in_sp500,run,form_type,mentions,projects_touched,filings,issuers False,october,10-K,64798,34658,15784,1857 False,october,10-Q,117224,45274,40745,1954 False,october,8-K,55676,34420,45937,1964 True,backfilled_june,10-K,15787,8697,4193,481 True,backfilled_june,10-Q,5817,2071,2028,84 True,backfilled_june,8-K,18326,10023,15234,495 True,october,10-K,910,649,222,97 True,october,10-Q,28963,11030,10684,455 True,october,8-K,564,432,477,203