Mirion Technologies, Inc. SEC filings MIR

Mirion Technologies, Inc. has 534 filings in SEC EDGAR's recent list, going back to Apr 20, 2020. Its latest annual report, Form ARS, was filed on Apr 1, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 27, 2026 (results of operations). The company's fiscal year ends on December 31.

Mirion Technologies, Inc. SEC filings
Form Description Filed Period
10-Q Quarterly report Oct 28, 2026 Sep 30, 2026
8-K Current report
Results of operations
Oct 27, 2026 Oct 27, 2026
8-K Current report
Other events
Aug 31, 2026 Aug 31, 2026
10-Q Quarterly report Jul 29, 2026 Jun 30, 2026
8-K Current report
Results of operations
Jul 28, 2026 Jul 28, 2026
8-K Current report
Officer or director change
Jul 2, 2026 Jul 2, 2026
SD Specialized disclosure (conflict minerals) May 29, 2026 —
8-K Current report
Shareholder vote results
May 14, 2026 May 13, 2026
10-Q Quarterly report Apr 29, 2026 Mar 31, 2026
8-K Current report
Results of operations
Apr 28, 2026 Apr 28, 2026
8-K Current report
Officer or director change
Apr 13, 2026 Apr 9, 2026
DEF 14A Proxy statement Apr 1, 2026 May 13, 2026
ARS Annual report to shareholders Apr 1, 2026 Dec 31, 2025
DEF 14A Proxy statement Apr 1, 2026 May 13, 2026
10-K Annual report Feb 19, 2026 Dec 31, 2025
8-K Current report
Results of operations
Feb 10, 2026 Feb 10, 2026
8-K Current report
Material agreement, New debt
Dec 8, 2025 Dec 8, 2025
8-K Current report
Other events
Dec 1, 2025 Dec 1, 2025
8-K Current report
Other events
Nov 7, 2025 Nov 6, 2025
10-Q Quarterly report Oct 29, 2025 Sep 30, 2025
8-K Current report
Results of operations
Oct 28, 2025 Oct 28, 2025
8-K Current report
Material agreement, New debt, Unregistered share sale, Other events
Sep 30, 2025 Sep 25, 2025
424B5 Prospectus supplement Sep 29, 2025 —
FWP Free writing prospectus Sep 26, 2025 —
FWP Free writing prospectus Sep 24, 2025 —
424B5 Prospectus supplement Sep 24, 2025 —
8-K Current report
Other events
Sep 24, 2025 Sep 24, 2025
10-Q Quarterly report Aug 1, 2025 Jun 30, 2025
8-K Current report
Results of operations
Jul 31, 2025 Jul 31, 2025
8-K Current report
Material agreement, New debt
Jun 5, 2025 Jun 5, 2025
SD Specialized disclosure (conflict minerals) May 30, 2025 —
8-K Current report
Other events
May 29, 2025 May 29, 2025
8-K Current report
Material agreement, New debt, Unregistered share sale, Other events
May 23, 2025 May 20, 2025
8-K Current report
Regulation FD disclosure, Other events
May 20, 2025 May 20, 2025
8-K Current report
Shareholder vote results
May 16, 2025 May 15, 2025
10-Q Quarterly report Apr 30, 2025 Mar 31, 2025
8-K Current report
Results of operations
Apr 29, 2025 Apr 29, 2025
DEFA14A Additional proxy material Apr 1, 2025 —
ARS Annual report to shareholders Apr 1, 2025 Dec 31, 2024
DEF 14A Proxy statement Apr 1, 2025 May 15, 2025
8-K Current report
Material agreement, New debt
Mar 21, 2025 Mar 21, 2025
10-K Annual report Feb 26, 2025 Dec 31, 2024
8-K Current report
Results of operations
Feb 11, 2025 Feb 11, 2025
8-K Current report
Regulation FD disclosure, Other events
Dec 3, 2024 Dec 3, 2024
10-Q Quarterly report Oct 30, 2024 Sep 30, 2024
8-K Current report
Results of operations
Oct 29, 2024 Oct 29, 2024
10-Q Quarterly report Aug 2, 2024 Jun 30, 2024
8-K Current report
Results of operations
Aug 1, 2024 Aug 1, 2024
8-K Current report
Shareholder vote results
Jun 4, 2024 Jun 4, 2024
424B3 Prospectus Jun 4, 2024 —
8-K Current report
Unregistered share sale
Jun 4, 2024 Jun 4, 2024
SD Specialized disclosure (conflict minerals) May 30, 2024 —
8-K Current report
Other events
May 23, 2024 May 23, 2024
