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Vaxart, Inc.·4

Mar 18, 9:44 PM ET

Lo Steven 4

4 · Vaxart, Inc. · Filed Mar 18, 2026

Research Summary

AI-generated summary of this filing

Updated

Vaxart (VXRT) CEO Steven Lo Receives Stock Awards (RSUs & Options)

What Happened Steven Lo, President, CEO and a director of Vaxart, received equity awards on March 16, 2026: 846,500 shares reported as an award (RSUs) and 1,543,000 shares reported as a derivative award (stock option grant). Both grants are reported at $0.00 (no cash paid); combined, the awards cover 2,389,500 shares. This filing records grant/award activity (not an open-market purchase or sale).

Key Details

  • Transaction date: 2026-03-16; Form 4 filed 2026-03-18 (timely filing).
  • Award amounts and reported price: 846,500 shares @ $0.00 (RSU award); 1,543,000 derivative shares @ $0.00 (option grant). Total = 2,389,500 shares.
  • Shares owned after transaction: Not specified in the provided excerpt of the filing.
  • Footnotes: F1 relates to the RSU award vesting schedule; F2 describes the option vesting schedule.
  • Transaction code: A (award/grant).

Context

  • RSU vesting (per F1): 25% of the RSUs vest on each anniversary of the vesting commencement date of March 16, 2026, with the award fully vested on the fourth anniversary (March 16, 2030).
  • Option vesting (per F2): 25% of the option shares vest on March 16, 2027 (first anniversary), then the remainder vests in 36 equal monthly installments, with full vesting on March 16, 2030. The filing shows grant awards rather than exercises or sales; no immediate cashless exercise or sale is indicated.

Insider Transaction Report

Form 4
Period: 2026-03-16
Vaxart, Inc.VXRT
Lo Steven
DirectorPresident, Chief Exec Officer
Transactions
  • Award

    Common Stock

    [F1]
    2026-03-16+846,500→ 2,634,059 total
  • Award

    Stock Option (right to buy)

    [F2]
    2026-03-16+1,543,000→ 1,543,000 total
    Exercise: $0.68Exp: 2036-03-16→ Common Stock (1,543,000 underlying)
Holdings

  • Common Stock

    (indirect: By Trust)
    100,000
Footnotes (2)
  • [F1]Grant of shares upon vesting of restricted stock units. 25% of the shares underlying the award shall vest on each anniversary of the vesting commencement date of March 16, 2026, so that the restricted stock units would be fully vested on the fourth anniversary of the vesting commencement date.
  • [F2]The shares subject to this stock option shall vest as to 25% of the shares underlying the grant on March 16, 2027, the first anniversary of the date that vesting commenced, and thereafter in 36 equal monthly installments such that the stock option shall be fully vested on March 16, 2030.
Signature
/s/ Edward Berg, Attorney-in-Fact|2026-03-18

Documents

1 file
  • 4
    rdgdoc.xmlPrimary

    FORM 4