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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in MARKETAXESS HOLDINGS INC. Get notifications about new insider transactions in MARKETAXESS HOLDINGS INC for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Nov 22 2016	MKTX	MARKETAXESS HOLDIN ...	Steinhardt John	Director	Gift	G	0.00	7,928	0	23,096	31 K to 23.1 K (-25.55 %)
Oct 31 2016	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Option Exercise	M	16.99	1,250	21,238	0
Oct 31 2016	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Buy	M	16.99	1,250	21,238	39,569	38.3 K to 39.6 K (+3.26 %)
Oct 19 2016	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Option Exercise	M	16.99	1,250	21,238	1,250
Oct 19 2016	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Buy	M	16.99	1,250	21,238	38,319	37.1 K to 38.3 K (+3.37 %)
Oct 19 2016	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Gift	G	0.00	200	0	37,069	37.3 K to 37.1 K (-0.54 %)
Aug 23 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Sell	S	165.40	5,745	950,223	65,054	70.8 K to 65.1 K (-8.11 %)
Aug 23 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Sell	S	165.46	455	75,284	70,799	71.3 K to 70.8 K (-0.64 %)
Aug 22 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Sell	S	166.79	10,000	1,667,900	59,494	69.5 K to 59.5 K (-14.39 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	Chwick Jane	Director	Grant	A	0.00	636	0	4,199	3.6 K to 4.2 K (+17.85 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	162.84	3,258	530,535	1,088,199	1.1 M to 1.1 M (-0.30 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	162.27	26,742	4,339,502	1,091,457	1.1 M to 1.1 M (-2.39 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	Begleiter Steven L	Director	Grant	A	0.00	636	0	7,213	6.6 K to 7.2 K (+9.67 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	Casper Stephen P	Director	Grant	A	0.00	667	0	49,168	48.5 K to 49.2 K (+1.38 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	Cruger William Frank Jr.	Director	Grant	A	0.00	636	0	4,186	3.6 K to 4.2 K (+17.92 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	Steinhardt John	Director	Grant	A	0.00	636	0	31,024	30.4 K to 31 K (+2.09 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Grant	A	0.00	636	0	37,269	36.6 K to 37.3 K (+1.74 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	HERNANDEZ CARLOS MAURICIO	Director	Grant	A	0.00	636	0	19,363	18.7 K to 19.4 K (+3.40 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	Sullivan James Joseph	Director	Grant	A	0.00	636	0	7,392	6.8 K to 7.4 K (+9.41 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Grant	A	0.00	636	0	636	0 to 636
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Gift	G	0.00	486	0	28,029	27.5 K to 28 K (+1.76 %)
Aug 09 2016	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Gift	G	0.00	486	0	0	486 to 0 (-100.00 %)
Jun 16 2016	MKTX	MARKETAXESS HOLDIN ...	Begleiter Steven L	Director	Gift	G	0.00	179	0	6,577	6.8 K to 6.6 K (-2.65 %)
May 25 2016	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Sell	S	139.54	600	83,724	27,543	28.1 K to 27.5 K (-2.13 %)
May 25 2016	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Sell	S	138.96	4,323	600,724	28,143	32.5 K to 28.1 K (-13.32 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	Casper Stephen P	Director	Option Exercise	M	9.30	5,000	46,500	0
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	Casper Stephen P	Director	Sell	S	127.69	365	46,607	48,501	48.9 K to 48.5 K (-0.75 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	Casper Stephen P	Director	Buy	M	9.30	5,000	46,500	48,866	43.9 K to 48.9 K (+11.40 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Option Exercise	M	12.96	63,565	823,802	0
