NASDAQ : SNDK
-$128.48 (-7.96%)
NUMBER OF INSIDERS BUYING (LAST 12 MONTHS)
NUMBER OF INSIDERS SELLING (LAST 12 MONTHS)
AMOUNT OF INSIDER SELLING (LAST 12 MONTHS)
| Insider Name | Title | Date | Transaction | Cost | Filing Date |
|---|---|---|---|---|---|
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-07-01 | S-Sale | 2088 | 2026-07-02 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-06-20 | F-InKind | 2184.75 | 2026-06-22 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-06-03 | S-Sale | 1736 | 2026-06-05 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2026-06-01 | S-Sale | 1755.3132 | 2026-06-02 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2026-06-01 | S-Sale | 1757 | 2026-06-02 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2026-06-01 | S-Sale | 1758.3967 | 2026-06-02 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2026-06-02 | G-Gift | 0 | 2026-06-02 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-05-25 | F-InKind | 1478.69 | 2026-05-27 |
| Goeckeler David | director, officer: Chairman and CEO | 2026-05-25 | F-InKind | 1478.69 | 2026-05-27 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2026-05-25 | F-InKind | 1478.69 | 2026-05-27 |
| Visoso Luis Felipe | officer: EVP and Chief Financial Office | 2026-05-21 | F-InKind | 1542.24 | 2026-05-22 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-05-20 | F-InKind | 1392.56 | 2026-05-22 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-05-21 | F-InKind | 1542.24 | 2026-05-22 |
| Goeckeler David | director, officer: Chairman and CEO | 2026-05-20 | F-InKind | 1392.56 | 2026-05-22 |
| Goeckeler David | director, officer: Chairman and CEO | 2026-05-21 | F-InKind | 1542.24 | 2026-05-22 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2026-05-20 | F-InKind | 1392.56 | 2026-05-22 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2026-05-21 | F-InKind | 1542.24 | 2026-05-22 |
| Pokorny Michael | officer: VP, Chief Accounting Officer | 2026-05-12 | S-Sale | 1426.18 | 2026-05-14 |
| Caulfield Thomas | director | 2026-05-12 | G-Gift | 0 | 2026-05-14 |
| Sayiner Necip | director | 2026-05-08 | S-Sale | 1503.11 | 2026-05-11 |
| Pokorny Michael | officer: VP, Chief Accounting Officer | 2026-05-09 | F-InKind | 1562.34 | 2026-05-11 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-04-20 | F-InKind | 913.02 | 2026-04-21 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2026-04-20 | F-InKind | 913.02 | 2026-04-21 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-03-20 | F-InKind | 709.71 | 2026-03-24 |
| Caulfield Thomas | director | 2026-03-03 | G-Gift | 0 | 2026-03-05 |
| Caulfield Thomas | director | 2026-03-03 | G-Gift | 0 | 2026-03-05 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-02-25 | F-InKind | 632.38 | 2026-02-27 |
| Goeckeler David | director, officer: Chairman & CEO | 2026-02-25 | F-InKind | 632.38 | 2026-02-27 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2026-02-25 | F-InKind | 632.38 | 2026-02-27 |
| Suzuki Miyuki | director | 2026-02-25 | S-Sale | 627.5313 | 2026-02-26 |
| Visoso Luis Felipe | officer: EVP and CFO | 2026-02-21 | F-InKind | 649.97 | 2026-02-24 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-02-20 | F-InKind | 649.97 | 2026-02-24 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-02-21 | F-InKind | 649.97 | 2026-02-24 |
| Goeckeler David | director, officer: Chairman & CEO | 2026-02-20 | F-InKind | 649.97 | 2026-02-24 |
| Goeckeler David | director, officer: Chairman & CEO | 2026-02-21 | F-InKind | 649.97 | 2026-02-24 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2026-02-20 | F-InKind | 649.97 | 2026-02-24 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2026-02-21 | F-InKind | 649.97 | 2026-02-24 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2026-01-20 | F-InKind | 453.12 | 2026-01-21 |
| Bradley Alexander R. | director | 2025-12-30 | A-Award | 0 | 2026-01-02 |
| Bradley Alexander R. | director: | 2025-12-30 | 0 | 2026-01-02 | |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-12-20 | F-InKind | 237.61 | 2025-12-23 |
| Sayiner Necip | director | 2025-12-03 | S-Sale | 195.1429 | 2025-12-04 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-11-25 | F-InKind | 220.5 | 2025-11-26 |
| Goeckeler David | director, officer: Chief Executive Officer | 2025-11-25 | F-InKind | 220.5 | 2025-11-26 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2025-11-25 | F-InKind | 220.5 | 2025-11-26 |
| Visoso Luis Felipe | officer: EVP and Chief Financial Office | 2025-11-21 | F-InKind | 200.27 | 2025-11-24 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-11-20 | F-InKind | 195.96 | 2025-11-24 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-11-21 | F-InKind | 200.27 | 2025-11-24 |
