Sandisk Corporation Common Stock insider trading
SNDKfinancial statementsForm 4 filings on EDGAR207 transactions since Nov 1, 2024
From August 4, 2026 to November 1, 2026, 0 insiders at Sandisk Corporation Common Stock bought $0 of stock in the open market, and 4 sold $120M. Officers and directors accounted for $0 of purchases and $120M of sales. The last reported transaction was a tax withholding by Shek Bernard on October 20, 2026.
The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 22, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.
Stock price and insider activity
Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.
Bought $0Sold $120MAug 4, 2026 – Nov 1, 2026
purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.
Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.
Every transaction
207 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.
| Traded | Insider | Role | Transaction | Shares | Price | Value | Held after | Filed |
|---|---|---|---|---|---|---|---|---|
| Oct 20, 2026 | Shek Bernard | Chief Legal Officer and Secty | tax withholding | 322 | $1365.38 | $440K | 25,266 | Oct 22, 2026 |
| Oct 1, 2026 | Shek Bernard | Chief Legal Officer and Secty | open-market sale10b5-1 | 600 | $1734.94 | $1M | 25,588 | Oct 2, 2026 |
| Sep 20, 2026 | Shek Bernard | Chief Legal Officer and Secty | tax withholding | 118 | $1791.82 | $211K | 26,188 | Sep 21, 2026 |
| Sep 17, 2026 | Pokorny Michael | VP, Chief Accounting Officer | award | 458 | $0.00 | — | 21,550 | Sep 21, 2026 |
| Sep 17, 2026 | Visoso Luis Felipe | EVP & CFO | award | 1,635 | $0.00 | — | 132,611 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | award | 3,296 | $0.00 | — | 416,706 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 40 | $1567.26 | $63K | 416,666 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 9,604 | $1569.00 | $15M | 407,062 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 910 | $1570.04 | $1M | 406,152 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 4,558 | $1571.21 | $7M | 401,594 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 1,157 | $1572.60 | $2M | 400,437 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 306 | $1573.15 | $481K | 400,131 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 2,588 | $1574.57 | $4M | 397,543 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 2,778 | $1575.58 | $4M | 394,765 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 4,139 | $1576.82 | $7M | 390,626 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 2,876 | $1578.34 | $5M | 387,750 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 640 | $1579.40 | $1M | 387,110 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 1,480 | $1580.25 | $2M | 385,630 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 1,080 | $1583.80 | $2M | 384,550 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 1,520 | $1585.85 | $2M | 383,030 | Sep 21, 2026 |
| Sep 17, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 165 | $1587.00 | $262K | 382,865 | Sep 21, 2026 |
| Sep 17, 2026 | Shek Bernard | Chief Legal Officer and Secty | award | 1,001 | $0.00 | — | 26,306 | Sep 21, 2026 |
| Sep 17, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | award | 1,619 | $0.00 | — | 42,109 | Sep 21, 2026 |
| Sep 15, 2026 | Visoso Luis Felipe | EVP & CFO | open-market sale10b5-1 | 1,000 | $1568.83 | $2M | 130,976 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 14,364 | $1522.59 | $22M | 432,884 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 181 | $1522.87 | $276K | 432,703 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 3,075 | $1524.27 | $5M | 429,628 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 2,280 | $1526.45 | $3M | 427,348 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 4,080 | $1528.45 | $6M | 423,268 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 359 | $1529.36 | $549K | 422,909 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 1,200 | $1532.17 | $2M | 421,709 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 700 | $1535.12 | $1M | 421,009 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 1,695 | $1535.96 | $3M | 419,314 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 3,200 | $1537.68 | $5M | 416,114 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 1,480 | $1539.19 | $2M | 414,634 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 864 | $1540.78 | $1M | 413,770 | Sep 16, 2026 |