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Option Exercise	M	12.96	25,975	336,636	63,565
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	128.70	500	64,351	1,118,199	1.1 M to 1.1 M (-0.04 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	127.73	13,400	1,711,524	1,118,699	1.1 M to 1.1 M (-1.18 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	127.25	11,100	1,412,418	1,132,099	1.1 M to 1.1 M (-0.97 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Buy	M	12.96	63,565	823,802	1,143,199	1.1 M to 1.1 M (+5.89 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	127.55	1,159	147,828	1,079,634	1.1 M to 1.1 M (-0.11 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	126.74	23,841	3,021,492	1,080,793	1.1 M to 1.1 M (-2.16 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Buy	M	12.96	25,975	336,636	1,104,634	1.1 M to 1.1 M (+2.41 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	127.97	6,411	820,428	1,078,659	1.1 M to 1.1 M (-0.59 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	127.37	18,122	2,308,148	1,085,070	1.1 M to 1.1 M (-1.64 %)
May 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	126.30	5,467	690,485	1,103,192	1.1 M to 1.1 M (-0.49 %)
May 05 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Gift	G	0.00	825	0	71,254	72.1 K to 71.3 K (-1.14 %)
May 02 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Gift	G	0.00	102	0	72,079	72.2 K to 72.1 K (-0.14 %)
Mar 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Option Exercise	M	0.00	24,240	0	0
Mar 11 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Buy	M	0.00	24,240	0	1,108,659	1.1 M to 1.1 M (+2.24 %)
Mar 03 2016	MKTX	MARKETAXESS HOLDIN ...	Steinhardt John	Director	Option Exercise	M	9.30	5,000	46,500	0
Mar 03 2016	MKTX	MARKETAXESS HOLDIN ...	Steinhardt John	Director	Buy	M	9.30	5,000	46,500	30,388	25.4 K to 30.4 K (+19.69 %)
Feb 18 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Option Exercise	M	9.95	27,000	268,650	0
Feb 18 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Sell	S	111.56	594	66,264	69,494	70.1 K to 69.5 K (-0.85 %)
Feb 18 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Sell	S	110.66	4,911	543,437	70,088	75 K to 70.1 K (-6.55 %)
Feb 18 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Payment of Exercise	F	110.79	1,541	170,727	74,999	76.5 K to 75 K (-2.01 %)
Feb 18 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Buy	M	9.95	27,000	268,650	76,540	49.5 K to 76.5 K (+54.50 %)
Feb 18 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Sell	S	111.73	3,200	357,536	49,540	52.7 K to 49.5 K (-6.07 %)
Feb 18 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Sell	S	110.60	6,800	752,080	52,740	59.5 K to 52.7 K (-11.42 %)
Feb 09 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	105.42	2,751	290,003	1,084,419	1.1 M to 1.1 M (-0.25 %)
Feb 09 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	104.53	11,292	1,180,369	1,087,170	1.1 M to 1.1 M (-1.03 %)
Feb 09 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	103.76	15,957	1,655,634	1,098,462	1.1 M to 1.1 M (-1.43 %)
Feb 08 2016	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Sell	S	110.36	100	11,036	30,376	30.5 K to 30.4 K (-0.33 %)
Feb 08 2016	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Sell	S	109.02	300	32,707	30,476	30.8 K to 30.5 K (-0.97 %)
Feb 08 2016	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Sell	S	108.17	500	54,085	30,776	31.3 K to 30.8 K (-1.60 %)
Feb 08 2016	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Sell	S	106.99	1,600	171,185	31,276	32.9 K to 31.3 K (-4.87 %)
