Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
William Mariner Greenman currently holds 4,998,493 shares of CERUS CORP (CERS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William Mariner Greenman has been a net seller of CERS stock. They have purchased $260.0K and sold $6.1M worth of shares.
William Mariner Greenman's most recent insider trade was on Mar 12, 2026, when they sold 447,757 shares at $1.66 per share.
William Mariner Greenman serves as Executive at CERUS CORP (CERS). They have executed 94 insider transactions totaling $6.3M over their tenure at the company.
William Mariner Greenman holds the position of Executive at CERUS CORP, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 19 years and currently hold a stake valued at $0.
William Mariner Greenman has shown a selling trading pattern, with $260.0K in total purchases and $6.1M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by William Mariner Greenman was on Apr 16, 2021, when they sold $1.5M worth of CERS shares. This transaction involved 233,859 shares at $6.35 per share.
William Mariner Greenman currently owns 4,998,493 shares of CERUS CORP (CERS), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of William Mariner Greenman's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. William Mariner Greenman has 94 Form 4 filings on record as an insider at CERUS CORP.
Set alerts for William Mariner Greenman and 40,000+ other insiders.