United States Biotechnology & Medical Research

Nautilus Biotechnology Inc (NAUT)

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Nautilus Biotechnology Inc. has seen no insider trading activity over the past three months. The most recent transactions occurred on June 2, 2026, involving significant share sales by AH Equity Partners Bio II, L.L.C. Prior to these disposals, various executives engaged in periodic equity acquisitions throughout 2025 and early 2026.
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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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
50.81
Quantity 59,217 -49.7%
Value US$1,905,938
3.3
Suzuki Kentaro Chief Marketing Officer Officer
Transaction date
Purchase
Price
1.49
Quantity 4,000 +inf%
Value US$5,960
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
0.68
Quantity 83,500 +0.8%
Value US$57,030
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
0.67
Quantity 116,500 +1.1%
Value US$78,544
2.7
Murphy Matthew B. General Counsel Officer
Transaction date
Purchase
Price
0.64
Quantity 20,000 +36.9%
Value US$12,858
1.8
Mowry Anna CFO and Treasurer Officer
Transaction date
Planned purchase
Price
0.77
Quantity 15,000 +22.1%
Value US$11,488
2.3
Mallick Parag Chief Scientist Executive Director Large shareholder
Transaction date
Purchase
Price
0.73
Quantity 1,500 +0.0%
Value US$1,098
2.3
Mallick Parag Chief Scientist Executive Director Large shareholder
Transaction date
Purchase
Price
0.73
Quantity 12,000 +0.1%
Value US$8,788
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
1.00
Quantity 23,933 +0.2%
Value US$23,890
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
0.99
Quantity 53,300 +0.5%
Value US$53,028
3.2
MARY GODWIN Officer Officer
Transaction date
Proposed sale
Price
1.94
Quantity 38,337
Value US$74,263
3.2
MARY GODWIN Officer Officer
Transaction date
Proposed sale
Price
2.13
Quantity 35,000
Value US$74,588
3.2
MARY GODWIN Officer Officer
Transaction date
Proposed sale
Price
2.20
Quantity 60,000
Value US$131,778
3.2
MARY GODWIN Officer Officer
Transaction date
Proposed sale
Price
2.28
Quantity 60,000
Value US$136,512
3.2
MARY GODWIN Officer Officer
Transaction date
Proposed sale
Price
2.35
Quantity 30,000
Value US$70,623
3.2
MARY GODWIN Officer Officer
Transaction date
Proposed sale
Price
2.27
Quantity 30,000
Value US$68,046
3.2
MARY GODWIN Officer Officer
Transaction date
Proposed sale
Price
2.47
Quantity 40,000
Value US$98,884
3.2
MARY ELIZABETH GODWIN Officer Officer
Transaction date
Proposed sale
Price
2.51
Quantity 31,078
Value US$78,158
3.2
MARY ELIZABETH GODWIN Officer Officer
Transaction date
Proposed sale
Price
2.75
Quantity 28,922
Value US$79,643
3.2
Godwin Mary E. Senior VP, Operations Officer
Transaction date
Sale
Price
2.87
Quantity 47,031 -100.0%
Value US$134,744
3.2
MARY ELIZABETH GODWIN Officer Officer
Transaction date
Proposed sale
Price
2.86
Quantity 47,031
Value US$134,739
3.2
Godwin Mary E. Senior VP, Operations Officer
Transaction date
Sale
Price
2.85
Quantity 35,000 -100.0%
Value US$99,869
3.2
MARY ELIZABETH GODWIN Officer Officer
Transaction date
Proposed sale
Price
2.85
Quantity 35,000
Value US$99,866
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
2.84
Quantity 12,044 +0.1%
Value US$34,216
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
2.99
Quantity 2,430 +0.0%
Value US$7,262
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
2.89
Quantity 18,854 +0.2%
Value US$54,424
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
2.70
Quantity 9,267 +0.1%
Value US$25,034
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
2.65
Quantity 7,405 +0.1%
Value US$19,597
1.2