Feb 08 2016	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Option Exercise	M	9.30	5,000	46,500	0
Feb 08 2016	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Buy	M	9.30	5,000	46,500	36,633	31.6 K to 36.6 K (+15.81 %)
Feb 04 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Sell	S	113.77	5,183	589,683	72,181	77.4 K to 72.2 K (-6.70 %)
Feb 04 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Sell	S	113.75	5,500	625,625	77,364	82.9 K to 77.4 K (-6.64 %)
Feb 02 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Payment of Exercise	F	116.23	1,454	168,998	82,864	84.3 K to 82.9 K (-1.72 %)
Feb 02 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Payment of Exercise	F	116.23	1,375	159,816	84,318	85.7 K to 84.3 K (-1.60 %)
Feb 02 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Payment of Exercise	F	116.23	954	110,883	85,693	86.6 K to 85.7 K (-1.10 %)
Feb 02 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Grant	A	0.00	5,900	0	86,647	80.7 K to 86.6 K (+7.31 %)
Feb 02 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Payment of Exercise	F	116.23	257	29,871	59,540	59.8 K to 59.5 K (-0.43 %)
Feb 02 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Grant	A	0.00	1,967	0	59,797	57.8 K to 59.8 K (+3.40 %)
Feb 02 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Payment of Exercise	F	116.23	3,812	443,069	1,114,419	1.1 M to 1.1 M (-0.34 %)
Feb 02 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Grant	A	0.00	22,102	0	1,118,231	1.1 M to 1.1 M (+2.02 %)
Jan 25 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Option Exercise	A	103.30	26,865	2,775,155	26,865
Jan 25 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Grant	A	0.00	8,666	0	80,747	72.1 K to 80.7 K (+12.02 %)
Jan 25 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Option Exercise	A	103.30	16,120	1,665,196	16,120
Jan 25 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Grant	A	0.00	5,200	0	57,830	52.6 K to 57.8 K (+9.88 %)
Jan 20 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Grant	A	0.00	2,446	0	72,081	69.6 K to 72.1 K (+3.51 %)
Jan 20 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Payment of Exercise	F	101.77	1,924	195,805	69,635	71.6 K to 69.6 K (-2.69 %)
Jan 20 2016	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Payment of Exercise	F	101.77	2,183	222,164	71,559	73.7 K to 71.6 K (-2.96 %)
Jan 20 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Grant	A	0.00	306	0	52,630	52.3 K to 52.6 K (+0.58 %)
Jan 20 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Payment of Exercise	F	101.77	493	50,173	52,324	52.8 K to 52.3 K (-0.93 %)
Jan 20 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Payment of Exercise	F	101.77	559	56,889	52,817	53.4 K to 52.8 K (-1.05 %)
Jan 20 2016	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Payment of Exercise	F	101.77	1,203	122,429	53,376	54.6 K to 53.4 K (-2.20 %)
Jan 20 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Option Exercise	A	101.77	28,002	2,849,764	28,002
Jan 20 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Grant	A	0.00	9,033	0	1,096,129	1.1 M to 1.1 M (+0.83 %)
Jan 20 2016	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Payment of Exercise	F	101.77	6,731	685,014	1,087,096	1.1 M to 1.1 M (-0.62 %)
Dec 29 2015	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Option Exercise	M	9.95	3,000	29,850	27,000
Dec 29 2015	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Buy	M	9.95	3,000	29,850	54,579	51.6 K to 54.6 K (+5.82 %)
Dec 11 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Option Exercise	M	0.00	92,419	0	24,240
