William Mariner Greenman, the President and CEO of $CERS, sold 23,023 shares of the company on 03-04-2025 for an estimated $35,651. We received data on the trade from a recent SEC filing. This was a sale of approximately 0.7% of their shares of this class of stock. Following this trade, they now own 3,230,000 shares of this class of $CERS stock.
$CERS Insider Trading Activity
$CERS insiders have traded $CERS stock on the open market 8 times in the past 6 months. Of those trades, 1 have been purchases and 7 have been sales.
Here’s a breakdown of recent trading of $CERS stock by insiders over the last 6 months:
- KEVIN DENNIS GREEN (Chief Financial Officer) has made 0 purchases and 2 sales selling 69,042 shares for an estimated $108,658.
- RICHARD J BENJAMIN (Chief Medical Officer) has made 0 purchases and 2 sales selling 57,546 shares for an estimated $90,570.
- ERIC BJERKHOLT sold 20,000 shares for an estimated $35,700
- WILLIAM MARINER GREENMAN (President and CEO) sold 23,023 shares for an estimated $35,651
- CHRYSTAL JENSEN (Chief Legal Officer) sold 16,667 shares for an estimated $28,500
- DEAN A. GREGORY purchased 1,725 shares for an estimated $2,932
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$CERS Hedge Fund Activity
We have seen 75 institutional investors add shares of $CERS stock to their portfolio, and 56 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- PRIMECAP MANAGEMENT CO/CA/ removed 6,999,700 shares (-81.9%) from their portfolio in Q4 2024, for an estimated $10,779,538
- ARK INVESTMENT MANAGEMENT LLC added 2,589,721 shares (+14.2%) to their portfolio in Q4 2024, for an estimated $3,988,170
- BANK OF AMERICA CORP /DE/ removed 2,238,388 shares (-94.7%) from their portfolio in Q4 2024, for an estimated $3,447,117
- HOOD RIVER CAPITAL MANAGEMENT LLC removed 1,469,754 shares (-100.0%) from their portfolio in Q3 2024, for an estimated $2,557,371
- UBS GROUP AG added 1,066,666 shares (+440.2%) to their portfolio in Q4 2024, for an estimated $1,642,665
- WASATCH ADVISORS LP added 994,007 shares (+13.6%) to their portfolio in Q4 2024, for an estimated $1,530,770
- MILLENNIUM MANAGEMENT LLC added 986,286 shares (+52.1%) to their portfolio in Q4 2024, for an estimated $1,518,880
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
