Form 4: Mirion CFO Sells 100K Shares After Class B Conversion

Mirion Technologies' CFO, Brian Schopfer, converted 100,000 Class B shares to Class A and subsequently sold 100,000 Class A shares under a pre-arranged 10b5-1 plan.

Summary

• Brian Schopfer, Chief Financial Officer of Mirion Technologies, Inc., engaged in multiple transactions on November 6, 2025.
• Schopfer acquired 100,000 shares of Class A Common Stock through the redemption of 100,000 shares of Class B Common Stock of Mirion IntermediateCo, Inc.
• Concurrently, 100,000 shares of the Issuer's Class B Common Stock held by Schopfer were cancelled.
• Following this, Schopfer sold a total of 100,000 shares of Class A Common Stock in two separate transactions.
• The first sale involved 50,000 shares at a price of $27.6524 per share.
• The second sale involved 50,000 shares at a price of $27.656 per share.
• All reported transactions were executed pursuant to a Rule 10b5-1 trading plan adopted by Schopfer on August 7, 2025.
• After these transactions, Schopfer directly beneficially owns 904,432 shares of Class A Common Stock and 399,935 shares of Class B Common Stock.

Sentiment

Score: 5

Explanation: The sentiment is neutral. While insider selling can be viewed negatively, the execution under a pre-arranged 10b5-1 plan mitigates immediate concerns about management's confidence in the company's short-term prospects. It's a planned liquidity event.

Positives

• The transactions were executed under a pre-arranged Rule 10b5-1 trading plan, indicating a planned liquidity event rather than a reaction to new, adverse company-specific information.

Negatives

• A significant sale of 100,000 Class A common shares by a Chief Financial Officer could be perceived negatively by the market, potentially signaling a lack of confidence, even if pre-planned.

Risks

• Insider selling, even if pre-planned, can sometimes be interpreted by investors as a signal of potential future challenges or that the stock price may be nearing a peak.

Future Outlook

NA

Industry Context

This Form 4 filing reflects routine insider transaction disclosures and does not provide specific industry context or trends. Insider sales are common across industries for various personal financial planning reasons, especially when executed under a 10b5-1 plan.

Stakeholder Impact

• Shareholders: May interpret the insider sale as a negative signal, potentially leading to short-term price volatility, although the 10b5-1 plan context should temper concerns.

Key Dates

Recommendation

The sale of 100,000 Class A shares by the CFO, while significant, was executed under a pre-arranged 10b5-1 plan. This suggests a planned liquidity event rather than a reaction to new, adverse company information. Given the pre-planned nature, it does not necessarily indicate a change in the company's fundamental outlook or the CFO's long-term confidence. Investors should monitor future filings and company performance but avoid overreacting to this specific transaction.

Keywords

Mirion Technologies, MIR, Brian Schopfer, CFO, Insider Trading, Form 4, Stock Sale, Class A Common Stock, Class B Common Stock, 10b5-1 Plan, Beneficial Ownership