Dec 11 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Buy	M	0.00	92,419	0	1,093,827	1 M to 1.1 M (+9.23 %)
Dec 08 2015	MKTX	MARKETAXESS HOLDIN ...	Casper Stephen P	Director	Sell	S	112.40	1,500	168,598	43,866	45.4 K to 43.9 K (-3.31 %)
Dec 01 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Gift	G	0.00	10,000	0	1,001,408	1 M to 1 M (-0.99 %)
Nov 25 2015	MKTX	MARKETAXESS HOLDIN ...	Casper Stephen P	Director	Gift	G	0.00	140	0	45,366	45.5 K to 45.4 K (-0.31 %)
Nov 25 2015	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Gift	G	0.00	474	0	31,633	32.1 K to 31.6 K (-1.48 %)
Nov 10 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	98.94	2,957	292,574	1,011,408	1 M to 1 M (-0.29 %)
Nov 10 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	97.98	7,789	763,183	1,014,365	1 M to 1 M (-0.76 %)
Nov 10 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	99.77	2,200	219,484	1,022,154	1 M to 1 M (-0.21 %)
Nov 10 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	99.06	26,114	2,586,918	1,024,354	1.1 M to 1 M (-2.49 %)
Nov 10 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	98.32	940	92,424	1,050,468	1.1 M to 1.1 M (-0.09 %)
Aug 14 2015	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Option Exercise	M	9.30	5,000	46,500	0
Aug 14 2015	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Sell	S	95.71	1,496	143,182	2,576	4.1 K to 2.6 K (-36.74 %)
Aug 14 2015	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Sell	S	94.95	3,504	332,705	4,072	7.6 K to 4.1 K (-46.25 %)
Aug 14 2015	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Buy	M	9.30	5,000	46,500	7,576	2.6 K to 7.6 K (+194.10 %)
Aug 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	96.92	3,747	363,152	1,051,408	1.1 M to 1.1 M (-0.36 %)
Aug 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	96.17	4,399	423,065	1,055,155	1.1 M to 1.1 M (-0.42 %)
Aug 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	95.15	5,200	494,756	1,059,554	1.1 M to 1.1 M (-0.49 %)
Aug 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	98.99	4,761	471,314	1,064,754	1.1 M to 1.1 M (-0.45 %)
Aug 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	98.28	5,691	559,323	1,069,515	1.1 M to 1.1 M (-0.53 %)
Aug 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	97.45	16,202	1,578,870	1,075,206	1.1 M to 1.1 M (-1.48 %)
Aug 12 2015	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Option Exercise	M	9.95	10,000	99,500	30,000
Aug 12 2015	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Sell	S	95.72	5,660	541,796	51,579	57.2 K to 51.6 K (-9.89 %)
Aug 12 2015	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Buy	M	9.95	10,000	99,500	57,239	47.2 K to 57.2 K (+21.17 %)
Aug 10 2015	MKTX	MARKETAXESS HOLDIN ...	Sullivan James Joseph	Director	Grant	A	0.00	972	0	6,756	5.8 K to 6.8 K (+16.80 %)
Aug 10 2015	MKTX	MARKETAXESS HOLDIN ...	Steinhardt John	Director	Grant	A	0.00	972	0	25,388	24.4 K to 25.4 K (+3.98 %)
Aug 10 2015	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Grant	A	0.00	972	0	32,107	31.1 K to 32.1 K (+3.12 %)
Aug 10 2015	MKTX	MARKETAXESS HOLDIN ...	HERNANDEZ CARLOS MAURICIO	Director	Grant	A	0.00	972	0	18,727	17.8 K to 18.7 K (+5.47 %)
Aug 10 2015	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Grant	A	0.00	972	0	2,576	1.6 K to 2.6 K (+60.60 %)
Aug 10 2015	MKTX	MARKETAXESS HOLDIN ...	Cruger William Frank Jr.	Director	Grant	A	0.00	972	0	3,550	2.6 K to 3.6 K (+37.70 %)
Aug 10 2015	MKTX	MARKETAXESS HOLDIN ...	Chwick Jane	Director	Grant	A	0.00	972	0	3,563	2.6 K to 3.6 K (+37.51 %)
Aug 10 2015	MKTX	MARKETAXESS HOLDIN ...	Casper Stephen P	Director	Grant	A	0.00	1,177	0	45,506	44.3 K to 45.5 K (+2.66 %)
