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SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•17 filings

NAUT

Nautilus Biotechnology, Inc.

No net buying or selling imbalance over the last 3 months

No net buyers or sellers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found 1 CEO/CFO purchases over 12 months.

How to read this signal

Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.

JSON example

3-month balance

$0.00

0 buyers · 0 sellers

12-month purchases

$71,198

2 distinct insiders

12-month sales

$11,750,000

6 distinct insiders

Highlighted alerts

7

0 Rule 10b5-1 trades treated as informational

Buying cluster · 30 days

Fewer than three distinct buyers

CEO/CFO purchases · 12 months

1 executive purchases found

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Form 4 raw → Raspberry

The value is in what we do not call a signal.

The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.

19
Raw transactions
Everything returned by the filing
7
Voluntary view
P/S trades after deterministic checks
12
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
Code
A
Shares
45,000
Price
$0.00
Footnotes
1

Subject to reporting person's continuous status as a "Service Provider" (as defined in the the Issuer's 2021 Equity Incentive Plan) through each applicable vesting date, one-twelfth (1/12th) of the shares subject to the Option shall vest on a monthly basis following the date of grant on the same day of the month as such grant date (or on the last day of the month, if there is no corresponding day in such month).

Raspberry interpretation
Informational — no alert

Reason: administrative_code.

Verify in SEC EDGAR

Recent transactions

Voluntary purchases and sales; administrative noise stays hidden.

7 transactions

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

10% owner

SaleAlert
Shares
384,026
Price
$2.35
Value
$902,461
Open SEC filing

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

10% owner

SaleAlert
Shares
4,615,974
Price
$2.35
Value
$10,847,539
Open SEC filing

Patel Sujal M

CEO, President, and Secretary

PurchaseAlert
Shares
25,000
Price
$2.61
Value
$65,238
Open SEC filing

Suzuki Kentaro

Chief Marketing Officer

PurchaseAlert
Shares
4,000
Price
$1.49
Value
$5,960
Open SEC filing

Patel Sujal M

CEO, President, and Secretary

PurchaseAlert
Shares
83,500
Price
$0.68
Value
$57,031
Open SEC filing

Patel Sujal M

CEO, President, and Secretary

PurchaseAlert
Shares
116,500
Price
$0.67
Value
$78,544
Open SEC filing

Murphy Matthew B.

General Counsel

PurchaseAlert
Shares
20,000
Price
$0.64
Value
$12,858
Open SEC filing

“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.