NAUT

Nautilus Biotechnology, Inc.$2.23-0.06 (-2.54%)

Prev Close$2.29·MCap$303.7M·P/E—·Vol325.5K·Yield—

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Buys (12M)

$12.9K

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Sells (12M)

$11.75M

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Net Activity

Net Seller

$11.74M

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at Nautilus Biotechnology, Inc. (NAUT) has been dominated by selling, with 1 insider purchase totaling $12.9K and 1 insider sale totaling $11.75M. The most recent insider transaction was by AH Equity Partners Bio II, L.L.C. (10 percent owner), who sold $11.75M worth of shares on Jun 4, 2026. Nautilus Biotechnology, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $303.7M.

NAUT Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jun 4, 2026	AH Equity Partners Bio II, L.L.C.	10 percent owner	Sell	5,000,000	$2.35	$11.75M3.9% OS	11,682,032-30%
Sep 4, 2025	Murphy Matthew B.	General Counsel	Buy	20,000	$0.64	$12.9K	0
Jun 2, 2025	Mowry Anna	CFO and Treasurer	Buy	15,000	$0.77	$11.5K	83,000
May 12, 2025	Mallick Parag	Chief Scientist	Buy	13,500	$0.73	$9.9K	20,493,392
Mar 21, 2025	Patel Sujal M	CEO, President, and Secretary	Buy	77,233	$1.00	$76.9K	10,141,721
Sep 25, 2024	Godwin Mary E.	Senior VP, Operations	Sell	47,031	$2.86	$134.7K	0Exit
Sep 18, 2024	Godwin Mary E.	Senior VP, Operations	Sell	35,000	$2.85	$99.9K	0Exit
Mar 11, 2024	Patel Sujal M	CEO, President, and Secretary	Buy	14,474	$2.87	$41.5K	10,064,488
Mar 7, 2024	Patel Sujal M	CEO, President, and Secretary	Buy	35,526	$2.79	$99.1K	10,050,014
Sep 28, 2022	Sankar Subramanian	Senior VP, Product Development	Buy	15,000	$2.03	$30.4K	91,250
Sep 26, 2022	Weld Gwen E	Chief People Officer	Buy	30,000	$2.03	$60.8K	30,000
Sep 19, 2022	Sankar Subramanian	Senior VP, Product Development	Buy	75,000	$2.18	$163.2K	75,000
Aug 22, 2022	Mowry Anna	CFO and Treasurer	Buy	17,500	$2.30	$40.2K	56,750+45%
Aug 16, 2022	Murphy Matthew B.	General Counsel	Buy	10,000	$2.84	$28.4K	54,140
Aug 8, 2022	Patel Sujal M	CEO, President, and Secretary	Buy	50,000	$2.92	$146.1K	10,014,488
Jun 28, 2022	Mowry Anna	CFO and Treasurer	Buy	5,500	$2.75	$15.1K	39,250
May 10, 2022	Patel Sujal M	CEO, President, and Secretary	Buy	50,000	$3.96	$198.0K	9,964,488
Mar 4, 2022	Patel Sujal M	CEO, President, and Secretary	Buy	50,000	$3.60	$179.9K	9,914,388
Dec 10, 2021	PERCEPTIVE ADVISORS LLC	Director	Buy	200,000	$5.36	$1.07M	9,111,151
Dec 2, 2021	Patel Sujal M	CEO, President, and Secretary	Buy	250,000	$4.72	$1.18M	9,864,388
Dec 1, 2021	Posard Matthew L.	Director	Buy	50,000	$4.51	$225.5K	50,000
Nov 24, 2021	Mowry Anna	CFO and Treasurer	Buy	15,000	$4.58	$68.6K	32,500+86%
Nov 17, 2021	McIlwain Matthew S	Director	Buy	100,000	$5.30	$529.9K	459,075+28%
Aug 26, 2021	McIlwain Matthew S	Director	Buy	36,970	$7.71	$285.0K	359,075
Aug 16, 2021	Mowry Anna	CFO and Treasurer	Buy	17,500	$7.71	$134.9K	17,500
Aug 13, 2021	Murphy Matthew B.	General Counsel	Buy	5,000	$7.56	$37.8K	34,140
Jun 11, 2021	PERCEPTIVE ADVISORS LLC		Buy	5,507,063	$10.00	$55.07M4.4% OS	5,997,038New Position

