SNDK Sandisk
Nasdaq · SEC CIK 2023554 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $132.73M 15 sales by 7 insiders
- Filings on record
- 115 since 2025-02-14, latest 2026-09-21 18:04
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Goeckeler David | COB, CEO, Dir | — | $104.97M |
| Ilkbahar Alper | EVP, CTO | — | $11.40M |
| Shek Bernard | CLO, Secty | — | $7.99M |
| Pokorny Michael | VP, CAO | — | $3.49M |
| Suzuki Miyuki | Dir | — | $2.20M |
| Visoso Luis Felipe | EVP, Chief Financial Office | — | $1.57M |
| Sayiner Necip | Dir | — | $1.12M |
| Cassidy Richard B. II | Dir | — | — |
| Bradley Alexander R. | Dir | — | — |
| Shook Ellyn | Dir | — | — |
Transactions 120
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-21 18:04 | 2026-09-17 | SNDK | Pokorny Michael | VP, CAO | A - Grant | $0.00 | +458 | 21.6K | +2% | $0 | |
| 2026-09-21 18:04 | 2026-09-17 | SNDK | Visoso Luis Felipe | EVP, CFO | A - Grant | $0.00 | +1,635 | 132.6K | +1% | $0 | |
| T | 2026-09-21 18:03 | 2026-09-17 | SNDK | Goeckeler David | COB, CEO, Dir | A - Grant | $0.00 | +3,296 | 416.7K | +0.8% | $0 |
| MT | 2026-09-21 18:03 | 2026-09-17 | SNDK | Goeckeler David | COB, CEO, Dir | S - Sale | $1,574.21 | -33.8K | 382.9K | -8% | -$53.27M |
| 2026-09-21 18:03 | 2026-09-17 | SNDK | Shek Bernard | CLO, Secty | A - Grant | $0.00 | +1,001 | 26.3K | +4% | $0 | |
| 2026-09-21 18:03 | 2026-09-20 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $1,791.82 | -118 | 26.2K | -0.4% | -$211.4K | |
| 2026-09-21 18:02 | 2026-09-17 | SNDK | Ilkbahar Alper | EVP, CTO | A - Grant | $0.00 | +1,619 | 42.1K | +4% | $0 | |
| T | 2026-09-16 19:41 | 2026-09-15 | SNDK | Visoso Luis Felipe | EVP, CFO | S - Sale | $1,568.83 | -1,000 | 131.0K | -0.8% | -$1.57M |
| MT | 2026-09-16 19:41 | 2026-09-14 | SNDK | Goeckeler David | COB, CEO, Dir | S - Sale | $1,527.87 | -33.8K | 413.4K | -8% | -$51.70M |
| MT | 2026-09-08 20:50 | 2026-09-03 | SNDK | Ilkbahar Alper | EVP, CTO | S - Sale | $1,563.89 | -400 | 43.7K | -0.9% | -$625.6K |
| T | 2026-09-08 20:50 | 2026-09-03 | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $1,554.99 | -3,244 | 40.5K | -7% | -$5.04M |
| MT | 2026-09-08 20:49 | 2026-09-03 | SNDK | Ilkbahar Alper | EVP, CTO | S - Sale | $1,540.58 | -4,712 | 44.1K | -10% | -$7.26M |
| T | 2026-09-08 20:48 | 2026-09-03 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $1,554.99 | -2,271 | 27.6K | -8% | -$3.53M |
| T | 2026-09-08 20:48 | 2026-09-08 | SNDK | Shek Bernard | CLO, Secty | S - Sale | $1,767.33 | -2,308 | 25.3K | -8% | -$4.08M |
| 2026-09-08 20:48 | 2026-09-03 | SNDK | Goeckeler David | COB, CEO, Dir | F - Tax | $1,554.99 | -10.5K | 447.2K | -2% | -$16.39M | |
| 2026-09-08 20:48 | 2026-09-03 | SNDK | Visoso Luis Felipe | EVP, CFO | F - Tax | $1,554.99 | -5,838 | 132.0K | -4% | -$9.08M | |
| 2026-09-08 20:47 | 2026-09-03 | SNDK | Pokorny Michael | VP, CAO | F - Tax | $1,554.99 | -1,283 | 21.1K | -6% | -$2.00M | |
| T | 2026-09-02 18:57 | 2026-09-01 | SNDK | Shek Bernard | CLO, Secty | S - Sale | $1,525.60 | -600 | 29.9K | -2% | -$915.4K |
| 2026-08-27 18:04 | 2026-08-25 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $1,480.77 | -212 | 30.5K | -0.7% | -$313.9K | |
| 2026-08-27 18:04 | 2026-08-25 | SNDK | Goeckeler David | COB, CEO, Dir | F - Tax | $1,480.77 | -49.8K | 457.8K | -10% | -$73.72M | |
