William Mariner Greenman, President and CEO at CERUS CORP (CERS), sold 45,459 shares at $6.48 ($273K) on 2019-03-12, disclosed to the SEC on 2019-03-13.
Open-market sale of $273k CERS by President and CEO. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $6.48 | 7,781 | $50K | 18.5% |
| 2 | $5.90 | 10,619 | $63K | 23.0% |
| 3 | $5.90 | 27,059 | $160K | 58.5% |
| Total | $6.00 avg | 45,459 | $273K | 100% |
| Filing → |
| CERS | SELL | 2026-03-09 | $157K | — | Filing → |
| CERS | SELL | 2025-03-17 | $562K | — | Filing → |
| CERS | SELL | 2025-03-10 | $91K | — | Filing → |