Aug 10 2015	MKTX	MARKETAXESS HOLDIN ...	Begleiter Steven L	Director	Grant	A	0.00	972	0	6,756	5.8 K to 6.8 K (+16.80 %)
Jul 16 2015	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Gift	G	0.00	250	0	73,742	74 K to 73.7 K (-0.34 %)
May 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	86.08	1,442	124,122	1,091,408	1.1 M to 1.1 M (-0.13 %)
May 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	85.35	5,958	508,510	1,092,850	1.1 M to 1.1 M (-0.54 %)
May 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	86.14	11,100	956,207	1,098,808	1.1 M to 1.1 M (-1.00 %)
May 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	85.66	9,000	770,905	1,109,908	1.1 M to 1.1 M (-0.80 %)
May 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	85.76	1,200	102,909	1,118,908	1.1 M to 1.1 M (-0.11 %)
May 12 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	84.92	11,300	959,595	1,120,108	1.1 M to 1.1 M (-1.00 %)
May 06 2015	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Option Exercise	M	9.95	4,000	39,800	40,000
May 06 2015	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Buy	M	9.95	4,000	39,800	47,239	43.2 K to 47.2 K (+9.25 %)
Mar 10 2015	MKTX	MARKETAXESS HOLDIN ...	Steinhardt John	Director	Option Exercise	M	10.04	5,000	50,200	0
Mar 10 2015	MKTX	MARKETAXESS HOLDIN ...	Steinhardt John	Director	Gift	G	0.00	4,589	0	24,416	29 K to 24.4 K (-15.82 %)
Mar 10 2015	MKTX	MARKETAXESS HOLDIN ...	Steinhardt John	Director	Buy	M	10.04	5,000	50,200	29,005	24 K to 29 K (+20.83 %)
Mar 06 2015	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Sell	S	84.27	1,975	166,441	31,135	33.1 K to 31.1 K (-5.96 %)
Mar 06 2015	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Sell	S	85.71	400	34,284	33,110	33.5 K to 33.1 K (-1.19 %)
Mar 06 2015	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Sell	S	85.59	2,000	171,170	33,510	35.5 K to 33.5 K (-5.63 %)
Feb 27 2015	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Sell	S	80.92	7,000	566,448	43,239	50.2 K to 43.2 K (-13.93 %)
Feb 20 2015	MKTX	MARKETAXESS HOLDIN ...	Themelis Nicholas	Chief Information O ...	Grant	A	0.00	3,696	0	73,992	70.3 K to 74 K (+5.26 %)
Feb 20 2015	MKTX	MARKETAXESS HOLDIN ...	DELISE ANTONIO L	Chief Financial Off ...	Grant	A	0.00	1,386	0	50,239	48.9 K to 50.2 K (+2.84 %)
Feb 20 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Grant	A	0.00	14,783	0	1,131,408	1.1 M to 1.1 M (+1.32 %)
Feb 20 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	79.26	800	63,407	1,116,625	1.1 M to 1.1 M (-0.07 %)
Feb 20 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	80.11	2,743	219,752	1,117,425	1.1 M to 1.1 M (-0.24 %)
Feb 20 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	81.36	1,248	101,532	1,120,168	1.1 M to 1.1 M (-0.11 %)
Feb 20 2015	MKTX	MARKETAXESS HOLDIN ...	McVey Richard M	Chairman & CEO	Sell	S	80.30	15,222	1,222,264	1,121,416	1.1 M to 1.1 M (-1.34 %)
Feb 13 2015	MKTX	MARKETAXESS HOLDIN ...	GOMACH DAVID G	Director	Sell	S	81.43	4,000	325,706	32,876	36.9 K to 32.9 K (-10.85 %)
Feb 11 2015	MKTX	MARKETAXESS HOLDIN ...	Casper Stephen P	Director	Option Exercise	M	10.04	5,000	50,200	0
Feb 11 2015	MKTX	MARKETAXESS HOLDIN ...	Casper Stephen P	Director	Sell	S	80.35	630	50,619	44,329	45 K to 44.3 K (-1.40 %)
Feb 11 2015	MKTX	MARKETAXESS HOLDIN ...	Casper Stephen P	Director	Buy	M	10.04	5,000	50,200	44,959	40 K to 45 K (+12.51 %)
Feb 11 2015	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Option Exercise	M	10.04	5,000	50,200	0
Feb 11 2015	MKTX	MARKETAXESS HOLDIN ...	Hersch Ronald M	Director	Sell	S	80.51	625	50,321	35,510	36.1 K to 35.5 K (-1.73 %)

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