Index
-
P/E
-
EPS (ttm)
-0.88
Insider Own
35.33%
Shs Outstand
8.51M
Perf Week
-2.61%
Market Cap
84.16M
Forward P/E
14.05
EPS next Y
0.66
Insider Trans
3.26%
Shs Float
5.83M
Perf Month
80.31%
Enterprise Value
127.36M
PEG
-
EPS next Q
-0.22
Inst Own
48.40%
Perf Quarter
123.44%
Income
-9.47M
P/S
3.64
EPS this Y
-130.96%
Inst Trans
0.84%
Perf Half Y
-30.61%
Sales
23.14M
P/B
-
EPS next Y
183.57%
ROA
-23.08%
Perf YTD
-48.37%
Book/sh
-4.38
P/C
10.07
EPS next 5Y
-
ROE
-
52W High
19.15 -51.21%
Perf Year
35.36%
Cash/sh
0.93
P/FCF
-
EPS past 3/5Y
- -
ROIC
-75.60%
52W Low
3.92 138.27%
Perf 3Y
-82.29%
Dividend Est.
-
EV/EBITDA
-
Sales past 3/5Y
23.85% -
Gross Margin
96.12%
Volatility
11.47% 14.04%
Perf 5Y
-97.29%
Dividend TTM
-
EV/Sales
5.50
EPS Y/Y TTM
76.14%
Oper. Margin
-26.42%
ATR (14)
1.02
Perf 10Y
-97.78%
Dividend Ex-Date
-
Quick Ratio
2.16
Sales Y/Y TTM
-88.41%
Profit Margin
-40.91%
RSI (14)
64.62
Dividend Gr. 3/5Y
- -
Current Ratio
2.16
EPS Q/Q
-108.40%
SMA20
26.52%
Beta
-0.12
Payout
0.00%
Debt/Eq
-
Sales Q/Q
-99.47%
SMA50
55.46%
Rel Volume
0.03
Prev Close
9.45
Employees
14
LT Debt/Eq
-
SMA200
-8.07%
Avg Volume
1.57M
Price
9.34
IPO
Oct 16, 2014
Option/Short
No / Yes
Trades
Volume
52,544
Change
-1.16%
Date
Action
Analyst
Rating Change
Price Target Change
May-08-26 Upgrade
Canaccord Genuity
Hold → Buy
$13
Jan-13-26 Downgrade
Canaccord Genuity
Buy → Hold
$6
Nov-09-23 Downgrade
Mizuho
Buy → Neutral
$31 → $1
Nov-09-23 Downgrade
H.C. Wainwright
Buy → Neutral
Nov-09-23 Downgrade
Evercore ISI
Outperform → In-line
Jul-20-22 Downgrade
Citigroup
Neutral → Sell
$8 → $3
Jul-13-22 Downgrade
Stifel
Buy → Hold
$16 → $5
Jul-13-22 Downgrade
JP Morgan
Overweight → Neutral
$10
May-10-22 Downgrade
Citigroup
Buy → Neutral
$15 → $8
May-13-21 Upgrade
JP Morgan
Neutral → Overweight
$23 → $29
Dec-09-20 Downgrade
Citigroup
Buy → Neutral
$20 → $27
Dec-08-20 Reiterated
H.C. Wainwright
Buy
$28 → $31
Nov-10-20 Reiterated
H.C. Wainwright
Buy
$26 → $28
Jun-30-20 Initiated
Evercore ISI
Outperform
Jun-15-20 Initiated
H.C. Wainwright
Buy
$25
Apr-23-20 Upgrade
Citigroup
Neutral → Buy
$14
Nov-08-19 Downgrade
JP Morgan
Overweight → Neutral
$43 → $22
Sep-27-19 Downgrade
Goldman
Neutral → Sell
$14 → $9
Sep-16-19 Downgrade
Jefferies
Buy → Hold
$32 → $15
Jun-04-19 Upgrade
Citigroup
Sell → Neutral
$23 → $24