| 2026-08-27 18:04 | 2026-08-25 | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $1,480.77 | -654 | 48.8K | -1% | -$968.4K | |
| D | 2026-08-24 17:50 | 2026-08-20 | SNDK | Ilkbahar Alper | EVP, CTO | M - OptEx | $0.00 | +276 | 50.3K | +0.6% | $0 |
| DM | 2026-08-24 17:50 | 2026-08-20+ | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $1,598.71 | -759 | 49.5K | -2% | -$1.21M |
| M | 2026-08-24 17:42 | 2026-08-20+ | SNDK | Visoso Luis Felipe | EVP, CFO | F - Tax | $1,600.36 | -27.2K | 137.8K | -17% | -$43.60M |
| M | 2026-08-24 17:42 | 2026-08-20+ | SNDK | Goeckeler David | COB, CEO, Dir | F - Tax | $1,598.61 | -2,333 | 507.6K | -0.5% | -$3.73M |
| M | 2026-08-24 17:42 | 2026-08-20+ | SNDK | Shek Bernard | CLO, Secty | F - Tax | $1,598.38 | -219 | 30.7K | -0.7% | -$350.0K |
| T | 2026-08-04 20:18 | 2026-08-03 | SNDK | Shek Bernard | CLO, Secty | S - Sale | $1,162.16 | -600 | 30.9K | -2% | -$697.3K |
| T | 2026-07-02 17:43 | 2026-07-01 | SNDK | Shek Bernard | CLO, Secty | S - Sale | $2,088.00 | -600 | 31.5K | -2% | -$1.25M |
| 2026-06-22 19:32 | 2026-06-20 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $2,184.75 | -117 | 32.1K | -0.4% | -$255.6K | |
| T | 2026-06-05 17:25 | 2026-06-03 | SNDK | Shek Bernard | CLO, Secty | S - Sale | $1,736.00 | -600 | 32.2K | -2% | -$1.04M |
| M | 2026-06-02 17:34 | 2026-06-01 | SNDK | Ilkbahar Alper | EVP, CTO | S - Sale | $1,756.58 | -2,000 | 52.7K | -4% | -$3.51M |
| 2026-06-02 17:34 | 2026-06-02 | SNDK | Ilkbahar Alper | EVP, CTO | G - Gift | $0.00 | -2,694 | 50.0K | -5% | $0 | |
| 2026-05-27 17:15 | 2026-05-25 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $1,478.69 | -211 | 32.8K | -0.6% | -$312.0K | |
| 2026-05-27 17:15 | 2026-05-25 | SNDK | Goeckeler David | COB, CEO, Dir | F - Tax | $1,478.69 | -1,569 | 509.9K | -0.3% | -$2.32M | |
| 2026-05-27 17:15 | 2026-05-25 | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $1,478.69 | -653 | 54.7K | -1% | -$965.6K | |
| 2026-05-22 18:48 | 2026-05-21 | SNDK | Visoso Luis Felipe | EVP, Chief Financial Office | F - Tax | $1,542.24 | -1,588 | 165.1K | -1.0% | -$2.45M | |
| M | 2026-05-22 18:47 | 2026-05-20+ | SNDK | Shek Bernard | CLO, Secty | F - Tax | $1,466.71 | -216 | 33.0K | -0.6% | -$316.8K |
| M | 2026-05-22 18:47 | 2026-05-20+ | SNDK | Goeckeler David | COB, CEO, Dir | F - Tax | $1,458.83 | -2,331 | 511.5K | -0.5% | -$3.40M |
| M | 2026-05-22 18:47 | 2026-05-20+ | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $1,491.83 | -481 | 55.3K | -0.9% | -$717.6K |
| 2026-05-14 17:36 | 2026-05-12 | SNDK | Pokorny Michael | VP, CAO | S - Sale | $1,426.18 | -2,446 | 22.4K | -10% | -$3.49M | |
| I | 2026-05-14 17:36 | 2026-05-12 | SNDK | Caulfield Thomas | Dir | G - Gift | $0.00 | -9,666 | 4,834 | -67% | $0 |
| 2026-05-11 21:12 | 2026-05-08 | SNDK | Sayiner Necip | Dir | S - Sale | $1,503.11 | -579 | 2,900 | -17% | -$870.3K | |
| 2026-05-11 21:12 | 2026-05-09 | SNDK | Pokorny Michael | VP, CAO | F - Tax | $1,562.34 | -1,429 | 24.8K | -5% | -$2.23M | |
| 2026-04-21 20:10 | 2026-04-20 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $913.02 | -41 | 33.3K | -0.1% | -$37.4K | |
| 2026-04-21 20:10 | 2026-04-20 | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $913.02 | -2,251 | 55.8K | -4% | -$2.06M | |
