Updated Jul 16, 2026
Greenman William Mariner has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.20M.
William Mariner Greenman is associated with CERUS Corporation, a company focused on blood safety and pathogen reduction technologies. Specific details about his role and contributions to the company are limited in publicly available sources.
| Role | Insider |
|---|---|
| Notability | 10/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-02 | CERS | CERUS CORP | S — Open-market sale | 101.9K | $2.94 | $300K |
| 2026-07-02 | CERS | CERUS CORP | A — Grant or award | 192.5K | $0.00 | |
| 2026-03-16 | CERS | CERUS CORP | S — Open-market sale [10b5-1] | 447.8K | $1.66 | $742K |
| 2026-03-10 | CERS | CERUS CORP | S — Open-market sale [10b5-1] | 78.2K | $2.01 | $157K |
| 2026-03-10 | CERS | CERUS CORP | A — Grant or award [10b5-1] | 193.3K | $0.00 | |
| 2026-03-05 | CERS | CERUS CORP | A — Grant or award | 1.20M | $0.00 |
William Mariner Greenman is associated with CERUS Corporation, a company focused on blood safety and pathogen reduction technologies. Specific details about his role and contributions to the company are limited in publicly available sources.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 3 open-market sales ($1.20M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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