Sat, Feb 28, 2026
Feb 28
8,532 shares @ $1.76
Increased holdings by +13.60%
70th largest trade (out of 136)
Cluster BuyPositive 90D History
Trade made by a director
Part of a cluster of 4 transactions by 4 insiders
Unscheduled trade
80% win rate · +17.3% median edge vs SPY (70 trades, 90-day)
Recent insider activity at QRHC
Mar 19Hampstead Park Environmental Services Investment Fund LLCBought$7.39kMar 19Hampstead Park Capital Management, LLCBought$7.39kMar 19FRIEDBERG DANIEL M.Bought$7.39kMar 18Lipstein Robert JBought$9.86kMar 16Culpepper GlennBought$5.80kDec 23Culpepper GlennBought$9.80kOct 27KITT BARRY MBought$85.54kOct 24KITT BARRY MBought$44.48k