Information Technology · Measuring & Controlling Devices, NEC

MIR Mirion Technologies, Inc. SEC Filings & Insider Trading Activity 2026

company
CIK 180998780 filings
Russell 2000

MIR at a glance

Mirion Technologies, Inc. (MIR, SEC CIK 1809987) filed its latest 10-K annual report on February 19, 2026, a 10-Q quarterly report on July 29, 2026, an 8-K current report on August 31, 2026 and Form 4 insider filings as recently as September 30, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended December 31, 2025 (FY2025), Mirion Technologies, Inc. (MIR) reported revenue of $925.4 million (up 7.5% from FY2024) and net income of $28.8 million. Diluted EPS was $0.11.
  • As of June 30, 2026, 33 institutional investment managers tracked by SignalX reported holding Mirion Technologies, Inc. (MIR) shares worth $2.2 billion in 13F-HR filings.
  • The most recent insider open-market purchase reported on Form 4 was by Schopfer Brian on September 2, 2026 of 20,000 shares at $15.60 per share.
  • In the last 90 days, MIR insiders reported 1 open-market purchase ($312K) and 0 open-market sales ($0) on Form 4, a net purchase of $312K.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2025
$925.4M
+7.5% vs prior year
Insiders · 90 days
1 buy · 0 sells
Net +$312K
13F holders
33 funds
$2.2B · +2 vs prior quarter
Latest 8-K
Aug 31, 2026
Item 8.01

AI 10-K Annual Report Analysis

Latest 10-K, fiscal year ended Dec 31, 2025

Full analysis →

Business Overview

  • Core business model: global provider of radiation detection, measurement, analysis, and safety solutions for nuclear power and medical markets
  • New emphasis on digital-forward solutions with Vital Platform launch and integration of Paragon HIPS and ec2 software suites in 2025
  • Strategic shift includes expansion into regulatory compliance and broader energy power markets via 2025 acquisitions of Certrec and Paragon
  • Notable metric: R&D and engineering staff total 534, with ~150 new engineers/technicians from Paragon acquisition in 2025
  • Unique 2025 collaboration agreement with International Atomic Energy Agency (IAEA) for radiation detection and measurement cooperation

Risk Factors

  • Regulatory risk from OECD Pillar Two global minimum tax effective 2025, potentially impacting cash taxes and effective tax rate
  • Geopolitical exposure with $103.2M backlog, $15.8M receivables, and $13M guarantees tied to Russian projects amid sanctions and Ukraine conflict
  • Operational risk from fixed-price nuclear new build contracts with $1.1B remaining performance obligations, vulnerable to cost underestimation and inflation
  • Competitive risk from Paragon acquisition ($588.4M) enhancing presence against US nuclear power market entrants and small modular reactor developers
  • Financial risk from increased debt service costs after $400M 0.25% convertible notes issuance and $244.6M term loan repayment extending maturity to 2032

Management Discussion & Analysis

  • No segment performance or financial results mentioned
  • Forward-looking risks: geopolitical, government budgets, supply chain, IT security, AI use, and tax laws detailed
  • No explicit guidance or outlook given, focus on potential risks and uncertainties affecting future performance

AI summary of the MIR 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K

AI 10-Q Quarterly Report Analysis

Latest 10-Q, quarter ended Jun 30, 2026

Management Discussion & Analysis

  • Quarterly revenue $266.8M vs $222.9M YoY, up $43.9M
  • Gross margin 49.9% vs 46.0% YoY; operating margin 6.7% vs 4.4%
  • Best segment Nuclear & Safety revenue $186.2M vs $141.7M; Medical revenue $80.6M vs $81.2M
  • Net income $8.1M vs $8.5M; adjusted EBITDA $65.3M vs $51.2M
  • Backlog $1,138.6M vs $1,104.3M at December 31, 2025; headwinds from tariffs, China competition, inflation, and geopolitical disruption

Risk Factors

  • New AI risk: evolving U.S. and EU regulations, including the EU AI Act, may impose additional governance and reporting obligations
  • Most materially updated geopolitical risk: international revenue exposure reached 32.9% of quarterly net sales, increasing tariff and trade-control sensitivity
  • Regulatory risk: AI tools may trigger privacy, intellectual-property, cybersecurity, product-liability, or securities enforcement actions
  • Operational risk: China localization requirements could increase costs, delay sales, or reduce equipment demand
  • Market risk: geopolitical tensions and trade wars may disrupt customer spending, project timing, and product demand

AI summary of the MIR 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K

AI 8-K Current Report Analysis

The most recent material events, by 8-K item

Filed Aug 31, 2026Full analysis →

Item 8.01: Other Events

  • New $250 million Class A share repurchase authorization effective August 31, 2026 through August 31, 2031
  • Approximately 2.6 million shares repurchased for $40 million in Q3 2026
Filed Jul 28, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Fiscal quarter ended June 30, 2026 results announced on July 28, 2026
  • Detailed financial results and management commentary contained in Exhibit 99.1

Item EX-99.1: Item EX-99.1

  • Q2 revenue rose 19.7% to $266.8M, while Adjusted EBITDA increased 27.5% to $65.3M
  • Adjusted EBITDA margin expanded to 24.5% from 23.0%, signaling operating leverage across both segments
Filed Jul 2, 2026Full analysis →

