secwatch / observer
MRCY MERCURY SYSTEMS INC
CIK 0001049521 47 ready 8-Ks latest August 18, 2026, 4:01 PM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 0 baseline
Ready 8-Ks 47
Latest filing August 18, 2026, 4:01 PM ET
Top materiality 0.90
Event mix earnings ×18 · other_material ×12 · leadership ×8
Sentiment 11 pos · 8 neg · 28 neu
Latest earnings reported 2026-Q3
Executive change recent →

Recent 8-K filings for MRCY

Executive changes

Departed

Charles R. Wells IV

Executive Vice President and Chief Operating Officer
MRCY · MERCURY SYSTEMS INC
Filed
April 1, 2025, 7:59 PM ET
On March 28, 2025, Charles R. Wells, IV, the Company’s Executive Vice President and Chief Operating Officer, informed the Company that he will be departing for a chief executive officer role at a privately held company.
Appointed

Jean Bua

Director
MRCY · MERCURY SYSTEMS INC
Effective
2025-01-06
Filed
January 6, 2025, 6:59 PM ET
the appointment of Jean Bua, the Chief Financial Officer of NetScout Systems, a publicly traded network performance and security solutions company, to the Board.
Departed

Roger A. Krone

Director
MRCY · MERCURY SYSTEMS INC
Effective
2025-01-06
Filed
January 6, 2025, 6:59 PM ET
announced the departure of Roger A. Krone from the Board
Departed

Michelle M. McCarthy

Senior Vice President and Chief Accounting Officer
MRCY · MERCURY SYSTEMS INC
Successor
Douglas Munro
Filed
February 8, 2024, 6:59 PM ET
On February 7, 2024, Michelle M. McCarthy, the Company’s Senior Vice President and Chief Accounting Officer informed the Company that she has accepted another role outside the Company.
Appointed

Douglas Munro

Vice President and Chief Accounting Officer
MRCY · MERCURY SYSTEMS INC
Effective
2024-02-12
Filed
February 8, 2024, 6:59 PM ET
On February 8, 2024, Mercury Systems, Inc. (the “Company”) announced that Douglas Munro has been appointed as the Company’s Vice President and Chief Accounting Officer effective as of February 12, 2024.
Appointed

Charles R. Wells, IV

Executive Vice President, Chief Operating Officer
MRCY · MERCURY SYSTEMS INC
Effective
2024-01-22
Filed
January 17, 2024, 6:59 PM ET
we have named Charles R. Wells, IV as Executive Vice President, Chief Operating Officer, effective January 22, 2024
Departed

Christine F. Harbison

Executive Vice President, Chief Growth Officer
MRCY · MERCURY SYSTEMS INC
Filed
January 17, 2024, 6:59 PM ET
On January 12, 2024, we notified Christine F. Harbison, our Executive Vice President, Chief Growth Officer, and a named executive officer, that she will depart the Company after a short transition period.
Departed

James M. Stevison

Executive Vice President and President, Mission Systems division
MRCY · MERCURY SYSTEMS INC
Effective
2023-12-01
Filed
November 15, 2023, 6:59 PM ET
On November 10, 2023, James M. Stevison, the Company’s Executive Vice President and President of the Company’s Mission Systems division, informed the Company that he will be departing on December 1, 2023.
Appointed

William L. Ballhaus

President and Chief Executive Officer
MRCY · MERCURY SYSTEMS INC
Effective
2023-08-15
Filed
August 15, 2023, 7:59 PM ET
On August 15, 2023, the Company announced that William L. Ballhaus has been appointed as the Company’s President and Chief Executive Officer.
Appointed

William L. Ballhaus

Chairman of the Board
MRCY · MERCURY SYSTEMS INC
Filed
August 15, 2023, 7:59 PM ET
Mr. Ballhaus will become the Company’s Chairman of the Board effective with the 2023 annual meeting of shareholders.
Departed

Thomas Huber

Executive Vice President, Chief Transformation Officer
MRCY · MERCURY SYSTEMS INC
Effective
2023-07-18
Filed
July 20, 2023, 7:59 PM ET
With this consolidation, Thomas Huber, the Company’s Executive Vice President, Chief Transformation Officer, will leave the Company.
Role change

Barry R. Nearhos

Lead Independent Director
MRCY · MERCURY SYSTEMS INC
Filed
July 7, 2023, 7:59 PM ET
the Board appointed Barry R. Nearhos as lead independent director of the Board as of the Effective Time

Earnings & guidance

2026-Q3 EPS reported -$0.51 filing →

Materiality & sentiment trend

Max materiality 0.90 · Median 0.70 · Most common event earnings

11 positive 8 negative 28 neutral

source · MRCY on sec.gov