United States Biotechnology & Medical Research

Nautilus Biotechnology Inc (NAUT)

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Nautilus Biotechnology Inc. experienced significant insider selling over the past 90 days, with AH Equity Partners Bio II, L.L.C. disposing of approximately $11.75 million in shares on June 2, 2026. This activity coincides with a 66.2% decline in the stock price over the same period, following the company's most recent earnings report.
Ticker: NAUT Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Nautilus Biotechnology Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Trades
Sale 2 Jun 2026
Value US$4,304,755.59 | Price 202.50 | Shares 39,278 (-31.8%)
Sale 2 Jun 2026
Value US$1,085,788.05 | Price 187.03 | Shares 55,172 (+40.9%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-04 2026-06-02 S Sale
AH Equity Partners Bio II, L.L.C.
Large shareholder
39,278 -31.8%
202.50
US$4,304,756 		39,278 -31.8% 202.50 US$4,304,756
2026-06-04 2026-06-02 S Sale
AH Equity Partners Bio II, L.L.C.
Large shareholder
55,172 +40.9%
187.03
US$1,085,788 		55,172 +40.9% 187.03 US$1,085,788
2026-03-04 2026-03-04 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
59,217 -49.7%
50.81
US$1,905,938 		59,217 -49.7% 50.81 US$1,905,938
2025-11-10 2025-11-06 B Purchase
3.3
Suzuki Kentaro

Chief Marketing Officer

Officer
4,000 +inf%
1.49
US$5,960 		4,000 +inf% 1.49 US$5,960
2025-09-09 2025-09-08 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
83,500 +0.8%
0.68
US$57,030 		83,500 +0.8% 0.68 US$57,030
2025-09-09 2025-09-05 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
116,500 +1.1%
0.67
US$78,544 		116,500 +1.1% 0.67 US$78,544
2025-09-05 2025-09-04 B Purchase
2.7
Murphy Matthew B.

General Counsel

Officer
20,000 +36.9%
0.64
US$12,858 		20,000 +36.9% 0.64 US$12,858
2025-06-02 2025-05-29 PP Planned purchase
1.8
Mowry Anna

CFO and Treasurer

Officer
15,000 +22.1%
0.77
US$11,488 		15,000 +22.1% 0.77 US$11,488
2025-05-12 2025-05-12 B Purchase
2.3
Mallick Parag

Chief Scientist

Executive Director Large shareholder
1,500 +0.0%
0.73
US$1,098 		1,500 +0.0% 0.73 US$1,098
2025-05-12 2025-05-08 B Purchase
2.3
Mallick Parag

Chief Scientist

Executive Director Large shareholder
12,000 +0.1%
0.73
US$8,788 		12,000 +0.1% 0.73 US$8,788
2025-03-21 2025-03-20 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
23,933 +0.2%
1.00
US$23,890 		23,933 +0.2% 1.00 US$23,890
2025-03-21 2025-03-19 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
53,300 +0.5%
0.99
US$53,028 		53,300 +0.5% 0.99 US$53,028
2024-12-17 2024-12-17 PrS Proposed sale
3.2
MARY GODWIN

Officer

Officer
38,337
1.94
US$74,263 		38,337 1.94 US$74,263
2024-12-09 2024-12-09 PrS Proposed sale
3.2
MARY GODWIN

Officer

Officer
35,000
2.13
US$74,588 		35,000 2.13 US$74,588
2024-12-03 2024-12-03 PrS Proposed sale
3.2
MARY GODWIN

Officer

Officer
60,000
2.20
US$131,778 		60,000 2.20 US$131,778
2024-11-26 2024-11-26 PrS Proposed sale
3.2
MARY GODWIN

Officer

Officer
60,000
2.28
US$136,512 		60,000 2.28 US$136,512
2024-11-21 2024-11-21 PrS Proposed sale
3.2
MARY GODWIN

