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Last Close
Apr 14  •  02:23PM ET
5.16
Dollar change
+0.27
Percentage change
5.52
%
Index
-
P/E
1.77
EPS (ttm)
2.91
Insider Own
41.12%
Shs Outstand
7.32M
Perf Week
9.55%
Market Cap
42.20M
Forward P/E
-
EPS next Y
-0.78
Insider Trans
-2.62%
Shs Float
4.81M
Perf Month
-20.62%
Enterprise Value
86.52M
PEG
-
EPS next Q
-0.33
Inst Own
25.22%
Perf Quarter
-12.24%
Income
32.69M
P/S
0.35
EPS this Y
-126.68%
Inst Trans
2.24%
Perf Half Y
-63.98%
Sales
120.77M
P/B
-
EPS next Y
-13.02%
ROA
49.91%
Perf YTD
-71.48%
Book/sh
-5.26
P/C
4.98
EPS next 5Y
-
ROE
-
52W High
19.15 -73.05%
Perf Year
-11.79%
Cash/sh
1.04
P/FCF
-
EPS past 3/5Y
- -
ROIC
929.16%
52W Low
3.92 31.63%
Perf 3Y
-92.33%
Dividend Est.
-
EV/EBITDA
1.80
Sales past 3/5Y
23.85% -
Gross Margin
82.44%
Volatility
10.88% 9.79%
Perf 5Y
-98.51%
Dividend TTM
-
EV/Sales
0.72
EPS Y/Y TTM
122.88%
Oper. Margin
37.98%
ATR (14)
0.55
Perf 10Y
-99.02%
Dividend Ex-Date
-
Quick Ratio
0.82
Sales Y/Y TTM
-6.33%
Profit Margin
27.07%
RSI (14)
50.84
Dividend Gr. 3/5Y
- -
Current Ratio
0.82
EPS Q/Q
60.84%
SMA20
5.65%
Beta
-0.31
Payout
0.00%
Debt/Eq
-
Sales Q/Q
-95.13%
SMA50
2.72%
Rel Volume
0.21
Prev Close
4.89
Employees
14
LT Debt/Eq
-
SMA200
-51.41%
Avg Volume
309.26K
Price
5.16
IPO
Oct 16, 2014
Option/Short
No / Yes
Trades
Volume
50,100
Change
5.52%
Date Action Analyst Rating Change Price Target Change
Jan-13-26Downgrade Canaccord Genuity Buy → Hold $6
Nov-09-23Downgrade Mizuho Buy → Neutral $31 → $1
Nov-09-23Downgrade H.C. Wainwright Buy → Neutral
Nov-09-23Downgrade Evercore ISI Outperform → In-line
Jul-20-22Downgrade Citigroup Neutral → Sell $8 → $3
Jul-13-22Downgrade Stifel Buy → Hold $16 → $5
Jul-13-22Downgrade JP Morgan Overweight → Neutral $10
May-10-22Downgrade Citigroup Buy → Neutral $15 → $8
May-13-21Upgrade JP Morgan Neutral → Overweight $23 → $29
Dec-09-20Downgrade Citigroup Buy → Neutral $20 → $27
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Atara Biotherapeutics, Inc. is an allogeneic T-cell immunotherapy company, which engages in the development of transformative therapies for patients with serious diseases including solid tumors, hematologic cancers, and autoimmune diseases. It also delivers off-the-shelf treatments to patients with high unmet medical need. Its product pipeline includes Tab-cel, ATA188, ATA2271/ATA3271, and ATA3219. The company was founded by Isaac E. Ciechanover on August 22, 2012 and is headquartered in Thousand Oaks, CA.
Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total SEC Form 4
Panacea Innovation Ltd10% OwnerMar 17 '26Option Exercise0.00259,16326307,899Mar 19 04:30 PM
Grant-Huerta YaninaChief Accounting OfficerMar 02 '26Sale5.082,10410,69131,750Mar 04 04:28 PM
Nguyen AnhCoPresident and CEOMar 02 '26Sale5.092,99615,23761,978Mar 04 04:28 PM
Nguyen AnhCoDirectorMar 02 '26Proposed Sale5.423,35518,184Mar 02 06:25 PM
Grant-Huerta YaninaOfficerMar 02 '26Proposed Sale5.422,35512,764Mar 02 06:24 PM
Panacea Innovation Ltd10% OwnerJan 12 '26Sale6.0780,554489,0191,324,446Jan 14 09:16 PM
Panacea Innovation Ltd10% OwnerJan 12 '26Proposed Sale5.8840,000235,200Jan 12 09:26 PM
Panacea Innovation Ltd10% OwnerNov 28 '25Option Exercise0.0048,737548,737Dec 01 05:00 PM
Nguyen AnhCoPresident and CEONov 17 '25Sale13.192,91538,43764,974Nov 19 04:55 PM
Grant-Huerta YaninaChief Accounting OfficerNov 17 '25Sale13.191,80423,78833,454Nov 19 04:55 PM
Nguyen AnhCoDirectorNov 17 '25Proposed Sale13.763,34646,041Nov 17 05:52 PM
Grant-Huerta YaninaOfficerNov 17 '25Proposed Sale13.762,06928,469Nov 17 05:50 PM
Nguyen AnhCoPresident and CEOAug 18 '25Sale11.622,95834,36067,889Aug 20 04:11 PM
Grant-Huerta YaninaChief Accounting OfficerAug 18 '25Sale11.611,80921,00935,258Aug 20 04:08 PM
Panacea Innovation Ltd10% OwnerAug 15 '25Buy12.1955,000670,4221,405,000Aug 19 08:15 PM
Nguyen AnhCoDirectorAug 18 '25Proposed Sale12.293,34641,122Aug 18 04:52 PM
Grant-Huerta YaninaOfficerAug 18 '25Proposed Sale12.292,04825,170Aug 18 04:47 PM
Panacea Innovation Ltd10% OwnerJul 17 '25Buy9.6419,335186,3721,350,000Jul 21 09:00 AM
Grant-Huerta YaninaChief Accounting OfficerMay 16 '25Sale6.762,21815,00037,067May 20 04:59 PM
Nguyen AnhCoPresident and CEOMay 16 '25Sale6.763,27622,15670,847May 20 04:58 PM
Nguyen AnhCoDirectorMay 16 '25Proposed Sale7.613,47126,414May 16 07:32 PM
Grant-Huerta YaninaOfficerMay 16 '25Proposed Sale7.612,35017,884May 16 07:27 PM