Nautilus Biotechnology, Inc. (NAUT) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-22

Nautilus Biotechnology, Inc. (NAUT) has filed 6 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-22. 2 Form 8-K material event filings were reported by NAUT in the last 90 days. InsiderAlpha tracks every NAUT SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About Nautilus Biotechnology, Inc. (NAUT)

SEC CIK	0001808805

90-Day SEC Filing Activity

Form 4 filings (90d)	6
Form 8-K filings (90d)	2
Latest Form 4 filing	2026-06-22

Recent NAUT Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-06-02	AH Equity Partners Bio II, L.L.C.	Insider	S — Open-market sale	4.62M	$2.35	$10.85M	SEC
2026-06-02	AH Equity Partners Bio II, L.L.C.	Insider	S — Open-market sale	384.0K	$2.35	$902K	SEC
2025-09-08	Patel Sujal M	CEO, President, and Secretary	P — Open-market purchase	83.5K	$0.68	$57K	SEC
2025-09-05	Patel Sujal M	CEO, President, and Secretary	P — Open-market purchase	116.5K	$0.67	$79K	SEC
2025-09-04	Murphy Matthew B.	General Counsel	P — Open-market purchase	20.0K	$0.64	$13K	SEC

All transactions sourced from SEC EDGAR Form 4 filings for Nautilus Biotechnology, Inc. (NAUT). Updated in real time as new filings are submitted to the SEC.

Most-Active NAUT Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
AH Equity Partners Bio II, L.L.C.	2	$11.75M
Epperly Melissa B,	1	—
Posard Matthew L.	1	—
NAZEM FARZAD	1	—
Akinsanya Karen	1	—

Recent NAUT Form 8-K Material Events

2026-06-18 — Item 5.07 [SEC]
2026-04-28 — Item 2.02, 9.01 [SEC]
2026-02-25 — Item 2.02, 9.01 · Earnings · neutral [SEC]
Nautilus Biotechnology reported financial results for Q4 2025 and full year 2025 via press release on February 26, 2026. The 8-K provides no detail on whether results beat, missed, or met expectations, nor does it contain guidance changes, revenue surprises, or other material dis

Recent Insider Filings

2026-06-22 — Posard Matthew L. (Director)
2026-06-22 — NAZEM FARZAD (Director)
2026-06-22 — Akinsanya Karen (Director)
2026-06-22 — McIlwain Matthew S (Director)
2026-06-22 — Epperly Melissa B, (Director)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in NAUT insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

NAUT Insider Trading — FAQ

What is the latest insider trade for NAUT?: Nautilus Biotechnology, Inc. (NAUT) had 6 insider filings in the last 90 days, with the most recent on 2026-06-22. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying NAUT stock?: 0 insider purchases of NAUT were filed in the last 90 days.
How many insiders are selling NAUT stock?: 0 insider sales of NAUT were filed in the last 90 days.
Where can I see NAUT SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every NAUT SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

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