Mirion Technologies, Inc. filings document operating results, executive compensation, proxy matters and financing arrangements for a radiation detection, measurement, analysis and monitoring company serving nuclear, medical, defense and research markets. Form 8-K reports furnish financial-results releases, guidance updates, material definitive agreements, credit-agreement refinancing activity and other material events.
Proxy filings disclose governance and compensation subjects, including equity-award tables, pay-versus-performance information and a performance-vesting stock option award for the company's chief executive officer. The filing record also covers debt terms at operating subsidiaries and material-event disclosures tied to changes in the company's nuclear technology portfolio.
Kingsley Lawrence D reported acquisition or exercise transactions in this Form 4 filing.
Mirion Technologies director Lawrence D. Kingsley received a stock-based compensation grant. He was awarded 7,383 shares of Class A Common Stock as a restricted stock unit grant at a stated price of $0.00 per share, increasing his direct holdings to 71,430 shares. The units vest on the earlier of the first anniversary of the grant date or the next annual stockholder meeting, subject to his continued Board service.
Bockhorst Kenneth reported acquisition or exercise transactions in this Form 4 filing.
Mirion Technologies director Kenneth Bockhorst received an equity award in the form of restricted stock units. On the reported date, he was granted 7,383 shares of Class A common stock as a stock award at no cash cost, increasing his direct holdings to 77,258 shares.
The footnote explains these restricted stock units vest on the earlier of the first anniversary of the grant date or the company’s next annual stockholder meeting, if he continues serving as a non-employee director through that date. This reflects routine board compensation rather than an open-market purchase.
CASCELLA ROBERT reported acquisition or exercise transactions in this Form 4 filing.
Mirion Technologies director Robert Cascella received an equity award in the form of restricted stock units. The grant covers 7,383 shares of Class A Common Stock at no cash cost, increasing his direct holdings to 60,801 shares after the transaction.
The restricted stock units will vest on the earlier of the first anniversary of the grant date or the date of the next annual stockholder meeting, as long as Cascella continues to serve as a non-employee director on the Board through that vesting date. This is a routine, compensation-related equity grant rather than an open-market share purchase.
Mirion Technologies director Steven W. Etzel reported an equity grant of 7,383 shares of Class A Common Stock in the form of restricted stock units. The award carries no cash exercise price.
These restricted stock units vest on the earlier of the first anniversary of the grant date or the date of the next annual stockholder meeting, conditioned on his continued service as a non-employee director. After this grant, Etzel directly holds 87,448 shares of Mirion Class A Common Stock, so the award modestly increases his existing ownership stake.
KUO JOHN W reported acquisition or exercise transactions in this Form 4 filing.
Mirion Technologies director John W. Kuo received an equity award of 7,383 shares of Class A common stock in the form of restricted stock units. These units vest on the earlier of the first anniversary of the grant date or the next annual stockholder meeting, as long as he continues serving on the board. After this grant, he directly holds 80,119 shares. This is a routine, compensation-related award rather than an open-market purchase.
Markopoulos Jody reported acquisition or exercise transactions in this Form 4 filing.
Mirion Technologies director Jody Markopoulos received an equity award of 7,383 restricted stock units tied to the company’s Class A Common Stock. These units will vest on the earlier of the first anniversary of the grant date or the next annual stockholder meeting, as long as she continues serving on the Board through that date.
After this grant, Markopoulos directly holds 81,509 shares, reflecting routine, compensation-related stock awards rather than an open-market purchase.
Rege Sheila reported acquisition or exercise transactions in this Form 4 filing.
Mirion Technologies, Inc. director Sheila Rege reported receiving an equity award of 7,383 shares of Class A Common Stock in the form of restricted stock units. These units were granted at no cash cost per share and bring her direct holdings to 49,877 shares after the award.
The footnote explains that the restricted stock units will vest on the earlier of the first anniversary of the grant date or the date of the next annual stockholder meeting, as long as she continues to serve as a non-employee director on the Board through the vesting date. This reflects compensation-related stock granted for Board service rather than an open-market purchase.
Mirion Technologies, Inc. held its 2026 annual meeting of stockholders on May 13, 2026. Stockholders elected eight directors to the board for one-year terms ending at the 2027 annual meeting, with each nominee receiving around 187–205 million votes in favor and no votes against.
Stockholders also ratified Deloitte & Touche LLP as the independent registered public accounting firm for the fiscal year ending December 31, 2026, with 217,476,946 votes for and 1,500,529 against. In addition, they approved, on a non-binding advisory basis, the 2025 compensation of the company’s named executive officers.
Mirion Technologies, Inc. Chief Accounting Officer Christopher A. Moore reported an open-market sale of company stock. On May 7, 2026, he sold 8,400 shares of Mirion Class A Common Stock at an average price of $19.64 per share.
After this transaction, Moore directly holds 22,157 shares of Mirion stock. This filing records a single sale transaction and does not show any accompanying option exercises, gifts, or tax-withholding events.
MIR submitted a Rule 144 notice describing proposed sales of common stock tied to restricted stock grants. The filing lists multiple restricted stock lots dated 04/01/2025 and 04/01/2026 with quantities 3,628, 3,637 and 1,135 shown. The broker/placement agent is Morgan Stanley Smith Barney LLC.