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Greenman William Mariner

In the past year, 3 open-market sale filings worth $1.20M and no purchases.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
$1.20M
3 filings
Net
−$1.20M
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Greenman William Mariner as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

CERS Cerus Corp

President and CEO10 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 2, 2026 (view filing)7:13 PM ETJun 302 daysGreenman William MarinerPresident and CEOSSale−101.9K$2.94−$299.9K−2.0%5.05M after10b5-1
Mar 16, 2026 (view filing)Mar 124 daysGreenman William MarinerPresident and CEOSSale−447.8K$1.66−$743.3K−8.2%5.00M after10b5-1
Mar 9, 2026 (view filing)Mar 63 daysGreenman William MarinerPresident and CEOSSale−78.2K$2.01−$157.2K−1.4%5.45M after10b5-1
Mar 17, 2025 (view filing)Mar 13-144 daysGreenman William MarinerPresident and CEOSSale−193.9K$1.45−$281.2K−4.5%4.12M after2 lots10b5-1
Mar 10, 2025 (view filing)Mar 73 daysGreenman William MarinerPresident and CEOSSale−61.0K$1.50−$91.5K−1.4%4.31M after10b5-1
Mar 5, 2025 (view filing)Mar 41 dayGreenman William MarinerPresident and CEOSSale−23.0K$1.55−$35.7K−0.7%3.23M after10b5-1
Mar 14, 2024 (view filing)Mar 13-141 dayGreenman William MarinerPresident and CEOSSale−125.9K$2.04−$256.9K−3.8%3.18M after2 lots
Mar 14, 2023 (view filing)Mar 131 dayGreenman William MarinerPresident and CEOSSale−60.5K$2.80−$169.3K−2.2%2.66M after2 lots
Mar 15, 2022 (view filing)Mar 141 dayGreenman William MarinerPresident and CEOSSale−165.0K$5.04−$831.7K−7.7%1.97M after3 lots
Mar 1, 2022 (view filing)Feb 254 daysGreenman William MarinerPresident and CEOSSale−308.3K$5.70−$1.76M−16.2%1.59M after2 lots

KDNY Chinook Therapeutics, Inc.

Director1 trade

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
May 31, 2023 (view filing)May 301 dayGreenman William MarinerDirectorSSale−1.16K$23.30−$26.9K−4.7%23.6K after