Item 5.02: Departure/Appointment of Directors or Principal Officers

  • Loïc Eloy remains President, Nuclear & Safety Group and continues reporting to CEO Thomas D. Logan
  • U.S. expatriation assignment begins after work authorization, initially 12 months and extendable up to 36 months

AI summaries of MIR 8-K current reports filed with the SEC. What 8-K item codes mean

SignalX for MIR

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  • Fund moves. Which tracked funds opened, added or cut MIR, by share count.
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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
Kingsley Lawrence DASep 30, 2026$14.34
Markopoulos JodyASep 30, 2026$14.34
Schopfer BrianBuySep 2, 2026$15.60
Kingsley Lawrence DAJun 30, 2026$17.46
Markopoulos JodyAMay 13, 2026-
Bockhorst KennethAMay 13, 2026-
KUO JOHN WAMay 13, 2026-
Bockhorst KennethAMay 13, 2026-

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
Profitability
Revenue-$860.8M$925.4M
Gross Profit-$399.7M$438.6M
Operating Income-$24.8M$51.5M
Net Income--$36.1M$28.8M
Gross Margin-46.4%47.4%
Op. Margin-2.9%5.6%
Net Margin--4.2%3.1%
Balance Sheet
Total Assets$2.7B$2.6B$3.6B
Equity-$1.5B$1.9B
ROE--2.4%1.5%
Per Share
EPS-$-0.18$0.11
Cash Flow
Operating CF-$99.1M$143.3M
CapEx$37.1M$48.8M$36.4M

Source: XBRL data in Mirion Technologies, Inc. (MIR)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate MIR share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
MIR shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202633$2.20B
Q1 202631$2.34B
Q4 202527$2.83B
Q3 202529$2.72B
Q2 202530$1.57B
Q1 202524$707.7M
Q4 202422$794.2M
Q3 202415$190.9M
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
New Positions
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 211 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

MIR filing archive

AI analysis pages for each 10-K, 10-Q and 8-K

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
4Sep 30, 2026--
4Sep 30, 2026--
4Sep 2, 2026--
8-KAug 31, 2026Analysis-
10-QJul 29, 2026Analysis
8-KJul 28, 2026Analysis-
8-KJul 2, 2026Analysis-
4Jun 30, 2026--
8-KMay 14, 2026Analysis
4May 14, 2026-
4May 14, 2026-
4May 14, 2026-
4May 14, 2026-
4May 14, 2026-
4May 14, 2026-
4May 14, 2026-
4May 8, 2026-
4May 7, 2026-
SC 13GApr 30, 2026-
SC 13GApr 29, 2026-
10-QApr 29, 2026Analysis
8-KApr 28, 2026Analysis-
8-KApr 13, 2026Analysis-
4Apr 2, 2026--
4Apr 2, 2026--

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MIR SEC filings: frequently asked questions

Are MIR insiders buying or selling?

In the last 90 days, Mirion Technologies, Inc. (MIR) officers, directors and 10% owners reported 1 open-market purchase worth $312,000 by 1 insider and no open-market sales on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.

Which institutions hold MIR stock?

As of June 30, 2026, the largest Mirion Technologies, Inc. (MIR) holders among the 13F filers tracked by SignalX were BlackRock ($686.0 million), Vanguard Portfolio Management LLC ($326.0 million), Vanguard Capital Management LLC ($190.3 million), Goldman Sachs Group ($186.6 million), State Street Corp ($177.9 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What was MIR's revenue in fiscal year 2025?

For the fiscal year ended December 31, 2025 (FY2025), Mirion Technologies, Inc. (MIR) reported revenue of $925.4 million (up 7.5% from FY2024) and net income of $28.8 million. Diluted EPS was $0.11. The figures come from the XBRL data in the 10-K.

What are the main risks in MIR's latest 10-K?

In the 10-K filed February 19, 2026, Mirion Technologies, Inc. (MIR) flagged: Regulatory risk from OECD Pillar Two global minimum tax effective 2025, potentially impacting cash taxes and effective tax rate. Geopolitical exposure with $103.2M backlog, $15.8M receivables, and $13M guarantees tied to Russian projects amid sanctions and Ukraine conflict. (AI summary of the Risk Factors section.)

What did MIR report in its latest 8-K?

Mirion Technologies, Inc. (MIR) filed an 8-K on August 31, 2026 reporting Item 8.01 (Other Events). New $250 million Class A share repurchase authorization effective August 31, 2026 through August 31, 2031.

What are the latest MIR SEC filings?

Mirion Technologies, Inc. (MIR) filed its latest 10-K annual report on February 19, 2026, a 10-Q quarterly report on July 29, 2026, an 8-K current report on August 31, 2026 and a Form 4 insider filing on September 30, 2026.

What is MIR's SEC CIK number?

Mirion Technologies, Inc. (MIR)'s SEC Central Index Key (CIK) is 1809987. EDGAR lists every MIR filing under that number.

Ask anything about MIR

The research agent reads MIR's filings, financials, insider trades and 13F holders, then answers with sources.