system datesEnclosingMonthOf: Core.Date today do: [:startDate :endDate | query := Query returningManyOf: Stock where: [:stk | stk insiderTrades anySatisfy: [:trade | trade date >= startDate AND: trade date < endDate AND: trade transactionType ='P' AND: trade highRanking = 'T']]. query retrieve: [:stk | stk countStar]. system session execute: query]