Christopher R Concannon Marketaxess Holdings Inc (MKTX) insider trading activity

Christopher R Concannon is Chief Executive Officer of MARKETAXESS HOLDINGS INC. Currently has a direct ownership of 48,281 shares of MKTX, which is worth approximately $9.37 Million. The most recent transaction as insider was on Feb 15, 2025, when has been sold 693 shares (Common Stock, par value $0.003 per share) at a price of $193.49 per share, resulting in proceeds of $134,088. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 48.3K

15.02% 3M change

15.02% 12M change

Total Value Held $9.37 Million

CHRISTOPHER R CONCANNON Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Feb 15 2025	SELL Payment of exercise price or tax liability	$134,088 $193.49 p/Share	693 Reduced 1.42%	48,281 Common Stock, par valu...
Feb 15 2025	BUY Grant, award, or other acquisition	-	6,202 Added 11.24%	48,974 Common Stock, par valu...
Jan 31 2025	SELL Payment of exercise price or tax liability	$180,313 $217.77 p/Share	828 Reduced 1.9%	42,772 Common Stock, par valu...
Jan 29 2025	BUY Grant, award, or other acquisition	-	1,622 Added 3.59%	43,600 Common Stock, par valu...
Feb 15 2024	BUY Grant, award, or other acquisition	-	3,991 Added 8.68%	41,978 Common Stock, par valu...
Jan 31 2024	SELL Payment of exercise price or tax liability	$263,082 $274.33 p/Share	959 Reduced 2.46%	37,987 Common Stock, par valu...
Jan 22 2024	SELL Payment of exercise price or tax liability	$2,425,015 $265.93 p/Share	9,119 Reduced 18.97%	38,946 Common Stock, par valu...
Jan 16 2024	BUY Grant, award, or other acquisition	-	899 Added 1.84%	48,065 Common Stock, par valu...
Aug 14 2023	BUY Open market or private purchase	$1,017,669 $238.33 p/Share	4,270 Added 8.3%	47,166 Common Stock, par valu...
Apr 03 2023	BUY Grant, award, or other acquisition	-	2,729 Added 5.98%	42,896 Common Stock, par valu...
Feb 15 2023	BUY Grant, award, or other acquisition	-	1,967 Added 4.67%	40,167 Common Stock, par valu...
Jan 31 2023	SELL Payment of exercise price or tax liability	$927,089 $363.85 p/Share	2,548 Reduced 6.25%	38,200 Common Stock, par valu...
Jan 18 2023	BUY Grant, award, or other acquisition	-	2,993 Added 6.84%	40,748 Common Stock, par valu...
Jan 31 2022	SELL Payment of exercise price or tax liability	$245,614 $344.48 p/Share	713 Reduced 1.85%	37,755 Common Stock, par valu...
Jan 31 2022	BUY Grant, award, or other acquisition	-	1,805 Added 4.48%	38,468 Common Stock, par valu...
Jan 22 2022	SELL Payment of exercise price or tax liability	$2,301,593 $364.58 p/Share	6,313 Reduced 14.69%	36,663 Common Stock, par valu...
Jan 31 2021	SELL Payment of exercise price or tax liability	$273,084 $540.76 p/Share	505 Reduced 1.16%	42,976 Common Stock, par valu...
Jan 22 2021	SELL Payment of exercise price or tax liability	$1,922,079 $509.7 p/Share	3,771 Reduced 7.98%	43,481 Common Stock, par valu...
Jan 15 2021	BUY Grant, award, or other acquisition	-	1,156 Added 2.39%	47,252 Common Stock, par valu...

CRC

Christopher R Concannon

Chief Executive Officer

New York, NY

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