ATRA

Atara Biotherapeutics, Inc.
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Company Information

Company Name
Atara Biotherapeutics, Inc.
CIK
CIK0001604464
Category
Non-accelerated filer<br>Smaller reporting company
Ticker: Exchange
ATRA: Nasdaq
Fiscal Year End
December 31
Owner Organization
03 Life Sciences
SIC
2836
SIC Description
Biological Products, (No Diagnostic Substances)
Ticker
ATRA

SEC filing data through

Insider Sentiment

Last purchase
2026-09-04
Last sale
2026-08-17
Shares purchased (TTM)
611,573
Shares sold (TTM)
416,536
Buy ratio (TTM)59.5%

Institutional Sentiment

As of
2026-06-30
Institutional shares owned
4,429,148
Shares outstanding
15,033,000
Ownership
29.46%
+15.37% Y/Y

Earnings Market Reaction

Filing date
2026-08-12
Price on filing date
—
1-month reaction
5.80%
3-month reaction
…
Drift continued5/11 (45%)
Faded / reversed6/11 (55%)

Balance Sheet

Values in millions ($)
Line item2026-06-302026-03-312025-12-312025-09-302025-06-302025-03-312024-12-312024-09-302024-06-302024-03-312023-12-312023-09-30Subscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnTrend
Assets Current
Cash And Cash Equivalents At Carrying Value38861714254631352665
Short Term Investments7-085017214112638
Restricted Cash Current--0000000000
Accounts Receivable Net Current00120911236340
Inventory Net--000011141916107
Other Assets Current3423241096869
Assets Current141212182527659262106102119
Property Plant And Equipment Net000000122345
Operating Lease Right Of Use Asset777111132404649525559
Other Assets Noncurrent111113334456
Assets212020303762109143117165166189
Liabilities Current
Accounts Payable Current110021425347
Employee Related Liabilities Current11123578761214
Deferred Income Current1111216951161081237812
Other Liabilities Current3335824202426333223
Liabilities Current761518154813515614818114279
Contract With Customer Liability Noncurrent----0000113874
Operating Lease Liability Noncurrent999151527303539424649
Other Liabilities Noncurrent222223344455
Liabilities5857596772117206233228264265240
Stockholders Equity
Common Stock Value000000000000
Additional Paid In Capital Common Stock1,9941,9891,9831,9821,9791,9611,9571,9511,9091,9031,8701,858
Accumulated Other Comprehensive Income Loss Net Of Tax-00000000-0-0-0-1
Retained Earnings Accumulated Deficit-2,031-2,026-2,022-2,018-2,014-2,017-2,055-2,042-2,020-2,001-1,969-1,909
Stockholders Equity-37-37-39-37-35-55-97-91-111-98-99-51
Liabilities And Stockholders Equity212020303762109143117165166189
Common Stock Par Or Stated Value Per Share0.000.000.000.000.000.000.000.000.000.000.000.00
Common Stock Shares Authorized500500500500500500500500500500500500
Common Stock Shares Issued997776665544
Shares Outstanding997776665544

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Atara Biotherapeutics, Inc. (ATRA) — SEC Financial Statements & Analysis

Atara Biotherapeutics, Inc. (ATRA) is a biological products, (no diagnostic substances) company, incorporated in DE. Atara Biotherapeutics, Inc. trades on Nasdaq as: ATRA. Atara Biotherapeutics, Inc. (ATRA)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-12. Based on that filing, Atara Biotherapeutics, Inc. carries a market cap of $172.58M, a P/E ratio of -10.34x, a P/B ratio of -4.66x, a P/S ratio of 395.82x, an enterprise value of $169.36M, and an EV/EBITDA multiple of -12.01x. On profitability, it posts a gross margin of 747.71%, an operating margin of -3262.84%, a net margin of -3827.52%, a Return on Equity (ROE) of 46.33%, and a Return on Assets (ROA) of -57.62%. Per share, it reports EPS of $-1.11, diluted EPS of $-1.11, free cash flow per share of $-1.46, and a dividend per share of $0.00. Over the trailing year, it posted revenue growth of -99.41% year-over-year, net income growth of -387.97% year-over-year, and EPS growth of -333.65% year-over-year. On the balance sheet, it maintains a current ratio of 1.98x, a quick ratio of 1.98x, working capital of $6.68M, a debt-to-equity ratio of -1.57x, a debt ratio of 2.76, an interest coverage ratio of -5.04x, free cash flow of $-21.89M (TTM), and net debt of $-3.22M. Figures sourced from SEC EDGAR.

Market Cap
$172.58M
P/E TTM
-10.34x
EPS TTM
$-1.11
P/B TTM
-4.66x
ROE TTM
46.33%
ROA TTM
-57.62%
Debt To Equity
-1.57x
Free Cash Flow TTM
$-21.89M
Net Revenue TTM Growth 1Y
-99.41%

Data as of 2026-06-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is Atara Biotherapeutics, Inc. in?

Atara Biotherapeutics, Inc. (ATRA) operates in the Biological Products, (No Diagnostic Substances) industry.

What exchange does ATRA trade on?

Atara Biotherapeutics, Inc. (ATRA) trades on the Nasdaq.

Where is Atara Biotherapeutics, Inc. incorporated?

Atara Biotherapeutics, Inc. is incorporated in DE.

When was Atara Biotherapeutics, Inc. (ATRA)'s most recent SEC filing?

Atara Biotherapeutics, Inc. (ATRA)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-12.

What is ATRA's market cap?

Atara Biotherapeutics, Inc. (ATRA) has a market capitalization of $172.58M as of 2026-06-30.

What is ATRA's EPS (earnings per share)?

Atara Biotherapeutics, Inc. (ATRA)'s trailing twelve month EPS is $-1.11 as of 2026-06-30.

What is ATRA's ROE (return on equity)?

Atara Biotherapeutics, Inc. (ATRA)'s trailing twelve month Return on Equity (ROE) is 46.33% as of 2026-06-30.

What is ATRA's ROA (return on assets)?

Atara Biotherapeutics, Inc. (ATRA)'s trailing twelve month Return on Assets (ROA) is -57.62% as of 2026-06-30.

What is ATRA's EV/EBITDA?

Atara Biotherapeutics, Inc. (ATRA)'s trailing twelve month EV/EBITDA is -12.01x as of 2026-06-30.

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