Form 4: Celestica CEO Mionis Reports Significant Share Transactions

Celestica Inc. CEO Robert Mionis reported the acquisition of common shares from vested performance and restricted share units, alongside dispositions for tax obligations.

Summary

• Robert Mionis, CEO and Director of Celestica Inc., reported multiple transactions involving common shares and derivative securities.
• On February 2, 2026, Mionis acquired 780,376 common shares at a price of $0, resulting from the conversion of Performance Share Units (PSUs).
• These PSUs were earned upon certification of pre-established performance parameters at 200% of the target, vesting on January 31, 2026.
• Also on February 2, 2026, Mionis disposed of 307,078 common shares at $280.99 to satisfy tax withholding obligations related to the vesting of PSUs or RSUs.
• An additional 33,684 common shares were acquired at $0 on February 2, 2026, from the vesting of Restricted Share Units (RSUs).
• A further 13,255 common shares were disposed of at $280.99 on February 2, 2026, for tax withholding purposes.
• On February 3, 2026, Mionis was granted 23,009 Restricted Share Units (RSUs) at a price of $0.
• Following these transactions, Mionis beneficially owns 1,002,733 common shares directly and 23,009 Restricted Share Units directly.
• The transactions were made pursuant to a contract, instruction, or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a moderately positive filing. The achievement of PSUs at 200% of target is a strong indicator of management's performance against key metrics, while the other transactions are routine compensation and tax-related events.

Positives

• Performance Share Units (PSUs) were earned at 200% of the pre-established performance target, indicating strong company performance against set metrics.
• The acquisition of 780,376 common shares from vested PSUs and 33,684 common shares from vested RSUs increases the CEO's direct ownership in the company, aligning management and shareholder interests.

Negatives

• A significant number of shares (307,078 and 13,255 common shares) were disposed of to cover tax withholding obligations, which is a common practice but reduces the immediate increase in direct share ownership.

Future Outlook

The reporting person was granted 23,009 RSUs on February 3, 2026, which are scheduled to vest ratably over a three-year period on the first and second anniversaries of the grant date and on December 1 following the second anniversary. Additionally, 101,052 RSUs granted on February 2, 2024, continue to vest ratably over a three-year period.

Industry Context

StockSavvy.ai notes that insider transactions, particularly those related to compensation and pre-scheduled plans like Rule 10b5-1, are common across industries. The achievement of performance targets at 200% for PSUs suggests strong operational execution within Celestica's specific business segments, which typically include electronics manufacturing services and supply chain solutions.

Stakeholder Impact

• Shareholders: The CEO's increased direct ownership (net of tax withholding) aligns his interests with those of shareholders. The achievement of 200% of PSU targets suggests strong performance, which could positively impact shareholder value.
• Employees: The compensation structure, including PSUs and RSUs, reflects the company's approach to executive incentives, potentially influencing broader employee compensation strategies and morale.

Next Steps

• Future vesting of the 101,052 RSUs granted on February 2, 2024, on their respective anniversary dates and December 1 following the second anniversary.
• Future vesting of the 23,009 RSUs granted on February 3, 2026, on their respective anniversary dates and December 1 following the second anniversary.

Key Dates

Recommendation

The filing details routine insider transactions related to executive compensation, including the vesting of performance and restricted share units and subsequent tax-related dispositions. While the achievement of performance targets at 200% is a positive indicator of operational success, these transactions are largely pre-scheduled under a Rule 10b5-1 plan and do not signal a discretionary change in the insider's view of the company's immediate prospects or fundamental value. Therefore, a 'hold' recommendation is appropriate as this filing does not present new information that would significantly alter an investment thesis.

Keywords

Celestica Inc., CLS, Robert Mionis, Form 4, Insider Trading, Performance Share Units, Restricted Share Units, Equity Compensation, Share Ownership, Rule 10b5-1