Vaxart, Inc.
VXRT- Exchange
- OTC
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0000072444
No open-market purchases or sales by Vaxart, Inc. insiders were filed in the last 90 days; 4 institutions reported holding it in 13F filings for Q2 2026, worth $39.0K in total; no superinvestor holds it.
Holders of 5% or more of VXRT
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Vaxart, Inc., largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Vaxart, Inc. on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on Vaxart, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 8, 20253:14 PM ET | Sio Capital Management, LLC | 13G | 2.45%5.58M shares | −2.61 ppfrom 5.06%Below 5% | Mar 31, 2025 | SEC |
| Feb 10, 202512:58 PM ET | Sio Capital Management, LLC | 13G | 5.06%11.5M shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Vaxart, Inc. shares.
No Form 144 notices for Vaxart, Inc. are on file.