Vaxart, Inc. filings document a clinical-stage biotechnology issuer focused on oral recombinant pill vaccines and a common stock quoted on the OTCQX Best Market under the symbol VXRT. The company’s regulatory record includes financial-result 8-K reports, registration statements and registration-rights disclosures tied to common stock financing, and exhibits covering material agreements.
The filings also cover board appointments and independence determinations, lease terminations and facility changes, capital structure items, revenue categories such as government contract and collaboration revenue, and formal market-status records, including a Form 25 for removal of the common stock from Nasdaq listing and registration.
Vaxart, Inc. disclosed a change in its facilities in South San Francisco. The company amended its Utah Avenue lease to add two additional suites totaling approximately 3,531 rentable square feet, beginning on May 14, 2026, with a 36‑month term.
Separately, a previously signed termination agreement will end Vaxart’s Harbor Way headquarters lease, which covers approximately 24,606 rentable square feet, effective May 15, 2026. Together, these steps shift the company’s leased footprint from its former Harbor Way headquarters toward additional space on Utah Avenue.
Vaxart, Inc. entered into a share purchase agreement with Lincoln Park Capital that allows Vaxart, at its discretion, to sell up to $25.0 million of common stock over a 24‑month period once a resale registration statement is effective.
Vaxart can direct Lincoln Park to buy up to 150,000 shares per trading day, with higher share caps at higher stock prices, subject to a $500,000 daily limit and pricing set at 97% of specified market prices. Vaxart will issue 447,067 commitment shares as consideration and the agreement limits Lincoln Park’s ownership to 4.99%, includes no warrants or participation rights, and prohibits Lincoln Park from short selling the stock.
Vaxart, Inc. filed a shelf registration to offer up to $300,000,000 of various securities and a related prospectus supplement for an at-the-market facility to sell up to $49,772,479 of common stock through Citizens JMP Securities, LLC and B. Riley Securities, Inc. under a Sales Agreement. The base prospectus allows multiple security types (common, preferred, debt, warrants, purchase contracts, units) to be offered from time to time. The prospectus states $300,000,000 aggregate capacity and notes $49,772,479 specifically allocated to the Sales Agreement; if unsold under the Sales Agreement, those shares may be sold under the base prospectus. The company reports 241,414,053 shares of common stock outstanding and a closing sale price of $0.63 on April 10, 2026. The prospectus emphasizes typical shelf qualifiers: supplements will set offering-specific terms and investors should read risk factors and incorporated reports.
Vaxart, Inc. SVP and Chief Scientific Officer Sean Tucker reported a routine tax-related share disposition tied to vested RSUs. On March 28, 2026, 3,924 shares of common stock were withheld by the company at $0.65 per share to cover income tax obligations. After this, Tucker held 882,811 common shares directly, plus 51,465 shares in joint tenancy with Frances Chang and 9,060 shares held by his spouse, both reported as indirect ownership.
Vaxart, Inc. Chief Medical Officer James F. Cummings reported a routine tax-withholding transaction involving company stock. On March 28, 2026, 3,292 shares of Common Stock were withheld by Vaxart at $0.65 per share to cover income tax obligations from vested RSUs.
After this withholding, Cummings directly holds 924,177 shares of Vaxart common stock, including 75,618 shares acquired under the Vaxart, Inc. 2022 Employee Stock Purchase Plan. This event reflects tax settlement on equity compensation rather than an open-market sale.
Vaxart, Inc. executive Edward B. Berg, SVP and General Counsel, reported a tax-related share disposition tied to restricted stock units. On the RSU vesting date, 36,418 shares of common stock at $0.694 per share were withheld by the company to satisfy income tax obligations, rather than sold in the open market. After this withholding, Berg directly holds 755,368 common shares, including 70,781 shares previously acquired under Vaxart’s 2022 Employee Stock Purchase Plan.
Vaxart, Inc.’s Chief Medical Officer, James F. Cummings, reported a routine tax-related share disposition. On March 24, 2026, 30,551 shares of common stock were withheld by the company at $0.694 per share to cover income tax obligations from vested RSUs. After this withholding, he directly holds 927,469 common shares, which includes 75,618 shares acquired under Vaxart’s 2022 Employee Stock Purchase Plan. This event reflects compensation-related tax settlement rather than an open-market sale.
Vaxart, Inc. President and CEO Steven Lo reported a tax-related share disposition tied to restricted stock units (RSUs). On March 24, 2026, 126,028 shares of common stock were withheld by the company to satisfy income tax withholding and remittance obligations upon RSU vesting, rather than sold in the open market.
Following this withholding, Lo directly holds 2,485,606 shares of Vaxart common stock and indirectly holds 100,000 shares through the Lo Family Trust. The filing reflects routine equity compensation and associated tax treatment rather than a discretionary buy or sell decision.
Vaxart, Inc. SVP and Chief Scientific Officer Sean Tucker reported a tax-withholding share disposition related to vested RSUs. On March 24, 2026, 36,418 shares of common stock were withheld by the company at $0.694 per share to cover income tax obligations on RSUs that vested that day.
After this non-market, tax-related disposition, Tucker directly holds 886,735 shares. He also has indirect holdings of 51,465 shares in joint tenancy with Frances Chang and 9,060 shares held by his spouse, as reflected in the filing’s ownership entries.
Vaxart, Inc. reported an insider equity transaction by SVP and General Counsel Edward B. Berg related to tax withholding on vested stock awards. On March 18, 2026, 8,072 shares of common stock were disposed of at $0.6346 per share to satisfy income tax withholding obligations in connection with the net settlement of RSUs that vested on that date. This was not an open-market sale but a routine, issuer-withheld share disposition for taxes. Following the transaction, Berg directly held 791,786 common shares, which includes 70,781 shares acquired under Vaxart’s 2022 Employee Stock Purchase Plan.