William Mariner Greenman
Known title: President and CEOCIK: 0001377258
Associated companies
Transaction History
| CERS | ▼ Sell | Open Market | 101,919 | $300K | 6/30/2026 | View on chart |
| CERS | ▲ Buy | Grant | 192,500 | $0 | 6/30/2026 | View on chart |
| CERS | ▼ Sell | Open Market | 447,757 | $742K | 3/12/2026 | View on chart |
| CERS | ▼ Sell | Open Market | 78,187 | $157K | 3/6/2026 | View on chart |
| CERS | ▲ Buy | Grant | 193,270 | $0 | 3/5/2026 | View on chart |
| CERS | ▲ Buy | Grant | 1,200,000 | $0 | 3/2/2026 | View on chart |
| CERS | ▼ Sell | Open Market | 122,827 | $178K | 3/14/2025 | View on chart |
| CERS | ▼ Sell | Open Market | 71,086 | $103K | 3/13/2025 | View on chart |
| CERS | ▼ Sell | Open Market | 60,984 | $91K | 3/7/2025 | View on chart |
| CERS | ▲ Buy | Grant | 165,742 | $0 | 3/6/2025 | View on chart |
| CERS | ▲ Buy | Grant | 975,000 | $0 | 3/6/2025 | View on chart |
| CERS | ▼ Sell | Open Market | 23,023 | $36K | 3/4/2025 | View on chart |
| CERS | ▲ Buy | Option Exercise | 57,637 | — | 3/3/2025 | View on chart |
| CERS | ▼ Sell | Open Market | 63,611 | $128K | 3/14/2024 | View on chart |
| CERS | ▼ Sell | Open Market | 62,315 | $128K | 3/13/2024 | View on chart |
| CERS | ▲ Buy | Option Exercise | 64,666 | — | 3/12/2024 | View on chart |
| CERS | ▲ Buy | Grant | 575,000 | $0 | 3/1/2024 | View on chart |
| CERS | ▼ Sell | Open Market | 37,748 | $106K | 3/13/2023 | View on chart |
| CERS | ▼ Sell | Open Market | 22,732 | $64K | 3/13/2023 | View on chart |
| CERS | ▲ Buy | Option Exercise | 107,525 | — | 3/12/2023 | View on chart |
| CERS | ▲ Buy | Option Exercise | 64,667 | — | 3/12/2023 | View on chart |
| CERS | ▲ Buy | Grant | 575,000 | $0 | 3/1/2023 | View on chart |
| CERS | ▼ Sell | Open Market | 78,043 | $393K | 3/14/2022 | View on chart |
| CERS | ▼ Sell | Open Market | 53,702 | $271K | 3/14/2022 | View on chart |
| CERS | ▼ Sell | Open Market | 33,276 | $168K | 3/14/2022 | View on chart |
| CERS | ▲ Buy | Option Exercise | 64,667 | — | 3/12/2022 | View on chart |
| CERS | ▲ Buy | Option Exercise | 151,666 | — | 3/12/2022 | View on chart |
| CERS | ▲ Buy | Option Exercise | 104,362 | — | 3/12/2022 | View on chart |
| CERS | ▲ Buy | Grant | 217,500 | $0 | 3/1/2022 | View on chart |
| CERS | ▼ Sell | Open Market | 215,263 | $1.2M | 2/25/2022 | View on chart |
| CERS | ▼ Sell | Open Market | 93,000 | $533K | 2/25/2022 | View on chart |
| CERS | ▲ Buy | Option Exercise | 380,000 | $1.4M | 2/25/2022 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 15, 2026
Cerus to Present at 2026 AABB Annual Meeting
Cerus Corporation announced it will host a workshop and present abstracts at the upcoming 2026 AABB Annual Meeting. This event highlights the company's ongoing scientific engagement and clinical data sharing within the blood banking community. The announcement serves as a routine corporate update, providing context for the stock's current trading position near its support levels.
Cerus to Present at 2026 AABB Annual Meeting. Cerus Corporation announced it will host a workshop and present abstracts at the upcoming 2026 AABB Annual Meeting. This event highlights the company's ongoing scientific engagement and clinical data sharing within the blood banking community. The announcement serves as a routine corporate update, providing context for the stock's current trading position near its support levels.