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Atara Biotherapeutics, Inc.

For the period ended Dec 31, 2025. Filed Mar 16, 2026.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 16, 2026

ATRA$8.10-1.0%Stored close · as of Nov 10, 2026

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

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Contents

Consolidated Statements of Stockholders’ Equity (Deficit)

Consolidated Statements of Changes in Stockholders’ Equity (Deficit)

(In thousands)

Accumulated
Common · Additional · Other · Total
Stock · Paid-in · Comprehensive · Accumulated · Stockholders’
SharesAmountCapitalIncome (Loss)DeficitEquity (Deficit)
Balance as of January, 1 20244,258$—$1,870,123$(204)$(1,969,150)$(99,231)
Issuance of common stock and pre-funded warrants to purchase common stock through a registered direct offering, net of offering costs of $397759150,602——50,603
Issuance of common stock through ATM facilities, net of commissions and offering costs of $168493—9,312——9,312
Exercise of pre-funded warrants9————-
RSU settlements, net of shares withheld314—(7)——(7)
Issuance of common stock pursuant to employee stock awards26—230——230
Stock-based compensation expense——27,001——27,001
Net loss————(85,403)(85,403)
Unrealized gain (loss) on available-for-sale securities———212—212
Balance as of December 31, 20245,85911,957,2618(2,054,553)(97,283)
Issuance of common stock and pre-funded warrants to purchase common stock through a registered direct offering, net of offering costs of $522834—14,843——14,843
Issuance of common stock through ATM facilities, net of commissions and offering costs of $48125—1,471——1,471
Exercise of pre-funded warrants49————-
RSU settlements, net of shares withheld453—(1)——(1)
Issuance of common stock pursuant to employee stock awards4—35——35
Stock-based compensation expense——9,752——9,752
Net income————32,68832,688
Unrealized gain (loss) on available-for-sale securities———(7)—(7)
Balance as of December 31, 20257,324$1$1,983,361$1$(2,021,865)$(38,502)
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.