| 2026-03-24 | 2026-03-20 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $709.71 | -117 | 33.3K | -0.4% | -$83.0K | |
| 2026-03-05 | 2026-03-03 | SNDK | Caulfield Thomas | Dir | G - Gift | $0.00 | -14.5K | 2,312 | -86% | $0 | |
| I | 2026-03-05 | 2026-03-03 | SNDK | Caulfield Thomas | Dir | G - Gift | $0.00 | +14.5K | 14.5K | New | $0 |
| 2026-02-27 | 2026-02-25 | SNDK | Goeckeler David | COB, CEO, Dir | F - Tax | $632.38 | -1,569 | 513.8K | -0.3% | -$992.2K | |
| 2026-02-27 | 2026-02-25 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $632.38 | -211 | 33.4K | -0.6% | -$133.4K | |
| 2026-02-27 | 2026-02-25 | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $632.38 | -566 | 58.1K | -1.0% | -$357.9K | |
| 2026-02-26 | 2026-02-25 | SNDK | Suzuki Miyuki | Dir | S - Sale | $627.53 | -3,500 | 9,907 | -26% | -$2.20M | |
| M | 2026-02-24 | 2026-02-20+ | SNDK | Shek Bernard | CLO, Secty | F - Tax | $649.97 | -224 | 33.6K | -0.7% | -$145.6K |
| 2026-02-24 | 2026-02-21 | SNDK | Visoso Luis Felipe | EVP, CFO | F - Tax | $649.97 | -1,594 | 166.6K | -0.9% | -$1.04M | |
| M | 2026-02-24 | 2026-02-20+ | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $649.97 | -345 | 58.6K | -0.6% | -$224.2K |
| M | 2026-02-24 | 2026-02-20+ | SNDK | Goeckeler David | COB, CEO, Dir | F - Tax | $649.97 | -2,332 | 515.4K | -0.5% | -$1.52M |
| 2026-01-21 | 2026-01-20 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $453.12 | -34 | 33.9K | -0.1% | -$15.4K | |
| 2026-01-02 | 2025-12-30 | SNDK | Bradley Alexander R. | Dir | A - Grant | $0.00 | +863 | 863 | New | $0 | |
| 2025-12-23 | 2025-12-20 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $237.61 | -117 | 33.9K | -0.3% | -$27.8K | |
| 2025-12-04 | 2025-12-03 | SNDK | Sayiner Necip | Dir | S - Sale | $195.14 | -1,271 | 3,479 | -27% | -$248.0K | |
| 2025-11-26 | 2025-11-25 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $220.50 | -211 | 34.0K | -0.6% | -$46.5K | |
| 2025-11-26 | 2025-11-25 | SNDK | Goeckeler David | CEO, Dir | F - Tax | $220.50 | -1,569 | 517.7K | -0.3% | -$346.0K | |
| 2025-11-26 | 2025-11-25 | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $220.50 | -653 | 59.0K | -1% | -$144.0K | |
| 2025-11-24 | 2025-11-21 | SNDK | Visoso Luis Felipe | EVP, Chief Financial Office | F - Tax | $200.27 | -1,588 | 168.2K | -0.9% | -$318.0K | |
| 2025-11-24 | 2025-11-20 | SNDK | Pokorny Michael | VP, CAO | F - Tax | $195.96 | -821 | 26.2K | -3% | -$160.9K | |
| M | 2025-11-24 | 2025-11-20+ | SNDK | Shek Bernard | CLO, Secty | F - Tax | $198.10 | -216 | 34.2K | -0.6% | -$42.8K |
| M | 2025-11-24 | 2025-11-20+ | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $198.82 | -481 | 59.6K | -0.8% | -$95.6K |
| M | 2025-11-24 | 2025-11-20+ | SNDK | Goeckeler David | CEO, Dir | F - Tax | $197.87 | -2,331 | 519.3K | -0.4% | -$461.2K |
| 2025-11-19 | 2025-11-18 | SNDK | Cassidy Richard B. II | Dir | A - Grant | $0.00 | +1,143 | 4,914 | +30% | $0 | |
| 2025-11-19 | 2025-11-18 | SNDK | KUMAR DEVINDER | Dir | A - Grant | $0.00 | +979 | 4,769 | +26% | $0 | |
| 2025-11-19 | 2025-11-18 | SNDK | Shook Ellyn | Dir | A - Grant | $0.00 | +979 | 4,750 | +26% | $0 | |
| 2025-11-19 | 2025-11-18 | SNDK | Sayiner Necip | Dir | A - Grant | $0.00 | +979 | 4,750 | +26% | $0 | |
| 2025-11-19 | 2025-11-18 | SNDK | Caulfield Thomas | Dir | A - Grant | $0.00 | +979 | 16.8K | +6% | $0 | |