Show Previous Ratings
May-20-26 09:00AM
May-12-26 04:40PM
(Associated Press)
+11.73%
+6.83%
04:05PM
May-07-26 11:03AM
10:30AM
08:05AM
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08:05AM
Apr-16-26 06:10PM
Apr-01-26 09:00AM
Mar-26-26 07:30AM
Mar-16-26 04:35PM
(Associated Press Finance)
-9.69%
-10.90%
04:05PM
Mar-12-26 08:05AM
Mar-03-26 08:05AM
06:52AM
Feb-23-26 08:00AM
11:06AM
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Jan-12-26 11:06AM
08:00AM
06:24AM
Nov-12-25 09:11AM
(Associated Press Finance)
09:00AM
Nov-10-25 08:45AM
Nov-07-25 06:45AM
Nov-06-25 06:10PM
Nov-05-25 06:25PM
Nov-03-25 09:00AM
Sep-25-25 09:28AM
Sep-03-25 06:00PM
Aug-19-25 05:00AM
Aug-11-25 05:53PM
(Associated Press Finance)
-5.80%
+11.82%
04:01PM
08:57AM
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Jul-24-25 08:57AM
08:00AM
06:55AM
Jul-15-25 08:00AM
06:31AM
Jul-14-25 08:00AM
May-16-25 08:50PM
May-15-25 08:58AM
(Associated Press Finance)
+15.13%
08:35AM
08:30AM
May-14-25 08:25AM
May-13-25 09:10AM
May-05-25 05:06PM
(Business Wire)
-7.29%
+5.79%
Apr-10-25 08:52AM
Mar-13-25 12:00PM
Mar-07-25 05:10PM
04:16PM
(Associated Press Finance)
04:01PM
Feb-14-25 09:55AM
08:11AM
Feb-07-25 04:01PM
Jan-22-25 05:00AM
Jan-21-25 01:11PM
07:30AM
Jan-17-25 07:00AM
Jan-16-25 12:28PM
08:30AM
Jan-02-25 12:00PM
Dec-04-24 07:00AM
Dec-03-24 07:00AM
Nov-27-24 04:01PM
Nov-13-24 04:01PM
(Business Wire)
+22.19%
-10.45%
Nov-12-24 05:15PM
04:13PM
(Associated Press Finance)
04:01PM
Nov-05-24 04:01PM
Oct-15-24 12:00PM
Oct-04-24 04:01PM
Sep-30-24 03:16AM
Sep-13-24 07:02PM
(GuruFocus.com)
+20.30%
-11.52%
Sep-06-24 04:01PM
(Business Wire)
-5.30%
-5.28%
Sep-04-24 04:01PM
(Business Wire)
+32.89%
+10.50%
Sep-03-24 04:16PM
Aug-12-24 06:10PM
05:07PM
(Associated Press Finance)
05:00PM
Aug-07-24 04:01PM
Jul-19-24 06:12AM
(Pharmaceutical Technology)
Jul-17-24 04:13PM
(Pharmaceutical Technology)
-12.82%
09:00AM
07:00AM
Jul-16-24 07:00AM
Jul-15-24 12:00PM
Jul-05-24 04:01PM
Jul-03-24 07:57PM
Jun-21-24 04:01PM
Jun-17-24 08:00AM
Jun-12-24 07:00AM
Jun-11-24 07:00AM
Jun-07-24 04:01PM
Jun-05-24 04:01PM
May-29-24 04:01PM
May-20-24 11:57AM
09:25AM
May-09-24 10:57PM
05:15PM
04:17PM
(Associated Press Finance)
04:01PM
May-03-24 04:01PM
Apr-05-24 04:01PM
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.
President Dr. Anhco Nguyen Ph.D.
