SNDK · Sandisk Corporation Common Stock
View on chartInsiders & Stakes
| WESTERN DIGITAL CORP 10% Owner | ▼ Sell | Other | 7,513,019 Shares held | 6/9/2025 | View profile |
| David Goeckeler Chairman & CEO | ▼ Sell | Open Market | 382,865 Shares held | 9/17/2026 | View profile |
| Luis Felipe Visoso EVP & CFO | ▲ Buy | Grant | 132,611 Shares held | 9/17/2026 | View profile |
| Alper Ilkbahar EVP & Chief Technology Officer | ▲ Buy | Grant | 42,109 Shares held | 9/17/2026 | View profile |
| Bernard Shek Chief Legal Officer and Secty | ▼ Sell | Open Market | 25,588 Shares held | 10/1/2026 | View profile |
| Michael Pokorny VP, Chief Accounting Officer | ▲ Buy | Grant | 21,550 Shares held | 9/17/2026 | View profile |
| Miyuki Suzuki Director | ▼ Sell | Open Market | 9,907 Shares held | 2/25/2026 | View profile |
| Alexy Kimberly Director | ▲ Buy | Grant | 5,401 Shares held | 3/3/2025 | View profile |
| Cassidy Richard B. II Director | ▲ Buy | Grant | 4,914 Shares held | 11/18/2025 | View profile |
| MASSENGILL MATTHEW E Director | ▲ Buy | Grant | 4,840 Shares held | 3/3/2025 | View profile |
| Thomas Caulfield Director | ▼ Sell | Gift | 4,834 Shares held | 5/12/2026 | View profile |
| KUMAR DEVINDER Director | ▲ Buy | Grant | 4,769 Shares held | 11/18/2025 | View profile |
| Ellyn Shook Director | ▲ Buy | Grant | 4,750 Shares held | 11/18/2025 | View profile |
| Necip Sayiner Director | ▼ Sell | Open Market | 2,900 Shares held | 5/8/2026 | View profile |
| Alexander R. Bradley Director | ▲ Buy | Grant | 863 Shares held | 12/30/2025 | View profile |
Transaction History
| Bernard Shek | ▼ Sell | Open Market | 600 | $1.0M | 10/1/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 118 | $211K | 9/20/2026 |
| Michael Pokorny | ▲ Buy | Grant | 458 | $0 | 9/17/2026 |
| Luis Felipe Visoso | ▲ Buy | Grant | 1,635 | $0 | 9/17/2026 |
| David Goeckeler | ▲ Buy | Grant | 3,296 | $0 | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 40 | $63K | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 9,604 | $15.1M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 910 | $1.4M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 4,558 | $7.2M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 1,157 | $1.8M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 306 | $481K | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 2,588 | $4.1M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 2,778 | $4.4M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 4,139 | $6.5M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 2,876 | $4.5M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 640 | $1.0M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 1,480 | $2.3M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 1,080 | $1.7M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 1,520 | $2.4M | 9/17/2026 |
| David Goeckeler | ▼ Sell | Open Market | 165 | $262K | 9/17/2026 |
| Bernard Shek | ▲ Buy | Grant | 1,001 | $0 | 9/17/2026 |
| Alper Ilkbahar | ▲ Buy | Grant | 1,619 | $0 | 9/17/2026 |
| Luis Felipe Visoso | ▼ Sell | Open Market | 1,000 | $1.6M | 9/15/2026 |
| David Goeckeler | ▼ Sell | Open Market | 14,364 | $21.9M | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 181 | $276K | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 3,075 | $4.7M | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 2,280 | $3.5M | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 4,080 | $6.2M | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 359 | $549K | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 1,200 | $1.8M | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 700 | $1.1M | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 1,695 | $2.6M | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 3,200 | $4.9M | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 1,480 | $2.3M | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 864 | $1.3M | 9/14/2026 |
| David Goeckeler | ▼ Sell | Open Market | 360 | $555K | 9/14/2026 |
| Bernard Shek | ▼ Sell | Open Market | 2,308 | $4.1M | 9/8/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 120 | $187K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 200 | $313K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 40 | $63K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 40 | $63K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 3,244 | $5.0M | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 40 | $61K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $121K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 52 | $79K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 68 | $103K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $122K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 40 | $61K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $122K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $122K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 40 | $61K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $122K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $123K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $123K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $123K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 2,594 | $4.0M | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $124K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $124K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 40 | $62K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 120 | $186K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 40 | $62K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 78 | $121K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $125K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 40 | $62K | 9/3/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 2,271 | $3.5M | 9/3/2026 |
