Washington, D.C. 20549
Date of Report (date of earliest event reported): February 28, 2023
Mirion Technologies, Inc.
(Exact Name of Registrant as Specified in Its Charter)
(State or Incorporation)(Commission File Number)(I.R.S. Employer Identification Number)
1218 Menlo Drive
Atlanta, Georgia 30318
(Address of Principal Executive Offices)
(770) 432-2744
(Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange
on which registered
Class A common stock, $0.0001 par value per shareMIRNew York Stock Exchange
Redeemable warrants to purchase Class A common stockMIR WSNew York Stock Exchange
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company
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 provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.03.     Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.
On February 28, 2023, in connection with the effectiveness of new Securities and Exchange Commission rules regarding universal proxy cards, certain recent changes to the Delaware General Corporation Law (the “DGCL”), and a periodic review of the bylaws of Mirion Technologies, Inc. (the “Company”), the Company’s board of directors (the “Board”) approved and adopted the Company’s amended and restated bylaws (the “Amended and Restated Bylaws”), effective immediately, to, among other things:
Address matters relating to Rule 14a-19 under the Securities Exchange Act of 1934, as amended (the “Universal Proxy Rules”), by clarifying that no person may solicit proxies in support of a director nominee other than the Board’s nominees unless such person has complied with the Universal Proxy Rules, including applicable notice, information and solicitation requirements;
Update and revise the advance notice provisions to enhance the informational and procedural requirements in connection with the nomination of directors or the proposal of other business at meetings of stockholders, including (1) requiring detailed information about the nominee’s identity, professional background, stock ownership and understandings or arrangements with the stockholder making the nomination and (2) providing that the number of nominees a stockholder may nominate for election at the annual meeting of the stockholders shall not exceed the number of directors to be elected at such annual meeting;
Revise certain provisions relating to the availability of lists of stockholders entitled to vote at stockholder meetings to conform to recent amendments to the DGCL; and
Clarify the authority of the Board and the chairperson of a stockholder meeting to establish rules of conduct for the meeting.
The foregoing summary does not purport to be complete and is qualified in its entirety by reference to the full text of the Amended and Restated Bylaws, a copy of which is attached hereto as Exhibit 3.1 and is incorporated herein by reference.

Item 9.01.     Financial Statements and Exhibits.
(d) Exhibits
104Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)
* Filed herewith.


Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: March 1, 2023

Mirion Technologies, Inc.
By:    /s/ Brian Schopfer    
Name:    Brian Schopfer
Title:    Chief Financial Officer