Officer

Officer
30,000
2.35
US$70,623 		30,000 2.35 US$70,623
2024-11-19 2024-11-19 PrS Proposed sale
3.2
MARY GODWIN

Officer

Officer
30,000
2.27
US$68,046 		30,000 2.27 US$68,046
2024-11-12 2024-11-11 PrS Proposed sale
3.2
MARY GODWIN

Officer

Officer
40,000
2.47
US$98,884 		40,000 2.47 US$98,884
2024-11-08 2024-11-08 PrS Proposed sale
3.2
MARY ELIZABETH GODWIN

Officer

Officer
31,078
2.51
US$78,158 		31,078 2.51 US$78,158
2024-11-07 2024-11-07 PrS Proposed sale
3.2
MARY ELIZABETH GODWIN

Officer

Officer
28,922
2.75
US$79,643 		28,922 2.75 US$79,643
2024-09-25 2024-09-23 S Sale
3.2
Godwin Mary E.

Senior VP, Operations

Officer
47,031 -100.0%
2.87
US$134,744 		47,031 -100.0% 2.87 US$134,744
2024-09-23 2024-09-23 PrS Proposed sale
3.2
MARY ELIZABETH GODWIN

Officer

Officer
47,031
2.86
US$134,739 		47,031 2.86 US$134,739
2024-09-18 2024-09-17 S Sale
3.2
Godwin Mary E.

Senior VP, Operations

Officer
35,000 -100.0%
2.85
US$99,869 		35,000 -100.0% 2.85 US$99,869
2024-09-17 2024-09-17 PrS Proposed sale
3.2
MARY ELIZABETH GODWIN

Officer

Officer
35,000
2.85
US$99,866 		35,000 2.85 US$99,866
2024-03-11 2024-03-11 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
12,044 +0.1%
2.84
US$34,216 		12,044 +0.1% 2.84 US$34,216
2024-03-11 2024-03-08 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
2,430 +0.0%
2.99
US$7,262 		2,430 +0.0% 2.99 US$7,262
2024-03-07 2024-03-07 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
18,854 +0.2%
2.89
US$54,424 		18,854 +0.2% 2.89 US$54,424
2024-03-07 2024-03-06 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
9,267 +0.1%
2.70
US$25,034 		9,267 +0.1% 2.70 US$25,034
2024-03-07 2024-03-05 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
7,405 +0.1%
2.65
US$19,597 		7,405 +0.1% 2.65 US$19,597
2022-09-28 2022-09-27 B Purchase
1.3
Sankar Subramanian

Senior VP, Product Development

Officer
5,000 +5.8%
2.03
US$10,149 		5,000 +5.8% 2.03 US$10,149
2022-09-28 2022-09-26 PP Planned purchase
1.3
Sankar Subramanian

Senior VP, Product Development

Officer
10,000 +13.1%
2.03
US$20,250 		10,000 +13.1% 2.03 US$20,250
2022-09-26 2022-09-23 B Purchase
1.0
Weld Gwen E

Chief People Officer

Officer
30,000 +inf%
2.03
US$60,765 		30,000 +inf% 2.03 US$60,765
2022-09-19 2022-09-16 B Purchase
1.3
Sankar Subramanian

Senior VP, Product Development

Officer
35,000 +87.5%
2.16
US$75,446 		35,000 +87.5% 2.16 US$75,446
2022-09-19 2022-09-15 B Purchase
1.3
Sankar Subramanian

Senior VP, Product Development

Officer
40,000 +inf%
2.19
US$87,752 		40,000 +inf% 2.19 US$87,752
2022-08-22 2022-08-19 B Purchase
1.8
Mowry Anna

CFO and Treasurer

Officer
17,500 +44.6%
2.30
US$40,218 		17,500 +44.6% 2.30 US$40,218
2022-08-16 2022-08-15 B Purchase
2.7
Murphy Matthew B.

