secwatch / observer
MKTX MARKETAXESS HOLDINGS INC
CIK 0001278021 47 ready 8-Ks latest June 10, 2026, 4:15 PM ET RSS · JSON
Activity: QUIET 0 filings / 30d vs 1 baseline
Ready 8-Ks 47
Latest filing June 10, 2026, 4:15 PM ET
Top materiality 0.85
Event mix earnings ×20 · leadership ×16 · other ×5
Sentiment 12 pos · 5 neg · 30 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for MKTX

Executive changes

Appointed

Nitin A. Mirwani

Chief Accounting Officer
MKTX · MARKETAXESS HOLDINGS INC
Effective
2025-06-23
Successor
Michael R. Cianciulli
Filed
June 5, 2025, 7:59 PM ET
On June 2, 2025, MarketAxess Holdings Inc. (the “Company”) appointed Nitin A. Mirwani as its Chief Accounting Officer, effective upon his start date with the Company, which is expected to be June 23, 2025.
Departed (interim)

Michael R. Cianciulli

Interim Chief Accounting Officer
MKTX · MARKETAXESS HOLDINGS INC
Effective
2025-06-23
Successor
Nitin A. Mirwani
Filed
June 5, 2025, 7:59 PM ET
Michael R. Cianciulli will cease serving as the Company’s interim principal accounting officer as of the Effective Date, but will continue to serve as the Company’s Head of External Reporting & Compensation Accounting.
Appointed

Dean Berry

Group Chief Operating Officer and Chief Executive Officer, EMEA & APAC
MKTX · MARKETAXESS HOLDINGS INC
Filed
May 21, 2025, 7:59 PM ET
On May 21, 2025, MarketAxess Holdings Inc. (the “Company”) announced that it had appointed Dean Berry as its Group Chief Operating Officer and Chief Executive Officer, EMEA & APAC, effective as of his start date.
Appointed

Roberto Hoornweg

Director
MKTX · MARKETAXESS HOLDINGS INC
Effective
2025-03-01
Filed
January 27, 2025, 6:59 PM ET
On January 23, 2025, the Board of Directors (the “ Board ”) of MarketAxess Holdings Inc. (the “ Company ”) elected Roberto Hoornweg to serve on the Company’s Board of Directors, effective March 1, 2025.
Departed

Richard M. McVey

Executive Chairman
MKTX · MARKETAXESS HOLDINGS INC
Effective
2024-12-31
Successor
Carlos M. Hernandez
Filed
November 6, 2024, 6:59 PM ET
On November 6, 2024, the Company announced that, on November 4, 2024, Mr. Richard M. McVey, our Executive Chairman of the Board of Directors (the “ Board ”), informed the Board that he will retire from his position and as a member of the Board, effective December 31, 2024.
Appointed

Carlos M. Hernandez

Chairman of the Board
MKTX · MARKETAXESS HOLDINGS INC
Effective
2025-01-01
Filed
November 6, 2024, 6:59 PM ET
the Board elected Mr. Carlos M. Hernandez as Chairman of the Board, effective January 1, 2025.
Departed

Richard Prager

Director
MKTX · MARKETAXESS HOLDINGS INC
Filed
April 5, 2024, 7:59 PM ET
On April 4, 2024, Richard Prager notified MarketAxess Holdings Inc. (the “Company”) that he will not stand for re-election to the Company’s Board of Directors (the “Board”) when his current term expires following the Company’s 2024 Annual Meeting of Stockholders (the “2024 Annual Meeting”) in order to focus on other commitments.
Appointed

Ilene Fiszel Bieler

Chief Financial Officer
MKTX · MARKETAXESS HOLDINGS INC
Effective
2024-05-22
Filed
February 26, 2024, 6:59 PM ET
On February 21, 2024, MarketAxess Holdings Inc. (the “Company”) appointed Ilene Fiszel Bieler as Chief Financial Officer of the Company and to act as the Company’s principal financial officer for purposes of the Company’s filings with the U.S. Securities and Exchange Commission (the “SEC”), effective on her start date with the Company, which is currently expected to be May 22, 2024 (the “Effective Date”).
Appointed (interim)

Christopher R. Concannon

interim Chief Financial Officer
MKTX · MARKETAXESS HOLDINGS INC
Effective
2024-02-01
Filed
January 19, 2024, 6:59 PM ET
On January 18, 2024, the Board of Directors (“Board”) of the Company appointed Christopher R. Concannon, Chief Executive Officer of the Company, as interim Chief Financial Officer, effective February 1, 2024.
Appointed (interim)

Michael R. Cianciulli

interim principal accounting officer
MKTX · MARKETAXESS HOLDINGS INC
Filed
January 19, 2024, 6:59 PM ET
In addition, on January 18, 2024, the Board appointed Michael R. Cianciulli, the Company’s Head of External Reporting, as interim principal accounting officer of the Company.
Departed

Christopher N. Gerosa

Chief Financial Officer
MKTX · MARKETAXESS HOLDINGS INC
Effective
2024-01-31
Successor
Christopher R. Concannon
Filed
January 19, 2024, 6:59 PM ET
On November 6, 2023, MarketAxess Holdings Inc. (the “Company”) was informed by Christopher N. Gerosa, the Company’s Chief Financial Officer, that he will resign from such position effective January 31, 2024, to accept a position with another company.
Departed

Christopher N. Gerosa

Chief Financial Officer
MKTX · MARKETAXESS HOLDINGS INC
Effective
2024-01-31
Filed
November 9, 2023, 6:59 PM ET
On November 6, 2023, MarketAxess Holdings Inc. (the “Company”) was informed by Christopher N. Gerosa, the Company’s Chief Financial Officer, that he will resign from such position effective January 31, 2024, to accept a position with another company.

Earnings & guidance

2026-Q1 EPS reported $2.20 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.65 · Most common event earnings

12 positive 5 negative 30 neutral

source · MKTX on sec.gov