Sujal M. Patel - 04 Mar 2026 Form 4 Insider Report for Nautilus Biotechnology, Inc. (NAUT)

Reporting relationship: CEO, President, and Secretary, Director, 10%+ Owner
Issuer ticker: NAUT
Reported as of: 04 Mar 2026
Net transaction value: +$65,238
SEC form: 4
Accepted by SEC: 04 Mar 2026, 18:37:20 UTC
Prior SEC filing: 04 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Matthew Murphy, as Attorney-in-Fact

Key filing fact

Sujal M. Patel filed Form 4 for Nautilus Biotechnology, Inc. (NAUT) on 04 Mar 2026.

Key facts

This page summarizes Sujal M. Patel's Form 4 filing for Nautilus Biotechnology, Inc. (NAUT).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 04 Mar 2026, 18:37.

Change

Previous filing in this sequence was filed on 04 Mar 2026.
Current net transaction value: +$65,238.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001378830 Primary reporting owner

Patel Sujal M

Relationship: CEO, President, and Secretary, Director, 10%+ Owner
Address: C/O NAUTILUS BIOTECHNOLOGY, INC., 2701 EASTLAKE AVENUE EAST, SEATTLE
Signature: /s/ Matthew Murphy, as Attorney-in-Fact
Signature date: 04 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NAUT transaction

Common Stock

Purchase

Transaction value: $65,238
Shares: +25,000
Change %: +0.24%
Price: $2.61
Shares after: 10,366,721
Date: 04 Mar 2026
Ownership: Direct
Footnotes: F1

NAUT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,280,476
Date: 04 Mar 2026
Ownership: By PFV I, LLC
Footnotes: F2

NAUT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,814,035
Date: 04 Mar 2026
Ownership: By Sujal Patel 2020 Children's Trust, u/a/d December 3, 2020
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents the weighted average share price of an aggregate total of 25,000 shares purchased in the price range of $2.48 to $2.6095 by the reporting person. The reporting person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

Footnote F2

Shares held by PFV I, LLC. The reporting person is the manager of PFV I, LLC.

Footnote F3

Shares held by Sujal Patel 2020 Children's Trust, u/a/d December 3, 2020 (the "Patel Trust"). The reporting person and the reporting person's spouse are the trustees of the Patel Trust.