8-K Current report
Material agreement, New debt
May 22, 2024 May 22, 2024
25-NSE Delisting notice May 20, 2024 —
8-K Current report
Other events
May 17, 2024 May 17, 2024
10-Q Quarterly report May 1, 2024 Mar 31, 2024
8-K Current report
Results of operations
Apr 30, 2024 Apr 30, 2024
DEFA14A Additional proxy material Apr 23, 2024 —
DEF 14A Proxy statement Apr 23, 2024 Dec 31, 2023
ARS Annual report to shareholders Apr 23, 2024 Dec 31, 2023
8-K Current report
Other events
Apr 18, 2024 Apr 18, 2024
10-K Annual report Feb 28, 2024 Dec 31, 2023
8-K Current report
Results of operations
Feb 13, 2024 Feb 13, 2024
8-K Current report
Material agreement, New debt
Jan 5, 2024 Dec 30, 2023
10-Q Quarterly report Nov 2, 2023 Sep 30, 2023
8-K Current report
Results of operations
Nov 1, 2023 Nov 1, 2023
8-K Current report
Officer or director change
Oct 18, 2023 Oct 18, 2023
10-Q Quarterly report Aug 3, 2023 Jun 30, 2023
8-K Current report
Results of operations
Aug 2, 2023 Aug 2, 2023
8-K Current report
Material agreement, New debt
Jun 27, 2023 Jun 23, 2023
8-K Current report
Agreement ended, Officer or director change
Jun 21, 2023 Jun 20, 2023
8-K Current report
Bylaw or fiscal year change, Shareholder vote results
Jun 9, 2023 Jun 6, 2023
8-K Current report
Other events
May 16, 2023 May 11, 2023
424B5 Prospectus supplement May 15, 2023 —
10-Q Quarterly report May 3, 2023 Mar 31, 2023
8-K Current report
Results of operations
May 3, 2023 May 3, 2023
DEFA14A Additional proxy material Apr 24, 2023 —
DEF 14A Proxy statement Apr 24, 2023 —
ARS Annual report to shareholders Apr 12, 2023 Dec 31, 2022
PRE 14A Preliminary proxy statement Apr 12, 2023 —
8-K Current report
Other events
Mar 7, 2023 Mar 2, 2023
424B5 Prospectus supplement Mar 6, 2023 —
8-K Current report
Bylaw or fiscal year change
Mar 1, 2023 Feb 28, 2023
10-K Annual report Feb 28, 2023 Dec 31, 2022
424B5 Prospectus supplement Feb 21, 2023 —
8-K Current report
Results of operations, Other events
Feb 21, 2023 Feb 21, 2023
8-K Current report
Results of operations
Feb 14, 2023 Feb 14, 2023
EFFECT Filing Nov 28, 2022 —
424B3 Prospectus Nov 28, 2022 —
CORRESP Letter to the SEC Nov 22, 2022 —
UPLOAD Letter from the SEC Nov 21, 2022 —
S-3 Shelf registration Nov 17, 2022 —
8-K Current report
Other events
Nov 17, 2022 Nov 17, 2022
424B3 Prospectus Nov 3, 2022 —
10-Q Quarterly report Nov 3, 2022 Sep 30, 2022
8-K Current report
Results of operations
Nov 1, 2022 Nov 1, 2022
424B3 Prospectus Oct 3, 2022 —
8-K Current report
Officer or director change, Regulation FD disclosure
Oct 3, 2022 Oct 3, 2022
424B3 Prospectus Sep 19, 2022 —
8-K Current report
Officer or director change, Regulation FD disclosure
Sep 19, 2022 Sep 13, 2022
424B3 Prospectus Aug 1, 2022 —
10-Q Quarterly report Jul 29, 2022 Jun 30, 2022
8-K Current report
Results of operations
Jul 29, 2022 Jul 29, 2022
424B3 Prospectus Jun 17, 2022 —
8-K Current report
Shareholder vote results
Jun 17, 2022 Jun 15, 2022
424B3 Prospectus May 23, 2022 —
8-K Current report
Officer or director change
May 20, 2022 May 18, 2022
424B3 Prospectus May 5, 2022 —
10-Q Quarterly report May 5, 2022 Mar 31, 2022
8-K Current report
Results of operations
May 4, 2022 May 4, 2022
DEFA14A Additional proxy material Apr 20, 2022 —
DEF 14A Proxy statement Apr 20, 2022 Dec 31, 2021
424B3 Prospectus Mar 11, 2022 —
EFFECT Filing Mar 10, 2022 —
POS AM Filing Mar 8, 2022 —
424B3 Prospectus Mar 8, 2022 —
8-K Current report
Other events
Mar 8, 2022 Mar 8, 2022
424B3 Prospectus Mar 3, 2022 —
8-K Current report
Officer or director change
Mar 3, 2022 Feb 28, 2022
424B3 Prospectus Mar 1, 2022 —
