Company / CIK 0002023554
Sandisk Corp
- Ticker
- SNDK
- Size, estimated from filings
- Mega cap ($200B and up)
- Insiders on file
- 12
- Members of Congress who traded it
- 4
- Federal contracts on record
- none matched
- Lobbying filings on record
- 9
- SEC filings
- EDGAR ↗
- Latest trade on record
- October 1, 2026
Sandisk Corp (SNDK) has 12 insiders on file who disclosed 151 transactions in the last 12 months (0 open-market buys, 133 sales, about $315.7M at reported prices), and 7 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name, and 5 lobbying filings naming it as client report $210K in 2026.
Sandisk Corp in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
8 people account for the disclosed buying and selling in Sandisk Corp over the last 12 months; the most active is Goeckeler David with $208M.
Lobbying spend by quarter
How much has Sandisk Corp reported spending on federal lobbying?
Sandisk Corp reported $410K in lobbying over the last eight quarters, from filings matched by exact company name.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| Shek Bernard | Chief Legal Officer and Secty | 27 | 0 | 26 | October 2, 2026 |
| Shook Ellyn | Director | 1 | 0 | 0 | October 2, 2026 |
| Pokorny Michael | VP, Chief Accounting Officer | 5 | 0 | 4 | September 21, 2026 |
| Visoso Luis Felipe | EVP & CFO | 8 | 0 | 7 | September 21, 2026 |
| Goeckeler David | Chairman & CEO | 42 | 0 | 41 | September 21, 2026 |
| Ilkbahar Alper | EVP & Chief Technology Officer | 56 | 0 | 52 | September 21, 2026 |
| Suzuki Miyuki | Director | 3 | 0 | 2 | September 17, 2026 |
| Cassidy Richard B. II | Director | 1 | 0 | 0 | August 19, 2026 |
| Caulfield Thomas | Director | 4 | 0 | 0 | May 14, 2026 |
| Sayiner Necip | Director | 3 | 0 | 2 | May 12, 2026 |
| Bradley Alexander R. | Chief Financial Officer | 1 | 0 | 0 | May 5, 2026 |
| KUMAR DEVINDER | Director | 1 | 0 | 0 | March 30, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded SNDK
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the SNDK page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Lisa C. McClain | Representative (MI, District 9), Republican | 3 | 1 | 2 | $3,003–$45K | October 31, 2025 |
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 2 | 2 | 0 | $2,002–$30K | March 13, 2026 |
| Josh Gottheimer | Representative (NJ, District 5), Democrat | 1 | 1 | 0 | $1,001–$15K | May 7, 2026 |
| Alan Armstrong | Senator (OK), Republican | 1 | 1 | 0 | $1,001–$15K | March 27, 2026 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Shek Bernard | SNDK | Sell S | October 1, 2026 | October 2, 2026 | 1d | 600 | $1,735 | $1.0M | 10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Other A | September 17, 2026 | September 21, 2026 | 4d | 1,619 | — | — | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | September 20, 2026 | September 21, 2026 | 1d | 118 | $1,792 | $211K | Form 4 ↗ | ||
| Shek Bernard | SNDK | Other A | September 17, 2026 | September 21, 2026 | 4d | 1,001 | — | — | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 165 | $1,587 | $262K | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 1,520 | $1,586 | $2.4M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 1,080 | $1,584 | $1.7M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 1,480 | $1,580 | $2.3M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 640 | $1,579 | $1.0M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 2,876 | $1,578 | $4.5M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 4,139 | $1,577 | $6.5M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 2,778 | $1,576 | $4.4M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 2,588 | $1,575 | $4.1M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 306 | $1,573 | $481K | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 1,157 | $1,573 | $1.8M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 4,558 | $1,571 | $7.2M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 910 | $1,570 | $1.4M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 9,604 | $1,569 | $15.1M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 17, 2026 | September 21, 2026 | 4d | 40 | $1,567 | $63K | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Other A | September 17, 2026 | September 21, 2026 | 4d | 3,296 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Visoso Luis Felipe | SNDK | Other A | September 17, 2026 | September 21, 2026 | 4d | 1,635 | — | — | Form 4 ↗ | ||
