Partners Ii Co Investment Partnership Lp Spo, 10% Owner at CALPINE CORP (CPN), bought 580,000 shares at $11.53 ($6.7M) on 2008-10-27, disclosed to the SEC on 2008-10-28.
Open-market purchase of $6.7M CPN by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Negative factors outweigh the positive ones.
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