Greenman William Mariner
SEC CIK 1377258 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| CERS | CERUS CORP | Pres, CEO, Dir | 5.15M | — | $4.62M | 23 | 2021-08-03 | 2026-06-30 |
Most active insiders at CERS, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Greenman William Mariner | Pres, CEO, Dir | — | $1.20M |
| 2 | Benjamin Richard J | Chief Medical Off | — | $670.6K |
| 3 | Jayaraman Vivek K | COO | — | $620.1K |
| 4 | Green Kevin Dennis | CFO | — | $480.5K |
| 5 | Jensen Chrystal | CLO | — | $316.6K |
| 6 | BJERKHOLT ERIC | Dir | — | $53.2K |
| 7 | Gregory Dean A. | Dir | — | — |
| 8 | Shan Hua | Dir | — | — |
| 9 | Lucena Ann | Dir | — | — |
| 10 | Witney Frank | Dir | — | — |
Transactions 23
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-07-02 19:13 | 2026-06-30 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | A - Grant | $0.00 | -192.5K | 5.15M | -4% | $0 |
| T | 2026-07-02 19:13 | 2026-06-30 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | S - Sale | $2.94 | -101.9K | 5.05M | -2% | -$299.9K |
| T | 2026-03-16 | 2026-03-12 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | S - Sale | $1.66 | -447.8K | 5.00M | -8% | -$743.3K |
| T | 2026-03-09 | 2026-03-06 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | S - Sale | $2.01 | -78.2K | 5.45M | -1% | -$157.2K |
| T | 2026-03-09 | 2026-03-05 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | A - Grant | $0.00 | +193.3K | 5.52M | +4% | $0 |
| T | 2026-03-04 | 2026-03-02 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | A - Grant | $0.00 | +1.20M | 5.33M | +29% | $0 |
| MT | 2025-03-17 | 2025-03-13+ | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | S - Sale | $1.45 | -193.9K | 4.24M | -4% | -$281.2K |
| MT | 2025-03-10 | 2025-03-06 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | A - Grant | $0.00 | +1.14M | 4.21M | +37% | $0 |
| T | 2025-03-10 | 2025-03-07 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | S - Sale | $1.50 | -61.0K | 4.31M | -1% | -$91.5K |
| DT | 2025-03-05 | 2025-03-04 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | S - Sale+OE | $1.55 | -23.0K | 3.23M | -0.7% | -$35.7K |
| DT | 2025-03-05 | 2025-03-03 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | M - OptEx | — | +57.6K | 3.25M | +2% | — |
| D | 2024-03-14 | 2024-03-12 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | M - OptEx | — | +64.7K | 3.31M | +2% | — |
| DM | 2024-03-14 | 2024-03-13+ | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | S - Sale+OE | $2.04 | -125.9K | 3.18M | -4% | -$256.9K |
| 2024-03-05 | 2024-03-01 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | A - Grant | $0.00 | +575.0K | 3.24M | +22% | $0 | |
| DM | 2023-03-14 | 2023-03-12 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | M - OptEx | — | +172.2K | 2.68M | +7% | — |
| DM | 2023-03-14 | 2023-03-13 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | S - Sale+OE | $2.80 | -60.5K | 2.62M | -2% | -$169.3K |
| 2023-03-03 | 2023-03-01 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | A - Grant | $0.00 | +575.0K | 2.55M | +29% | $0 | |
| DM | 2022-03-15 | 2022-03-12 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | M - OptEx | — | +320.7K | 1.99M | +19% | — |
| DM | 2022-03-15 | 2022-03-14 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | S - Sale+OE | $5.04 | -165.0K | 1.89M | -8% | -$831.7K |
| DM | 2022-03-01 | 2022-02-25 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | S - Sale+OE | $5.70 | -308.3K | 1.69M | -15% | -$1.76M |
| D | 2022-03-01 | 2022-03-01 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | A - Grant | $0.00 | +217.5K | 1.81M | +14% | $0 |
| D | 2022-03-01 | 2022-02-25 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | M - OptEx | $3.75 | +380.0K | 1.90M | +25% | +$1.43M |
| D | 2021-08-05 | 2021-08-03 | CERS | CERUS CORP | Greenman William Mariner | Pres, CEO, Dir | M - OptEx | $2.08 | +100.0K | 1.52M | +7% | +$208.0K |
Purchase Sale Sale after option exercise All abbreviations