NAUT dilution watch: offerings and filings
NAUT (Nautilus Biotechnology, Inc.) filed a new prospectus supplement (424B) on Friday, September 18, 2026 (S-3). Below is every offering event for the name in the last 60 days, newest first, and its Momo Meter alert history: 62 alerts in 90 days, last Oct 21, 9:59 AM.
| Date | Event | Momo Meter alerts, 90 days |
|---|---|---|
| Sep 18, 2026 | New 424B filed a new prospectus supplement (424B), S-3, shelf, at the market | 62 last Oct 21, 9:59 AM |
| Sep 11, 2026 | New filing filed a new registration, S-3 | 62 last Oct 21, 9:59 AM |
A registration (S-1 or S-3) is permission to sell new shares later; effective means the SEC cleared it; a pricing or a 424B supplement means shares are being sold now; an MEF adds shares to a sale in progress. New shares sold into the market dilute existing holders.