Nautilus Biotechnology, Inc.

NAUTNASDAQHealthcare● Active

$2.33

$-0.06(-2.51%)

Market Cap$296093732

P/E Ratio—

52W High$4.31

52W Low$0.62

Avg Volume373K

Open$2.45

Beta0.75

Insider Trades Ownership Employees

Nautilus Biotechnology, Inc. (NAUT) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · NAUT · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

2.50

Buy/Sell (by trades)

Overall sentiment

BULLISH

↑ Buy 71%Active transactions only · RSU vesting excluded29% Sell ↓

Nautilus Biotechnology, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

NAUT insider buying and selling by quarter

NAUT insider selling · NAUT insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

5.0M2.5M0

2024 Q2

2024 Q3

2025 Q1

2025 Q2

2025 Q3

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · NAUT ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

NAUT executive sell shares · NAUT board member insider trading · NAUT insider trading SEC filing

Showing 30 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Jun 2, 2026	AH Equity Partners Bio II, L.L.C. 10 percent owner	Sale	4,615,974	$2.35	$10.85M⚡	11,682,032	Form 4
Jun 2, 2026	AH Equity Partners Bio II, L.L.C. 10 percent owner	Sale	384,026	$2.35	$902K	971,885	Form 4
Mar 4, 2026	Patel Sujal M CEO, President, and Secretary · Director	Purchase	25,000	$2.61	$65K	10,366,721	Form 4
Nov 6, 2025	Suzuki Kentaro Chief Marketing Officer	Purchase	4,000	$1.49	$6K	4,000	Form 4
Sep 8, 2025	Patel Sujal M CEO, President, and Secretary · Director	Purchase	83,500	$0.68	$57K	10,341,721	Form 4
Sep 5, 2025	Patel Sujal M CEO, President, and Secretary · Director	Purchase	116,500	$0.67	$79K	10,258,221	Form 4
Sep 4, 2025	Murphy Matthew B. General Counsel	Purchase	20,000	$0.64	$13K	74,140	Form 4
May 29, 2025	Mowry Anna CFO and Treasurer	Purchase	15,000	$0.77	$11K	83,000	Form 4
May 12, 2025	Mallick Parag Chief Scientist · Director	Purchase	1,500	$0.73	$1K	20,493,392	Form 4
May 8, 2025	Mallick Parag Chief Scientist · Director	Purchase	12,000	$0.73	$9K	20,491,892	Form 4
Mar 20, 2025	Patel Sujal M CEO, President, and Secretary · Director	Purchase	23,933	$1.00	$24K	10,141,721	Form 4
Mar 19, 2025	Patel Sujal M CEO, President, and Secretary · Director	Purchase	53,300	$0.99	$53K	10,117,788	Form 4
Sep 23, 2024	Godwin Mary E. Senior VP, Operations	Option	47,031	$0.46	$22K	47,031	Form 4
Sep 23, 2024	Godwin Mary E. Senior VP, Operations	Sale	47,031	$2.87	$135K	0	Form 4
Sep 17, 2024	Godwin Mary E. Senior VP, Operations	Option	35,000	$0.46	$16K	35,000	Form 4
Sep 17, 2024	Godwin Mary E. Senior VP, Operations	Sale	35,000	$2.85	$100K	0	Form 4
Mar 11, 2024	Patel Sujal M CEO, President, and Secretary · Director	Purchase	12,044	$2.84	$34K	10,064,488	Form 4
Mar 8, 2024	Patel Sujal M CEO, President, and Secretary · Director	Purchase	2,430	$2.99	$7K	10,052,444	Form 4
Mar 7, 2024	Patel Sujal M CEO, President, and Secretary · Director	Purchase	18,854	$2.89	$54K	10,050,014	Form 4
Mar 6, 2024	Patel Sujal M CEO, President, and Secretary · Director	Purchase	9,267	$2.70	$25K	10,031,160	Form 4
Mar 5, 2024	Patel Sujal M CEO, President, and Secretary · Director	Purchase	7,405	$2.65	$20K	10,021,893	Form 4
Sep 27, 2022	Sankar Subramanian Senior VP, Product Development	Purchase	5,000	$2.03	$10K	91,250	Form 4
Sep 26, 2022	Sankar Subramanian Senior VP, Product Development	Purchase	10,000	$2.02	$20K	86,250	Form 4
Sep 23, 2022	Weld Gwen E CPO	Purchase	30,000	$2.03	$61K	30,000	Form 4
Sep 16, 2022	Sankar Subramanian Senior VP, Product Development	Purchase	35,000	$2.16	$75K	75,000	Form 4

AH Equity Partners Bio II, L.L.C.

10 percent owner

Sale

Date

Jun 2

4,615,974

Price

$2.35

Value

$10.85M ⚡

View Form 4 on SEC.gov

AH Equity Partners Bio II, L.L.C.