| Pokorny Michael | SNDK | Other A | September 17, 2026 | September 21, 2026 | 4d | 458 | — | — | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 360 | $1,542 | $555K | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 864 | $1,541 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 1,480 | $1,539 | $2.3M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 3,200 | $1,538 | $4.9M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 1,695 | $1,536 | $2.6M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 700 | $1,535 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 1,200 | $1,532 | $1.8M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 359 | $1,529 | $549K | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 4,080 | $1,528 | $6.2M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 2,280 | $1,526 | $3.5M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 3,075 | $1,524 | $4.7M | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 181 | $1,523 | $276K | 10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell S | September 14, 2026 | September 16, 2026 | 2d | 14,364 | $1,523 | $21.9M | 10b5-1 plan | Form 4 ↗ | |
| Visoso Luis Felipe | SNDK | Sell S | September 15, 2026 | September 16, 2026 | 1d | 1,000 | $1,569 | $1.6M | 10b5-1 plan | Form 4 ↗ | |
| Shek Bernard | SNDK | Sell S | September 8, 2026 | September 8, 2026 | 0d | 2,308 | $1,767 | $4.1M | 10b5-1 plan | Form 4 ↗ | |
| Shek Bernard | SNDK | Sell F | September 3, 2026 | September 8, 2026 | 5d | 2,271 | $1,555 | $3.5M | late10b5-1 plan | Form 4 ↗ | |
| Goeckeler David | SNDK | Sell F | September 3, 2026 | September 8, 2026 | 5d | 10,540 | $1,555 | $16.4M | late | Form 4 ↗ | |
| Visoso Luis Felipe | SNDK | Sell F | September 3, 2026 | September 8, 2026 | 5d | 5,838 | $1,555 | $9.1M | late | Form 4 ↗ | |
| Pokorny Michael | SNDK | Sell F | September 3, 2026 | September 8, 2026 | 5d | 1,283 | $1,555 | $2.0M | late | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 40 | $1,559 | $62K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,558 | $125K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 78 | $1,556 | $121K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 40 | $1,554 | $62K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 120 | $1,553 | $186K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 40 | $1,550 | $62K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 40 | $1,549 | $62K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,547 | $124K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,546 | $124K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 2,594 | $1,544 | $4.0M | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,543 | $123K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,541 | $123K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,540 | $123K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,538 | $123K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 160 | $1,537 | $246K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,536 | $123K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,534 | $123K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 120 | $1,534 | $184K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 40 | $1,532 | $61K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,531 | $122K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,530 | $122K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 40 | $1,528 | $61K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,527 | $122K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,524 | $122K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 40 | $1,522 | $61K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,521 | $122K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 68 | $1,519 | $103K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 52 | $1,518 | $79K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 80 | $1,515 | $121K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 40 | $1,513 | $61K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell F | September 3, 2026 | September 8, 2026 | 5d | 3,244 | $1,555 | $5.0M | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 40 | $1,571 | $63K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 40 | $1,564 | $63K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 200 | $1,564 | $313K | late10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell S | September 3, 2026 | September 8, 2026 | 5d | 120 | $1,562 | $187K | late10b5-1 plan | Form 4 ↗ | |
| Shek Bernard | SNDK | Sell S | September 1, 2026 | September 2, 2026 | 1d | 600 | $1,526 | $915K | 10b5-1 plan | Form 4 ↗ | |
| Shek Bernard | SNDK | Sell F | August 25, 2026 | August 27, 2026 | 2d | 212 | $1,481 | $314K | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | August 25, 2026 | August 27, 2026 | 2d | 49,782 | $1,481 | $73.7M | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | August 25, 2026 | August 27, 2026 | 2d | 654 | $1,481 | $968K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Option / conversion M | August 20, 2026 | August 24, 2026 | 4d | 276 | — | — | derivative | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Sell F | August 21, 2026 | August 24, 2026 | 3d | 320 | $1,596 | $511K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | August 20, 2026 | August 24, 2026 | 4d | 163 | $1,601 | $261K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | August 20, 2026 | August 24, 2026 | 4d | 276 | $1,601 | $442K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Option / conversion M | August 20, 2026 | August 24, 2026 | 4d | 276 | — | — | Form 4 ↗ | ||
| Visoso Luis Felipe | SNDK | Sell F | August 21, 2026 | August 24, 2026 | 3d | 1,589 | $1,596 | $2.5M | Form 4 ↗ | ||
| Visoso Luis Felipe | SNDK | Sell F | August 20, 2026 | August 24, 2026 | 4d | 25,655 | $1,601 | $41.1M | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | August 21, 2026 | August 24, 2026 | 3d | 1,033 | $1,596 | $1.6M | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | August 20, 2026 | August 24, 2026 | 4d | 1,300 | $1,601 | $2.1M | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | August 21, 2026 | August 24, 2026 | 3d | 108 | $1,596 | $172K | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | August 20, 2026 | August 24, 2026 | 4d | 111 | $1,601 | $178K | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell S | August 3, 2026 | August 4, 2026 | 1d | 600 | $1,162 | $697K | 10b5-1 plan | Form 4 ↗ | |
| Shek Bernard | SNDK | Sell S | July 1, 2026 | July 2, 2026 | 1d | 600 | $2,088 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| Shek Bernard | SNDK | Sell F | June 20, 2026 | June 22, 2026 | 2d | 117 | $2,185 | $256K | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell S | June 3, 2026 | June 5, 2026 | 2d | 600 | $1,736 | $1.0M | 10b5-1 plan | Form 4 ↗ | |
| Ilkbahar Alper | SNDK | Other G | June 2, 2026 | June 2, 2026 | 0d | 2,694 | — | — | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell S | June 1, 2026 | June 2, 2026 | 1d | 600 | $1,758 | $1.1M | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell S | June 1, 2026 | June 2, 2026 | 1d | 401 | $1,757 | $705K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell S | June 1, 2026 | June 2, 2026 | 1d | 999 | $1,755 | $1.8M | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | May 25, 2026 | May 27, 2026 | 2d | 211 | $1,479 | $312K | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | May 25, 2026 | May 27, 2026 | 2d | 1,569 | $1,479 | $2.3M | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | May 25, 2026 | May 27, 2026 | 2d | 653 | $1,479 | $966K | Form 4 ↗ | ||
