William Mariner Greenman serves as Executive at CERUS CORP, where they oversee executive responsibilities. Since joining the company, William Mariner Greenman has executed 89 insider transactions totaling $5.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Mar 12, 2019 involved exercising options for 71,667 shares valued at $0.
William Mariner Greenman currently holds 3,181,281 shares of CERUS CORP (CERS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William Mariner Greenman has been a net seller of CERS stock. They have purchased $260.0K and sold $5.2M worth of shares.
William Mariner Greenman's most recent insider trade was on Mar 12, 2019, when they sold 71,667 shares at $0.00 per share.
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| $6.48 |
| Discretionary |
| Mar 12, 2019 | CERS | $0 | Option Exercise | 28,125 | $N/A | Discretionary |
| Mar 10, 2019 | CERS | $0 | Option Exercise | 22,500 | $N/A | Discretionary |
| Mar 10, 2019 | CERS | $0 | Option Exercise | 22,500 | $N/A | Discretionary |
| Dec 28, 2018 | CERS | $118.5K | Option Exercise | 150,000 | $0.79 | Discretionary |
| Sep 27, 2018 | CERS | $167.6K | Option Exercise | 40,000 | $4.19 | Discretionary |
| Mar 13, 2018 | CERS | $50.7K | Sale | 10,031 | $5.05 | Discretionary |
| Mar 12, 2018 | CERS | $37.1K | Sale | 7,735 | $4.80 | Discretionary |
| Mar 12, 2018 | CERS | $0 | Option Exercise | 28,125 | $N/A | Discretionary |
| Mar 10, 2018 | CERS | $0 | Option Exercise | 22,500 | $N/A | Discretionary |
| Mar 15, 2017 | CERS | $37.0K | Sale | 8,786 | $4.21 | Discretionary |
| Mar 10, 2017 | CERS | $0 | Option Exercise | 22,500 | $N/A | Discretionary |
| Sep 30, 2016 | CERS | $305.3K | Option Exercise | 55,000 | $5.55 | Discretionary |
| Nov 30, 2015 | ADRO | $92.0K | Sale | 3,000 | $30.65 | Discretionary |
| Apr 20, 2015 | ADRO | $51.0K | Purchase | 3,000 | $17.00 | Discretionary |
| Nov 10, 2014 | CERS | $36.3K | Purchase | 9,300 | $3.90 | Discretionary |
| Nov 10, 2014 | CERS | $9.8K | Purchase | 2,500 | $3.94 | Discretionary |
| Nov 10, 2014 | CERS | $39.5K | Purchase | 10,000 | $3.95 | Discretionary |
| May 5, 2014 | CERS | $106.0K | Option Exercise | 46,500 | $2.28 | Discretionary |
| Mar 26, 2014 | CERS | $176 | Option Exercise | 50 | $3.52 | Discretionary |
| Mar 4, 2014 | CERS | $122.0K | Option Exercise | 53,500 | $2.28 | Discretionary |
| Mar 3, 2014 | CERS | $122.0K | Option Exercise | 53,500 | $2.28 | Discretionary |
| Aug 22, 2013 | CERS | $73.3K | Option Exercise | 17,250 | $4.25 | Discretionary |
| Jan 7, 2013 | CERS | $8.5K | Other | 2,866 | $2.95 | Discretionary |
| Nov 19, 2012 | CERS | $9.7K | Purchase | 3,200 | $3.02 | Discretionary |
| Nov 16, 2012 | CERS | $282 | Purchase | 100 | $2.82 | Discretionary |
| Nov 16, 2012 | CERS | $8.5K | Purchase | 3,000 | $2.83 | Discretionary |
| Nov 16, 2012 | CERS | $11.2K | Purchase | 3,900 | $2.86 | Discretionary |
| Nov 16, 2012 | CERS | $8.5K | Purchase | 3,000 | $2.84 | Discretionary |