| Pokorny Michael | officer: VP, Chief Accounting Officer | 2025-11-20 | F-InKind | 195.96 | 2025-11-24 |
| Goeckeler David | director, officer: Chief Executive Officer | 2025-11-20 | F-InKind | 195.96 | 2025-11-24 |
| Goeckeler David | director, officer: Chief Executive Officer | 2025-11-21 | F-InKind | 200.27 | 2025-11-24 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2025-11-20 | F-InKind | 195.96 | 2025-11-24 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2025-11-21 | F-InKind | 200.27 | 2025-11-24 |
| Suzuki Miyuki | director | 2025-11-18 | A-Award | 0 | 2025-11-19 |
| Suzuki Miyuki | director | 2025-11-17 | F-InKind | 265.88 | 2025-11-19 |
| Shook Ellyn | director | 2025-11-18 | A-Award | 0 | 2025-11-19 |
| Sayiner Necip | director | 2025-11-18 | A-Award | 0 | 2025-11-19 |
| Caulfield Thomas | director | 2025-11-18 | A-Award | 0 | 2025-11-19 |
| Cassidy Richard B. II | director | 2025-11-18 | A-Award | 0 | 2025-11-19 |
| KUMAR DEVINDER | director | 2025-11-18 | A-Award | 0 | 2025-11-19 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-10-20 | F-InKind | 148.04 | 2025-10-21 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-09-20 | F-InKind | 102.21 | 2025-09-22 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-09-03 | A-Award | 0 | 2025-09-04 |
| Pokorny Michael | officer: VP, Chief Accounting Officer | 2025-09-03 | A-Award | 0 | 2025-09-04 |
| Visoso Luis Felipe | officer: EVP and CFO | 2025-09-03 | A-Award | 0 | 2025-09-04 |
| Goeckeler David | director, officer: Chairman and CEO | 2025-09-03 | A-Award | 0 | 2025-09-04 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2025-09-03 | A-Award | 0 | 2025-09-04 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-08-25 | F-InKind | 46.78 | 2025-08-27 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-08-27 | F-InKind | 48.44 | 2025-08-27 |
| Goeckeler David | director, officer: Chairman and CEO | 2025-08-25 | F-InKind | 46.78 | 2025-08-27 |
| Goeckeler David | director, officer: Chairman and CEO | 2025-08-27 | F-InKind | 48.44 | 2025-08-27 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2025-08-25 | F-InKind | 46.78 | 2025-08-27 |
| Visoso Luis Felipe | officer: EVP and CFO | 2025-08-20 | F-InKind | 44.4 | 2025-08-22 |
| Visoso Luis Felipe | officer: EVP and CFO | 2025-08-21 | F-InKind | 45.5 | 2025-08-22 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-08-20 | F-InKind | 44.4 | 2025-08-22 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-08-21 | F-InKind | 45.5 | 2025-08-22 |
| Goeckeler David | director, officer: Chairman and CEO | 2025-08-20 | F-InKind | 44.4 | 2025-08-22 |
| Goeckeler David | director, officer: Chairman and CEO | 2025-08-21 | F-InKind | 45.5 | 2025-08-22 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2025-08-20 | F-InKind | 44.4 | 2025-08-22 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2025-08-21 | F-InKind | 45.5 | 2025-08-22 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-07-20 | F-InKind | 42.19 | 2025-07-22 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-06-20 | F-InKind | 46.58 | 2025-06-24 |
| WESTERN DIGITAL CORP | 10 percent owner | 2025-06-09 | J-Other | 37.345 | 2025-06-09 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-05-25 | F-InKind | 37.28 | 2025-05-28 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-05-27 | F-InKind | 38.18 | 2025-05-28 |
| Goeckeler David | director, officer: Chairman and CEO | 2025-05-25 | F-InKind | 37.28 | 2025-05-28 |
| Goeckeler David | director, officer: Chairman and CEO | 2025-05-27 | F-InKind | 38.18 | 2025-05-28 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2025-05-25 | F-InKind | 37.28 | 2025-05-28 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-05-20 | F-InKind | 40.18 | 2025-05-22 |
| Goeckeler David | director, officer: Chairman and CEO | 2025-05-20 | F-InKind | 40.18 | 2025-05-22 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2025-05-20 | F-InKind | 40.18 | 2025-05-22 |
| Pokorny Michael | officer: VP, Chief Accounting Officer | 2025-05-09 | A-Award | 0 | 2025-05-13 |
| Visoso Luis Felipe | officer: EVP & CFO | 2025-05-09 | A-Award | 0 | 2025-05-13 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-05-09 | A-Award | 0 | 2025-05-13 |
| Goeckeler David | director, officer: Chairman and CEO | 2025-05-09 | A-Award | 0 | 2025-05-13 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2025-05-09 | A-Award | 0 | 2025-05-13 |
| Shek Bernard | officer: Chief Legal Officer & Secty | 2025-04-20 | F-InKind | 31.29 | 2025-04-21 |
| Ilkbahar Alper | officer: EVP, Chief Technology Officer | 2025-04-20 | F-InKind | 31.29 | 2025-04-21 |
| WESTERN DIGITAL CORP | 10 percent owner | 2025-02-21 | J-Other | 0 | 2025-02-25 |
| WESTERN DIGITAL CORP | 10 percent owner | 2025-02-13 | A-Award | 0 | 2025-02-14 |