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ATRA – atara biotherapeutics, inc. (US:NASDAQ)
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Main News & Impact Reports
Date
Time
Symbol
Headline
Impact
3/16
04:45 pm
atra
Atara Biotherapeutics: Q4 Earnings Snapshot [Yahoo! Finance]
High
Report
Atara Biotherapeutics: Q4 Earnings Snapshot [Yahoo! Finance]
3/16
04:05 pm
atra
Atara Biotherapeutics Announces Fourth Quarter and Full Year 2025 Financial Results and Operational Progress
Medium
Report
Atara Biotherapeutics Announces Fourth Quarter and Full Year 2025 Financial Results and Operational Progress
3/12
08:05 am
atra
Atara Biotherapeutics Provides Regulatory Update on Tabelecleucel
High
Report
Atara Biotherapeutics Provides Regulatory Update on Tabelecleucel
3/3
08:23 am
atra
Atara Biotherapeutics Provides Regulatory Update on Tabelecleucel [Yahoo! Finance]
High
Report
Atara Biotherapeutics Provides Regulatory Update on Tabelecleucel [Yahoo! Finance]
3/3
08:05 am
atra
Atara Biotherapeutics Provides Regulatory Update on Tabelecleucel
High
Report
Atara Biotherapeutics Provides Regulatory Update on Tabelecleucel
2/23
08:00 am
atra
Atara Biotherapeutics Provides a Business Update
Low
Report
Atara Biotherapeutics Provides a Business Update
2/12
06:56 pm
atra
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Atara Biotherapeutics, Inc. - ATRA
Low
Report
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Atara Biotherapeutics, Inc. - ATRA
2/3
01:33 pm
atra
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Atara Biotherapeutics, Inc. - ATRA
Low
Report
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Atara Biotherapeutics, Inc. - ATRA
Date
Time
Symbol
Company Name
Action
%Chg
3/16/2026
04:05 pm
ATRA
atara biotherapeutics, inc.
MISS
Report
-10.9%
atara biotherapeutics, inc.
11/12/2025
09:00 am
ATRA
atara biotherapeutics, inc.
BEAT
Report
0.7%
atara biotherapeutics, inc.
5/15/2025
08:35 am
ATRA
atara biotherapeutics, inc.
BEAT
Report
5.4%
atara biotherapeutics, inc.
Date
Time
Symbol
Headline
Impact
3/17
04:17 pm
atra
Form S-3 Atara Biotherapeutics,
Neutral
Report
Form S-3 Atara Biotherapeutics,
3/16
04:20 pm
atra
Form 424B5 Atara Biotherapeutics,
High
Report
Form 424B5 Atara Biotherapeutics,
3/16
04:16 pm
atra
Form 10-K Atara Biotherapeutics, For: Dec 31
High
Report
Form 10-K Atara Biotherapeutics, For: Dec 31
3/16
04:10 pm
atra
Form 8-K Atara Biotherapeutics, For: Mar 16
High
Report
Form 8-K Atara Biotherapeutics, For: Mar 16
3/12
08:10 am
atra
Form 8-K Atara Biotherapeutics, For: Mar 12
High
Report
Form 8-K Atara Biotherapeutics, For: Mar 12
3/11
05:46 pm
atra
Form 4 Atara Biotherapeutics, For: Mar 09 Filed by: Nguyen AnhCo
High
Report
Form 4 Atara Biotherapeutics, For: Mar 09 Filed by: Nguyen AnhCo
3/11
05:45 pm
atra
Form 4 Atara Biotherapeutics, For: Mar 09 Filed by: Grant-Huerta Yanina
High
Report
Form 4 Atara Biotherapeutics, For: Mar 09 Filed by: Grant-Huerta Yanina
3/4
04:28 pm
atra
Form 4 Atara Biotherapeutics, For: Mar 02 Filed by: Nguyen AnhCo
Medium
Report
Form 4 Atara Biotherapeutics, For: Mar 02 Filed by: Nguyen AnhCo
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Main News & Impact Reports
TOP News Gainers
3/19
Atara Biotherapeutics Inc (NASDAQ: ATRA) was downgraded by analysts at BidaskClub from a "sell" rating to a "strong sell" rating.
