Mark S Hemsley

Insider

First SEC filing: Dec. 17, 2019 · Latest: Dec. 17, 2019

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Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 30 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

30 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 15, 2019	CBOE	F	930	$115.50	$107,415	84,046 Direct	-1.09%	Disposed	165.3% (price as of 2026-08-25)
Dec. 1, 2019	CBOE	F	2,709	$118.90	$322,100	84,976 Direct	-3.09%	Disposed	157.7% (price as of 2026-08-25)
July 15, 2019	CBOE	M 10b5-1	14,039	$22.08	$309,981	101,720 Direct	+16.01%	Acquired	1287.5% (price as of 2026-08-25)
July 15, 2019	CBOE	S 10b5-1	14,039	$113.84	$1,598,200	87,685 Direct	-13.80%	Disposed	169.1% (price as of 2026-08-25)
July 15, 2019	CBOE	M 10b5-1	14,039	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-25)
Feb. 28, 2019	CBOE	M	1,236	$95.91	$118,545	88,262 Direct	+1.42%	Acquired	219.4% (price as of 2026-08-25)
Feb. 28, 2019	CBOE	F	581	$95.91	$55,724	87,681 Direct	-0.66%	Disposed	219.4% (price as of 2026-08-25)
Feb. 28, 2019	CBOE	M	1,236	—	—	1,236 Direct	-50.00%	Disposed	(price as of 2026-08-25)
Feb. 19, 2019	CBOE	M	851	$94.16	$80,130	87,426 Direct	+0.98%	Acquired	225.4% (price as of 2026-08-25)
Feb. 19, 2019	CBOE	F	400	$94.16	$37,664	87,026 Direct	-0.46%	Disposed	225.4% (price as of 2026-08-25)
Feb. 19, 2019	CBOE	M	851	—	—	1,704 Direct	-33.31%	Disposed	(price as of 2026-08-25)
Feb. 19, 2019	CBOE	A	4,474	—	—	4,474 Direct	—	Acquired	(price as of 2026-08-25)
Jan. 13, 2019	CBOE	F	3,806	$91.39	$347,830	86,941 Direct	-4.19%	Disposed	235.2% (price as of 2026-08-25)
Jan. 13, 2019	CBOE	F	366	$91.39	$33,449	86,575 Direct	-0.42%	Disposed	235.2% (price as of 2026-08-25)
Dec. 15, 2018	CBOE	F	930	$100.89	$93,828	90,747 Direct	-1.01%	Disposed	203.7% (price as of 2026-08-25)
Dec. 1, 2018	CBOE	F	3,268	$107.62	$351,702	94,386 Direct	-3.35%	Disposed	184.7% (price as of 2026-08-25)
Dec. 1, 2018	CBOE	F	2,709	$107.62	$291,543	91,677 Direct	-2.87%	Disposed	184.7% (price as of 2026-08-25)
Feb. 28, 2018	CBOE	M	1,235	$112.01	$138,332	98,235 Direct	+1.27%	Acquired	173.5% (price as of 2026-08-25)
Feb. 28, 2018	CBOE	F	581	$112.01	$65,078	97,654 Direct	-0.59%	Disposed	173.5% (price as of 2026-08-25)
Feb. 28, 2018	CBOE	M	1,235	—	—	2,472 Direct	-33.32%	Disposed	(price as of 2026-08-25)
Feb. 19, 2018	CBOE	A	2,555	—	—	2,555 Direct	—	Acquired	(price as of 2026-08-25)
Jan. 13, 2018	CBOE	F	3,806	$131.51	$500,527	97,366 Direct	-3.76%	Disposed	133.0% (price as of 2026-08-25)
Jan. 13, 2018	CBOE	F	366	$131.51	$48,133	97,000 Direct	-0.38%	Disposed	133.0% (price as of 2026-08-25)
Dec. 15, 2017	CBOE	F	930	$126.37	$117,524	101,172 Direct	-0.91%	Disposed	142.4% (price as of 2026-08-25)
Dec. 1, 2017	CBOE	F	3,352	$124.25	$416,486	108,079 Direct	-3.01%	Disposed	146.6% (price as of 2026-08-25)
Dec. 1, 2017	CBOE	F	3,268	$124.25	$406,049	104,811 Direct	-3.02%	Disposed	146.6% (price as of 2026-08-25)
Dec. 1, 2017	CBOE	F	2,709	$124.25	$336,593	102,102 Direct	-2.58%	Disposed	146.6% (price as of 2026-08-25)
Feb. 28, 2017	CBOE	A	111,431	—	—	111,431 Direct	—	Acquired	(price as of 2026-08-25)
Feb. 28, 2017	CBOE	A	7,413	—	—	7,413 Direct	-50.00%	Disposed	(price as of 2026-08-25)
Feb. 28, 2017	CBOE	A	3,707	—	—	3,707 Direct	-50.00%	Disposed	(price as of 2026-08-25)
Feb. 28, 2017	CBOE	A	14,039	—	—	14,039 Direct	-50.00%	Disposed	(price as of 2026-08-25)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
July 15, 2019	CBOE	Stock Option	Common Stock (14,039)	$22.08	Jan. 31, 2020	14,039	Disposed
Feb. 28, 2019	CBOE	Restricted Stock Units	Common Stock (1,236)	—	—	1,236	Disposed
Feb. 19, 2019	CBOE	Restricted Stock Units	Common Stock (851)	—	—	851	Disposed
Feb. 19, 2019	CBOE	Restricted Stock Units	Common Stock (4,474)	—	—	4,474	Acquired
Feb. 28, 2018	CBOE	Restricted Stock Units	Common Stock (1,235)	—	—	1,235	Disposed
Feb. 19, 2018	CBOE	Restricted Stock Units	Common Stock (2,555)	—	—	2,555	Acquired
Feb. 28, 2017	CBOE	Restricted Stock Units	Common Stock (7,413)	—	—	7,413	Disposed
Feb. 28, 2017	CBOE	Restricted Stock Units	Common Stock (3,707)	—	—	3,707	Disposed
Feb. 28, 2017	CBOE	Stock Option [F6]	Common Stock (14,039)	$22.08	Jan. 31, 2020	14,039	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).