| Visoso Luis Felipe | SNDK | Sell F | May 21, 2026 | May 22, 2026 | 1d | 1,588 | $1,542 | $2.4M | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | May 21, 2026 | May 22, 2026 | 1d | 107 | $1,542 | $165K | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | May 20, 2026 | May 22, 2026 | 2d | 109 | $1,393 | $152K | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | May 21, 2026 | May 22, 2026 | 1d | 1,032 | $1,542 | $1.6M | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | May 20, 2026 | May 22, 2026 | 2d | 1,299 | $1,393 | $1.8M | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | May 21, 2026 | May 22, 2026 | 1d | 319 | $1,542 | $492K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | May 20, 2026 | May 22, 2026 | 2d | 162 | $1,393 | $226K | Form 4 ↗ | ||
| Pokorny Michael | SNDK | Sell S | May 12, 2026 | May 14, 2026 | 2d | 2,446 | $1,426 | $3.5M | Form 4 ↗ | ||
| Caulfield Thomas | SNDK | Other G | May 12, 2026 | May 14, 2026 | 2d | 9,666 | — | — | indirect | Form 4 ↗ | |
| Sayiner Necip | SNDK | Sell S | May 8, 2026 | May 11, 2026 | 3d | 579 | $1,503 | $870K | Form 4 ↗ | ||
| Pokorny Michael | SNDK | Sell F | May 9, 2026 | May 11, 2026 | 2d | 1,429 | $1,562 | $2.2M | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | April 20, 2026 | April 21, 2026 | 1d | 41 | $913 | $37K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | April 20, 2026 | April 21, 2026 | 1d | 2,251 | $913 | $2.1M | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | March 20, 2026 | March 24, 2026 | 4d | 117 | $710 | $83K | Form 4 ↗ | ||
| Caulfield Thomas | SNDK | Other G | March 3, 2026 | March 5, 2026 | 2d | 14,500 | — | — | indirect | Form 4 ↗ | |
| Caulfield Thomas | SNDK | Other G | March 3, 2026 | March 5, 2026 | 2d | 14,500 | — | — | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | February 25, 2026 | February 27, 2026 | 2d | 211 | $632 | $133K | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | February 25, 2026 | February 27, 2026 | 2d | 1,569 | $632 | $992K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | February 25, 2026 | February 27, 2026 | 2d | 566 | $632 | $358K | Form 4 ↗ | ||
| Suzuki Miyuki | SNDK | Sell S | February 25, 2026 | February 26, 2026 | 1d | 3,500 | $628 | $2.2M | Form 4 ↗ | ||
| Visoso Luis Felipe | SNDK | Sell F | February 21, 2026 | February 24, 2026 | 3d | 1,594 | $650 | $1.0M | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | February 21, 2026 | February 24, 2026 | 3d | 107 | $650 | $70K | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | February 20, 2026 | February 24, 2026 | 4d | 117 | $650 | $76K | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | February 21, 2026 | February 24, 2026 | 3d | 1,032 | $650 | $671K | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | February 20, 2026 | February 24, 2026 | 4d | 1,300 | $650 | $845K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | February 21, 2026 | February 24, 2026 | 3d | 223 | $650 | $145K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | February 20, 2026 | February 24, 2026 | 4d | 122 | $650 | $79K | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | January 20, 2026 | January 21, 2026 | 1d | 34 | $453 | $15K | Form 4 ↗ | ||
| Bradley Alexander R. | SNDK | Other A | December 30, 2025 | January 2, 2026 | 3d | 863 | — | — | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | December 20, 2025 | December 23, 2025 | 3d | 117 | $238 | $28K | Form 4 ↗ | ||
| Sayiner Necip | SNDK | Sell S | December 3, 2025 | December 4, 2025 | 1d | 1,271 | $195 | $248K | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | November 25, 2025 | November 26, 2025 | 1d | 211 | $221 | $47K | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | November 25, 2025 | November 26, 2025 | 1d | 1,569 | $221 | $346K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | November 25, 2025 | November 26, 2025 | 1d | 653 | $221 | $144K | Form 4 ↗ | ||
