Form 4: Celestica CEO Mionis Reports Significant Share Transactions
Insider Transaction Report
Celestica Inc. CEO Robert Mionis reported the vesting of 86,709 restricted share units and subsequent share transactions, including tax withholding, on December 1, 2025.
Summary
- Celestica Inc. CEO Robert Mionis reported transactions involving common shares and restricted share units (RSUs).
- On December 1, 2025, 86,709 restricted share units (RSUs) vested and converted into common shares.
- Following the RSU conversion, 34,120 common shares were disposed of at a price of $344.41 per share to satisfy tax withholding obligations.
- After these transactions, Mionis directly beneficially owns 509,006 common shares of Celestica Inc.
- The RSUs originated from a grant of 260,126 units on January 31, 2023, which vest ratably over a three-year period.
Sentiment
Score: 5
Explanation: The filing reports a routine executive compensation event (RSU vesting and tax withholding) and does not contain information that would significantly alter the company's outlook or financial health.
Positives
- The vesting of 86,709 Restricted Share Units (RSUs) indicates the achievement of performance or time-based conditions, reflecting positively on executive compensation structure.
- The conversion of RSUs into common shares increases the CEO's direct equity stake in the company, aligning his interests with shareholders.
Negatives
- 34,120 common shares were disposed of to cover tax withholding obligations, reducing the CEO's net share accumulation from the RSU vesting.
- The reported price of $344.41 for the disposed shares for tax withholding is notably high and could imply a significant tax liability or a specific valuation method.
Industry Context
This filing is a routine disclosure of executive compensation-related share transactions and does not provide broader industry context or trends.
Stakeholder Impact
- The transaction reflects the ongoing compensation structure for the CEO, aligning his interests with shareholders through equity ownership, albeit with a portion sold for tax purposes.
Key Dates
| Date | Description |
|---|---|
| 01/31/2023 | Grant date of 260,126 Restricted Share Units (RSUs) to Robert Mionis. |
| 12/01/2025 | Vesting and conversion of 86,709 Restricted Share Units into common shares, and subsequent disposition of 34,120 common shares for tax withholding. |
| 12/02/2025 | Date the Form 4 was signed by Samantha Graff, attorney-in-fact for Robert Mionis. |
Keywords
Celestica Inc., CLS, Robert Mionis, SEC Form 4, Insider Trading, Restricted Share Units, RSU Vesting, Executive Compensation, Share Transactions, Beneficial Ownership
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