NAUT EFFECT: SEC filing
Nautilus Biotechnology, Inc.
Filed with the SEC on · accession 9999999995-26-003012
NAUT filed a EFFECT (effect) with the SEC on Sep 18, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -0.6% by the first close after the filing.
Summary of the filing
Nautilus Biotechnology, Inc. filed an EFFECT notice with the SEC, indicating that a previously filed registration statement has become effective.
Key details
How NAUT stock reacted
Close before
$0.97
Sep 17, 2026
First close after
-0.59%
$0.97
5 trading days
+1.93%
$0.99
Since filing
+129.49%
$2.23
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Click hereFrequently asked questions
What did NAUT file with the SEC on Sep 18, 2026?
NAUT filed a EFFECT (SEC filing). Nautilus Biotechnology, Inc. filed an EFFECT notice with the SEC, indicating that a previously filed registration statement has become effective.
How do I read a EFFECT?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A EFFECT (effect): A report the company filed with the SEC (the US market regulator).
How did NAUT stock react to this filing?
NAUT closed at $0.97 before the filing and $0.97 on Sep 18, 2026 (-0.59%). Five trading days later: $0.99 (+1.93%).
Other NAUT SEC filings
- SCHEDULE 13D/A · Insider sale plannedNov 3, 2026
- 10-Q · SEC filingOct 27, 2026
- 8-K · SEC filingOct 27, 2026
- S-3 · Shelf registrationSep 11, 2026
- SCHEDULE 13D/A · Activist campaignSep 11, 2026
- 8-K · Secondary offeringSep 11, 2026
- SCHEDULE 13D/A · SEC filingAug 28, 2026
- SCHEDULE 13D/A · SEC filingAug 14, 2026
- 10-Q · SEC filingJul 28, 2026
- 8-K · Guidance raiseJul 28, 2026
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