William Mariner Greenman
President and CEO · CERUS CORP
- 2026
- Jul 2, 2026
- 4
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William Mariner Greenman files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Vivek K. Jayaraman - $619K in CERS purchases and sales in the last 12 months
- Chrystal Jensen - $504K in CERS purchases and sales in the last 12 months
- Kevin Dennis Green - $480K in CERS purchases and sales in the last 12 months
- Richard J. Benjamin - $420K in CERS purchases and sales in the last 12 months
- Eric Bjerkholt - $53K in CERS purchases and sales in the last 12 months
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Frequently asked questions
Who is William Mariner Greenman?
William Mariner Greenman is a corporate insider, tracked as President and CEO of CERUS CORP (CERS). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did William Mariner Greenman last file a Form 4?
The most recent primary Form 4 on record is dated 2 July 2026, one of 4 filings going back to 2026.
Has William Mariner Greenman been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($1.20M) across all tracked filings.
