Welcome to our dedicated page for Mirion Technologies SEC filings (Ticker: MIR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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.
Mirion Technologies reported strong first quarter 2026 results with revenues rising 27.5% to $257.6 million, driven by both product and service growth. First quarter orders reached $288 million including acquisitions, up 42% from the same period in 2025, reflecting robust demand, especially in nuclear power markets.
The company posted a small GAAP net loss of $3.4 million or $(0.01) per share, while maintaining Adjusted EBITDA of $54.3 million, up 16.3% year over year, with a 21.1% margin. Mirion reaffirmed 2026 guidance for revenue growth of approximately 22%–24%, Organic Revenue growth of 5%–7%, Adjusted EBITDA of $285–$300 million, and Adjusted Free Cash Flow of $155–$175 million, while trimming Adjusted EPS guidance to $0.48–$0.55 to reflect a one-time CEO retention option grant.
Mirion Technologies, Inc. approved a special one-time grant of performance-vesting stock options to Founder, Chairman and CEO Thomas Logan. He received a target of 2,500,000 performance stock options with a seven-year term, split into two tranches measured over three- and four-year periods.
Vesting depends on both his continued service and the Company’s total shareholder return relative to the Russell 2000 (excluding financial services and insurance). Payout ranges from 0% to 150% of target, with threshold performance at the 60th percentile and a one-year holding period after vesting. Mirion expects non-cash charges from this award to be reflected in its next earnings guidance.
Mirion Technologies Chief Human Resources Officer Alison Ulrich had 2,053 shares of Class A common stock withheld on April 1, 2026 to cover tax obligations from vesting restricted stock units. The shares were valued at $18.59 each. After this non-discretionary tax-withholding transaction, she directly holds 36,235 shares of Mirion common stock.
Mirion Technologies, Inc. Chief Financial Officer Brian Schopfer reported a routine tax-related share withholding. On April 1, 2026, 7,377 shares of Class A Common Stock were withheld at $18.59 per share to satisfy tax obligations tied to vesting restricted stock units.
The company’s policy mandated this withholding, and it was not a discretionary trade by Schopfer. After this transaction, he directly holds 913,290 Class A shares and 399,935 Class B shares, indicating the disposition was small relative to his overall stake.
Mirion Technologies, Inc. Chief Accounting Officer Christopher A. Moore reported a routine share disposition tied to equity compensation. On April 1, 2026, 1,903 shares of Class A common stock were withheld at $18.59 per share to satisfy tax withholding obligations from vesting restricted stock units.
The company’s policy required this withholding, so it was not a discretionary market trade. After this tax-related disposition, Moore directly held 30,557 shares of Mirion Technologies Class A common stock.
Mirion Technologies, Inc. Chief Executive Officer Thomas D. Logan reported a tax-related share withholding tied to vesting equity awards. On the vesting of previously granted restricted stock units, 22,614 shares of Class A Common Stock were withheld at $18.59 per share to satisfy tax withholding obligations under a pre-adopted company policy. This withholding is described as mandated by the issuer and not a discretionary trade by Logan.
After this event, Logan holds 364,060 shares of Class A Common Stock directly, 1,544,017 shares of Class B Common Stock directly, and 3,205,378 shares of Class A Common Stock indirectly through the Logan Family Trust.
Mirion Technologies Chief Legal Officer Emmanuelle Lee reported a mandatory tax-related share withholding tied to equity compensation. On Class A Common Stock, 4,680 shares were withheld at $18.59 per share to satisfy tax obligations from vesting restricted stock units under a pre-adopted company policy, rather than an open-market sale. After this event, Lee directly owned 82,431 Class A shares. The filing also shows holdings of Class B Common Stock, including 138,193 shares held directly and 32,748 shares held indirectly through a trust.
Kingsley Lawrence D reported acquisition or exercise transactions in this Form 4 filing.
Mirion Technologies director Lawrence D. Kingsley received a stock grant of 1,104 Class A Common shares, taken in lieu of cash fees for board service. The shares were issued at a reference price of $17.32 per share as a vested award for his quarterly director retainer.
After this grant, Kingsley directly holds 64,047 Mirion Class A shares. He also has an additional 3,509,075 shares reported as indirectly owned through the Lawrence D. Kingsley Revocable Trust. This filing reflects routine, compensation-related share issuance rather than an open-market purchase.