General Counsel

Officer
7,500 +16.1%
2.84
US$21,308 		7,500 +16.1% 2.84 US$21,308
2022-08-16 2022-08-12 B Purchase
2.7
Murphy Matthew B.

General Counsel

Officer
2,500 +5.7%
2.85
US$7,125 		2,500 +5.7% 2.85 US$7,125
2022-08-08 2022-08-08 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
8,346 +0.1%
2.93
US$24,444 		8,346 +0.1% 2.93 US$24,444
2022-08-08 2022-08-05 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
41,654 +0.4%
2.92
US$121,646 		41,654 +0.4% 2.92 US$121,646
2022-06-28 2022-06-27 PP Planned purchase
1.8
Mowry Anna

CFO and Treasurer

Officer
5,500 +16.3%
2.75
US$15,124 		5,500 +16.3% 2.75 US$15,124
2022-05-10 2022-05-09 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
50,000 +0.5%
3.96
US$198,000 		50,000 +0.5% 3.96 US$198,000
2022-03-04 2022-03-03 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
50,000 +0.5%
3.60
US$179,890 		50,000 +0.5% 3.60 US$179,890
2021-12-10 2021-12-08 B Purchase
2.7
PERCEPTIVE ADVISORS LLC
Non-Executive Director
200,000 +2.2%
5.36
US$1,072,000 		200,000 +2.2% 5.36 US$1,072,000
2021-12-02 2021-12-01 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
88,022 +0.9%
4.73
US$416,397 		88,022 +0.9% 4.73 US$416,397
2021-12-01 2021-12-01 B Purchase
3.0
Posard Matthew L.
Non-Executive Director
10,000 +25.0%
4.45
US$44,493 		10,000 +25.0% 4.45 US$44,493
2021-12-01 2021-12-01 B Purchase
3.0
Posard Matthew L.
Non-Executive Director
10,000 +33.3%
4.46
US$44,612 		10,000 +33.3% 4.46 US$44,612
2021-12-01 2021-12-01 B Purchase
3.0
Posard Matthew L.
Non-Executive Director
10,000 +50.0%
4.50
US$45,000 		10,000 +50.0% 4.50 US$45,000
2021-12-02 2021-11-30 B Purchase
3.0
Patel Sujal M

CEO, President, and Secretary

Executive Director Large shareholder
161,978 +1.7%
4.72
US$764,779 		161,978 +1.7% 4.72 US$764,779
2021-12-01 2021-11-30 B Purchase
3.0
Posard Matthew L.
Non-Executive Director
20,000 +inf%
4.57
US$91,400 		20,000 +inf% 4.57 US$91,400
2021-11-24 2021-11-24 B Purchase
1.8
Mowry Anna

CFO and Treasurer

Officer
15,000 +85.7%
4.58
US$68,632 		15,000 +85.7% 4.58 US$68,632
2021-11-17 2021-11-15 B Purchase
1.1
McIlwain Matthew S
Non-Executive Director
100,000 +27.8%
5.30
US$529,890 		100,000 +27.8% 5.30 US$529,890
2021-08-26 2021-08-26 B Purchase
1.1
McIlwain Matthew S
Non-Executive Director
11,709 +3.4%
7.71
US$90,314 		11,709 +3.4% 7.71 US$90,314
2021-08-26 2021-08-25 B Purchase
1.1
McIlwain Matthew S
Non-Executive Director
11,693 +3.5%
7.74
US$90,458 		11,693 +3.5% 7.74 US$90,458
2021-08-26 2021-08-24 B Purchase
1.1
McIlwain Matthew S
Non-Executive Director
13,568 +4.2%
7.68
US$104,269 		13,568 +4.2% 7.68 US$104,269
2021-05-24 2021-05-20 B Purchase
2.7
PERCEPTIVE ADVISORS LLC
Non-Executive Director
159,925 +inf%
10.05
US$1,607,246 		159,925 +inf% 10.05 US$1,607,246
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