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ATOSSA THERAPEUTICS, INC.

For the period ended Jun 30, 2026. Filed Aug 7, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 7, 2026

ATOS$2.14+0.5%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Condensed Consolidated Statements of Stockholders' Equity

(amounts in thousands, except share data)

Convertible Preferred Stock · Common Stock · Additional · Treasury Stock · Accumulated · Total Stockholders'
SharesAmountSharesAmountPaid-in CapitalAmountDeficitEquity
Balance at December 31, 2024582$—8,611,266$1,550$283,194$(1,475)$(211,792)$71,477
Stock-based compensation————563——563
Net loss——————(6,718)(6,718)
Balance at March 31, 2025582$—8,611,266$1,550$283,757$(1,475)$(218,510)$65,322
Issuance of common stock upon Series B preferred stock conversion(5)—95—————
Stock-based compensation————796——796
Net loss——————(8,423)(8,423)
Balance at June 30, 2025577$—8,611,361$1,550$284,553$(1,475)$(226,933)$57,695
Convertible Preferred Stock · Common Stock · Additional · Treasury Stock · Accumulated · Total Stockholders'
SharesAmountSharesAmountPaid-in CapitalAmountDeficitEquity
Balance at December 31, 2025577$—8,611,361$1,550$285,840$(1,475)$(246,562)$39,353
Stock-based compensation————722——722
Net loss——————(9,589)(9,589)
Balance at March 31, 2026577$—8,611,361$1,550$286,562$(1,475)$(256,151)$30,486
Stock-based compensation————815——815
Issuance of common stock under ATM program, net of issuance costs——4,300120——21
Registered direct offering——1,363,6372454,255——4,500
Issuance costs relating to registered direct offering————(501)——(501)
Net loss——————(8,491)(8,491)
Balance at June 30, 2026577$—9,979,298$1,796$291,151$(1,475)$(264,642)$26,830
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.