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 |
|---|---|---|---|---|---|---|---|---|
| SRZN | Column Group Iii Gp, Lp | 10% Owner | 10/20/2026 | Optionsausübung | 11.60 | 517,241 | 5,999,996 | Form 4 |
| SRZN | Column Group Iii Gp, Lp | 10% Owner | 10/20/2026 | Optionsausübung | 11.60 | 548,653 | 6,364,375 | Form 4 |
| SRZN | Column Group Iii Gp, Lp | 10% Owner | 10/20/2026 | Optionsausübung | 11.60 | 485,830 | 5,635,628 | Form 4 |
| SRZN | Kutzkey Tim | Director | 10/20/2026 | Optionsausübung | 11.60 | 517,241 | 5,999,996 | Form 4 |
| SRZN | Kutzkey Tim | Director | 10/20/2026 | Optionsausübung | 11.60 | 548,653 | 6,364,375 | Form 4 |
| SRZN | Kutzkey Tim | Director | 10/20/2026 | Optionsausübung | 11.60 | 485,830 | 5,635,628 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).