#bid.offer__tender  a formal proposal to buy at a specified price
  supertype:  offer__offering  something offered (as a proposal or bid); "noteworthy new offerings for investors included several index funds"
  subtype:  overbid  a bid that is higher than preceding bids
  subtype:  buyout_bid  a bid to buy all of a person's holdings

No statement uses or specializes bid.offer; click here to add one.