| Sep 14, 2026 | Goeckeler David | Chairman & CEO, Director | open-market sale10b5-1 | 360 | $1541.88 | $555K | 413,410 | Sep 16, 2026 |
| Sep 8, 2026 | Shek Bernard | Chief Legal Officer & Secty | open-market sale10b5-1 | 2,308 | $1767.33 | $4M | 25,305 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | open-market sale10b5-1 | 120 | $1561.69 | $187K | 44,014 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | open-market sale10b5-1 | 200 | $1563.68 | $313K | 43,814 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | open-market sale10b5-1 | 40 | $1564.40 | $63K | 43,774 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | open-market sale10b5-1 | 40 | $1571.04 | $63K | 43,734 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | tax withholding | 3,244 | $1554.99 | $5M | 40,490 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | open-market sale10b5-1 | 40 | $1513.23 | $61K | 48,806 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | open-market sale10b5-1 | 80 | $1515.05 | $121K | 48,726 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | open-market sale10b5-1 | 52 | $1517.68 | $79K | 48,674 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | open-market sale10b5-1 | 68 | $1519.23 | $103K | 48,606 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | open-market sale10b5-1 | 80 | $1520.93 | $122K | 48,526 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | open-market sale10b5-1 | 40 | $1522.10 | $61K | 48,486 | Sep 8, 2026 |
| Sep 3, 2026 | Ilkbahar Alper | EVP & Chief Technology Officer | open-market sale10b5-1 | 80 | $1523.61 | $122K | 48,406 | Sep 8, 2026 |
Who the insiders are
Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.
| Insider | Role | Last transaction | Kind | Shares held | Bought, 12 months | Sold, 12 months | Sales under a plan |
|---|---|---|---|---|---|---|---|
| Goeckeler David | Chairman & CEO, Director | Sep 17, 2026 | award | 416,706 | — | $105M (28) | 28 of 28 |
| Ilkbahar Alper | EVP & Chief Technology Officer | Sep 17, 2026 | award | 42,109 | — | $11M (37) | 34 of 37 |
| Shek Bernard | Chief Legal Officer and Secty | Oct 20, 2026 | tax withholding | 25,266 | — | $9M (6) | 6 of 6 |
| Pokorny Michael | VP, Chief Accounting Officer | Sep 17, 2026 | award | 21,550 | — | $3M (1) | 0 of 1 |
| Suzuki Miyuki | Director | Feb 25, 2026 | open-market sale | 9,907 | — | $2M (1) | 0 of 1 |
| Visoso Luis Felipe | EVP & CFO | Sep 17, 2026 | award | 132,611 | — | $2M (1) | 1 of 1 |
| Sayiner Necip | Director | May 8, 2026 | open-market sale | 2,900 | — | $1M (2) | 0 of 2 |
| Caulfield Thomas | Director | May 12, 2026 | gift | 2,312 | — | — | — |
| Western Digital Corp | 10% owner | Jun 9, 2025 | other | 8M | — | — | — |
| Alexy Kimberly | Director | Mar 3, 2025 | award | 5,401 | — | — | — |
| Shook Ellyn | Director | Nov 18, 2025 | award | 4,750 | — | — | — |
| Cassidy Richard B. II | Director | Nov 18, 2025 | award | 4,914 | — | — | — |
| Kumar Devinder | Director | Nov 18, 2025 | award | 4,769 | — | — | — |
| Bradley Alexander R. | Director | Dec 30, 2025 | award | 863 | — | — | — |
| Massengill Matthew E | Director | Mar 3, 2025 | award | 4,840 | — | — | — |
Questions
Are Sandisk Corporation Common Stock insiders buying or selling?
Over the twelve months to November 1, 2026, 7 insiders at Sandisk Corporation Common Stock sold $134M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $134M. Only open-market purchases and sales are counted.
Who sold the most Sandisk Corporation Common Stock stock in the last year?
Goeckeler David (Chairman & CEO, Director) sold $105M in 28 open-market sales over the twelve months to November 1, 2026.
Do Sandisk Corporation Common Stock executives sell under 10b5-1 plans?
69 of the 76 open-market sales in the last twelve months (91%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.
What counts as insider buying here?
Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.
More on Sandisk Corporation Common Stock
- Sandisk Corporation Common Stock financial statements
- 1 tracked fund holding SNDK
- Insider buying and selling across all companies
- These transactions as JSON
From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.