Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| SNDK | Ilkbahar Alper | EVP, Chief Technology Officer | 08/20/2026 | Steuer-Abgabe | 1,600.62 | 163 | 260,901 | Form 4 |
| SNDK | Ilkbahar Alper | EVP, Chief Technology Officer | 08/20/2026 | Steuer-Abgabe | 1,600.62 | 276 | 441,771 | Form 4 |
| SNDK | Ilkbahar Alper | EVP, Chief Technology Officer | 08/20/2026 | Optionsausübung | — | 276 | — | Form 4 |
| SNDK | Visoso Luis Felipe | EVP & CFO | 08/20/2026 | Steuer-Abgabe | 1,600.62 | 25,655 | 41,063,906 | Form 4 |
| SNDK | Goeckeler David | Chairman and CEO | 08/20/2026 | Steuer-Abgabe | 1,600.62 | 1,300 | 2,080,806 | Form 4 |
| SNDK | Shek Bernard | Chief Legal Officer & Secty | 08/20/2026 | Steuer-Abgabe | 1,600.62 | 111 | 177,669 | Form 4 |
| SNDK | Shek Bernard | Chief Legal Officer & Secty | 08/03/2026 | Verkauf | 1,162.16 | 600 | 697,296 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).