Sandisk Corporation

SNDKNASDAQTechnology● Active

$1,559.32

$-200.36(-11.39%)

Market Cap$230.9B

P/E Ratio—

52W High$1861

52W Low$37.33

Avg Volume15.9M

Open$1,678.88

Beta4.88

Overview

Sandisk Corporation (SNDK) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · SNDK · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Sandisk Corporation insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

SNDK insider buying and selling by quarter

SNDK insider selling · SNDK insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

116.0M58.0M0

2016 Q1

2016 Q2

2025 Q1

2025 Q2

2025 Q3

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · SNDK ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

SNDK executive sell shares · SNDK board member insider trading · SNDK insider trading SEC filing

Showing 93 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Jun 3, 2026	Shek Bernard Chief Legal Officer & Secty	Sale	600	$1736.00	$1.04M⚡	32,232	Form 4
Jun 1, 2026	Ilkbahar Alper EVP, Chief Technology Officer	Sale	999	$1755.31	$1.75M⚡	53,678	Form 4
Jun 1, 2026	Ilkbahar Alper EVP, Chief Technology Officer	Sale	401	$1757.00	$705K	53,277	Form 4
Jun 1, 2026	Ilkbahar Alper EVP, Chief Technology Officer	Sale	600	$1758.40	$1.06M⚡	52,677	Form 4
Jun 2, 2026	Ilkbahar Alper EVP, Chief Technology Officer	Gift	2,694	—	—	49,983	Form 4
May 25, 2026	Shek Bernard Chief Legal Officer & Secty	Other	211	$1478.69	$312K	32,832	Form 4
May 25, 2026	Goeckeler David Chairman and CEO · Director	Other	1,569	$1478.69	$2.32M⚡	509,903	Form 4
May 25, 2026	Ilkbahar Alper EVP, Chief Technology Officer	Other	653	$1478.69	$966K	54,677	Form 4
May 21, 2026	Visoso Luis Felipe EVP and Chief Financial Office	Other	1,588	$1542.24	$2.45M⚡	165,058	Form 4
May 20, 2026	Shek Bernard Chief Legal Officer & Secty	Other	109	$1392.56	$152K	33,150	Form 4
May 21, 2026	Shek Bernard Chief Legal Officer & Secty	Other	107	$1542.24	$165K	33,043	Form 4
May 20, 2026	Goeckeler David Chairman and CEO · Director	Other	1,299	$1392.56	$1.81M⚡	512,504	Form 4
May 21, 2026	Goeckeler David Chairman and CEO · Director	Other	1,032	$1542.24	$1.59M⚡	511,472	Form 4
May 20, 2026	Ilkbahar Alper EVP, Chief Technology Officer	Other	162	$1392.56	$226K	55,649	Form 4
May 21, 2026	Ilkbahar Alper EVP, Chief Technology Officer	Other	319	$1542.24	$492K	55,330	Form 4
May 12, 2026	Pokorny Michael VP, Chief Accounting Officer	Sale	2,446	$1426.18	$3.49M⚡	22,375	Form 4
May 12, 2026	Caulfield Thomas Director	Gift	9,666	—	—	4,834	Form 4
May 8, 2026	Sayiner Necip Director	Sale	579	$1503.11	$870K	2,900	Form 4
May 9, 2026	Pokorny Michael VP, Chief Accounting Officer	Other	1,429	$1562.34	$2.23M⚡	24,821	Form 4
Apr 20, 2026	Shek Bernard Chief Legal Officer & Secty	Other	41	$913.02	$37K	33,259	Form 4
Apr 20, 2026	Ilkbahar Alper EVP, Chief Technology Officer	Other	2,251	$913.02	$2.06M⚡	55,811	Form 4
Mar 20, 2026	Shek Bernard Chief Legal Officer & Secty	Other	117	$709.71	$83K	33,300	Form 4
Mar 3, 2026	Caulfield Thomas Director	Gift	14,500	—	—	14,500	Form 4
Mar 3, 2026	Caulfield Thomas Director	Gift	14,500	—	—	2,312	Form 4
Feb 25, 2026	Shek Bernard Chief Legal Officer & Secty	Other	211	$632.38	$133K	33,417	Form 4

