Atara Biotherapeutics, Inc. Common Stock (ATRA)

Typically moves ±10.10% on earnings
EARNINGS ANALYTICS
event_note Approx. Next Earnings: ~2026-11-12 APPROXIMATE
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Atara Biotherapeutics, Inc. Common Stock (ATRA) has reported earnings 20 times since Aug 09, 2021. The stock moves an average of ±10.10% the day after reporting, closing higher 40.0% of the time. Its largest post-earnings gain was +28.94% (Aug 08, 2022) and its largest decline was -20.44% (Feb 28, 2022). The next earnings report is predicted for 2026-11-12 (approximate).

Earnings reactions

How ATRA moved on each past earnings report.

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Earnings Impact

Total Earnings

20

Avg Abs. Movement

±10.10%

Positive %

40.0%

Negative %

60.0%

Historical Earnings Statistics

Date Timing Earnings move SEC Filing
Aug 12, 2026 ☽ POST -5.55% open_in_new
Mar 16, 2026 ☽ POST -10.75% open_in_new
Nov 12, 2025 ☀ PRE -3.28% open_in_new
Aug 11, 2025 ☽ POST +7.54% open_in_new
event

Earnings Count

20

Total earnings in dataset

trending_up

Avg Abs. Movement

±10.10%

Avg % price change on earnings

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SEC Filings

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Browse all SEC filings

account_balance

Institutional ownership

Holdings as of Jun 30, 2026 · SEC 13-F

View all 11 →
11
Funds holding
$1679734
Total value held
Buying
8 added · 0 reduced
Blackrock, Inc.
$969544 +6.88%
State Street Corp
$303680 Held
Northern Trust Corp
$190465 +34.45%
Morgan Stanley
$105368 +0.10%
Royal Bank Of Canada
$55000 +9.82%

SEC Filing Types

Recent SEC Filings

10 most recent
Form Date Filed View on EDGAR
4 20260904 open_in_new SEC.gov
144 20260826 open_in_new SEC.gov
4 20260826 open_in_new SEC.gov
SCHEDULE 13G/A 20260814 open_in_new SEC.gov
10-Q 20260812 open_in_new SEC.gov
8-K 20260812 open_in_new SEC.gov
4 20260724 open_in_new SEC.gov
SCHEDULE 13D/A 20260724 open_in_new SEC.gov
3 20260706 open_in_new SEC.gov
8-K 20260626 open_in_new SEC.gov

Frequently asked about ATRA earnings

When does Atara Biotherapeutics, Inc. Common Stock report earnings next? expand_more

Atara Biotherapeutics, Inc. Common Stock (ATRA)'s next earnings date is approximate for 2026-11-12. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does ATRA stock move after earnings? expand_more

Over 20 reports, ATRA has moved an average of ±10.10% the session after earnings, closing higher 40.0% of the time.

What was ATRA's biggest post-earnings move? expand_more

ATRA's largest post-earnings gain on record was +28.94% on Aug 08, 2022, and its largest decline was -20.44% on Feb 28, 2022.

Where can I find Atara Biotherapeutics, Inc. Common Stock's SEC filings? expand_more

All of Atara Biotherapeutics, Inc. Common Stock's SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.

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