NAUT
Ah Equity Partners Bio Ii, L.l.c. sold $10.85M of NAUT, trimming their stake 28%.
−$10.85M
4.62M sh @ $2
NAUT
Nautilus Biotechnology, Inc.
SEC CIK 1808805
$2.29
+6.8% · 90 days
90-day buys
$0
0 open-market
90-day sells
$11.75M
2 open-market
Net insider flow
−$11.75M
Net selling
Filings shown
12
Most recent
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At a glance
Over the last 90 days, insiders at NAUT have sold a net $11.75M of stock (0 open-market buys vs 2 sells).
Largest recent trade: Ah Equity Partners Bio Ii, L.l.c. sold $10.85M of NAUT, trimming their stake 28%.
Most active filer: Patel Sujal M, with 5 transactions among the recent filings shown.
Insider transaction history
Form 4 filings for NAUT, newest firstNAUT
Ah Equity Partners Bio Ii, L.l.c. sold $902.5K of NAUT, trimming their stake 28%.
−$902.5K
384,026 sh @ $2
NAUT
Patel Sujal M, NAUT's CEO, spent $65.2K of their own money on 25,000 shares at $3.
+$65.2K
25,000 sh @ $3
NAUT
Suzuki Kentaro, NAUT's Chief Marketing O…, spent $6K of their own money on 4,000 shares at $1, opening a brand-new position.
+$6K
4,000 sh @ $1
NAUT
Patel Sujal M, NAUT's CEO, spent $57K of their own money on 83,500 shares at $1, growing their stake 1%.
+$57K
83,500 sh @ $1
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NAUT
Patel Sujal M, NAUT's CEO, spent $78.5K of their own money on 116,500 shares at $1, growing their stake 1%.
+$78.5K
116,500 sh @ $1
NAUT
Murphy Matthew B., NAUT's General Counsel, spent $12.9K of their own money on 20,000 shares at $1, growing their stake 37%.
+$12.9K
20,000 sh @ $1
NAUT
Mowry Anna, NAUT's CFO, spent $11.5K of their own money on 15,000 shares at $1, growing their stake 22%.
+$11.5K
15,000 sh @ $1
NAUT
Mallick Parag, NAUT's 10% owner, spent $1.1K of their own money on 1,500 shares at $1.
+$1.1K
1,500 sh @ $1
NAUT
Mallick Parag, NAUT's 10% owner, spent $8.8K of their own money on 12,000 shares at $1.
+$8.8K
12,000 sh @ $1
NAUT
Patel Sujal M, NAUT's CEO, spent $23.9K of their own money on 23,933 shares at $1.
+$23.9K
23,933 sh @ $1
NAUT
Patel Sujal M, NAUT's CEO, spent $53K of their own money on 53,300 shares at $1, growing their stake 1%.
+$53K
53,300 sh @ $1
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About NAUT insider activity
This page tracks every recent Form 4 filed for Nautilus Biotechnology, Inc. with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.
The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.
Frequently asked questions
How often is NAUT insider data updated?
Continuously. We read from SEC EDGAR, so new Form 4 filings for Nautilus Biotechnology, Inc. usually appear here within minutes of being accepted by the SEC.
What does "net insider flow" mean?
It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.
Why do some rows show grants or option exercises instead of buys?
Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.
Is this investment advice?
No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.