10-K Annual report Feb 28, 2022 Dec 31, 2021
424B3 Prospectus Feb 23, 2022 —
8-K Current report
Results of operations, Officer or director change
Feb 23, 2022 Feb 18, 2022
424B3 Prospectus Dec 29, 2021 —
8-K Current report
Officer or director change
Dec 29, 2021 Dec 27, 2021
S-8 Employee stock plan registration Dec 27, 2021 —
424B3 Prospectus Dec 13, 2021 —
8-K/A Amended current report Dec 13, 2021 Oct 19, 2021
424B3 Prospectus Nov 12, 2021 —
8-K/A Amended current report Nov 12, 2021 Oct 19, 2021
8-K Current report
Results of operations
Nov 12, 2021 Nov 12, 2021
424B3 Prospectus Nov 10, 2021 —
10-Q Quarterly report Nov 10, 2021 Sep 30, 2021
EFFECT Filing Nov 4, 2021 —
424B3 Prospectus Nov 4, 2021 —
CORRESP Letter to the SEC Nov 2, 2021 —
UPLOAD Letter from the SEC Nov 2, 2021 —
S-1 Registration statement Oct 27, 2021 —
8-K/A Amended current report
Change to shareholder rights, Bylaw or fiscal year change
Oct 25, 2021 Oct 19, 2021
8-K Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Auditor change, Change in control, Officer or director change, Shareholder vote results, Other events
Oct 25, 2021 Oct 19, 2021
25-NSE Delisting notice Oct 21, 2021 —
425 Filing Oct 19, 2021 —
425 Filing Oct 18, 2021 —
425 Filing Oct 18, 2021 —
425 Filing Oct 15, 2021 —
425 Filing Oct 15, 2021 —
425 Filing Oct 13, 2021 —
8-K Current report
Other events
Oct 13, 2021 Oct 13, 2021
425 Filing Oct 12, 2021 —
425 Filing Oct 12, 2021 —
425 Filing Oct 7, 2021 —
425 Filing Oct 4, 2021 —
425 Filing Oct 4, 2021 —
425 Filing Sep 30, 2021 —
EFFECT Filing Sep 29, 2021 —
424B3 Prospectus Sep 29, 2021 —
CORRESP Letter to the SEC Sep 28, 2021 —
CORRESP Letter to the SEC Sep 27, 2021 —
S-4/A Filing Sep 27, 2021 —
UPLOAD Letter from the SEC Sep 24, 2021 —
425 Filing Sep 21, 2021 —
S-4/A Filing Sep 21, 2021 —
CORRESP Letter to the SEC Sep 20, 2021 —
UPLOAD Letter from the SEC Sep 17, 2021 —
425 Filing Sep 15, 2021 —
425 Filing Sep 15, 2021 —
425 Filing Sep 9, 2021 —
425 Filing Sep 9, 2021 —
425 Filing Sep 8, 2021 —
CORRESP Letter to the SEC Sep 3, 2021 —
S-4/A Filing Sep 3, 2021 —
8-K Current report
Material agreement
Sep 3, 2021 Sep 3, 2021
425 8-k Sep 3, 2021 —
425 Filing Aug 27, 2021 —
UPLOAD Letter from the SEC Aug 25, 2021 —
425 Filing Aug 19, 2021 —
425 Filing Aug 16, 2021 —
425 Filing Aug 16, 2021 —
10-Q Quarterly report Aug 16, 2021 Jun 30, 2021
CORRESP Letter to the SEC Aug 11, 2021 —
S-4/A Filing Aug 11, 2021 —
UPLOAD Letter from the SEC Jul 29, 2021 —
425 Filing Jul 29, 2021 —
S-4 Registration for a merger or exchange Jun 30, 2021 —
425 Filing Jun 22, 2021 —
8-K Current report
Material agreement, New debt, Unregistered share sale
Jun 21, 2021 Jun 17, 2021
425 8-k Jun 21, 2021 —
425 Filing Jun 17, 2021 —
425 Filing Jun 17, 2021 —
425 Filing Jun 17, 2021 —
425 Filing Jun 17, 2021 —
425 Filing Jun 17, 2021 —
8-K Current report
Material agreement, Regulation FD disclosure
Jun 17, 2021 Jun 17, 2021
425 8-k Jun 17, 2021 —
10-Q Quarterly report May 17, 2021 Mar 31, 2021
10-K/A Amended annual report May 17, 2021 Dec 31, 2020
8-K Current report
Restatement
Apr 30, 2021 Apr 29, 2021
10-K Annual report Mar 31, 2021 Dec 31, 2020
10-Q Quarterly report Nov 13, 2020 Sep 30, 2020

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Measuring & Controlling Devices, NEC (SIC 3829)
Listed as
MIR (NYSE)
Fiscal year ends
December 31
Headquarters
Atlanta, GA
SEC filer status
Large accelerated filer
SEC CIK
1809987
Former names
GS Acquisition Holdings Corp II (until Oct 19, 2021)

Other Measuring & Controlling Devices, NEC companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.