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Atara Biotherapeutics (ATRA) Q2 2026 earnings results (second quarter 2026)

10-Q filed Aug 12, 2026

Atara Biotherapeutics (ATRA) reported revenue of $630K for the second quarter 2026 (Q2 2026), -96% from a year earlier and +22% from the quarter before. Operating margin was -749.2%, net loss $4.8M (767.3% of revenue).

Revenue$630K
Year over year-96%
Quarter over quarter+22%
Operating margin-749.2%
Net earnings−$4.8M

Atara Biotherapeutics, Q2 2026: revenue $630K (-96% year over year), operating margin -749.2%, net loss $4.8M, operating cash flow −$3.3M. The chart follows the revenue to costs, profit and cash.

Q2 2026AmountQ/QY/Y
Revenue$630K+22%-96%
Operating profit−$4.7M—-248%
Net earnings−$4.8M—-303%
Operating cash flow−$3.3M——

What changed

Revenue was $630K in Q2 2026, down 96% year over year and up 22% from the previous quarter.

Operating costs exceeded revenue by $4.7M, an operating margin of -749.2%. Total costs fell 63% while revenue fell 96%. The quarter ended with a net loss of $4.8M, wider than the previous quarter's $4.1M loss.

Operating cash flow was −$3.3M. Non-cash charges added back $14K of depreciation and amortization and $394K of share-based compensation. Working capital and other items added $1.1M.

Questions

What was Atara Biotherapeutics' revenue in the second quarter 2026?

Atara Biotherapeutics (ATRA) reported revenue of $630K for the second quarter 2026 (Q2 2026), -96% from a year earlier and +22% from the quarter before.

Was Atara Biotherapeutics profitable in the second quarter 2026?

Operating loss was $4.7M (-749.2% of revenue) and net loss $4.8M.

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Source: Atara Biotherapeutics 10-Q on SEC EDGAR.