Ilkbahar Alper
- Shares
- 49.50K
- % company
- 0.03%
- Price
- $1,596
- Value
- $79,005,960
Filed Aug 21, 2026
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NASDAQ NMS - GLOBAL MARKET · Technology · Holders
Sandisk Corp. (SNDK) Insider Trading History
Recent Form 4 insider activity for SNDK, with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Aug 28, 6:06 PM EDT
Ownership read
SNDK insider sentiment: Net selling.
10 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
SNDK
Purchases0
Sales292.95K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Insider stance
Net selling
$481.31M sold / — bought
Latest filing
Aug 21, 2026
Most recent holder or insider filing date
Filings shown
78
78 insider
- Latest filing
- Aug 21, 2026
- Most recent holder or insider filing date
- Insider rows
- 78
- 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.
Shek Bernard
- Shares
- 30.70K
- % company
- 0.02%
- Price
- $1,596
- Value
- $48,993,272
Filed Aug 21, 2026
Visoso Luis Felipe
- Shares
- 137.81K
- % company
- 0.09%
- Price
- $1,596
- Value
- $219,962,169
Filed Aug 21, 2026
Goeckeler David
- Shares
- 507.57K
- % company
- 0.34%
- Price
- $1,596
- Value
- $810,122,326
Filed Aug 21, 2026
Ilkbahar Alper
- Shares
- 148.77K
- % company
- 0.10%
Filed Aug 20, 2026
Ilkbahar Alper
- Shares
- 49.82K
- % company
- 0.03%
- Price
- $1,601
- Value
- $79,742,888
Filed Aug 20, 2026
Ilkbahar Alper
- Shares
- 49.98K
- % company
- 0.03%
- Price
- $1,601
- Value
- $80,003,789
Filed Aug 20, 2026
Ilkbahar Alper
- Shares
- 50.26K
- % company
- 0.03%
Filed Aug 20, 2026
Shek Bernard
- Shares
- 30.80K
- % company
- 0.02%
- Price
- $1,601
- Value
- $49,305,498
Filed Aug 20, 2026
Visoso Luis Felipe
- Shares
- 139.40K
- % company
- 0.09%
- Price
- $1,601
- Value
- $223,131,230
Filed Aug 20, 2026
Goeckeler David
- Shares
- 508.60K
- % company
- 0.34%
- Price
- $1,601
- Value
- $814,080,134
Filed Aug 20, 2026
Shek Bernard
- Shares
- 30.91K
- % company
- 0.02%
- Price
- $1,162
- Value
- $35,928,176
Filed Aug 3, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | Ilkbahar Alper | 0.03% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 49.50K | Aug 21, 2026 |
| 2 | Shek Bernard | 0.02% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 30.70K | Aug 21, 2026 |
| 3 | Visoso Luis Felipe | 0.09% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 137.81K | Aug 21, 2026 |
| 4 | Goeckeler David | 0.34% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 507.57K | Aug 21, 2026 |
| 5 | Ilkbahar Alper | 0.10% | Option exerciseDerivative exercise or conversion before any separate sale row. | 148.77K | Aug 20, 2026 |
| 6 | Ilkbahar Alper | 0.03% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 49.82K | Aug 20, 2026 |
| 7 | Ilkbahar Alper | 0.03% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 49.98K | Aug 20, 2026 |
| 8 | Ilkbahar Alper | 0.03% | Option exerciseDerivative exercise or conversion before any separate sale row. | 50.26K | Aug 20, 2026 |
| 9 | Shek Bernard | 0.02% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 30.80K | Aug 20, 2026 |
| 10 | Visoso Luis Felipe | 0.09% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 139.40K | Aug 20, 2026 |
| 11 | Goeckeler David | 0.34% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 508.60K | Aug 20, 2026 |
| 12 | Shek Bernard | 0.02% | SaleOpen-market or direct sale reported on Form 4. | 30.91K | Aug 3, 2026 |
Showing 12 of 78 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who is the most active reported SNDK insider?
Goeckeler David has the largest absolute share movement in the displayed SNDK filing rows, totaling 6.17 million shares. The action labels provide the transaction context.