10 percent owner

Sale

Date

Jun 2

384,026

Price

$2.35

Value

$902K

View Form 4 on SEC.gov

Patel Sujal M

CEO, President, and Secretary · Director

Purchase

Date

Mar 4

25,000

Price

$2.61

Value

$65K

View Form 4 on SEC.gov

Suzuki Kentaro

Chief Marketing Officer

Purchase

Date

Nov 6

4,000

Price

$1.49

Value

$6K

View Form 4 on SEC.gov

Patel Sujal M

CEO, President, and Secretary · Director

Purchase

Date

Sep 8

83,500

Price

$0.68

Value

$57K

View Form 4 on SEC.gov

Patel Sujal M

CEO, President, and Secretary · Director

Purchase

Date

Sep 5

116,500

Price

$0.67

Value

$79K

View Form 4 on SEC.gov

Murphy Matthew B.

General Counsel

Purchase

Date

Sep 4

20,000

Price

$0.64

Value

$13K

View Form 4 on SEC.gov

Mowry Anna

CFO and Treasurer

Purchase

Date

May 29

15,000

Price

$0.77

Value

$11K

View Form 4 on SEC.gov

Mallick Parag

Chief Scientist · Director

Purchase

Date

May 12

1,500

Price

$0.73

Value

$1K

View Form 4 on SEC.gov

Mallick Parag

Chief Scientist · Director

Purchase

Date

May 8

12,000

Price

$0.73

Value

$9K

View Form 4 on SEC.gov

Patel Sujal M

CEO, President, and Secretary · Director

Purchase

Date

Mar 20

23,933

Price

$1.00

Value

$24K

View Form 4 on SEC.gov

Patel Sujal M

CEO, President, and Secretary · Director

Purchase

Date

Mar 19

53,300

Price

$0.99

Value

$53K

View Form 4 on SEC.gov

Godwin Mary E.

Senior VP, Operations

Option

Date

Sep 23

47,031

Price

$0.46

Value

$22K

View Form 4 on SEC.gov

Godwin Mary E.

Senior VP, Operations

Sale

Date

Sep 23

47,031

Price

$2.87

Value

$135K

View Form 4 on SEC.gov

Godwin Mary E.

Senior VP, Operations

Option

Date

Sep 17

35,000

Price

$0.46

Value

$16K

View Form 4 on SEC.gov

Godwin Mary E.

Senior VP, Operations

Sale

Date

Sep 17

35,000

Price

$2.85

Value

$100K

View Form 4 on SEC.gov

Patel Sujal M

CEO, President, and Secretary · Director

Purchase

Date

Mar 11

12,044

Price

$2.84

Value

$34K

View Form 4 on SEC.gov

Patel Sujal M

CEO, President, and Secretary · Director

Purchase

Date

Mar 8

2,430

Price

$2.99

Value

$7K

View Form 4 on SEC.gov

Patel Sujal M

CEO, President, and Secretary · Director

Purchase

Date

Mar 7

18,854

Price

$2.89

Value

$54K

View Form 4 on SEC.gov

Patel Sujal M

CEO, President, and Secretary · Director

Purchase

Date

Mar 6

9,267

Price

$2.70

Value

$25K

View Form 4 on SEC.gov

Patel Sujal M

CEO, President, and Secretary · Director

Purchase

Date

Mar 5

7,405

Price

$2.65

Value

$20K

View Form 4 on SEC.gov

Sankar Subramanian

Senior VP, Product Development

Purchase

Date

Sep 27

5,000

Price

$2.03

Value

$10K

View Form 4 on SEC.gov

Sankar Subramanian

Senior VP, Product Development

Purchase

Date

Sep 26

10,000

Price

$2.02

Value

$20K

View Form 4 on SEC.gov

Weld Gwen E

CPO

Purchase

Date

Sep 23

30,000

Price

$2.03

Value

$61K

View Form 4 on SEC.gov

Sankar Subramanian

Senior VP, Product Development

Purchase

Date

Sep 16

35,000

Price

$2.16

Value

$75K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

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▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About NAUT insider trading

NAUT insider trades

Nautilus Biotechnology, Inc. (NAUT) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Patel Sujal M (CEO, President, and Secretary · Director), AH Equity Partners Bio II, L.L.C. (10 percent owner), Suzuki Kentaro (Chief Marketing Officer). Over the past 12 months, 4 insiders have filed transactions with the SEC. NAUT insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Nautilus Biotechnology, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

NAUT insider trading · 5 questions

The insiders of Nautilus Biotechnology, Inc. (NAUT) include executives and directors such as Patel Sujal M (CEO, President, and Secretary · Director), AH Equity Partners Bio II, L.L.C. (10 percent owner), Suzuki Kentaro (Chief Marketing Officer), among others. Over the past 12 months, 4 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

NAUT board member insider tradingwho are NAUT insidersNAUT insider rosterNautilus Biotechnology, Inc. executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026