Chief Accounting Officer & Principal Accounting Officer Ms. Yanina Grant-Huerta
Vice President of Corporate Communications & Investor Relations Alex Chapman
Head of Legal Mr. John Chao
Senior Vice President of Regulatory Affairs Mr. Jim Sesic
Insider Trading
Relationship
Date
Transaction
Cost
#Shares
Value ($)
#Shares Total
SEC Form 4
Nguyen AnhCo President and CEO May 18 '26 Sale 9.13 5,241 47,845 137,837 May 20 05:24 PM Grant-Huerta Yanina Chief Accounting Officer May 18 '26 Sale 9.13 2,414 22,036 49,636 May 20 05:24 PM Nguyen AnhCo Director May 18 '26 Proposed Sale 10.48 5,981 62,681 May 18 04:45 PM Grant-Huerta Yanina Officer May 18 '26 Proposed Sale 10.48 2,754 28,862 May 18 04:44 PM Panacea Innovation Ltd 10% Owner May 07 '26 Sale 10.10 313,446 3,165,021 1,011,000 May 11 06:45 PM EcoR1 Capital, LLC 10% Owner May 07 '26 Buy 9.35 507,407 4,744,255 1,552,000 May 11 05:34 PM Panacea Innovation Ltd 10% Owner May 07 '26 Proposed Sale 10.10 313,446 3,165,021 May 07 08:30 PM Panacea Innovation Ltd 10% Owner Mar 17 '26 Option Exercise 0.00 259,163 26 307,899 Mar 19 04:30 PM Grant-Huerta Yanina Chief Accounting Officer Mar 02 '26 Sale 5.08 2,104 10,691 31,750 Mar 04 04:28 PM Nguyen AnhCo President and CEO Mar 02 '26 Sale 5.09 2,996 15,237 61,978 Mar 04 04:28 PM Nguyen AnhCo Director Mar 02 '26 Proposed Sale 5.42 3,355 18,184 Mar 02 06:25 PM Grant-Huerta Yanina Officer Mar 02 '26 Proposed Sale 5.42 2,355 12,764 Mar 02 06:24 PM Panacea Innovation Ltd 10% Owner Jan 12 '26 Sale 6.07 80,554 489,019 1,324,446 Jan 14 09:16 PM Panacea Innovation Ltd 10% Owner Jan 12 '26 Proposed Sale 5.88 40,000 235,200 Jan 12 09:26 PM Panacea Innovation Ltd 10% Owner Nov 28 '25 Option Exercise 0.00 48,737 5 48,737 Dec 01 05:00 PM Nguyen AnhCo President and CEO Nov 17 '25 Sale 13.19 2,915 38,437 64,974 Nov 19 04:55 PM Grant-Huerta Yanina Chief Accounting Officer Nov 17 '25 Sale 13.19 1,804 23,788 33,454 Nov 19 04:55 PM Nguyen AnhCo Director Nov 17 '25 Proposed Sale 13.76 3,346 46,041 Nov 17 05:52 PM Grant-Huerta Yanina Officer Nov 17 '25 Proposed Sale 13.76 2,069 28,469 Nov 17 05:50 PM Nguyen AnhCo President and CEO Aug 18 '25 Sale 11.62 2,958 34,360 67,889 Aug 20 04:11 PM Grant-Huerta Yanina Chief Accounting Officer Aug 18 '25 Sale 11.61 1,809 21,009 35,258 Aug 20 04:08 PM Panacea Innovation Ltd 10% Owner Aug 15 '25 Buy 12.19 55,000 670,422 1,405,000 Aug 19 08:15 PM Nguyen AnhCo Director Aug 18 '25 Proposed Sale 12.29 3,346 41,122 Aug 18 04:52 PM Grant-Huerta Yanina Officer Aug 18 '25 Proposed Sale 12.29 2,048 25,170 Aug 18 04:47 PM Panacea Innovation Ltd 10% Owner Jul 17 '25 Buy 9.64 19,335 186,372 1,350,000 Jul 21 09:00 AM