L Michael Richter

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
CBOE	$105.10	1,236	$129,903.60	22,171	2021-03-08	Filing
CBOE	$120.50	2,600	$313,300.00	21,925	2019-08-15	Filing
BATS	$19.00	181,535	$3,449,165.00	545,965	2016-04-20	Filing