Greenman William Mariner
President and CEO
Greenman William Mariner has filed 4 SEC Form 4 filings (6 transaction rows) across 1 company, with disclosures dating back to 2026. 4 of those filings fall inside the rolling window. Most recent filing: Jul 2, 2026.
On the most recent filing, Greenman William Mariner is listed as President and CEO at CERUS CORP. Inside the rolling window, Greenman William Mariner reported no open-market purchases and 3 open-market sales totaling $1.2M in CERS. The largest disclosed transaction in the window is a sale of 447,757 CERS shares on Mar 12, 2026, worth $742K.
Companies traded
Other insiders at CERS
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.2M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Greenman William Mariner made?
Greenman William Mariner has filed 4 SEC Form 4 filings (6 transaction rows) across 1 company since 2026.
Which companies does Greenman William Mariner trade?
Greenman William Mariner has filed SEC Form 4 disclosures for 1 company, including CERS.
When was Greenman William Mariner's most recent SEC Form 4 filing?
Greenman William Mariner's most recent SEC Form 4 filing on Tracefour is dated Jul 2, 2026.
What is Greenman William Mariner's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Greenman William Mariner is listed as President and CEO.
What is Greenman William Mariner's total buy and sell value in the current window?
Inside the rolling retention window, Greenman William Mariner bought $0 and sold $1.2M based on SEC Form 4 filings.
What was Greenman William Mariner's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 447,757 CERS shares on 2026-03-12, worth $742K, per SEC Form 4 filings.