Sankar Subramanian Senior VP, Product Development Officer
Transaction date
Purchase
Price
2.03
Quantity 5,000 +5.8%
Value US$10,149
1.2
Sankar Subramanian Senior VP, Product Development Officer
Transaction date
Planned purchase
Price
2.03
Quantity 10,000 +13.1%
Value US$20,250
1.0
Weld Gwen E Chief People Officer Officer
Transaction date
Purchase
Price
2.03
Quantity 30,000 +inf%
Value US$60,765
1.2
Sankar Subramanian Senior VP, Product Development Officer
Transaction date
Purchase
Price
2.16
Quantity 35,000 +87.5%
Value US$75,446
1.2
Sankar Subramanian Senior VP, Product Development Officer
Transaction date
Purchase
Price
2.19
Quantity 40,000 +inf%
Value US$87,752
1.8
Mowry Anna CFO and Treasurer Officer
Transaction date
Purchase
Price
2.30
Quantity 17,500 +44.6%
Value US$40,218
2.7
Murphy Matthew B. General Counsel Officer
Transaction date
Purchase
Price
2.84
Quantity 7,500 +16.1%
Value US$21,308
2.7
Murphy Matthew B. General Counsel Officer
Transaction date
Purchase
Price
2.85
Quantity 2,500 +5.7%
Value US$7,125
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
2.93
Quantity 8,346 +0.1%
Value US$24,444
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
2.92
Quantity 41,654 +0.4%
Value US$121,646
1.8
Mowry Anna CFO and Treasurer Officer
Transaction date
Planned purchase
Price
2.75
Quantity 5,500 +16.3%
Value US$15,124
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
3.96
Quantity 50,000 +0.5%
Value US$198,000
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
3.60
Quantity 50,000 +0.5%
Value US$179,890
2.7
PERCEPTIVE ADVISORS LLC Non-Executive Director
Transaction date
Purchase
Price
5.36
Quantity 200,000 +2.2%
Value US$1,072,000
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
4.73
Quantity 88,022 +0.9%
Value US$416,397
2.9
Posard Matthew L. Non-Executive Director
Transaction date
Purchase
Price
4.45
Quantity 10,000 +25.0%
Value US$44,493
2.9
Posard Matthew L. Non-Executive Director
Transaction date
Purchase
Price
4.46
Quantity 10,000 +33.3%
Value US$44,612
2.9
Posard Matthew L. Non-Executive Director
Transaction date
Purchase
Price
4.50
Quantity 10,000 +50.0%
Value US$45,000
3.0
Patel Sujal M CEO, President, and Secretary Executive Director Large shareholder
Transaction date
Purchase
Price
4.72
Quantity 161,978 +1.7%
Value US$764,779
2.9
Posard Matthew L. Non-Executive Director
Transaction date
Purchase
Price
4.57
Quantity 20,000 +inf%
Value US$91,400
1.8
Mowry Anna CFO and Treasurer Officer
Transaction date
Purchase
Price
4.58
Quantity 15,000 +85.7%
Value US$68,632
1.1
McIlwain Matthew S Non-Executive Director
Transaction date
Purchase
Price
5.30
Quantity 100,000 +27.8%
Value US$529,890
1.1
McIlwain Matthew S Non-Executive Director
Transaction date
Purchase
Price
7.71
Quantity 11,709 +3.4%
Value US$90,314
1.1
McIlwain Matthew S Non-Executive Director
Transaction date
Purchase
Price
7.74
Quantity 11,693 +3.5%
Value US$90,458
1.1
McIlwain Matthew S Non-Executive Director
Transaction date
Purchase
Price
7.68
Quantity 13,568 +4.2%
Value US$104,269
2.7
PERCEPTIVE ADVISORS LLC Non-Executive Director
Transaction date
Purchase
Price
10.05
Quantity 159,925 +inf%
Value US$1,607,246
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
1.2
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
1.2
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
1.2
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
1.2
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
2.9
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
2.9
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
2.9
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
2.9
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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