3 House member(s) bought in 12 months, disclosed weeks after the trade, $128.3M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
DELLANETPANWVPLMSTXMSIFTNTCIENFFIVQCOMWDCLITE

SNDK financials

Revenue growth
+175.3%
XBRL, annual
Net margin
56.5%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$20.2B
four quarters, 2025-06-28 to 2026-07-03
Net margin, TTM
+56.5%
net income over revenue, 2025-06-28 to 2026-07-03
Free cash flow, TTM
$11.5B
operating cash flow minus capex, 2025-06-28 to 2026-07-03
Debt to equity
0.00x
long-term 2026-07-03 plus current 2026-07-03; equity 2026-07-03
Cash flow to debt
n/a
no debt to cover
Return on equity
+91.6%
TTM net income over average of 2025-06-27 and 2026-07-03
Return on assets
+64.4%
TTM net income over average of 2025-06-27 and 2026-07-03
Return on invested capital
+116.3%
operating income after a 12.2% effective tax rate, over long-term 2026-07-03 plus current 2026-07-03 plus average of 2025-06-27 and 2026-07-03 minus cash
Return on capital employed
+87.0%
operating income (EBIT proxy) over average of 2025-06-27 and 2026-07-03 minus current liabilities
P/E, trailing
16.90x
close 2026-10-23 over four quarters of diluted EPS, 2025-06-28 to 2026-07-03
Enterprise value
$176.5B
market value at close 2026-10-23 on 2026-08-07 shares, plus long-term 2026-07-03 plus current 2026-07-03, minus cash 2026-07-03
FCF yield
+6.3%
TTM free cash flow over market value at close 2026-10-23
PEG, trailing
n/a
prior-year trailing EPS was a loss, growth undefined
Price as of 2026-10-23. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2026-072025-062024-062023-06
Revenue$20.2B$7.4B$6.7B$6.1B
Gross profit$14.5B$2.2B$1.1B$430.0M
Operating income$12.4B-$1.4B-$468.0M-$2.0B
Net income$11.4B-$1.6B-$672.0M-$2.1B
EPS (diluted)73.76-11.32-4.63-14.78
Operating cash flow$11.7B$84.0M-$309.0M-$713.0M
Cash$4.8B$1.5B$328.0Mn/a
Long-term debt$0$1.8B$0n/a
Buybacks$4.5B$0$0n/a
SEC XBRL, fiscal years, as known on 2026-10-27

SNDK Stock Sonar score 6/7 axes

Find similar shapesCompare

SNDK ranks highest on financial health (99th percentile) and profitability (96th), and lowest on insider conviction (14th), among Tech Hardware peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
96
Inputs
  • Return on equity+91.6% · 89 pct, sector of 77
  • Return on assets+64.4% · 97 pct, sector of 92
  • Return on invested capital+116.3% · 99 pct, universe of 1,069
  • Return on capital employed+87.0% · 99 pct, sector of 72
Financial health
100
Inputs
  • Debt to equity0.00x · 100 pct, sector of 72
  • Cash flow to debtno debt to cover
Growth
94
Inputs
  • Revenue growth, YoY+175.3% · 94 pct, sector of 102
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
14
Inputs
  • Net Form 4 buying (codes P and S), 180d-$10.9M · 27 pct, sector of 75
  • Insider buyers, 180d0 · 0 pct, sector of 77
Institutional and government
81
Inputs
  • Funds adding, latest quarter1,283 · 93 pct, sector of 89
  • Congress net buyers, 365d2 · 97 pct, universe of 719
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quarters$400K · 53 pct, universe of 1,063
Risk and compliance
38
Inputs
  • Short interest, % of float+3.3% · 59 pct, sector of 105
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5ynot measured for this sector, almost no peer has an event
  • New text in Risk Factors, latest 10-K+22.7% · 18 pct, sector of 80
1 not measured: US patents
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

SNDK filings, in plain words

Are Sandisk insiders buying or selling SNDK?

In the 180 days to 2026-10-27, Sandisk insiders were net sellers, a net $131.3M across purchases and sales reported on Form 4, by 6 sellers.

Have members of Congress traded SNDK?

Yes. In the year to 2026-10-27, 3 House members disclosed buying SNDK and 1 House member disclosed selling it; the latest on record is a purchase by Josh Gottheimer dated 2026-05-07.

Are there planned insider sales of SNDK?

Yes. 5 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-27, covering $128.3M of stock; the latest, by DAVID GOECKELER, was filed 2026-09-17.

Read the full summary

In the 180 days to 2026-10-27, Sandisk insiders were net sellers of SNDK, a net $131.3M across purchases and sales reported on Form 4 by 6 sellers. 89% of the 74 insider sales were made under a pre-arranged Rule 10b5-1 plan, so most selling was scheduled in advance. In the year to 2026-10-27, 3 members of Congress disclosed buying SNDK and 1 member disclosed selling it; the latest on record is a purchase by Josh Gottheimer dated 2026-05-07. Insiders filed 5 Form 144 notices of intent to sell in the 90 days to 2026-10-27, covering $128.3M of stock. Each figure is counted from SEC and House filings as of 2026-10-27, dated the day the filing was made public.

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