Form 4: MOBX Insider Sells Shares for Tax Obligations

MOBIX LABS President and CFO, Keyvan Samini, sold 211,672 Class A Common Stock shares to cover tax liabilities from vested Restricted Stock Units.

Summary

• Keyvan Samini, President, CFO, and Director of MOBIX LABS, INC. (MOBX), reported transactions involving the company's Class A Common Stock.
• On December 21, 2025, 333,333 Restricted Stock Units (RSUs) vested and converted into Class A Common Stock.
• On January 5, 2026, Samini disposed of 211,672 shares of Class A Common Stock at a weighted average price of $0.3243 per share.
• This sale was a 'sell to cover' transaction, solely intended to satisfy tax withholding obligations associated with the vested RSUs and was not a discretionary trade.
• Following these transactions, Samini directly beneficially owns 2,671,661 shares of Class A Common Stock.
• Samini also holds indirect beneficial ownership of Class A Common Stock through KSLI Trust (73,529 shares), KSSF Trust (171,146 shares), and SSLI Trust (73,529 shares), disclaiming beneficial ownership except for pecuniary interest.
• Samini holds 323,529 fully vested options to buy Class A Common Stock at an exercise price of $0.17, expiring on August 10, 2030.
• A previously reported grant of 915,033 shares of Class B Common Stock was determined to be unauthorized under the Company's charter and has been removed from the reporting person's holdings.
• Samini indirectly holds 125,000 shares of Class B Common Stock through KSSF Trust, which are convertible to Class A Common Stock.

Sentiment

Score: 4

Explanation: The sentiment is slightly negative due to the disclosure of an unauthorized Class B Common Stock grant, which points to a governance oversight. The 'sell to cover' transaction is neutral as it's non-discretionary.

Positives

• The vesting of 333,333 Restricted Stock Units indicates a successful milestone for executive compensation.
• Options to buy 323,529 shares of Class A Common Stock are fully vested and exercisable, providing future potential upside.

Negatives

• The disposition of 211,672 shares, even for tax purposes, reduces the direct insider ownership in the company.
• A previously reported grant of 915,033 shares of Class B Common Stock was determined to be unauthorized, indicating a governance oversight or error in the company's equity grant process.

Risks

• The unauthorized issuance of Class B Common Stock raises questions about internal controls and corporate governance related to equity awards.
• While the sale was for tax purposes, any insider selling can be perceived negatively by investors, potentially impacting market sentiment.

Future Outlook

The filing primarily reports past transactions and does not provide explicit forward-looking statements or guidance beyond the expiration date of options and the future conversion terms of Class B Common Stock.

Management Comments

• The reported shares were sold solely to cover the Reporting Person's tax liability associated with the restricted stock units that vested on December 21, 2025.
• These sales were made pursuant to an irrevocable election by the Reporting Person to satisfy tax withholding obligations through 'sell to cover' transactions and do not represent discretionary trades by the Reporting Person.

Industry Context

This Form 4 filing is a routine disclosure of insider transactions, common across publicly traded companies. 'Sell to cover' transactions for tax obligations on vested equity awards are standard practice for executives and generally not indicative of a change in sentiment towards the company, though the unauthorized Class B stock grant is an unusual governance issue.

Comparison to Industry Standards

• The 'sell to cover' transaction for tax purposes is a common and accepted practice for executive compensation in the industry, aligning with standard tax planning for equity awards.
• The disclosure of an unauthorized equity grant, while corrected, is not standard and suggests a deviation from best practices in corporate governance and internal controls for equity issuance, unlike well-governed peers.

Corporate Governance

Related Party Transactions

• Keyvan Samini is a trustee of KSLI Trust, KSSF Trust, and SSLI Trust, which hold Class A Common Stock and Class B Common Stock. He disclaims beneficial ownership of these securities except to the extent of his pecuniary interest.

Stakeholder Impact

• Shareholders may view the 'sell to cover' transaction as a routine event, but the disclosure of an unauthorized stock grant could raise concerns about corporate governance and internal controls.
• The correction of the unauthorized Class B stock grant demonstrates the company's commitment to compliance, albeit after an initial error.

Next Steps

• The Class B Common Stock held indirectly will automatically convert to Class A Common Stock upon a transfer (other than a permitted transfer) or on the first trading day after the seventh anniversary of the Closing Date (December 21, 2023).

Key Dates

Recommendation

While the insider's share sale was non-discretionary for tax purposes, the disclosure of an unauthorized Class B Common Stock grant is a notable governance issue. This raises questions about internal controls and compliance, warranting a 'hold' recommendation until further clarity or corrective actions are demonstrated, despite the correction being reported.

Keywords

MOBX, Insider Transaction, Form 4, Stock Sale, Restricted Stock Units, Executive Compensation, Corporate Governance, Tax Liability, Class A Common Stock, Class B Common Stock