Form 4: Vaxart CSO Sells Shares for Tax Obligations

Vaxart's Chief Scientific Officer, Sean Tucker, disposed of 8,072 common shares to cover tax obligations related to vested restricted stock units.

Summary

• Sean Tucker, SVP, Chief Scientific Officer of Vaxart, Inc. (VXRT), reported a transaction on March 18, 2026.
• The transaction involved the disposition of 8,072 shares of common stock at a price of $0.6346 per share.
• These shares were withheld by Vaxart to satisfy income tax withholding and remittance obligations in connection with the net settlement of Restricted Stock Units (RSUs) that vested on March 18, 2026.
• Following this transaction, Sean Tucker directly beneficially owns 923,153 shares of common stock.
• Additionally, Sean Tucker indirectly beneficially owns 51,465 shares by joint tenancy with Frances Chang and Sean Tucker, and 9,060 shares by spouse.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this transaction as neutral. It represents a routine, non-discretionary sale of shares to cover tax obligations upon RSU vesting, which does not reflect a change in management's confidence or the company's fundamentals.

Future Outlook

This Form 4 filing does not contain any forward-looking statements or guidance regarding Vaxart's future performance or strategic direction.

Industry Context

StockSavvy.ai notes that this transaction is a routine insider filing, common for executives whose compensation includes Restricted Stock Units (RSUs). When RSUs vest, a portion of the shares is typically withheld by the company to cover the executive's tax liabilities, rather than the executive having to sell shares on the open market or pay taxes out-of-pocket. This is a standard practice across various industries for equity compensation.

Stakeholder Impact

• Shareholders: Minimal direct impact as this is a routine, non-discretionary tax-related sale by an executive, not indicative of a change in company outlook or executive confidence.
• Employees: No direct impact mentioned.

Key Dates

Recommendation

This Form 4 reports a routine, non-discretionary sale of shares by an executive to cover tax obligations associated with RSU vesting. Such transactions are common and do not typically signal a change in the company's fundamental prospects or the executive's long-term view. Therefore, a seasoned investor would likely maintain their current position, as this event does not provide new information warranting a change in investment strategy.

Keywords

Vaxart, VXRT, Form 4, Insider Transaction, Stock Sale, Tax Withholding, RSU, Sean Tucker, Executive Compensation