secwatch / observer
MIR Mirion Technologies, Inc.
CIK 0001809987 50 ready 8-Ks latest August 31, 2026, 4:16 PM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing August 31, 2026, 4:16 PM ET
Top materiality 0.85
Event mix earnings ×16 · other_material ×12 · debt ×10
Sentiment 21 pos · 0 neg · 29 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for MIR

Executive changes

Departed

Michael Rossi

Medical Group President
MIR · Mirion Technologies, Inc.
Effective
2023-11-01
Filed
October 18, 2023, 7:59 PM ET
On October 13, 2023, Mr. Michael Rossi, who has served as the Medical Group President of Mirion Technologies, Inc. (the “Company”), notified the Company of his decision to resign from his position, effective November 1, 2023, in order to assume a CEO role at another public company.
Departed

Jyothsna (Jo) Natauri

Director
MIR · Mirion Technologies, Inc.
Effective
2023-06-20
Filed
June 21, 2023, 7:59 PM ET
On June 20, 2023, Ms. Jyothsna (Jo) Natauri informed the board of directors ("Board") of Mirion Technologies, Inc. (“Mirion”) of her decision to resign as a director of Mirion, effective as of the close of business on June 20, 2023.
Appointed

Michael Rossi

Medical Group President
MIR · Mirion Technologies, Inc.
Effective
2022-10-03
Filed
October 3, 2022, 7:59 PM ET
On October 3, 2022, Mirion Technologies, Inc. (the “Company”) announced the appointment of Michael Rossi, as Medical Group President of the Company.
Departed

Christopher Warren

Director
MIR · Mirion Technologies, Inc.
Effective
2022-09-16
Successor
Sheila Rege
Filed
September 19, 2022, 7:59 PM ET
On September 13, 2022, Christopher Warren, a member of the board of directors (the “Board”) of Mirion Technologies, Inc. (the “Company”), notified the Company of his intent to resign from the Board, effective at the close of business on September 16, 2022.
Appointed

Sheila Rege

Director
MIR · Mirion Technologies, Inc.
Effective
2022-09-16
Filed
September 19, 2022, 7:59 PM ET
On September 16, 2022, after recommendation by the Nominating and Corporate Governance Committee of the Board, the Board appointed Ms. Sheila Rege, M.D., as a member of the Board, effective immediately, to fill the vacancy created by Mr. Warren’s resignation.
Appointed

Christopher Moore

Principal Accounting Officer
MIR · Mirion Technologies, Inc.
Effective
2022-05-18
Filed
May 20, 2022, 7:59 PM ET
On May 18, 2022, Mirion Technologies, Inc. (the “Corporation”) appointed Christopher Moore as Principal Accounting Officer, effective immediately.
Departed

Kipling Matas

Principal Accounting Officer
MIR · Mirion Technologies, Inc.
Effective
2022-03-23
Successor
Brian Schopfer
Filed
March 3, 2022, 6:59 PM ET
Ms. Kipling Matas, who has served as the Principal Accounting Officer of Mirion Technologies, Inc. (the “Company”), resigned from her position, effective March 23, 2022.
Role change

Brian Schopfer

Principal Accounting Officer
MIR · Mirion Technologies, Inc.
Effective
2022-03-23
Filed
March 3, 2022, 6:59 PM ET
Mr. Brian Schopfer, Chief Financial Officer, will assume the role of Principal Accounting Officer, effective upon her departure.
Departed

Michael Freed

Chief Operating Officer
MIR · Mirion Technologies, Inc.
Effective
2022-02-28
Filed
February 23, 2022, 6:59 PM ET
On February 18, 2022, the Company determined that Michael Freed, who has served as the Chief Operating Officer of the Company, will depart the Company on February 28, 2022 as a result of his position being eliminated.

Earnings & guidance

2026-Q1 EPS reported -$0.01 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.60 · Most common event earnings

21 positive 0 negative 29 neutral

source · MIR on sec.gov