MKTX - Marketaxess Holdings Inc - Insider Stock Trading

Filing Date	T Date	Ticker	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
2/16/24 17:00	2/16/24	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	McPherson Kevin M	NY	O	Chief Re	S	-443	221.26	-2	-3	70	D
1/12/24 16:15	1/10/24	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	McVey Richard M	NY	DO	Exec CB	M.d	3,267	203.72	16	3	648	D
12/11/23 16:15	12/8/23	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	McPherson Kevin M	NY	O	Chief Re	S	-240	260.50	-1	-1	69	D
11/28/23 16:15	11/27/23	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	McPherson Kevin M	NY	O	Chief Re	S	-236	230.95	-1	-1	70	D
8/15/23 16:15	8/14/23	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	Concannon Christopher R	NY	DO	CEO	P	1,018	238.42	4	10	47	D
6/15/23 17:47	6/15/23	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	McPherson Kevin M	NY	O	Global H	S	-277	277.25	-1	-1	71	D
6/15/23 16:15	6/14/23	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	McPherson Kevin M	NY	O	Global H	S	-548	274.00	-2	-3	72	D
3/10/23 16:15	3/8/23	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	Pintoff Scott	NY	O	GC,Secre	S	-90	358.80	0	-3	7	D
3/7/23 16:15	3/3/23	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	Roupie Christophe Pierre Daniel	NY	O	Head of	S	-221	366.58	-1	-9	6	D
2/8/23 16:29	2/7/23	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	Begleiter Steven L	NY	D		S	-349	348.73	-1	-10	9	D
12/12/22 16:15	12/8/22	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	McVey Richard M	NY	DO	CB,CEO	M.d	3,845	156.85	25	4	713	D
6/9/22 16:15	6/7/22	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	Roupie Christophe Pierre Daniel	NY	O	Head of	S	-496	285.03	-2	-25	5	D
4/25/22 16:38	4/22/22	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	Prager Richard Leon	NY	D		P	271	271.25	1	55	3	D
3/9/22 16:15	3/7/22	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	Themelis Nicholas	NY	O	CIO	S	-730	364.89	-2	-19	9	D
12/9/21 16:30	12/7/21	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	Themelis Nicholas	NY	O	CIO	S	-740	370.08	-2	-17	10	D
11/18/21 16:14	11/16/21	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	McPherson Kevin M	NY	O	Global H	M.d	97	103.30	1	1	71	D
11/18/21 16:14	11/16/21	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	McPherson Kevin M	NY	O	Global H	S.d	-367	391.72	-1	-1	71	D
9/9/21 16:15	9/7/21	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	Themelis Nicholas	NY	O	CIO	S	-923	461.54	-2	-15	12	D
8/23/21 16:38	8/19/21	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	McPherson Kevin M	NY	O	Global H	M.dm	558	103.30	5	8	71	D
8/23/21 16:38	8/19/21	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	McPherson Kevin M	NY	O	Global H	S.dm	-2,569	475.90	-5	-7	71	D
8/17/21 16:15	8/13/21	MKTX	Financ	FinTrd	Security Brokers, Dealers & F	Delise Antonio L	NY	O	Global H	S	-697	464.47	-2	-5	27	D

D	Derivative transaction in filing (usually option exercise)
M	Multiple transactions in filing; earliest reported transaction date and weighted average transaction price
A	Amended filing
E	Error detected in filing

S - Sale	Sale of securities on an exchange or to another person
S - Sale+OE	Sale of securities on an exchange or to another person (after option exercise)
F - Tax	Payment of exercise price or tax liability using portion of securities received from the company
P - Purchase	Purchase of securities on an exchange or from another person

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