Neil Lerner, the CHIEF ACCOUNTING OFFICER of $CMPX, bought 20,000 shares of the company on 04-07-2025 for an estimated $28,400. This trade was reported by Quiver Quantitative using data from a recent SEC filing. This increased their holdings of this class of stock by approximately 6.7%. Following this trade, they now own 320,000 shares of this class of $CMPX stock.
$CMPX Insider Trading Activity
$CMPX insiders have traded $CMPX stock on the open market 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $CMPX stock by insiders over the last 6 months:
- NEIL LERNER (CHIEF ACCOUNTING OFFICER) purchased 20,000 shares for an estimated $28,400
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$CMPX Hedge Fund Activity
We have seen 51 institutional investors add shares of $CMPX stock to their portfolio, and 23 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ADAGE CAPITAL PARTNERS GP, L.L.C. removed 5,135,190 shares (-46.1%) from their portfolio in Q4 2024, for an estimated $7,446,025
- TANG CAPITAL MANAGEMENT LLC added 4,087,005 shares (+225.4%) to their portfolio in Q4 2024, for an estimated $5,926,157
- MPM BIOIMPACT LLC added 2,926,002 shares (+51.9%) to their portfolio in Q4 2024, for an estimated $4,242,702
- JANUS HENDERSON GROUP PLC removed 1,843,286 shares (-100.0%) from their portfolio in Q4 2024, for an estimated $2,672,764
- VANGUARD GROUP INC added 435,008 shares (+10.2%) to their portfolio in Q4 2024, for an estimated $630,761
- SG AMERICAS SECURITIES, LLC added 356,352 shares (+921.6%) to their portfolio in Q4 2024, for an estimated $516,710
- JPMORGAN CHASE & CO added 227,864 shares (+512.5%) to their portfolio in Q4 2024, for an estimated $330,402
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.
