Jeffery S Sylvester, the Senior VP & COO of $CPK, sold 1,000 shares of the company on 11-20-2025 for an estimated $137,079. We received data on the trade from a recent SEC filing. This was a sale of approximately 7.7% of their shares of this class of stock. Following this trade, they now own 11,916 shares of this class of $CPK stock.
$CPK Insider Trading Activity
$CPK insiders have traded $CPK stock on the open market 3 times in the past 6 months. Of those trades, 0 have been purchases and 3 have been sales.
Here’s a breakdown of recent trading of $CPK stock by insiders over the last 6 months:
- BETH W COOPER (Executive VP & CFO) has made 0 purchases and 2 sales selling 5,000 shares for an estimated $660,730.
- JEFFERY S SYLVESTER (Senior VP & COO) sold 1,000 shares for an estimated $137,079
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$CPK Hedge Fund Activity
We have seen 150 institutional investors add shares of $CPK stock to their portfolio, and 176 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ALLIANCEBERNSTEIN L.P. added 456,497 shares (+831.0%) to their portfolio in Q3 2025, for an estimated $61,485,580
- WELLINGTON MANAGEMENT GROUP LLP added 205,742 shares (+27.6%) to their portfolio in Q3 2025, for an estimated $27,711,389
- ADAGE CAPITAL PARTNERS GP, L.L.C. removed 150,000 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $20,203,500
- MERCER GLOBAL ADVISORS INC /ADV added 145,551 shares (+inf%) to their portfolio in Q3 2025, for an estimated $19,604,264
- NEUBERGER BERMAN GROUP LLC added 141,045 shares (+14.6%) to their portfolio in Q3 2025, for an estimated $18,997,351
- TRIBUTARY CAPITAL MANAGEMENT, LLC added 130,071 shares (+92.5%) to their portfolio in Q3 2025, for an estimated $17,519,262
- CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC added 122,258 shares (+1395.0%) to their portfolio in Q3 2025, for an estimated $16,466,930
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.