| Visoso Luis Felipe | SNDK | Sell F | November 21, 2025 | November 24, 2025 | 3d | 1,588 | $200 | $318K | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | November 21, 2025 | November 24, 2025 | 3d | 107 | $200 | $21K | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | November 20, 2025 | November 24, 2025 | 4d | 109 | $196 | $21K | Form 4 ↗ | ||
| Pokorny Michael | SNDK | Sell F | November 20, 2025 | November 24, 2025 | 4d | 821 | $196 | $161K | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | November 21, 2025 | November 24, 2025 | 3d | 1,032 | $200 | $207K | Form 4 ↗ | ||
| Goeckeler David | SNDK | Sell F | November 20, 2025 | November 24, 2025 | 4d | 1,299 | $196 | $255K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | November 21, 2025 | November 24, 2025 | 3d | 319 | $200 | $64K | Form 4 ↗ | ||
| Ilkbahar Alper | SNDK | Sell F | November 20, 2025 | November 24, 2025 | 4d | 162 | $196 | $32K | Form 4 ↗ | ||
| Suzuki Miyuki | SNDK | Other A | November 18, 2025 | November 19, 2025 | 1d | 979 | — | — | Form 4 ↗ | ||
| Suzuki Miyuki | SNDK | Sell F | November 17, 2025 | November 19, 2025 | 2d | 2,213 | $266 | $588K | Form 4 ↗ | ||
| Shook Ellyn | SNDK | Other A | November 18, 2025 | November 19, 2025 | 1d | 979 | — | — | Form 4 ↗ | ||
| Sayiner Necip | SNDK | Other A | November 18, 2025 | November 19, 2025 | 1d | 979 | — | — | Form 4 ↗ | ||
| Caulfield Thomas | SNDK | Other A | November 18, 2025 | November 19, 2025 | 1d | 979 | — | — | Form 4 ↗ | ||
| Cassidy Richard B. II | SNDK | Other A | November 18, 2025 | November 19, 2025 | 1d | 1,143 | — | — | Form 4 ↗ | ||
| KUMAR DEVINDER | SNDK | Other A | November 18, 2025 | November 19, 2025 | 1d | 979 | — | — | Form 4 ↗ | ||
| Shek Bernard | SNDK | Sell F | October 20, 2025 | October 21, 2025 | 1d | 362 | $148 | $54K | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "Sandisk Corp". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
| Period | Registrant | Primary issue | Amount | Source |
|---|---|---|---|---|
| 2026 Q3 | THE WESSEL GROUP INCORPORATED | Manufacturing | $10,000 | LDA ↗ |
| 2026 Q2 | BGR GOVERNMENT AFFAIRS | Trade (domestic/foreign) | $80,000 | LDA ↗ |
| 2026 Q2 | THE WESSEL GROUP INCORPORATED | Manufacturing | $10,000 | LDA ↗ |
| 2026 Q1 | BGR GOVERNMENT AFFAIRS | Trade (domestic/foreign) | $80,000 | LDA ↗ |
| 2026 Q1 | THE WESSEL GROUP INCORPORATED | Manufacturing | $30,000 | LDA ↗ |
| 2025 Q4 | BGR GOVERNMENT AFFAIRS | Trade (domestic/foreign) | $80,000 | LDA ↗ |
| 2025 Q4 | THE WESSEL GROUP INCORPORATED | Manufacturing | $20,000 | LDA ↗ |
| 2025 Q3 | BGR GOVERNMENT AFFAIRS | Trade (domestic/foreign) | $80,000 | LDA ↗ |
| 2025 Q3 | THE WESSEL GROUP INCORPORATED | Manufacturing | $20,000 | LDA ↗ |
Related companies
Companies whose stock was traded by the same people who traded SNDK, by number of filers in common. It shows overlap in public filings and nothing else.
- Uber Technologies, Inc UBER 4 filers in common
- INTUIT INC. INTU 4 filers in common
- ADVANCED MICRO DEVICES INC AMD 4 filers in common
- CIENA CORP CIEN 4 filers in common
- MICROSOFT CORP MSFT 4 filers in common
- UNITEDHEALTH GROUP INC UNH 4 filers in common
- FREEPORT-MCMORAN INC FCX 4 filers in common
- BERKSHIRE HATHAWAY INC BRK.B 4 filers in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Lobbying disclosure reports Reports are due about 20 days after each quarter ends.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 4 | 6 | November 21, 2025 | June 3, 2026 | House Clerk search |
| Senate eFD, periodic transaction reports | 1 | 1 | July 21, 2026 | July 21, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 69 | 152 | October 21, 2025 | October 2, 2026 | Form 4 list on EDGAR |
| Lobbying disclosure filings | 9 filings | — | — | — | LDA.gov search |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.