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Trade Date*
Filing Date*
Insider Name
Buy/Sell
Company Name
Ticker
Price*
Amount
Shares Change
May 29, 2019
May 31, 2019
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$23.09
$135,089
-0.93%
May 13, 2019
May 15, 2019
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$24.61
$191,973
-1.23%
Apr 25, 2019
Apr 29, 2019
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$33.54
$261,582
-1.21%
Apr 10, 2019
Apr 12, 2019
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$36.66
$285,909
-1.20%
Mar 28, 2019
Apr 01, 2019
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$38.66
$301,546
-1.18%
Mar 14, 2019
Mar 18, 2019
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$39.48
$307,953
-1.17%
Feb 27, 2019
Mar 01, 2019
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$36.14
$281,891
-1.15%
Feb 11, 2019
Feb 13, 2019
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$38.77
$302,367
-1.14%
Jan 23, 2019
Jan 26, 2019
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$35.06
$273,433
-1.06%
Jan 09, 2019
Jan 10, 2019
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$34.55
$269,470
-1.05%
Dec 27, 2018
Dec 28, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$33.88
$264,233
-1.04%
Dec 12, 2018
Dec 13, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$42.66
$332,709
-1.03%
Nov 28, 2018
Nov 30, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$40.39
$315,035
-1.01%
Nov 14, 2018
Nov 16, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$34.62
$270,052
-1.00%
Oct 22, 2018
Oct 23, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$33.95
$264,796
-0.99%
Oct 04, 2018
Oct 05, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$40.22
$313,753
-0.98%
Sep 18, 2018
Sep 20, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$39.81
$310,479
-0.89%
Sep 06, 2018
Sep 10, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$39.35
$306,923
-0.88%
Aug 20, 2018
Aug 22, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$36.37
$283,647
-0.87%
Aug 06, 2018
Aug 07, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$37.43
$291,957
-0.86%
Jul 26, 2018
Jul 30, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$38
$296,432
-0.86%
Jul 09, 2018
Jul 11, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$40
$2M
-6.03%
Jun 26, 2018
Jun 27, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$39.6
$253,425
-0.66%
Jun 05, 2018
Jun 06, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$48.56
$427,288
-0.89%
May 21, 2018
May 22, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$51.74
$455,313
-0.89%
May 09, 2018
May 10, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$39.85
$350,637
-0.88%
Apr 26, 2018
Apr 30, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$42.46
$373,659
-0.87%
Apr 11, 2018
Apr 12, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$41.87
$368,472
-0.86%
Mar 27, 2018
Apr 03, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$38.4
$7,680
-0.10%
Mar 26, 2018
Mar 28, 2018
Ciechanover Isaac E.
CEO
Sell
Atara Biotherapeutics, Inc.
ATRA
$38.59
$339,549
-0.71%