William Mariner Greenman, President and CEO at CERUS CORP (CERS), sold 27,797 shares at $5.05 ($138K) on 2018-03-13, disclosed to the SEC on 2018-03-13.
Open-market sale of $138k 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 | $4.80 | 7,735 | $37K | 26.8% |
| 2 | $5.05 | 10,031 | $51K | 36.6% |
| 3 | $5.05 | 10,031 | $51K | 36.6% |
| Total | $4.98 avg | 27,797 | $138K | 100% |
| Filing → |
| CERS | SELL | 2026-03-09 | $157K | — | Filing → |
| CERS | SELL | 2025-03-17 | $562K | — | Filing → |
| CERS | SELL | 2025-03-10 | $91K | — | Filing → |