ATOS Stock Premarket

Atossa Therapeutics, Inc. Common Stock
ATOSNASDAQ • USD
2.55 USD
↗ 0.05 (2.21%)PRE MARKET (AS OF 05:29 AM EDT)
🔴Market: CLOSED

Premarket trading runs 4:00 AM – 9:30 AM ET.

ATOS last traded at $2.54 in premarket, up $0.05 (2.21%) from its previous close of $2.49.

📅 ATOS is expected to report earnings around Aug 17, 2026 (estimated), with an estimated EPS of $-0.94. ATOS earnings details →

ATOS Premarket Chart

ATOS Premarket News

7d ago
ATOS: Raises up to $16.5 Million in Registered Direct Offering
22d ago
Reminder: Tomorrow at 11:00 a.m. ET, Atossa Therapeutics CEO Steven Quay, MD, PhD, joins Nicholas Wade for a virtual discussion hosted by Demy-Colton. The conversation will explore the opportunities and risks created by advances in the life sciences, including lessons from COVID-19 and consider
26d ago
ATOSSA THERAPEUTICS, INC.: Form 424B5 - Prospectus [Rule 424(b)(5)]
27d ago
For nearly 50 years, tamoxifen has been a cornerstone of endocrine therapy in breast cancer. Atossa Therapeutics is evaluating a different approach through direct administration of (Z)-endoxifen, the active metabolite of tamoxifen. CEO Dr. Steven Quay (@quay_dr) recently joined @proactive_x's H
27d ago
On June 15, Atossa Therapeutics CEO @quay_dr will join Hudson Institute in Washington, D.C., for a discussion of his new book, “The Code as Witness.” The event will explore COVID-19 origins, scientific accountability and approaches to reducing future biological risks while preserving lifesa

Gap Analytics — 5-year history, 5% minimum gap

No qualifying gap events found for ATOS.

Frequently Asked Questions

What is ATOS's premarket price?

Atossa Therapeutics (ATOS) is trading at $2.54 in premarket, up $0.05 (2.21%) from the previous close of $2.49.

Why is ATOS moving in premarket?

Atossa Therapeutics (ATOS) is up 2.21% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest ATOS premarket headlines and gap history below for the likely catalyst.

When does ATOS premarket trading start?

Premarket trading for ATOS on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.

When does ATOS report earnings?

ATOS is expected to report earnings around Aug 17, 2026 (estimated), with an estimated EPS of $-0.94.

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