Shek Bernard

Chief Legal Officer & Secty

Sale

Date

Jun 3

600

Price

$1736.00

Value

$1.04M ⚡

View Form 4 on SEC.gov

Ilkbahar Alper

EVP, Chief Technology Officer

Sale

Date

Jun 1

999

Price

$1755.31

Value

$1.75M ⚡

View Form 4 on SEC.gov

Ilkbahar Alper

EVP, Chief Technology Officer

Sale

Date

Jun 1

401

Price

$1757.00

Value

$705K

View Form 4 on SEC.gov

Ilkbahar Alper

EVP, Chief Technology Officer

Sale

Date

Jun 1

600

Price

$1758.40

Value

$1.06M ⚡

View Form 4 on SEC.gov

Ilkbahar Alper

EVP, Chief Technology Officer

Gift

Date

Jun 2

2,694

Price

—

Value

—

View Form 4 on SEC.gov

Shek Bernard

Chief Legal Officer & Secty

Other

Date

May 25

211

Price

$1478.69

Value

$312K

View Form 4 on SEC.gov

Goeckeler David

Chairman and CEO · Director

Other

Date

May 25

1,569

Price

$1478.69

Value

$2.32M ⚡

View Form 4 on SEC.gov

Ilkbahar Alper

EVP, Chief Technology Officer

Other

Date

May 25

653

Price

$1478.69

Value

$966K

View Form 4 on SEC.gov

Visoso Luis Felipe

EVP and Chief Financial Office

Other

Date

May 21

1,588

Price

$1542.24

Value

$2.45M ⚡

View Form 4 on SEC.gov

Shek Bernard

Chief Legal Officer & Secty

Other

Date

May 20

109

Price

$1392.56

Value

$152K

View Form 4 on SEC.gov

Shek Bernard

Chief Legal Officer & Secty

Other

Date

May 21

107

Price

$1542.24

Value

$165K

View Form 4 on SEC.gov

Goeckeler David

Chairman and CEO · Director

Other

Date

May 20

1,299

Price

$1392.56

Value

$1.81M ⚡

View Form 4 on SEC.gov

Goeckeler David

Chairman and CEO · Director

Other

Date

May 21

1,032

Price

$1542.24

Value

$1.59M ⚡

View Form 4 on SEC.gov

Ilkbahar Alper

EVP, Chief Technology Officer

Other

Date

May 20

162

Price

$1392.56

Value

$226K

View Form 4 on SEC.gov

Ilkbahar Alper

EVP, Chief Technology Officer

Other

Date

May 21

319

Price

$1542.24

Value

$492K

View Form 4 on SEC.gov

Pokorny Michael

VP, Chief Accounting Officer

Sale

Date

May 12

2,446

Price

$1426.18

Value

$3.49M ⚡

View Form 4 on SEC.gov

Caulfield Thomas

Director

Gift

Date

May 12

9,666

Price

—

Value

—

View Form 4 on SEC.gov

Sayiner Necip

Director

Sale

Date

May 8

579

Price

$1503.11

Value

$870K

View Form 4 on SEC.gov

Pokorny Michael

VP, Chief Accounting Officer

Other

Date

May 9

1,429

Price

$1562.34

Value

$2.23M ⚡

View Form 4 on SEC.gov

Shek Bernard

Chief Legal Officer & Secty

Other

Date

Apr 20

Price

$913.02

Value

$37K

View Form 4 on SEC.gov

Ilkbahar Alper

EVP, Chief Technology Officer

Other

Date

Apr 20

2,251

Price

$913.02

Value

$2.06M ⚡

View Form 4 on SEC.gov

Shek Bernard

Chief Legal Officer & Secty

Other

Date

Mar 20

117

Price

$709.71

Value

$83K

View Form 4 on SEC.gov

Caulfield Thomas

Director

Gift

Date

Mar 3

14,500

Price

—

Value

—

View Form 4 on SEC.gov

Caulfield Thomas

Director

Gift

Date

Mar 3

14,500

Price

—

Value

—

View Form 4 on SEC.gov

Shek Bernard

Chief Legal Officer & Secty

Other

Date

Feb 25

211

Price

$632.38

Value

$133K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About SNDK insider trading

SNDK insider trades

Sandisk Corporation (SNDK) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Shek Bernard (Chief Legal Officer & Secty), Ilkbahar Alper (EVP, Chief Technology Officer), Goeckeler David (Chairman and CEO · Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. SNDK insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Sandisk Corporation's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

SNDK insider trading · 5 questions

The insiders of Sandisk Corporation (SNDK) include executives and directors such as Shek Bernard (Chief Legal Officer & Secty), Ilkbahar Alper (EVP, Chief Technology Officer), Goeckeler David (Chairman and CEO · Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

SNDK board member insider tradingwho are SNDK insidersSNDK insider rosterSandisk Corporation executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026