#stock_purchase_plan  an organized plan for employees of a company to buy shares of its stock
  supertype:  plan__program__programme  a series of steps to be carried out or goals to be accomplished; "they drew up a six-step plan"; "they discussed plans for a new bond issue"
  subtype:  employee_stock_ownership_plan__ESOP  a program under which employees regularly accumulate shares and may ultimately assume control of the company

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