8-K current report · filed Apr 13, 2026

Mirion Technologies, Inc. (MIR) 8-K Current Report: April 13, 2026

Item 5.02Item EX-99.1MIR overview

Short answer

Mirion Technologies, Inc. (MIR) filed an 8-K current report with the SEC on April 13, 2026 reporting Item 5.02 (Departure/Election of Directors or Officers), Item EX-99.1 (Exhibit EX-99.1). CEO Thomas Logan received a target grant of 2,500,000 performance-vesting stock options.

Mirion Technologies, Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 5.02 · Departure/Election of Directors or Officers

  • CEO Thomas Logan received a target grant of 2,500,000 performance-vesting stock options
  • Seven-year award tied to continued service and relative TSR versus the Russell 2000
  • Vesting measured across equally weighted three- and four-year performance periods
  • Relative TSR payout threshold begins at the 60th percentile and ranges from 0% to 150%
  • Non-cash compensation charges expected in guidance accompanying the next earnings release

Item EX-99.1 · Exhibit EX-99.1

  • CEO Thomas D. Logan received 2.5 million performance stock options at a $20.14 exercise price
  • Maximum award reaches 3.75 million shares, representing 150% of target upon maximum performance
  • Vesting tied to relative TSR versus Russell 2000 companies, with payouts from 0% below 60th percentile to 150% at 90th percentile
  • Tranche I and II measure performance over three and four years, respectively, extending shareholder-aligned execution incentives
  • Shares remain sale-restricted for one year after becoming earned and vested, limiting near-term executive liquidity

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