| 2025-11-19 | 2025-11-17 | SNDK | Suzuki Miyuki | Dir | F - Tax | $265.88 | -2,213 | 12.4K | -15% | -$588.4K | |
| 2025-11-19 | 2025-11-18 | SNDK | Suzuki Miyuki | Dir | A - Grant | $0.00 | +979 | 13.4K | +8% | $0 | |
| 2025-10-21 | 2025-10-20 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $148.04 | -362 | 34.4K | -1% | -$53.6K | |
| 2025-09-22 | 2025-09-20 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $102.21 | -117 | 34.8K | -0.3% | -$12.0K | |
| 2025-09-04 | 2025-09-03 | SNDK | Goeckeler David | COB, CEO, Dir | A - Grant | $0.00 | +85.0K | 521.6K | +19% | $0 | |
| 2025-09-04 | 2025-09-03 | SNDK | Visoso Luis Felipe | EVP, CFO | A - Grant | $0.00 | +47.1K | 169.8K | +38% | $0 | |
| 2025-09-04 | 2025-09-03 | SNDK | Pokorny Michael | VP, CAO | A - Grant | $0.00 | +13.0K | 27.1K | +93% | $0 | |
| 2025-09-04 | 2025-09-03 | SNDK | Shek Bernard | CLO, Secty | A - Grant | $0.00 | +18.3K | 34.9K | +110% | $0 | |
| 2025-09-04 | 2025-09-03 | SNDK | Ilkbahar Alper | EVP, CTO | A - Grant | $0.00 | +26.2K | 60.1K | +77% | $0 | |
| M | 2025-08-27 | 2025-08-25+ | SNDK | Goeckeler David | COB, CEO, Dir | F - Tax | $47.42 | -2,549 | 437.6K | -0.6% | -$120.9K |
| 2025-08-27 | 2025-08-25 | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $46.78 | -653 | 33.9K | -2% | -$30.5K | |
| M | 2025-08-27 | 2025-08-25+ | SNDK | Shek Bernard | CLO, Secty | F - Tax | $47.23 | -289 | 16.7K | -2% | -$13.6K |
| M | 2025-08-22 | 2025-08-20+ | SNDK | Shek Bernard | CLO, Secty | F - Tax | $45.28 | -538 | 16.9K | -3% | -$24.4K |
| M | 2025-08-22 | 2025-08-20+ | SNDK | Goeckeler David | COB, CEO, Dir | F - Tax | $44.52 | -39.1K | 439.1K | -8% | -$1.74M |
| M | 2025-08-22 | 2025-08-20+ | SNDK | Visoso Luis Felipe | EVP, CFO | F - Tax | $44.62 | -32.0K | 129.1K | -20% | -$1.43M |
| M | 2025-08-22 | 2025-08-20+ | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $44.99 | -2,373 | 34.6K | -6% | -$106.8K |
| 2025-07-22 | 2025-07-20 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $42.19 | -29 | 17.4K | -0.2% | -$1,224 | |
| 2025-06-24 | 2025-06-20 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $46.58 | -184 | 17.5K | -1% | -$8,571 | |
| 2025-06-09 | 2025-06-09 | SNDK | WESTERN DIGITAL CORP | 10% | J - Other | — | +21.31M | 7.51M | New | — | |
| A | 2025-06-09 | 2025-06-09 | SNDK | WESTERN DIGITAL CORP | 10% | J - Other | — | -21.31M | 7.51M | -74% | — |
| 2025-05-28 | 2025-05-25 | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $37.28 | -653 | 37.0K | -2% | -$24.3K | |
| M | 2025-05-28 | 2025-05-25+ | SNDK | Goeckeler David | COB, CEO, Dir | F - Tax | $37.63 | -2,548 | 478.3K | -0.5% | -$95.9K |
| M | 2025-05-28 | 2025-05-25+ | SNDK | Shek Bernard | CLO, Secty | F - Tax | $37.52 | -201 | 17.6K | -1% | -$7,542 |
| 2025-05-22 | 2025-05-20 | SNDK | Ilkbahar Alper | EVP, CTO | F - Tax | $40.18 | -162 | 37.6K | -0.4% | -$6,509 | |
| 2025-05-22 | 2025-05-20 | SNDK | Goeckeler David | COB, CEO, Dir | F - Tax | $40.18 | -1,299 | 480.8K | -0.3% | -$52.2K | |
| 2025-05-22 | 2025-05-20 | SNDK | Shek Bernard | CLO, Secty | F - Tax | $40.18 | -76 | 17.8K | -0.4% | -$3,054 | |
| 2025-05-13 | 2025-05-09 | SNDK | Pokorny Michael | VP, CAO | A - Grant | $0.00 | +7,750 | 14.0K | +123% | $0 |
Purchase Sale Sale after option exercise All abbreviations