Sandisk Corp
SNDK- Exchange
- Nasdaq
- Industry
- Computer Storage Devices
- SEC CIK
- 0002023554
In the last 90 days, Sandisk Corp insiders filed 0 open-market purchases and 9 sales; 1,828 institutions reported holding it in 13F filings for Q2 2026, worth $248.0B in total; superinvestors Duquesne Family Office and Maverick Capital hold it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Sandisk Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 9 filings
- 4 insiders, $121.4M in total
- Insiders trading
- 4
- Net value
- −$121.4M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Sandisk Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Pokorny Michael | VP, Chief Accounting Officer | 21,550 | Sep 21, 2026 | 5 |
| Visoso Luis Felipe | EVP & CFO | 132,611 | Sep 21, 2026 | 7 |
| Goeckeler David | Chairman & CEO | 382,865 | Sep 21, 2026 | 11 |
| Shek Bernard | Chief Legal Officer and Secty | 26,188 | Sep 21, 2026 | 20 |
| Ilkbahar Alper | EVP & Chief Technology Officer | 42,109 | Sep 21, 2026 | 13 |
| Caulfield Thomas | Director | 4,834Indirect | May 14, 2026 | 3 |
| Sayiner Necip | Director | 2,900 | May 11, 2026 | 3 |
| Suzuki Miyuki | Director | 9,907 | Feb 26, 2026 | 2 |
| Bradley Alexander R. | Director | 863 | Jan 2, 2026 | 1 |
| Kumar Devinder | Director | 4,769 | Nov 19, 2025 | 1 |
| Shook Ellyn | Director | 4,750 | Nov 19, 2025 | 1 |
| Cassidy Richard B. II | Director | 4,914 | Nov 19, 2025 | 1 |
| Western Digital Corp | 10% Owner | 7,513,019 | Jun 9, 2025 | 0 |
| Massengill Matthew E | Director | 4,840 | Mar 4, 2025 | 0 |
| Alexy Kimberly | Director | 5,401 | Mar 4, 2025 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 4, 2025 (view filing) | Dec 3 | 1 day | Sayiner NecipDirector | SSale | −1.27K | $195.14 | −$248.0K | −26.8%3.48K after | |
| Feb 26, 2026 (view filing) | Feb 25 | 1 day | Suzuki MiyukiDirector | SSale | −3.50K | $627.53 | −$2.20M | −26.1%9.91K after | |
| May 11, 2026 (view filing) | May 8 | 3 days | Sayiner NecipDirector | SSale | −579 | $1,503.11 | −$870.3K | −16.6%2.90K after | |
| May 14, 2026 (view filing) | May 12 | 2 days | Pokorny MichaelVP, Chief Accounting Officer | SSale | −2.45K | $1,426.18 | −$3.49M | −9.9%22.4K after | |
| Jun 2, 2026 (view filing) | Jun 1 | 1 day | Ilkbahar AlperEVP, Chief Technology Officer | SSale | −2.00K | $1,756.58 | −$3.51M | −3.7%52.7K after | 3 lots |
| Jun 5, 2026 (view filing) | Jun 3 | 2 days | Shek BernardChief Legal Officer & Secty | SSale | −600 | $1,736.00 | −$1.04M | −1.8%32.2K after | 10b5-1 |
| Jul 2, 2026 (view filing)5:43 PM ET | Jul 1 | 1 day | Shek BernardChief Legal Officer & Secty | SSale | −600 | $2,088.00 | −$1.25M | −1.9%31.5K after | 10b5-1 |
| Aug 4, 2026 (view filing)8:18 PM ET | Aug 3 | 1 day | Shek BernardChief Legal Officer & Secty | SSale | −600 | $1,162.16 | −$697.3K | −1.9%30.9K after | 10b5-1 |
| Sep 2, 2026 (view filing)6:57 PM ET | Sep 1 | 1 day | Shek BernardChief Legal Officer & Secty | SSale | −600 | $1,525.60 | −$915.4K | −2.0%29.9K after | 10b5-1 |
| Sep 8, 2026 (view filing)8:48 PM ET | Sep 8 | Same day | Shek BernardChief Legal Officer & Secty | SSale | −2.31K | $1,767.33 | −$4.08M | −8.4%25.3K after | 10b5-1 |
| Sep 8, 2026 (view filing)8:49 PM ET | Sep 3 | 5 days | Ilkbahar AlperEVP & Chief Technology Officer | SSale | −4.71K | $1,540.58 | −$7.26M | −9.6%44.1K after | 30 lots10b5-1 |
| Sep 8, 2026 (view filing)8:50 PM ET | Sep 3 | 5 days | Ilkbahar AlperEVP & Chief Technology Officer | SSale | −400 | $1,563.89 | −$625.6K | −0.9%43.7K after | 4 lots10b5-1 |
| Sep 16, 2026 (view filing)7:41 PM ET | Sep 14 | 2 days | Goeckeler DavidChairman & CEO | SSale | −33.8K | $1,527.87 | −$51.7M | −7.6%413.4K after | 13 lots10b5-1 |
| Sep 16, 2026 (view filing)7:41 PM ET | Sep 15 | 1 day | Visoso Luis FelipeEVP & CFO | SSale | −1.00K | $1,568.83 | −$1.57M | −0.8%131.0K after | 10b5-1 |
| Sep 21, 2026 (view filing)6:03 PM ET | Sep 17 | 4 days | Goeckeler DavidChairman & CEO | SSale | −33.8K | $1,574.21 | −$53.3M | −8.1%382.9K after | 15 lots10b5-1 |