Sandrock Alfred
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to Sandrock Alfred. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| BIIB | Grp SVP, Chief Medical Officer | Option Exercise | 9,820 | $49.65 | $487,563 | Sep 16, 2013 |