Sandisk Corporation (SNDK) has 20 known insider and institutional holders on record. The largest holder is WESTERN DIGITAL CORP with 7,513,019 shares. Other notable holders include Goeckeler David and Visoso Luis Felipe.
Over the last 12 months, insiders have made 74 transactions in SNDK stock — 17 buys (valued at RSU Award) and 2 sells (valued at $2.44M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
SNDK Insider Ownership
Top Holder
WESTERN DIGITAL CORP
7,513,019 shares
Buys (12 mo)
17
$0.00 value
Sells (12 mo)
2
$2.44M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Western Digital Corp |
10 Percent Owner |
7,513,019 |
2025-06-09 |
|
| 2 |
Goeckeler David |
Chairman & CEO |
513,803 |
2026-02-27 |
|
| 3 |
Visoso Luis Felipe |
EVP and CFO |
166,646 |
2026-02-24 |
|
| 4 |
Lego Catherine P |
Director |
152,340 |
2016-05-13 |
|
| 5 |
Mehrotra Sanjay |
President/ceo |
125,000 |
2016-02-18 |
|
| 6 |
Ilkbahar Alper |
EVP, Chief Technology Officer |
58,062 |
2026-02-27 |
|
| 7 |
Sivaram Srinivasan |
EVP, Memory Technology |
57,254 |
2016-05-13 |
|
| 8 |
Sadana Sumit |
EVP, CSO & GM Enterprise |
50,000 |
2016-05-13 |
|
| 9 |
Shek Bernard |
Chief Legal Officer & Secty |
33,300 |
2026-03-24 |
|
| 10 |
Pokorny Michael |
VP, Chief Accounting Officer |
26,250 |
2025-11-24 |
|
| 11 |
Brazeal Mark David |
Chief Legal Officer SVP Ip |
16,000 |
2016-02-18 |
|
| 12 |
Suzuki Miyuki |
Director |
9,907 |
2026-02-26 |
|
| 13 |
Marks Michael E |
Director |
6,250 |
2015-06-22 |
|
| 14 |
Gomo Steven J |
Director |
6,250 |
2015-06-22 |
|
| 15 |
Hu Chenming |
Director |
6,250 |
2015-06-22 |
|
| 16 |
Hartenstein Eddy W |
Director |
6,250 |
2015-06-22 |
|
| 17 |
Whitaker Eric S |
SVP & Senior Legal Officer |
5,441 |
2014-08-27 |
|
| 18 |
Cassidy Richard B. Ii |
Director |
4,914 |
2025-11-19 |
|
| 19 |
Kumar Devinder |
Director |
4,769 |
2025-11-19 |
|
| 20 |
Shook Ellyn |
Director |
4,750 |
2025-11-19 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-20 |
Shek Bernard |
Chief Legal Officer & Secty |
Tax Withholding of RSU |
117 |
$709.71 |
$83.04K |
| 2026-03-03 |
Caulfield Thomas |
Director |
Gift (Given) |
14,500 |
- |
- |
| 2026-02-25 |
Shek Bernard |
Chief Legal Officer & Secty |
Tax Withholding of RSU |
211 |
$632.38 |
$133.43K |
| 2026-02-25 |
Ilkbahar Alper |
EVP, Chief Technology Officer |
Tax Withholding of RSU |
566 |
$632.38 |
$357.93K |
| 2026-02-25 |
Goeckeler David |
Chairman & CEO |
Tax Withholding of RSU |
1,569 |
$632.38 |
$992.2K |
| 2026-02-25 |
Suzuki Miyuki |
Director |
Informative Sell |
3,500 |
$627.53 |
$2.2M |
| 2026-02-21 |
Shek Bernard |
Chief Legal Officer & Secty |
Tax Withholding of RSU |
107 |
$649.97 |
$69.55K |
| 2026-02-20 |
Shek Bernard |
Chief Legal Officer & Secty |
Tax Withholding of RSU |
117 |
$649.97 |
$76.05K |
| 2026-02-21 |
Ilkbahar Alper |
EVP, Chief Technology Officer |
Tax Withholding of RSU |
223 |
$649.97 |
$144.94K |
| 2026-02-20 |
Ilkbahar Alper |
EVP, Chief Technology Officer |
Tax Withholding of RSU |
122 |
$649.97 |
$79.3K |
| 2026-02-21 |
Visoso Luis Felipe |
EVP and CFO |
Tax Withholding of RSU |
1,594 |
$649.97 |
$1.04M |
| 2026-02-21 |
Goeckeler David |
Chairman & CEO |
Tax Withholding of RSU |
1,032 |
$649.97 |
$670.77K |
| 2026-02-20 |
Goeckeler David |
Chairman & CEO |
Tax Withholding of RSU |
1,300 |
$649.97 |
$844.96K |
| 2026-01-20 |
Shek Bernard |
Chief Legal Officer & Secty |
Tax Withholding of RSU |
34 |
$453.12 |
$15.41K |
| 2025-12-30 |
Bradley Alexander R. |
Director |
RSU Award |
863 |
- |
- |
| 2025-12-30 |
Bradley Alexander R. |
Director |
Unknown |
- |
- |
- |
| 2025-12-20 |
Shek Bernard |
Chief Legal Officer & Secty |
Tax Withholding of RSU |
117 |
$237.61 |
$27.8K |
| 2025-12-03 |
Sayiner Necip |
Director |
Informative Sell |
1,271 |
$195.14 |
$248.03K |
| 2025-11-25 |
Shek Bernard |
Chief Legal Officer & Secty |
Tax Withholding of RSU |
211 |
$220.50 |
$46.53K |
| 2025-11-25 |
Ilkbahar Alper |
EVP, Chief Technology Officer |
Tax Withholding of RSU |
653 |
$220.50 |
$143.99K |
| 2025-11-25 |
Goeckeler David |
Chief Executive Officer |
Tax Withholding of RSU |
1,569 |
$220.50 |
$345.96K |
| 2025-11-21 |
Shek Bernard |
Chief Legal Officer & Secty |
Tax Withholding of RSU |
107 |
$200.27 |
$21.43K |
| 2025-11-20 |
Shek Bernard |
Chief Legal Officer & Secty |
Tax Withholding of RSU |
109 |
$195.96 |
$21.36K |
| 2025-11-21 |
Ilkbahar Alper |
EVP, Chief Technology Officer |
Tax Withholding of RSU |
319 |
$200.27 |
$63.89K |
| 2025-11-20 |
Ilkbahar Alper |
EVP, Chief Technology Officer |
Tax Withholding of RSU |
162 |
$195.96 |
$31.75K |
