Greenman William Mariner
SEC insider (Form 3/4/5 filer). CIK 0001377258. President and CEO at CERUS CORP (CERS). 14 reported Form 4/5 transactions since Sep 2024; latest on Jun 30, 2026. Located in CONCORD, CA.
Companies Greenman William Mariner has filed insider reports for
- CERUS CORP (CERS): Director, Officer, President and CEO
Greenman William Mariner
CIK: 0001377258
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)7 (50.0%)
Position reduction
Option Exercises (M)1 (7.1%)
Derivative conversions
Awards (A)6 (42.9%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
CERS
CERUS CORP
DirectorOfficer
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- Jun 30, 2026CERS
CERUS CORP
AwardDirect192.5K shares- - Jun 30, 2026CERS
CERUS CORP
SaleDirect101.9K shares at avg. $2.94$300K - Mar 12, 2026CERS
CERUS CORP
SaleDirect447.8K shares at avg. $1.66$742K - Mar 6, 2026CERS
CERUS CORP
SaleDirect78.2K shares at avg. $2.01$157K - Mar 5, 2026CERS
CERUS CORP
AwardDirect193.3K shares- - Mar 2, 2026CERS
CERUS CORP
AwardDirect1.2M shares- - Mar 14, 2025CERS
CERUS CORP
SaleDirect122.8K shares at avg. $1.45$178K - Mar 13, 2025CERS
CERUS CORP
SaleDirect71.1K shares at avg. $1.45$103K - Mar 7, 2025CERS
CERUS CORP
SaleDirect61K shares at avg. $1.50$91K - Mar 6, 2025CERS
CERUS CORP
AwardDirect165.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 30, 2026 | CERS CERUS CORP | Award | 192,500 | - | $0 | Direct |
| Jun 30, 2026 | CERS CERUS CORP | Sale | 101,919 | $2.94 | $299,937 | Direct |
| Mar 12, 2026 | CERS CERUS CORP | Sale | 447,757 | $1.66 | $742,023 | Direct |
| Mar 6, 2026 | CERS CERUS CORP | Sale | 78,187 | $2.01 | $156,804 | Direct |
| Mar 5, 2026 | CERS CERUS CORP | Award | 193,270 | - | $0 | Direct |
| Mar 2, 2026 | CERS CERUS CORP | Award | 1,200,000 | - | $0 | Direct |
| Mar 14, 2025 | CERS CERUS CORP | Sale | 122,827 | $1.45 | $178,099 | Direct |
| Mar 13, 2025 | CERS CERUS CORP | Sale | 71,086 | $1.45 | $103,075 | Direct |
| Mar 7, 2025 | CERS CERUS CORP | Sale | 60,984 | $1.50 | $91,354 | Direct |
| Mar 6, 2025 | CERS CERUS CORP | Award | 165,742 | - | - | Direct |
1-10 of 14 transactions