25.1%
11/7 Atara Biotherapeutics Announces Third Quarter 2019 Financial Results and Recent Clinical, Operational and Strategic Progress 11.2%
2/5 Atara Biotherapeutics Names Kristin Yarema as Chief Commercial Officer 8.5%
8/9 Atara Biotherapeutics, Inc. (ATRA) CEO Pascal Touchon on Q2 2019 Results - Earnings Call Transcript [Seeking Alpha] 6.1%
9/10 Atara Biotherapeutics Inc (NASDAQ: ATRA) was upgraded by analysts at BidaskClub from a "sell" rating to a "hold" rating. 6.0%
2/27 Atara Biotherapeutics, Inc. (ATRA) CEO Pascal Touchon on Q4 2019 Results - Earnings Call Transcript [Seeking Alpha] 5.8%
3/3 Form 4 Atara Biotherapeutics, For: Mar 01 Filed by: Touchon Pascal 5.8%
7/18 Form 424B5 Atara Biotherapeutics, 5.7%
4/22 Atara Biotherapeutics Reports Inducement Grants Under Nasdaq Listing Rule 5635(C)(4) 5.7%
12/11 Atara Biotherapeutics Inc (NASDAQ: ATRA) was upgraded by analysts at BidaskClub from a "sell" rating to a "hold" rating. 5.5%
11/7 Atara Biotherapeutics Announces Third Quarter 2019 Financial Results and Recent Clinical, Operational and Strategic Progress 11.2%
2/5 Atara Biotherapeutics Names Kristin Yarema as Chief Commercial Officer 8.5%
8/9 Atara Biotherapeutics, Inc. (ATRA) CEO Pascal Touchon on Q2 2019 Results - Earnings Call Transcript [Seeking Alpha] 6.1%
9/10 Atara Biotherapeutics Inc (NASDAQ: ATRA) was upgraded by analysts at BidaskClub from a "sell" rating to a "hold" rating. 6.0%
2/27 Atara Biotherapeutics, Inc. (ATRA) CEO Pascal Touchon on Q4 2019 Results - Earnings Call Transcript [Seeking Alpha] 5.8%
3/3 Form 4 Atara Biotherapeutics, For: Mar 01 Filed by: Touchon Pascal 5.8%
7/18 Form 424B5 Atara Biotherapeutics, 5.7%
4/22 Atara Biotherapeutics Reports Inducement Grants Under Nasdaq Listing Rule 5635(C)(4) 5.7%
12/11 Atara Biotherapeutics Inc (NASDAQ: ATRA) was upgraded by analysts at BidaskClub from a "sell" rating to a "hold" rating. 5.5%
TOP News Decliners
5/9
Q1/2019 3/31/2019 EPS -1.440 ZacksConsensus -1.480 ActVsEst 0.040 - Beat
-20.6%
7/16 Atara Biotherapeutics Announces Plan to Initiate Tab-cel® FDA Biologics License Application Submission Next Year -11.9%
2/21 Atara Biotherapeutics Reports Inducement Grants Under Nasdaq Listing Rule 5635(C)(4) -10.3%
5/12 Atara Biotherapeutics, Inc. 2019 Q1 - Results - Earnings Call Slides [Seeking Alpha] -8.6%
2/19 Atara Biotherapeutics to Announce Fourth Quarter and Full Year 2019 Financial Results on Thursday, February 27, 2020 -8.4%
10/29 Atara Biotherapeutics Inc (NASDAQ: ATRA) was downgraded by analysts at BidaskClub from a "hold" rating to a "sell" rating. -7.7%
5/7 Atara Biotherapeutics Inc (NASDAQ: ATRA) was upgraded by analysts at BidaskClub from a "sell" rating to a "hold" rating. -7.7%
7/16 Atara Biotherapeutics Inc (NASDAQ: ATRA) was upgraded by analysts at Zacks Investment Research from a "sell" rating to a "hold" rating. -7.3%
6/29 Atara Biotherapeutics Presents Initial ATA188 Phase 1 Safety Results for Patients with Progressive Multiple Sclerosis at the 5th Congress of the European Academy of Neurology (EAN) -7.2%
8/1 Atara Biotherapeutics to Announce Second Quarter 2019 Financial Results and Host Conference Call on Thursday, August 8, 2019 -7.1%
7/16 Atara Biotherapeutics Announces Plan to Initiate Tab-cel® FDA Biologics License Application Submission Next Year -11.9%
2/21 Atara Biotherapeutics Reports Inducement Grants Under Nasdaq Listing Rule 5635(C)(4) -10.3%
5/12 Atara Biotherapeutics, Inc. 2019 Q1 - Results - Earnings Call Slides [Seeking Alpha] -8.6%
2/19 Atara Biotherapeutics to Announce Fourth Quarter and Full Year 2019 Financial Results on Thursday, February 27, 2020 -8.4%
10/29 Atara Biotherapeutics Inc (NASDAQ: ATRA) was downgraded by analysts at BidaskClub from a "hold" rating to a "sell" rating. -7.7%
5/7 Atara Biotherapeutics Inc (NASDAQ: ATRA) was upgraded by analysts at BidaskClub from a "sell" rating to a "hold" rating. -7.7%
7/16 Atara Biotherapeutics Inc (NASDAQ: ATRA) was upgraded by analysts at Zacks Investment Research from a "sell" rating to a "hold" rating. -7.3%
6/29 Atara Biotherapeutics Presents Initial ATA188 Phase 1 Safety Results for Patients with Progressive Multiple Sclerosis at the 5th Congress of the European Academy of Neurology (EAN) -7.2%
8/1 Atara Biotherapeutics to Announce Second Quarter 2019 Financial Results and Host Conference Call on Thursday, August 8, 2019 -7.1%
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