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.
This page provides access to U.S. Securities and Exchange Commission (SEC) filings for Mirion Technologies, Inc. (NYSE: MIR), a global provider of radiation detection, measurement, analysis, and monitoring solutions to nuclear, medical, defense, and research end markets. These filings offer detailed information on Mirion’s capital structure, financing arrangements, acquisitions, and periodic financial reporting.
Investors can review current reports on Form 8-K that Mirion files to disclose material events. In 2025, the company filed multiple 8-Ks describing an Equity Purchase Agreement to acquire, and later the completion of the acquisition of, the indirect parent of Paragon Energy Solutions. Other 8-Ks outline an underwriting agreement for a public offering of Class A common stock, the completion and terms of a private offering of Convertible Senior Notes due 2031, and amendments to the company’s credit agreement that establish a new tranche of term loans maturing in 2032 to refinance existing term loans.
Mirion also files 8-Ks to furnish quarterly earnings press releases, such as those announcing financial results for quarters ended June 30 and September 30, 2025. While these furnished materials are not deemed filed for certain liability purposes, they give context on revenue trends, profitability metrics, and guidance updates that complement the company’s periodic reports on Forms 10-K and 10-Q.
Through this filings page, users can follow Mirion’s use of equity and convertible debt financing, its acquisition-related disclosures, and its credit agreement refinancings. Stock Titan’s tools can help surface key points from lengthy documents, such as the main terms of convertible notes, conditions in acquisition agreements, or significant covenants and events of default in indentures and credit facilities. This makes it easier to understand how Mirion structures its obligations and reports material developments affecting MIR shareholders.
Mirion Technologies, Inc. reported that Nuclear & Safety President Loic Eloy acquired 15,577 shares of Class A common stock at no cost through the settlement of previously granted performance-based restricted stock units. After this award, his directly held stake increased to 113,347 shares.
Mirion Technologies, Inc. Chief Financial Officer Brian Schopfer reported equity compensation activity involving Class A Common Stock. He acquired 64,906 Class A shares at no cost through a grant or award, tied to the settlement of previously granted performance-based restricted stock units based on achieved performance goals.
The company withheld 28,499 Class A shares at a price of $21.61 per share and another 9,172 Class A shares at $21.61 per share to satisfy tax withholding obligations related to vesting RSUs and PSUs. These tax-withholding dispositions were mandated by company policy and are not discretionary trades. Following these transactions, he directly held 884,260 Class A shares, and a separate entry shows 399,935 Class B shares held directly.
Mirion Technologies, Inc. Chief Human Resources Officer Alison Ulrich reported equity compensation and related tax withholding transactions in Class A common stock. She received a grant of 5,552 restricted stock units on March 1, 2026, described as an award with no cash price.
According to the footnotes, these units will vest in three equal annual installments starting on March 1, 2027, if her employment continues through each vesting date. On the same date, 2,360 shares at $21.61 per share were withheld by Mirion to cover tax obligations upon vesting of previously granted RSUs, under a pre-adopted policy and not as a discretionary trade. After these transactions, she directly owned 38,288 shares of Class A common stock.
Mirion Technologies, Inc. Chief Accounting Officer Christopher A. Moore reported two stock transactions involving Class A common stock. He received a grant of 5,552 restricted stock units that will vest in three equal annual installments starting on March 1, 2027, contingent on continued employment. Separately, 1,397 shares were disposed of at $21.61 per share to satisfy tax withholding obligations upon vesting of previously granted RSUs, with the shares withheld under a pre-established company policy rather than through a discretionary trade. After these transactions, Moore directly held 32,460 shares.
Mirion Technologies Chief Legal Officer Emmanuelle Lee reported equity transactions involving Mirion Class A and Class B shares. On
On the same date, 3,184 Class A shares were disposed of at
Mirion Technologies, Inc. Chief Executive Officer Thomas D. Logan reported multiple equity transactions in Class A Common Stock. He received a grant or award of 318,632 shares at $0.00 per share, tied to the settlement of previously granted performance-based restricted stock units.
To satisfy tax withholding obligations on vesting RSUs and PSUs under a pre-adopted company policy, the issuer withheld 127,184 shares and 20,650 shares at $21.61 per share; these withholdings are not discretionary trades by Logan. He also made a bona fide gift of 3,093,812 shares to the Logan Family Trust for no consideration.
Following these transactions, Logan directly owns 386,674 shares of Class A Common Stock and holds additional shares indirectly through the Logan Family Trust, which is reported with 3,205,378 shares of indirect ownership.
Mirion Technologies, Inc. provides an in-depth annual overview of its nuclear and medical radiation safety businesses, global footprint and risk profile. The company operates through Nuclear & Safety and Medical segments, serving nuclear power plants, defense, laboratories, hospitals and cancer centers worldwide.
Mirion reports remaining performance obligations of
The company notes net income of
T. Rowe Price Investment Management, Inc. filed an amended Schedule 13G reporting beneficial ownership of 15,112,855 shares of Mirion Technologies Inc. common stock, representing 6.1% of the class as of 12/31/2025. The firm reports sole voting power over 15,076,254 shares and sole dispositive power over 15,112,855 shares, with no shared voting or dispositive power.
T. Rowe Price states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Mirion. It also affirms that the filing should not be construed as an admission that it is the beneficial owner of the securities.
Mirion Technologies reported solid growth for 2025 and issued strong 2026 guidance. Full-year revenues rose to $925.4 million from $860.8 million, with net income improving to $29.8 million from a loss of $36.6 million. Adjusted EBITDA increased to $227.9 million, with margin rising to 24.6%.
Fourth-quarter revenue grew 9.1% to $277.4 million, while GAAP net income was $17.8 million and adjusted EBITDA reached $77.6 million. For 2026, Mirion expects total revenue growth of 22–24%, organic revenue growth of 5–7%, adjusted EBITDA of $285–$300 million, adjusted free cash flow of $155–$175 million, and adjusted EPS of $0.50–$0.57.
The company ended 2025 with $415.2 million in cash, up from $175.6 million, after issuing $755.0 million of convertible senior notes and $425.0 million of common stock and funding $661.9 million of acquisitions. Net cash from operating activities rose to $143.3 million. Basic GAAP EPS for 2025 was $0.13, while full-year adjusted EPS was $0.46.
Kuwait Investment Authority (KIA), acting for the Government of the State of Kuwait, reports beneficial ownership of 10,171,591 shares of Mirion Technologies, Inc. Class A common stock as of January 19, 2026.
This represents 4.10% of Mirion’s Class A shares, based on 247,821,635 shares outstanding as of October 22, 2025. KIA has sole power to vote and dispose of all 10,171,591 shares and no shared voting or dispositive power.
KIA’s Mirion holdings were 10,000,000 shares as of December 31, 2022, 10,041,458 shares as of December 31, 2023, and 10,171,591 shares as of December 31, 2024, indicating gradual increases in absolute share count. KIA certifies that the securities are not held to change or influence control of Mirion, but as a passive investment.