Form 4: CFO Mackaness Tax Withholding on RSU Vesting

Solenos Therapeutics CFO James Mackaness reported a disposition of 2,013 shares for tax withholding related to RSU vesting on December 15, 2025.

Summary

• James H. Mackaness, Chief Financial Officer of Soleno Therapeutics Inc. (SLNO), reported a transaction.
• On December 15, 2025, 2,013 shares of Common Stock were disposed of.
• This disposition was for tax withholding obligations related to the settlement of Restricted Stock Units (RSUs) that vested on the same date.
• The shares were valued at $49.95 per share for the purpose of this transaction.
• Following this transaction, Mr. Mackaness beneficially owns 103,163 shares of Common Stock directly.
• A portion of these beneficially owned securities are RSUs, which represent a contingent right to receive one share of Common Stock upon vesting.

Sentiment

Score: 5

Explanation: Neutral. This is a routine insider transaction for tax withholding upon RSU vesting, which is neither positive nor negative for the company's operational or financial performance.

Positives

• Restricted Stock Units (RSUs) vested for the CFO, indicating the realization of equity compensation.

Negatives

• No direct negatives identified; the transaction is a routine tax withholding.

Risks

• NA

Future Outlook

NA

Industry Context

This Form 4 filing details a routine insider transaction related to equity compensation, common across publicly traded companies in various industries, including biotechnology. It reflects standard practice for executives to cover tax liabilities upon the vesting of restricted stock units.

Comparison to Industry Standards

• The tax withholding transaction upon RSU vesting is a standard practice for executive compensation in publicly traded companies, aligning with typical industry norms for managing equity awards. No specific comparable companies or projects are relevant for this type of routine disclosure.

Related Party Transactions

• The disposition of shares by the Chief Financial Officer to the Issuer for tax withholding purposes related to RSU vesting is a routine related-party transaction inherent in executive equity compensation plans.

Stakeholder Impact

• Shareholders: Minimal direct impact as it's a routine tax-related disposition, not a discretionary sale. It slightly increases the public float by a small number of shares.
• Employees: The vesting of RSUs and subsequent tax withholding is a standard part of executive compensation, indicating the realization of long-term incentives.

Key Dates

Keywords

SOLENO THERAPEUTICS, SLNO, James Mackaness, CFO, Form 4, Insider Transaction, Restricted Stock Units, RSU, Tax Withholding, Equity Compensation