AMIX 424B3: Secondary offering

Autonomix Medical, Inc.

Filed with the SEC on · accession 0001437749-26-030570

AMIX filed a 424B3 (prospectus (offering)) with the SEC on Sep 16, 2026. Autonomix Medical, Inc. filed a prospectus for the resale of up to 1,071,826 shares of common stock by a selling stockholder upon exercise of Series E warrants with an exercise price of $6.25 per share. The stock moved -2.1% by the first close after the filing.

Summary of the filing

Autonomix Medical, Inc. filed a prospectus for the resale of up to 1,071,826 shares of common stock by a selling stockholder upon exercise of Series E warrants with an exercise price of $6.25 per share. The company will not receive proceeds from the resale but may receive up to $6.7 million if all warrants are exercised for cash.

Key details

Maximum gross proceeds from cash exercise of warrants$6.7M
Exercise price per share of Series E warrants$6
Number of shares issuable upon exercise of warrants$1.1M
IssuerAutonomix Medical, Inc.

How AMIX stock reacted

Close before

$4.21

Sep 15, 2026

First close after

-2.14%

$4.12

5 trading days

-1.90%

$4.13

Since filing

-55.82%

$1.86

✦ Ask GOAX AI about this filing — what it means for AMIX, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for AMIX?

Click here

Frequently asked questions

What did AMIX file with the SEC on Sep 16, 2026?

AMIX filed a 424B3 (Secondary offering). Autonomix Medical, Inc. filed a prospectus for the resale of up to 1,071,826 shares of common stock by a selling stockholder upon exercise of Series E warrants with an exercise price of $6.25 per share. The company will not receive proceeds from the resale but may receive up to $6.7 million if all warrants are exercised for cash.

What does a secondary offering mean for AMIX stock?

New shares dilute existing holders and are often sold at a discount to the market price.

How do I read a 424B3?

The final terms of an offering of shares or bonds. Look at price, number of shares and the discount to the market price. Large offerings dilute existing shareholders.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 424B3 (prospectus (offering)): The final terms of an offering of shares or bonds.

How did AMIX stock react to this filing?

AMIX closed at $4.21 before the filing and $4.12 on Sep 16, 2026 (-2.14%). Five trading days later: $4.13 (-1.90%).

Other AMIX SEC filings

Get alerts when AMIX files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days