SNDK · Sandisk Corp · Insider Trading
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Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-11-02 | Shek Bernard |
Chief Legal Officer & Secty |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 4, 2026. |
Common Stock
|
600 |
| 2026-10-20 | Shek Bernard |
Chief Legal Officer & Secty |
Tax↓
Filing footnotes — Common Stock (Direct)
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
Common Stock
|
322 |
| 2026-10-01 | Shek Bernard |
Chief Legal Officer & Secty |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 4, 2026. |
Common Stock
|
600 |
| 2026-09-20 | Shek Bernard |
Chief Legal Officer & Secty |
Tax↓
Filing footnotes — Common Stock (Direct)
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
Common Stock
|
118 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1567.00 to a high of $1567.49. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
40 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1575.30 to a high of $1576.20. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
2,778 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1570.62 to a high of $1571.61. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
4,558 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1571.74 to a high of $1572.66. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
1,157 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1579.00 to a high of $1579.72. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
640 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1569.605 to a high of $1570.56. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
910 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1585.04 to a high of $1586.01. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
1,520 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1568.44 to a high of $1569.03. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
9,604 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1583.65 to a high of $1584.00. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
1,080 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1576.59 to a high of $1577.00. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
4,139 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1577.90 to a high of $1578.66. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
2,876 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1580.06 to a high of $1580.51. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
1,480 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1572.92 to a high of $1573.71. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
306 |
| 2026-09-17 | Shek Bernard |
Chief Legal Officer & Secty |
Award↑
Filing footnotes — Common Stock (Direct)
Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. |
Common Stock
|
1,001 |
| 2026-09-17 | Visoso Luis Felipe |
EVP and CFO |
Award↑
Filing footnotes — Common Stock (Direct)
Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. |
Common Stock
|
1,635 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1574.24 to a high of $1575.11. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
2,588 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. |
Common Stock
|
165 |
| 2026-09-17 | Ilkbahar Alper |
EVP, Chief Technology Officer |
Award↑
Filing footnotes — Common Stock (Direct)
Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. |
Common Stock
|
1,619 |
| 2026-09-17 | Pokorny Michael |
VP, Chief Accounting Officer |
Award↑
Filing footnotes — Common Stock (Direct)
Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. |
Common Stock
|
458 |
| 2026-09-17 | Goeckeler David |
EVP, Networking and Security |
Award↑
Filing footnotes — Common Stock (Direct)
Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. |
Common Stock
|
3,296 |
| 2026-09-15 | Visoso Luis Felipe |
EVP and CFO |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 22, 2026. |
Common Stock
|
1,000 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1521.85 to a high of $1522.75. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
14,364 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. |
Common Stock
|
181 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1535.92 to a high of $1536.36. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
1,695 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1540.30 to a high of $1541.00. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
864 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. |
Common Stock
|
359 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1526.42 to a high of $1526.48. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
2,280 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1528.00 to a high of $1528.56. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
4,080 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1534.60 to a high of $1535.58. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
700 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1541.88 to a high of $1541.89. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
360 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. |
Common Stock
|
1,480 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. |
Common Stock
|
1,200 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1524.00 to a high of $1524.66. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
3,075 |
| 2026-09-14 | Goeckeler David |
EVP, Networking and Security |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1537.60 to a high of $1537.83. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
3,200 |
| 2026-09-08 | Shek Bernard |
Chief Legal Officer & Secty |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 4, 2026. |
Common Stock
|
2,308 |
| 2026-09-03 | Ilkbahar Alper |
EVP, Chief Technology Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026. |
Common Stock
|
40 |
| 2026-09-03 | Ilkbahar Alper |
EVP, Chief Technology Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026. |
Common Stock
|
40 |
| 2026-09-03 | Ilkbahar Alper |
EVP, Chief Technology Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1542.65 to a high of $1542.70. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
80 |
| 2026-09-03 | Visoso Luis Felipe |
EVP and CFO |
Tax↓
Filing footnotes — Common Stock (Direct)
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
Common Stock
|
5,838 |
| 2026-09-03 | Ilkbahar Alper |
EVP, Chief Technology Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1517.68 to a high of $1517.69. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
52 |
| 2026-09-03 | Ilkbahar Alper |
EVP, Chief Technology Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026. |
Common Stock
|
40 |
| 2026-09-03 | Ilkbahar Alper |
EVP, Chief Technology Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1543.75 to a high of $1544.62. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
2,594 |
| 2026-09-03 | Ilkbahar Alper |
EVP, Chief Technology Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026. |
Common Stock
|
40 |
| 2026-09-03 | Shek Bernard |
Chief Legal Officer & Secty |
Tax↓
Filing footnotes — Common Stock (Direct)
Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
Common Stock
|
2,271 |
| 2026-09-03 | Ilkbahar Alper |
EVP, Chief Technology Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $1535.28 to a high of $1536.03. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Common Stock
|
80 |
| 2026-09-03 | Ilkbahar Alper |
EVP, Chief Technology Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026. |
Common Stock
|
40 |