Sandisk Corporation (SNDK) Insider Trading
Over the last 3 months, SNDK insiders made 0 open-market buys and 3 sales, a net sale of -$3.0M (SEC Form 4). Over the last 6 months, 870 institutions increased and 746 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$3.0M
Insider trades by month Buys Sells
Dec
Feb
May
Jun
Jul
Aug
Context3-month price -12.5%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 27, 2026 | Shek Bernardofficer: Chief Legal Officer & Secty | Tax | 212 | $1480.77 |
| Aug 27, 2026 | Goeckeler Daviddirector, officer: Chairman and CEO | Tax | 49,782 | $1480.77 |
| Aug 27, 2026 | Ilkbahar Alperofficer: EVP, Chief Technology Officer | Tax | 654 | $1480.77 |
| Aug 24, 2026 | Shek Bernardofficer: Chief Legal Officer & Secty | Tax | 108 | $1596.08 |
| Aug 24, 2026 | Ilkbahar Alperofficer: EVP, Chief Technology Officer | Tax | 276 | $1600.62 |
| Aug 24, 2026 | Ilkbahar Alperofficer: EVP, Chief Technology Officer | Tax | 320 | $1596.08 |
| Aug 24, 2026 | Visoso Luis Felipeofficer: EVP & CFO | Tax | 1,589 | $1596.08 |
| Aug 24, 2026 | Goeckeler Daviddirector, officer: Chairman and CEO | Tax | 1,300 | $1600.62 |
| Aug 24, 2026 | Ilkbahar Alperofficer: EVP, Chief Technology Officer | Option | 276 | — |
| Aug 24, 2026 | Goeckeler Daviddirector, officer: Chairman and CEO | Tax | 1,033 | $1596.08 |
| Aug 24, 2026 | Shek Bernardofficer: Chief Legal Officer & Secty | Tax | 111 | $1600.62 |
| Aug 24, 2026 | Ilkbahar Alperofficer: EVP, Chief Technology Officer | Tax | 163 | $1600.62 |
| Aug 24, 2026 | Visoso Luis Felipeofficer: EVP & CFO | Tax | 25,655 | $1600.62 |
| Aug 4, 2026 | Shek Bernardofficer: Chief Legal Officer & Secty | Sell | 600 | $1162.16 |
| Jul 2, 2026 | Shek Bernardofficer: Chief Legal Officer & Secty | Sell | 600 | $2088.00 |
| Jun 22, 2026 | Shek Bernardofficer: Chief Legal Officer & Secty | Tax | 117 | $2184.75 |
| Jun 5, 2026 | Shek Bernardofficer: Chief Legal Officer & Secty | Sell | 600 | $1736.00 |
| Jun 2, 2026 | Ilkbahar Alperofficer: EVP, Chief Technology Officer | Sell | 600 | $1758.40 |
| Jun 2, 2026 | Ilkbahar Alperofficer: EVP, Chief Technology Officer | Sell | 999 | $1755.31 |
| Jun 2, 2026 | Ilkbahar Alperofficer: EVP, Chief Technology Officer | Sell | 401 | $1757.00 |
| May 27, 2026 | Goeckeler Daviddirector, officer: Chairman and CEO | Tax | 1,569 | $1478.69 |
| May 27, 2026 | Shek Bernardofficer: Chief Legal Officer & Secty | Tax | 211 | $1478.69 |
| May 27, 2026 | Ilkbahar Alperofficer: EVP, Chief Technology Officer | Tax | 653 | $1478.69 |
| May 22, 2026 | Shek Bernardofficer: Chief Legal Officer & Secty | Tax | 109 | $1392.56 |
| May 22, 2026 | Visoso Luis Felipeofficer: EVP and Chief Financial Office | Tax | 1,588 | $1542.24 |
| May 22, 2026 | Goeckeler Daviddirector, officer: Chairman and CEO | Tax | 1,299 | $1392.56 |
| May 22, 2026 | Goeckeler Daviddirector, officer: Chairman and CEO | Tax | 1,032 | $1542.24 |
| May 22, 2026 | Shek Bernardofficer: Chief Legal Officer & Secty | Tax | 107 | $1542.24 |
| May 22, 2026 | Ilkbahar Alperofficer: EVP, Chief Technology Officer | Tax | 162 | $1392.56 |
| May 22, 2026 | Ilkbahar Alperofficer: EVP, Chief Technology Officer | Tax | 319 | $1542.24 |
Source: SNDK SEC Form 4 filings, latest Aug 27, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SNDK positions over the last 6 months (SEC Form 13F).
Increased
870
New positions
1266
Reduced
746
Sold out
96
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 17.8M | Aug 14, 2026 |
| FMR LLC | Reduced | 13.4M | May 15, 2026 |
| JANE STREET GROUP, LLC | Increased | 11.1M | Aug 14, 2026 |
| BLACKROCK, INC. | Increased | 10.4M | May 13, 2026 |
| BlackRock, Inc. | Reduced | 10.3M | Aug 7, 2026 |
| CITADEL ADVISORS LLC | Increased | 9.8M | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 9.7M | Aug 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 9.6M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 9.5M | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 8.7M | Aug 14, 2026 |
| FMR LLC | Reduced | 7.9M | Aug 13, 2026 |
| JANE STREET GROUP, LLC | Increased | 7.5M | May 12, 2026 |
| CITADEL ADVISORS LLC | Increased | 6.6M | May 15, 2026 |
| STATE STREET CORP | Increased | 5.9M | Aug 7, 2026 |
| Invesco Ltd. | Increased | 5.6M | Aug 14, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.