Shek Bernard
- Shares
- 32.23K
- % company
- 0.02%
- Price
- $1,736
- Value
- $55,954,752
Filed Jun 3, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · TECHNOLOGY · Holders
Sandisk Corp (SNDK) Institutional Ownership & Insider Trading History
Recent insider purchases and sales for SNDK from Form 4 filings. Institutional holdings surface here when ownership sources publish.
Section freshness
Price Jun 24, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT
Source timingDetailsHide
Data freshness
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
PriceLive
Last traded •
Source: Market data provider
Fundamentalsevery 1 day
Provider checked •
Source: Market data provider
Analystevery 1 day
Provider checked •
Source: Market data provider
Newsevery 4 hr
Latest item •
Source: Market data provider
Ownership read
SNDK insider sentiment: Net selling.
8 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
SNDK
Purchases—
Sales230.53K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
—
Institutional data pending
Insider stance
Net selling
$379.58M sold / — bought
Latest filing
Jun 3, 2026
Most recent holder or insider filing date
Filings shown
79
0 holder / 79 insider
- Holder rows
- Pending
- Market data source
- Latest filing
- Jun 3, 2026
- Most recent holder or insider filing date
- Increased / initiated
- Pending
- 0 decreased
- Insider rows
- 79
- Market data source
Recent insider transactions
Sandisk Corp (SNDK) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Ilkbahar Alper
- Shares
- 49.98K
- % company
- 0.03%
- Price
- Non-cash
- Value
- Non-cash
Filed Jun 2, 2026
Ilkbahar Alper
- Shares
- 52.68K
- % company
- 0.04%
- Price
- $1,758
- Value
- $92,627,063
Filed Jun 1, 2026
Ilkbahar Alper
- Shares
- 53.28K
- % company
- 0.04%
- Price
- $1,757
- Value
- $93,607,689
Filed Jun 1, 2026
Ilkbahar Alper
- Shares
- 53.68K
- % company
- 0.04%
- Price
- $1,755
- Value
- $94,221,702
Filed Jun 1, 2026
Shek Bernard
- Shares
- 32.83K
- % company
- 0.02%
- Price
- $1,479
- Value
- $48,548,350
Filed May 25, 2026
Ilkbahar Alper
- Shares
- 54.68K
- % company
- 0.04%
- Price
- $1,479
- Value
- $80,850,333
Filed May 25, 2026
Goeckeler David
- Shares
- 509.90K
- % company
- 0.34%
- Price
- $1,479
- Value
- $753,988,467
Filed May 25, 2026
Shek Bernard
- Shares
- 33.04K
- % company
- 0.02%
- Price
- $1,542
- Value
- $50,960,236
Filed May 21, 2026
Ilkbahar Alper
- Shares
- 55.33K
- % company
- 0.04%
- Price
- $1,542
- Value
- $85,332,139
Filed May 21, 2026
Visoso Luis Felipe
- Shares
- 165.06K
- % company
- 0.11%
- Price
- $1,542
- Value
- $254,559,050
Filed May 21, 2026
Goeckeler David
- Shares
- 511.47K
- % company
- 0.35%
- Price
- $1,542
- Value
- $788,812,577
Filed May 21, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | Shek Bernard | 0.02% | SaleOpen-market or direct sale reported on Form 4. | 32.23K | $1,736 | $55,954,752 | Jun 3, 2026 |
| 2 | Ilkbahar Alper | 0.03% | GiftGift transfer. Usually non-cash and not an open-market sale. | 49.98K | Non-cash | Non-cash | Jun 2, 2026 |
| 3 | Ilkbahar Alper | 0.04% | SaleOpen-market or direct sale reported on Form 4. | 52.68K | $1,758 | $92,627,063 | Jun 1, 2026 |
| 4 | Ilkbahar Alper | 0.04% | SaleOpen-market or direct sale reported on Form 4. | 53.28K | $1,757 | $93,607,689 | Jun 1, 2026 |
| 5 | Ilkbahar Alper | 0.04% | SaleOpen-market or direct sale reported on Form 4. | 53.68K | $1,755 | $94,221,702 | Jun 1, 2026 |
| 6 | Shek Bernard | 0.02% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 32.83K | $1,479 | $48,548,350 | May 25, 2026 |
| 7 | Ilkbahar Alper | 0.04% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 54.68K | $1,479 | $80,850,333 | May 25, 2026 |
| 8 | Goeckeler David | 0.34% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 509.90K | $1,479 | $753,988,467 | May 25, 2026 |
| 9 | Shek Bernard | 0.02% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 33.04K | $1,542 | $50,960,236 | May 21, 2026 |
| 10 | Ilkbahar Alper | 0.04% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 55.33K | $1,542 | $85,332,139 | May 21, 2026 |
| 11 | Visoso Luis Felipe | 0.11% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 165.06K | $1,542 | $254,559,050 | May 21, 2026 |
| 12 | Goeckeler David | 0.35% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 511.47K | $1,542 | $788,812,577 | May 21, 2026 |
Showing 12 of 79 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest SNDK shareholders?
Sandisk Corp (SNDK) institutional holders are ranked by reported share count when ownership data publishes filing rows.
What is institutional ownership of SNDK?
Sandisk Corp (SNDK) institutional ownership appears when filing-based market data returns holder rows. TECHi does not fill unavailable ownership fields with placeholder shareholders.
Where can I see Sandisk Corp insider transactions?
Sandisk Corp (SNDK) has 79 Form 4 insider transactions on file, most recently on Jun 3, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are SNDK insiders buying or selling?
Recent SNDK insider activity reads Net selling: 8 sales and 0 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
Who is the most active SNDK insider?
Goeckeler David is the most active SNDK insider by absolute share movement, with 6.91 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.