| David Goeckeler | ▼ Sell | Tax Withholding | 10,540 | $16.4M | 9/3/2026 |
| Luis Felipe Visoso | ▼ Sell | Tax Withholding | 5,838 | $9.1M | 9/3/2026 |
| Michael Pokorny | ▼ Sell | Tax Withholding | 1,283 | $2.0M | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 40 | $62K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $122K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 40 | $61K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 120 | $184K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $123K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $123K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 160 | $246K | 9/3/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 80 | $123K | 9/3/2026 |
| Bernard Shek | ▼ Sell | Open Market | 600 | $915K | 9/1/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 212 | $314K | 8/25/2026 |
| David Goeckeler | ▼ Sell | Tax Withholding | 49,782 | $73.7M | 8/25/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 654 | $968K | 8/25/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 108 | $172K | 8/21/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 320 | $511K | 8/21/2026 |
| Luis Felipe Visoso | ▼ Sell | Tax Withholding | 1,589 | $2.5M | 8/21/2026 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,033 | $1.6M | 8/21/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 111 | $178K | 8/20/2026 |
| Alper Ilkbahar | ▲ Buy | Option Exercise | 276 | $0 | 8/20/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 276 | $442K | 8/20/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 163 | $261K | 8/20/2026 |
| Luis Felipe Visoso | ▼ Sell | Tax Withholding | 25,655 | $41.1M | 8/20/2026 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,300 | $2.1M | 8/20/2026 |
| Bernard Shek | ▼ Sell | Open Market | 600 | $697K | 8/3/2026 |
| Bernard Shek | ▼ Sell | Open Market | 600 | $1.3M | 7/1/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 117 | $256K | 6/20/2026 |
| Bernard Shek | ▼ Sell | Open Market | 600 | $1.0M | 6/3/2026 |
| Alper Ilkbahar | ▼ Sell | Gift | 2,694 | $0 | 6/2/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 999 | $1.8M | 6/1/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 401 | $705K | 6/1/2026 |
| Alper Ilkbahar | ▼ Sell | Open Market | 600 | $1.1M | 6/1/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 211 | $312K | 5/25/2026 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,569 | $2.3M | 5/25/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 653 | $966K | 5/25/2026 |
| Luis Felipe Visoso | ▼ Sell | Tax Withholding | 1,588 | $2.4M | 5/21/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 107 | $165K | 5/21/2026 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,032 | $1.6M | 5/21/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 319 | $492K | 5/21/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 109 | $152K | 5/20/2026 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,299 | $1.8M | 5/20/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 162 | $226K | 5/20/2026 |
| Michael Pokorny | ▼ Sell | Open Market | 2,446 | $3.5M | 5/12/2026 |
| Thomas Caulfield | ▼ Sell | Gift | 9,666 | $0 | 5/12/2026 |
| Michael Pokorny | ▼ Sell | Tax Withholding | 1,429 | $2.2M | 5/9/2026 |
| Necip Sayiner | ▼ Sell | Open Market | 579 | $870K | 5/8/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 2,251 | $2.1M | 4/20/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 41 | $37K | 4/20/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 117 | $83K | 3/20/2026 |
| Thomas Caulfield | ▼ Sell | Gift | 14,500 | $0 | 3/3/2026 |
| Thomas Caulfield | ▼ Sell | Gift | 14,500 | $0 | 3/3/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 211 | $133K | 2/25/2026 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,569 | $992K | 2/25/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 566 | $358K | 2/25/2026 |
| Miyuki Suzuki | ▼ Sell | Open Market | 3,500 | $2.2M | 2/25/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 223 | $145K | 2/21/2026 |
| Luis Felipe Visoso | ▼ Sell | Tax Withholding | 1,594 | $1.0M | 2/21/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 107 | $70K | 2/21/2026 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,032 | $671K | 2/21/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 117 | $76K | 2/20/2026 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,300 | $845K | 2/20/2026 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 122 | $79K | 2/20/2026 |
| Bernard Shek | ▼ Sell | Tax Withholding | 34 | $15K | 1/20/2026 |
| Alexander R. Bradley | ▲ Buy | Grant | 863 | $0 | 12/30/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 117 | $28K | 12/20/2025 |
| Necip Sayiner | ▼ Sell | Open Market | 1,271 | $248K | 12/3/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 211 | $47K | 11/25/2025 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,569 | $346K | 11/25/2025 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 653 | $144K | 11/25/2025 |
| Luis Felipe Visoso | ▼ Sell | Tax Withholding | 1,588 | $318K | 11/21/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 107 | $21K | 11/21/2025 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,032 | $207K | 11/21/2025 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 319 | $64K | 11/21/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 109 | $21K | 11/20/2025 |
