MARKETAXESS HOLDINGS INC (MKTX) Insider Trading Disclosures
MARKETAXESS HOLDINGS INC (MKTX) is a publicly traded company on the Nasdaq, categorized under SIC 6211 (Security Brokers, Dealers & Flotation Companies). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: MKTX
CIK: 1278021
Exchange: Nasdaq
SIC 6211: Security Brokers, Dealers & Flotation Companies
Fiscal Year End: 12/31
Independent PCAOB Auditor
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Audit Firm
PricewaterhouseCoopers LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerJeffrey Gallotta
Audit LocationNew York, New York, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-10-13 | 2026-10-12 | 4 | 0001193125-26-420435 | View SEC Doc Filr Page |
| DEFA14A | 2026-09-29 | — | DEFA14A | 0001193125-26-407838 | View SEC Doc Filr Page |
| 8-K | 2026-09-29 | 2026-09-25 | 8-K | 0001193125-26-407834 | View SEC Doc Filr Page |
| DEFM14A | 2026-09-18 | — | DEFM14A | 0001193125-26-395678 | View SEC Doc Filr Page |
| 4 | 2026-09-11 | 2026-09-10 | 4 | 0001193125-26-389290 | View SEC Doc Filr Page |
| 4 | 2026-09-11 | 2026-09-10 | 4 | 0001193125-26-389288 | View SEC Doc Filr Page |
| 144 | 2026-09-10 | — | 144 Filing | 0001968582-26-000946 | View SEC Doc Filr Page |
| PREM14A | 2026-09-04 | 2026-09-04 | PREM14A | 0001193125-26-383841 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-14 | — | SCHEDULE 13G/A Filing | 0001214659-26-010349 | View SEC Doc Filr Page |
| 4 | 2026-08-13 | 2026-08-12 | 4 | 0001193125-26-349230 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-13 | — | SCHEDULE 13G/A Filing | 0001167557-26-000191 | View SEC Doc Filr Page |
| 4 | 2026-08-10 | 2026-08-10 | 4 | 0001193125-26-342412 | View SEC Doc Filr Page |
| 144 | 2026-08-10 | — | 144 Filing | 0001921094-26-000819 | View SEC Doc Filr Page |
| 4 | 2026-08-07 | 2026-08-07 | 4 | 0001193125-26-340272 | View SEC Doc Filr Page |
| 10-Q | 2026-08-07 | 2026-06-30 | 10-Q | 0001193125-26-340249 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-06 | — | SCHEDULE 13G/A Filing | 0000763212-26-000023 | View SEC Doc Filr Page |
| DFAN14A | 2026-07-30 | — | DFAN14A | 0001193125-26-326367 | View SEC Doc Filr Page |
| DEFA14A | 2026-07-30 | — | DEFA14A | 0001193125-26-326252 | View SEC Doc Filr Page |
| 8-K | 2026-07-30 | 2026-07-30 | 8-K | 0001193125-26-324950 | View SEC Doc Filr Page |
| DEFA14A | 2026-07-30 | — | DEFA14A | 0001193125-26-324939 | View SEC Doc Filr Page |
| 8-K | 2026-07-30 | 2026-07-29 | 8-K | 0001193125-26-324933 | View SEC Doc Filr Page |
| 4 | 2026-07-10 | 2026-07-10 | 4 | 0001193125-26-300917 | View SEC Doc Filr Page |
| 4 | 2026-06-18 | 2026-06-18 | 4 | 0001193125-26-275951 | View SEC Doc Filr Page |
| 4 | 2026-06-12 | 2026-06-10 | 4 | 0001193125-26-269472 | View SEC Doc Filr Page |
| 4 | 2026-06-12 | 2026-06-10 | 4 | 0001193125-26-269471 | View SEC Doc Filr Page |