InsiderTrades

Form 4 for MKTX MARKETAXESS HOLDINGS INC

Accepted 2026-02-17 00:00:00 ET · period of report 2026-02-13 · accession 0001193125-26-054840 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-02-17 2026-02-15 MKTX CONCANNON CHRISTOPHER R CEO, Dir F - Tax $179.36 -2,616 49.1K -5% -$469.2K
DM 2026-02-17 2026-02-13+ MKTX CONCANNON CHRISTOPHER R CEO, Dir A - Grant $0.00 +8,284 55.7K +17% $0
D 2026-02-17 2026-02-15 MKTX CONCANNON CHRISTOPHER R CEO, Dir A - Grant $0.00 +21.7K 21.7K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.003 per share 2026-02-15 F D 1,750 $179.36 53,949 D — —
2 Common Common Stock, par value $0.003 per share 2026-02-13 A A 1,696 $0.00 49,977 D — —
3 Common Common Stock, par value $0.003 per share 2026-02-15 F D 866 $179.36 49,111 D — —
4 Common Common Stock, par value $0.003 per share 2026-02-15 A A 6,588 $0.00 55,699 D — — (F3) Represents a grant of restricted stock units pursuant to the Company's 2020 Equity Incentive Plan. The restricted stock units shall vest 34% on February 15, 2027, 33% on February 15, 2028, and 33% on February 15, 2029.
5 Derivative Stock Option (right to buy) 2026-02-15 A A 21,736 $0.00 21,736 D $179.36 · — to 2032-02-15 21,736 Common Stock (F5) The stock options shall vest 34% on February 15, 2027, 33% on February 15, 2028, and 33% on February 15, 2029.