13D/13G Filings - Atara Biotherapeutics Inc. (ATRA)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
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Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2021-02-16
4:23 pm
Sale
2020-12-31 13G Atara Biotherapeutics, Inc.
ATRA
BRIDGER MANAGEMENT LLC 60,990
1.800%
-56,324decrease
(-48.01%)
Filing
History
2021-02-16
4:09 pm
Purchase
2020-12-31 13G Atara Biotherapeutics, Inc.
ATRA
Redmile Group LLC 314,545
9.900%
94,780increase
(+43.13%)
Filing
History
2021-02-16
1:41 pm
Purchase
2020-12-31 13G Atara Biotherapeutics, Inc.
ATRA
Maverick Capital, Ltd. 292,982
8.900%
94,644increase
(+47.72%)
Filing
History
2021-02-16
08:19 am
Sale
2020-12-31 13G Atara Biotherapeutics, Inc.
ATRA
Camber Capital Management LP 0
0.000%
-118,000decrease
(Position Closed)
Filing
History
2021-02-12
3:12 pm
Purchase
2020-02-12 13G Atara Biotherapeutics, Inc.
ATRA
BAUPOST GROUP LLC/MA 364,360
11.070%
32,004increase
(+9.63%)
Filing
History
2021-02-10
10:30 am
Purchase
2020-12-31 13G Atara Biotherapeutics, Inc.
ATRA
The Vanguard Group 225,531
6.850%
78,263increase
(+53.14%)
Filing
History
2021-01-28
5:56 pm
Purchase
2020-12-31 13G Atara Biotherapeutics, Inc.
ATRA
BlackRock Inc.
BLK
258,177
7.800%
74,960increase
(+40.91%)
Filing
History
2021-01-08
11:43 am
Purchase
2020-12-31 13G Atara Biotherapeutics, Inc.
ATRA
JPMORGAN CHASE & CO
JPM
241,140
7.300%
241,140increase
(New Position)
Filing
History
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