Activist 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 are not 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
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2023-01-18
1:30 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
JPMORGAN CHASE & CO
JPM
7,510,572
7.9%
84,676increase
(+1.14%)
View
2022-03-11
5:05 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
MAVERICK CAPITAL LTD7,855,824
8.4%
531,285increase
(+7.25%)
View
2022-02-14
6:58 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
Atara Biotherapeutics Inc.
ATRA
7,855,824
8.9%
7,855,824increase
(New Position)
View
2022-02-14
5:07 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
Redmile Group LLC9,098,725
9.9%
1,235,112increase
(+15.71%)
View
2022-02-14
4:28 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
Point72 Asset Management L.P.4,634,153
5.2%
66,119increase
(+1.45%)
View
2022-02-09
5:17 pm
Sale
13GAtara Biotherapeutics Inc.
ATRA
BAUPOST GROUP LLC8,123,616
9.19%
-985,372decrease
(-10.82%)
View
2022-02-09
3:24 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
VANGUARD GROUP INC7,075,521
8%
1,437,247increase
(+25.49%)
View
2022-02-09
09:09 am
Purchase
13GAtara Biotherapeutics Inc.
ATRA
FMR LLC5,613,242
6.348%
3,155,500increase
(+128.39%)
View
2022-02-03
4:41 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
BlackRock Inc.
BLK
7,816,552
8.8%
1,362,137increase
(+21.10%)
View
2022-01-07
3:41 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
JPMORGAN CHASE & CO
JPM
7,425,896
8.3%
1,397,393increase
(+23.18%)
View
2021-12-21
5:13 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
Point72 Asset Management L.P.4,568,034
5.2%
4,568,034increase
(New Position)
View
2021-02-16
4:23 pm
Sale
13GAtara Biotherapeutics Inc.
ATRA
BRIDGER MANAGEMENT LLC1,524,760
1.8%
-1,408,105decrease
(-48.01%)
View
2021-02-16
4:09 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
Redmile Group LLC7,863,613
9.9%
2,369,504increase
(+43.13%)
View
2021-02-16
1:41 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
MAVERICK CAPITAL LTD7,324,539
8.9%
2,366,108increase
(+47.72%)
View
2021-02-16
08:19 am
Sale
13GAtara Biotherapeutics Inc.
ATRA
Camber Capital Management LP0
0%
-2,950,000decrease
(Position Closed)
View
2021-02-12
3:12 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
BAUPOST GROUP LLC9,108,988
11.07%
800,088increase
(+9.63%)
View
2021-02-10
10:30 am
Purchase
13GAtara Biotherapeutics Inc.
ATRA
VANGUARD GROUP INC5,638,274
6.85%
1,956,573increase
(+53.14%)
View
2021-01-28
5:56 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
BlackRock Inc.
BLK
6,454,415
7.8%
1,874,001increase
(+40.91%)
View
2021-01-08
11:43 am
Purchase
13GAtara Biotherapeutics Inc.
ATRA
JPMORGAN CHASE & CO
JPM
6,028,503
7.3%
6,028,503increase
(New Position)
View
2020-02-14
4:26 pm
Purchase
13GAtara Biotherapeutics Inc.
ATRA
Redmile Group LLC5,494,109
9.9%
1,079,492increase
(+24.45%)
View
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