OK, here are the FINAL stats on how much of the Profiles in History Star Trek portion of Auction # 40 was accounted for by members of the Star Trek Prop, Costume & Auction Forum.
35 different members won lots
54.2% of all sold lots, not counting the 15 that were passed
51.4% of all lots (150 of 292)
42.7% of the total money spent ($222,650 of $521,025) (premiums/tax not included)
Thanks again to Rik for compiling these stats!