Nautilus Biotechnology, Inc. (NAUT) Insider Trading
Over the last 3 months, NAUT insiders made 0 open-market buys and 2 sales, a net sale of -$11.8M (SEC Form 4). Over the last 6 months, 39 institutions increased and 29 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
2
Net (3m)
-$11.8M
Insider trades by month Buys Sells
May
Jun
Sep
Nov
Mar
Jun
Context3-month price -1.5%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 4, 2026 | AH Equity Partners Bio II, L.L.C.10 percent owner | Sell | 384,026 | $2.35 |
| Jun 4, 2026 | AH Equity Partners Bio II, L.L.C.10 percent owner | Sell | 4,615,974 | $2.35 |
| Mar 4, 2026 | Weld Gwen Eofficer: Chief People Officer | Grant | 160,000 | $2.32 |
| Mar 4, 2026 | Sankar Subramanianofficer: Senior VP, Product Development | Grant | 160,000 | $2.32 |
| Mar 4, 2026 | Patel Sujal Mdirector, 10 percent owner, officer: CEO, President, and Secretary | Grant | 650,000 | $2.32 |
| Mar 4, 2026 | Mowry Annaofficer: CFO and Treasurer | Grant | 160,000 | $2.32 |
| Mar 4, 2026 | Patel Sujal Mdirector, 10 percent owner, officer: CEO, President, and Secretary | Buy | 25,000 | $2.61 |
| Mar 4, 2026 | Suzuki Kentaroofficer: Chief Marketing Officer | Grant | 160,000 | $2.32 |
| Mar 4, 2026 | Mallick Paragdirector, 10 percent owner, officer: Chief Scientist | Grant | 280,000 | $2.32 |
| Mar 4, 2026 | Murphy Matthew B.officer: General Counsel | Grant | 160,000 | $2.32 |
| Nov 10, 2025 | Suzuki Kentaroofficer: Chief Marketing Officer | Buy | 4,000 | $1.49 |
| Sep 9, 2025 | Patel Sujal Mdirector, 10 percent owner, officer: CEO, President, and Secretary | Buy | 116,500 | $0.67 |
| Sep 9, 2025 | Patel Sujal Mdirector, 10 percent owner, officer: CEO, President, and Secretary | Buy | 83,500 | $0.68 |
| Sep 5, 2025 | Murphy Matthew B.officer: General Counsel | Buy | 20,000 | $0.64 |
| Jun 25, 2025 | Akinsanya Karendirector | Grant | 45,000 | $0.70 |
| Jun 25, 2025 | Epperly Melissa B,director | Grant | 45,000 | $0.70 |
| Jun 25, 2025 | Posard Matthew L.director | Grant | 45,000 | $0.70 |
| Jun 25, 2025 | McIlwain Matthew Sdirector | Grant | 45,000 | $0.70 |
| Jun 25, 2025 | NAZEM FARZADdirector | Grant | 45,000 | $0.70 |
| Jun 2, 2025 | Mowry Annaofficer: CFO and Treasurer | Buy | 15,000 | $0.77 |
| May 12, 2025 | Mallick Paragdirector, 10 percent owner, officer: Chief Scientist | Buy | 1,500 | $0.73 |
| May 12, 2025 | Mallick Paragdirector, 10 percent owner, officer: Chief Scientist | Buy | 12,000 | $0.73 |
| Mar 21, 2025 | Patel Sujal Mdirector, 10 percent owner, officer: CEO, President, and Secretary | Buy | 53,300 | $0.99 |
| Mar 21, 2025 | Patel Sujal Mdirector, 10 percent owner, officer: CEO, President, and Secretary | Buy | 23,933 | $1.00 |
| Mar 4, 2025 | Mallick Paragdirector, 10 percent owner, officer: Chief Scientist | Grant | 280,000 | $1.24 |
| Mar 4, 2025 | Patel Sujal Mdirector, 10 percent owner, officer: CEO, President, and Secretary | Grant | 650,000 | $1.24 |
| Mar 4, 2025 | Suzuki Kentaroofficer: Chief Marketing Officer | Grant | 50,000 | $1.24 |
| Mar 4, 2025 | Weld Gwen Eofficer: Chief People Officer | Grant | 160,000 | $1.24 |
| Mar 4, 2025 | Nelson Nicholas A.officer: CBO & Senior VP, Bus. Dev. | Grant | 160,000 | $1.24 |
| Mar 4, 2025 | Mowry Annaofficer: CFO and Treasurer | Grant | 160,000 | $1.24 |
Source: NAUT SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their NAUT positions over the last 6 months (SEC Form 13F).
Increased
39
New positions
37
Reduced
29
Sold out
15
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | Increased | 25.2M | May 29, 2026 |
| AH CAPITAL MANAGEMENT, L.L.C. | Unchanged | 17.7M | May 15, 2026 |
| AH CAPITAL MANAGEMENT, L.L.C. | Unchanged | 17.7M | Feb 17, 2026 |
| PERCEPTIVE ADVISORS LLC | Unchanged | 12.6M | Feb 17, 2026 |
| CERCANO MANAGEMENT LLC | Unchanged | 7.2M | Feb 10, 2026 |
| CERCANO MANAGEMENT LLC | Unchanged | 7.2M | May 13, 2026 |
| MADRONA VENTURE GROUP, LLC | Unchanged | 6.0M | Feb 13, 2026 |
| VANGUARD GROUP INC | Increased | 2.6M | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.5M | May 15, 2026 |
| CLEARSTEAD ADVISORS, LLC | New Position | 2.3M | May 6, 2026 |
| COMPREHENSIVE FINANCIAL MANAGEMENT LLC | Unchanged | 2.2M | Feb 17, 2026 |
| COMPREHENSIVE FINANCIAL MANAGEMENT LLC | Unchanged | 2.2M | May 15, 2026 |
| AMAZON COM INC | Unchanged | 1.5M | Feb 10, 2026 |
| AMAZON COM INC | Unchanged | 1.5M | May 5, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 1.3M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.