Greenman William Mariner

CIK: 0001377258President and CEO
OfficerDirector
Primary company: CERUS CORP (CERS)

Greenman William Mariner is a corporate insider (President and CEO) at CERUS CORP (CERS) filing SEC Form 4 transactions. 189 transactions across 2 companies, totaling $259,900 in purchases and $5,597,423 in sales. Source: SEC EDGAR.

Total Transactions
189
Total Buy Value
$260K
Total Sell Value
$5.60M
Net Activity
$-5.34M
Last Transaction
Jul 2026
Companies
2

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Sale
Shares
101,919
Price
$2.94
Value
$300K
Type
Award
Shares
192,500
Price
-
Value
-
Type
Sale
Shares
447,757
Price
$1.66
Value
$742K
Type
Sale
Shares
78,187
Price
$2.01
Value
$157K
Type
Award
Shares
193,270
Price
-
Value
-
Type
Sale
Shares
122,827
Price
$1.45
Value
$178K
Type
Sale
Shares
71,086
Price
$1.45
Value
$103K
Type
Sale
Shares
60,984
Price
$1.50
Value
$91K
Type
Award
Shares
165,742
Price
-
Value
-
Type
Award
Shares
975,000
Price
-
Value
-
Type
Sale
Shares
23,023
Price
$1.55
Value
$36K
Type
Exercise
Shares
57,637
Price
-
Value
-
Type
Exercise
Shares
57,637
Price
-
Value
-
Type
Award
Shares
57,637
Price
-
Value
-
Type
Sale
Shares
63,611
Price
$2.02
Value
$128K
Type
Sale
Shares
62,315
Price
$2.06
Value
$128K
Type
Exercise
Shares
64,666
Price
-
Value
-
Type
Exercise
Shares
64,666
Price
-
Value
-
Type
Award
Shares
575,000
Price
-
Value
-
CHINOOK THERAPEUTICS, INC.
KDNY
Type
Disposition
Shares
13,300
Price
$26.12
Value
$347K