| Michael Pokorny | ▼ Sell | Tax Withholding | 821 | $161K | 11/20/2025 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,299 | $255K | 11/20/2025 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 162 | $32K | 11/20/2025 |
| Miyuki Suzuki | ▲ Buy | Grant | 979 | $0 | 11/18/2025 |
| Ellyn Shook | ▲ Buy | Grant | 979 | $0 | 11/18/2025 |
| Necip Sayiner | ▲ Buy | Grant | 979 | $0 | 11/18/2025 |
| Thomas Caulfield | ▲ Buy | Grant | 979 | $0 | 11/18/2025 |
| Cassidy Richard B. II | ▲ Buy | Grant | 1,143 | $0 | 11/18/2025 |
| KUMAR DEVINDER | ▲ Buy | Grant | 979 | $0 | 11/18/2025 |
| Miyuki Suzuki | ▼ Sell | Tax Withholding | 2,213 | $588K | 11/17/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 362 | $54K | 10/20/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 117 | $12K | 9/20/2025 |
| Michael Pokorny | ▲ Buy | Grant | 13,028 | $0 | 9/3/2025 |
| Bernard Shek | ▲ Buy | Grant | 18,313 | $0 | 9/3/2025 |
| Luis Felipe Visoso | ▲ Buy | Grant | 47,090 | $0 | 9/3/2025 |
| David Goeckeler | ▲ Buy | Grant | 85,025 | $0 | 9/3/2025 |
| Alper Ilkbahar | ▲ Buy | Grant | 26,161 | $0 | 9/3/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 78 | $4K | 8/27/2025 |
| David Goeckeler | ▼ Sell | Tax Withholding | 980 | $47K | 8/27/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 211 | $10K | 8/25/2025 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,569 | $73K | 8/25/2025 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 653 | $31K | 8/25/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 428 | $19K | 8/21/2025 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 1,278 | $58K | 8/21/2025 |
| David Goeckeler | ▼ Sell | Tax Withholding | 4,129 | $188K | 8/21/2025 |
| Luis Felipe Visoso | ▼ Sell | Tax Withholding | 6,353 | $289K | 8/21/2025 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 1,095 | $49K | 8/20/2025 |
| David Goeckeler | ▼ Sell | Tax Withholding | 34,995 | $1.6M | 8/20/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 110 | $5K | 8/20/2025 |
| Luis Felipe Visoso | ▼ Sell | Tax Withholding | 25,654 | $1.1M | 8/20/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 29 | $1K | 7/20/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 184 | $9K | 6/20/2025 |
| WESTERN DIGITAL CORP | ▼ Sell | Other | 21,314,768 | — | 6/9/2025 |
| David Goeckeler | ▼ Sell | Tax Withholding | 979 | $37K | 5/27/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 54 | $2K | 5/27/2025 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 653 | $24K | 5/25/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 147 | $5K | 5/25/2025 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,569 | $58K | 5/25/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 76 | $3K | 5/20/2025 |
| David Goeckeler | ▼ Sell | Tax Withholding | 1,299 | $52K | 5/20/2025 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 162 | $7K | 5/20/2025 |
| Michael Pokorny | ▲ Buy | Grant | 7,750 | $0 | 5/9/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 29 | $907 | 4/20/2025 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 1,501 | $47K | 4/20/2025 |
| Bernard Shek | ▼ Sell | Tax Withholding | 81 | $5K | 3/20/2025 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 1,558 | $88K | 3/20/2025 |
| Alper Ilkbahar | ▼ Sell | Tax Withholding | 569 | $29K | 3/12/2025 |
| David Goeckeler | ▼ Sell | Tax Withholding | 3,847 | $194K | 3/12/2025 |
| Thomas Caulfield | ▲ Buy | Grant | 4,148 | $0 | 3/3/2025 |
| Miyuki Suzuki | ▲ Buy | Grant | 4,148 | $0 | 3/3/2025 |
| Necip Sayiner | ▲ Buy | Grant | 3,771 | $0 | 3/3/2025 |
| KUMAR DEVINDER | ▲ Buy | Grant | 3,771 | $0 | 3/3/2025 |
| Alexy Kimberly | ▲ Buy | Grant | 4,148 | $0 | 3/3/2025 |
| Cassidy Richard B. II | ▲ Buy | Grant | 3,771 | $0 | 3/3/2025 |
| MASSENGILL MATTHEW E | ▲ Buy | Grant | 4,840 | $0 | 3/3/2025 |
| Ellyn Shook | ▲ Buy | Grant | 3,771 | $0 | 3/3/2025 |
| Miyuki Suzuki | ▲ Buy | Grant | 5,693 | $0 | 2/28/2025 |
| Thomas Caulfield | ▲ Buy | Grant | 5,693 | $0 | 2/28/2025 |
| Alexy Kimberly | ▲ Buy | Grant | 1,252 | $0 | 2/21/2025 |
| David Goeckeler | ▲ Buy | Grant | 92,417 | $0 | 2/21/2025 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 17, 2026
Sandisk Faces Competitive Pressure as Memory Market Shifts
Recent media coverage has focused on the growing competition in the memory chip sector. Analysts note that a Chinese rival has reported nearly $20 billion in revenue, while Samsung is also seen as a significant challenger to both Micron and Sandisk. At the same time, Sandisk’s stock has delivered strong year‑to‑date gains despite a recent 40 % pullback, keeping it on several growth‑stock watch lists. The stock is currently trading near its 52‑week low with a relatively low RSI, suggesting the market is weighing these competitive dynamics.
Sandisk Faces Competitive Pressure as Memory Market Shifts. Recent media coverage has focused on the growing competition in the memory chip sector. Analysts note that a Chinese rival has reported nearly $20 billion in revenue, while Samsung is also seen as a significant challenger to both Micron and Sandisk. At the same time, Sandisk’s stock has delivered strong year‑to‑date gains despite a recent 40 % pullback, keeping it on several growth‑stock watch lists. The stock is currently trading near its 52‑week low with a relatively low RSI, suggesting the market is weighing these competitive dynamics.