NAUT Insider Buying Activity

The following table shows recent insider purchases of Nautilus Biotechnology, Inc. (NAUT) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Sep 4, 2025	Murphy Matthew B.	General Counsel	Buy	20,000	$0.64	$12.9K	0
Jun 2, 2025	Mowry Anna	CFO and Treasurer	Buy	15,000	$0.77	$11.5K	83,000
May 12, 2025	Mallick Parag	Chief Scientist	Buy	13,500	$0.73	$9.9K	20,493,392
Mar 21, 2025	Patel Sujal M	CEO, President, and Secretary	Buy	77,233	$1.00	$76.9K	10,141,721
Mar 11, 2024	Patel Sujal M	CEO, President, and Secretary	Buy	14,474	$2.87	$41.5K	10,064,488
Mar 7, 2024	Patel Sujal M	CEO, President, and Secretary	Buy	35,526	$2.79	$99.1K	10,050,014
Sep 28, 2022	Sankar Subramanian	Senior VP, Product Development	Buy	15,000	$2.03	$30.4K	91,250
Sep 26, 2022	Weld Gwen E	Chief People Officer	Buy	30,000	$2.03	$60.8K	30,000
Sep 19, 2022	Sankar Subramanian	Senior VP, Product Development	Buy	75,000	$2.18	$163.2K	75,000
Aug 22, 2022	Mowry Anna	CFO and Treasurer	Buy	17,500	$2.30	$40.2K	56,750+45%
Aug 16, 2022	Murphy Matthew B.	General Counsel	Buy	10,000	$2.84	$28.4K	54,140
Aug 8, 2022	Patel Sujal M	CEO, President, and Secretary	Buy	50,000	$2.92	$146.1K	10,014,488
Jun 28, 2022	Mowry Anna	CFO and Treasurer	Buy	5,500	$2.75	$15.1K	39,250
May 10, 2022	Patel Sujal M	CEO, President, and Secretary	Buy	50,000	$3.96	$198.0K	9,964,488
Mar 4, 2022	Patel Sujal M	CEO, President, and Secretary	Buy	50,000	$3.60	$179.9K	9,914,388
Dec 10, 2021	PERCEPTIVE ADVISORS LLC	Director	Buy	200,000	$5.36	$1.07M	9,111,151
Dec 2, 2021	Patel Sujal M	CEO, President, and Secretary	Buy	250,000	$4.72	$1.18M	9,864,388
Dec 1, 2021	Posard Matthew L.	Director	Buy	50,000	$4.51	$225.5K	50,000
Nov 24, 2021	Mowry Anna	CFO and Treasurer	Buy	15,000	$4.58	$68.6K	32,500+86%
Nov 17, 2021	McIlwain Matthew S	Director	Buy	100,000	$5.30	$529.9K	459,075+28%
Aug 26, 2021	McIlwain Matthew S	Director	Buy	36,970	$7.71	$285.0K	359,075
Aug 16, 2021	Mowry Anna	CFO and Treasurer	Buy	17,500	$7.71	$134.9K	17,500
Aug 13, 2021	Murphy Matthew B.	General Counsel	Buy	5,000	$7.56	$37.8K	34,140
Jun 11, 2021	PERCEPTIVE ADVISORS LLC		Buy	5,507,063	$10.00	$55.07M4.4% OS	5,997,038New Position

NAUT Insider Selling Activity

The following table shows recent insider sales of Nautilus Biotechnology, Inc. (NAUT) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jun 4, 2026	AH Equity Partners Bio II, L.L.C.	10 percent owner	Sell	5,000,000	$2.35	$11.75M3.9% OS	11,682,032-30%
Sep 25, 2024	Godwin Mary E.	Senior VP, Operations	Sell	47,031	$2.86	$134.7K	0Exit
Sep 18, 2024	Godwin Mary E.	Senior VP, Operations	Sell	35,000	$2.85	$99.9K	0Exit