Form 4: Mirion Legal Officer's RSU Tax Withholding
Insider Transaction Report
Mirion Technologies' Chief Legal Officer, Emmanuelle Lee, reported the disposition of 5,913 Class A Common Stock shares for tax withholding related to RSU vesting.
Summary
- Emmanuelle Lee, Chief Legal Officer of Mirion Technologies, Inc. (MIR), reported a transaction on December 27, 2025.
- The transaction involved the disposition of 5,913 shares of Class A Common Stock at a price of $23.76 per share.
- This disposition was a non-discretionary withholding by the Issuer to satisfy tax obligations associated with the vesting of previously granted restricted stock units (RSUs).
- Following this transaction, Emmanuelle Lee directly beneficially owns 78,727 shares of Class A Common Stock and 138,193 shares of Class B Common Stock.
- Additionally, 32,748 shares of Class B Common Stock are indirectly beneficially owned through the Lee Revocable Living Trust, where Emmanuelle Lee is a trustee and beneficiary.
Sentiment
Score: 5
Explanation: The filing reports a routine, non-discretionary administrative transaction related to executive compensation. It does not indicate any significant positive or negative operational or financial developments for the company, resulting in a neutral sentiment.
Positives
- The underlying event for the share disposition is the vesting of restricted stock units (RSUs), which represents earned compensation for the executive.
Negatives
- A reduction of 5,913 shares in direct beneficial ownership of Class A Common Stock, although this was a non-discretionary tax withholding.
Future Outlook
The filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategy.
Industry Context
This filing represents a routine insider transaction common in publicly traded companies where executives receive equity compensation. The withholding of shares for tax purposes upon RSU vesting is a standard practice across industries.
Comparison to Industry Standards
- The practice of withholding shares to cover tax obligations upon the vesting of restricted stock units (RSUs) is a widely accepted and standard procedure for executive compensation in public companies, aligning with common industry practices for managing equity awards.
Corporate Governance
| Change Type | Description | Effective Date | Impact Assessment |
|---|---|---|---|
| Policy Reference | The filing references an existing Issuer policy mandating share withholding for tax obligations upon RSU vesting, indicating a pre-established corporate governance framework for equity compensation. | NA | This policy ensures compliance with tax regulations for executive equity compensation and standardizes the process for managing RSU vesting. |
Related Party Transactions
- Emmanuelle Lee indirectly beneficially owns 32,748 shares of Class B Common Stock through the Lee Revocable Living Trust, where she and her spouse are trustees and beneficiaries. This constitutes a related party holding.
Stakeholder Impact
- Shareholders: Minimal direct impact as this is a routine, non-discretionary transaction for tax purposes related to executive compensation.
- Employees: No direct impact on the broader employee base, as this relates to a specific executive's equity compensation.
- Management: The Chief Legal Officer's compensation structure includes RSUs, which are vesting as planned, reflecting standard executive incentive programs.
Key Dates
| Date | Description |
|---|---|
| 12/27/2025 | Date of earliest transaction, involving the disposition of Class A Common Stock for tax withholding. |
| 12/29/2025 | Date the Form 4 was signed by Emmanuelle Lee. |
Keywords
Mirion Technologies, MIR, Form 4, insider transaction, stock withholding, RSU vesting, executive compensation, Class A Common Stock, Class B Common Stock
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