Insider · CIK 0001296468

Themelis Nicholas

Reports to the SEC for 1 company · NEW YORK, NY

sec.gov

Transactions

Companies

Filings

CIK

0001296468

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2022-03-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−424 sh	$358.18	−$152K	10,120
2022-03-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−98 sh	$359.18	−$35.2K	10,022
2022-03-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−109 sh	$361.01	−$39.4K	9,913
2022-03-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−212 sh	$361.91	−$76.7K	9,701
2022-03-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−8 sh	$365.16	−$2,921.28	9,693
2022-03-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−200 sh	$366.39	−$73.3K	9,493
2022-03-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−315 sh	$367.42	−$116K	9,178
2022-03-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−171 sh	$368.87	−$63.1K	9,007
2022-03-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−325 sh	$370.37	−$120K	8,682
2022-03-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−138 sh	$371.38	−$51.3K	8,544
2022-01-31	MKTXMARKETAXESS HOLDINGS INCA Award	Chief Information Officer	AAward	+1,840 sh	—	—	11,427
2022-01-31	MKTXMARKETAXESS HOLDINGS INCF Tax Payment	Chief Information Officer	FTax Payment	−237 sh	$344.48	−$81.6K	11,190
2022-01-31	MKTXMARKETAXESS HOLDINGS INCF Tax Payment	Chief Information Officer	FTax Payment	−154 sh	$344.48	−$53K	11,036
2022-01-31	MKTXMARKETAXESS HOLDINGS INCF Tax Payment	Chief Information Officer	FTax Payment	−59 sh	$344.48	−$20.3K	10,977
2022-01-31	MKTXMARKETAXESS HOLDINGS INCF Tax Payment	Chief Information Officer	FTax Payment	−159 sh	$344.48	−$54.8K	10,818
2022-01-31	MKTXMARKETAXESS HOLDINGS INCF Tax Payment	Chief Information Officer	FTax Payment	−274 sh	$344.48	−$94.4K	10,544
2021-12-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−200 sh	$364.28	−$72.9K	11,387
2021-12-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−100 sh	$366.99	−$36.7K	11,287
2021-12-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−300 sh	$368.90	−$111K	10,987
2021-12-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−578 sh	$370.57	−$214K	10,409
2021-12-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−500 sh	$371.45	−$186K	9,909
2021-12-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−322 sh	$372.75	−$120K	9,587
2021-09-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−100 sh	$456.85	−$45.7K	13,487
2021-09-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−800 sh	$458.58	−$367K	12,687
2021-09-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−500 sh	$460.36	−$230K	12,187
2021-09-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−100 sh	$461.31	−$46.1K	12,087
2021-09-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−100 sh	$463.33	−$46.3K	11,987
2021-09-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−200 sh	$466.01	−$93.2K	11,787
2021-09-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−200 sh	$473.40	−$94.7K	11,587
2021-08-11	MKTXMARKETAXESS HOLDINGS INCM Exercise/Conversion	Chief Information Officer	MExercise/Conversion	+6,433 sh	$103.30	+$665K	20,020
2021-08-11	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−1,179 sh	$460.06	−$542K	18,841
2021-08-11	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−1,732 sh	$460.70	−$798K	17,109
2021-08-11	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−654 sh	$462.13	−$302K	16,455
2021-08-11	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−1,266 sh	$462.93	−$586K	15,189
2021-08-11	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−502 sh	$464.71	−$233K	14,687
2021-08-11	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−90 sh	$465.64	−$41.9K	14,597
2021-08-11	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−347 sh	$466.45	−$162K	14,250
2021-08-11	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−376 sh	$468.22	−$176K	13,874
2021-08-11	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−135 sh	$468.88	−$63.3K	13,739
2021-08-11	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−152 sh	$470.46	−$71.5K	13,587
2021-08-11	MKTXMARKETAXESS HOLDINGS INC · Stock Option (right to buy)M Exercise/Conversion	Chief Information Officer	MExercise/Conversion	−6,433 sh	—	—	0
2021-06-14	MKTXMARKETAXESS HOLDINGS INCM Exercise/Conversion	Chief Information Officer	MExercise/Conversion	+7,000 sh	$103.30	+$723K	20,587
2021-06-14	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−4,713 sh	$448.40	−$2.11M	15,874
2021-06-14	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−2,287 sh	$449.13	−$1.03M	13,587
2021-06-14	MKTXMARKETAXESS HOLDINGS INC · Stock Option (right to buy)M Exercise/Conversion	Chief Information Officer	MExercise/Conversion	−7,000 sh	—	—	6,433
2021-06-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−385 sh	$442.52	−$170K	17,202
2021-06-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−1,043 sh	$443.40	−$462K	16,159
2021-06-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−864 sh	$444.34	−$384K	15,295
2021-06-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−441 sh	$445.57	−$196K	14,854
2021-06-07	MKTXMARKETAXESS HOLDINGS INCS Sale	Chief Information Officer	SSale	−488 sh	$446.42	−$218K	14,366

Recent filings

Accepted (ET)
Mar 94
Themelis Nicholas0001209191-22-017569
SEC(opens sec.gov)
Feb 24
Themelis Nicholas0001209191-22-006354
SEC(opens sec.gov)
Dec 94
Themelis Nicholas0001209191-21-068791
SEC(opens sec.gov)

Companies

MARKETAXESS HOLDINGS INCChief Information OfficerMKTX

Address

C/O MARKETAXESS HOLDINGS INC. 140 BROADWAY, 42ND FLOOR

NEW YORK, NY, 10005