William Mariner Greenman
CIK: 0001377258
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
CERUS CORP
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- Jun 30, 2026CERS
CERUS CORP
Award(A)Direct192.5K shares- - Jun 30, 2026CERS
CERUS CORP
Sale(S)Direct101.9K shares at avg. $2.94$300K - Mar 12, 2026CERS
CERUS CORP
Sale(S)Direct447.8K shares at avg. $1.66$742K - Mar 6, 2026CERS
CERUS CORP
Sale(S)Direct78.2K shares at avg. $2.01$157K - Mar 5, 2026CERS
CERUS CORP
Award(A)Direct193.3K shares- - Mar 2, 2026CERS
CERUS CORP
Award(A)Direct1.2M shares- - Mar 14, 2025CERS
CERUS CORP
Sale(S)Direct122.8K shares at avg. $1.45$178K - Mar 13, 2025CERS
CERUS CORP
Sale(S)Direct71.1K shares at avg. $1.45$103K - Mar 7, 2025CERS
CERUS CORP
Sale(S)Direct61K shares at avg. $1.50$91K - Mar 6, 2025CERS
CERUS CORP
Award(A)Direct165.7K shares- - Mar 6, 2025CERS
CERUS CORP
Award(A)Direct975K shares- - Mar 4, 2025CERS
CERUS CORP
Sale(S)Direct23K shares at avg. $1.55$36K - Mar 3, 2025CERS
CERUS CORP
Exercise(M)Direct57.6K shares- - Feb 26, 2025CERS
CERUS CORP
Award(A)DirectRestricted Stock Unit
57.6K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 30, 2026 | CERS CERUS CORP | Award(A) | 192,500 | - | $0 | Direct |
| Jun 30, 2026 | CERS CERUS CORP | Sale(S) | 101,919 | $2.94 | $299,937 | Direct |
| Mar 12, 2026 | CERS CERUS CORP | Sale(S) | 447,757 | $1.66 | $742,023 | Direct |
| Mar 6, 2026 | CERS CERUS CORP | Sale(S) | 78,187 | $2.01 | $156,804 | Direct |
| Mar 5, 2026 | CERS CERUS CORP | Award(A) | 193,270 | - | $0 | Direct |
| Mar 2, 2026 | CERS CERUS CORP | Award(A) | 1,200,000 | - | $0 | Direct |
| Mar 14, 2025 | CERS CERUS CORP | Sale(S) | 122,827 | $1.45 | $178,099 | Direct |
| Mar 13, 2025 | CERS CERUS CORP | Sale(S) | 71,086 | $1.45 | $103,075 | Direct |
| Mar 7, 2025 | CERS CERUS CORP | Sale(S) | 60,984 | $1.50 | $91,354 | Direct |
| Mar 6, 2025 | CERS CERUS CORP | Award(A) | 165,742 | - | - | Direct |
| Mar 6, 2025 | CERS CERUS CORP | Award(A) | 975,000 | - | - | Direct |
| Mar 4, 2025 | CERS CERUS CORP | Sale(S) | 23,023 | $1.55 | $35,651 | Direct |
| Mar 3, 2025 | CERS CERUS CORP | Exercise(M) | 57,637 | - | - | Direct |
| Feb 26, 2025 | CERS CERUS CORP | Award(A) Restricted Stock Unit | 57,637 | - | - | Direct |
1-14 of 14 transactions
About Greenman William Mariner
Greenman William Mariner (SEC CIK 0001377258) files insider reports with the SEC as President and CEO of CERUS CORP (CERS).
Signal8 holds 8 ownership filings by Greenman William Mariner, all Form 4s, filed between Feb 28, 2025 and Jul 2, 2026. Those filings report 14 transactions, from Feb 26, 2025 to Jun 30, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Greenman William Mariner's filings is in CONCORD, CA.
Recent filings by Greenman William Mariner
- Jun 30, 2026: Grant or award of CERS shares (Form 4, code A).
- Jun 30, 2026: Open-market sale of CERS shares (Form 4, code S).
- Mar 12, 2026: Open-market sale of CERS shares (Form 4, code S).
- Mar 6, 2026: Open-market sale of CERS shares (Form 4, code S).
- Mar 5, 2026: Grant or award of CERS shares (Form 4, code A).
Other insiders filing for CERUS CORP (CERS)
- Jensen Chrystal, Chief Legal Officer
- Jayaraman Vivek K, Chief Operating Officer
- Green Kevin Dennis, Chief Financial Officer
- BJERKHOLT ERIC, Director
- Lucena Ann, Director
- NACHTSHEIM JAMI K, Director