☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June30, 2026OR☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from __________ to __________ Commission File Number: 001-39352 Mirion Technologies, Inc. (Exact name of registrant as specified in its charter) 83-0974996(I.R.S. EmployerIdentification Number) 1218 Menlo DriveAtlanta, Georgia 30318(Address of Principal Executive Office)(770) 432-2744(Registrant's telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorterperiod that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during thepreceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of“large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards providedpursuant to Section 13(a) of the Exchange Act. Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act): Yes☐No☒ As of July 23, 2026, there were 243,278,092 shares of Class A common stock, $0.0001 par value per share, and 5,759,555 shares of Class B common stock, $0.0001 par value per share, issued andoutstanding. CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the “safe-harbor“ provisions of the PrivateSecurities Litigation Reform Act of 1995 that reflect future plans, estimates, beliefs, and expected performance. All statements contained in thisQuarterly Report on Form 10-Q other than statements of historical fact, including statements regarding our future operating results andfinancial position, our business strategy and plans, our objectives for future operations, macroeconomic trends, including the impact of tariffsand global trade relations, macro trends in cancer care, nuclear power and small modular reactor industries and our competitive positioning areforward-looking statements. This includes, without limitation, statements under Part I, Item 2. Management's Discussion and Analysis ofFinancial Condition and Results of Operations regarding our financial position, capitalization and capital structure, indebtedness, businessstrategy, and the plans and objectives of management for future operations, market share and products sales, future market opportunities, futuremanufacturing capabilities and facilities, future sales channels and strategies, goodwill impairment, backlog, our supply chain challenges,matters affecting Russia, relations between the United States and China, conflict in the Middle East (including the U.S.-Israel-Iran conflict),foreign exchange, tariffs or other trade disruptions, interest rate and inflation trends, any merger, acquisition, divestiture or investment activity,including integration of previously completed mergers and acquisitions, or other strategic transactions and investments, legal claims, litigation,arbitration or similar proceedings, including with respect to customer disputes, and the future or expected impact on us of any epidemic,pandemic or other crises. These statements constitute projections, forecasts and forward-looking statements, and are not guarantees ofperformance. When used in this Quarterly Report on Form 10-Q, words such as “anticipate,” “believe,” “continue,” “could,” “estimate,”“expect,” “intend,” “may,” “might,” “plan,” “possible,” “potential,” “predict,” “project,” “scheduled,” “should,” “strive,” “seeks,” “plans,”“would” and similar expressions may identify forward-looking statements, but the absence of these words does not mean that a statement is notforward-looking. When we discuss our strategies or plans we are making projections, forecasts or forward-looking statements. Such statementsare based on the beliefs of, as well as assumptions made by and information currently available to, our management. The forward-looking statements contained in this Quar