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Insider Trading - Clark Mitchall G.

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List of Special Purpose Acquisition Companies (SPACs)

Insider Trading Transactions for Clark Mitchall G.

Common stock purchase or sale:
Transaction
Date
Reported
DateTime
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2016-05-16
Sale
2016-05-18
7:03 pm
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
Chief R & QA Officer
4,153 $15.15 $62,918 83,759
(Direct)
View
2016-11-15
Sale
2016-11-17
4:28 pm
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
Chief R & QA Officer
2,995 $19.53 $58,492 95,187
(Direct)
View
2017-02-15
Sale
2017-02-16
8:09 pm
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
3,059 $15.96 $48,822 149,661
(Direct)
View
2017-05-15
Sale
2017-05-17
4:57 pm
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
3,873 $15.25 $59,063 153,000
(Direct)
View
2017-08-15
Sale
2017-08-17
5:34 pm
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
3,021 $14.33 $43,291 159,130
(Direct)
View
2017-11-15
Sale
2017-11-17
6:26 pm
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
3,290 $14.2 $46,718 163,052
(Direct)
View
2018-03-27
Sale
2018-03-28
8:10 pm
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
100,203 $37.87 $3,795,062 156,071
(Direct)
View
2018-03-29
Sale
2018-04-03
4:14 pm
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
22,400 $40.07 $897,568 133,671
(Direct)
View
2018-05-15
Sale
2018-05-16
8:38 pm
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
4,647 $46.06 $214,026 133,832
(Direct)
View
2018-05-18
Sale
2018-05-21
6:32 pm
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
25,860 $50.03 $1,293,776 107,972
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2016-05-16
Exercise
2016-05-18
7:03 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
Chief R & QA Officer
7,212 $0 83,759
(Direct)
View
2016-05-16
Exercise
2016-05-18
7:03 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
Chief R & QA Officer
7,212 $0 83,759
(Direct)
View
2016-08-15
Exercise
2016-08-17
7:49 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
Chief R & QA Officer
7,211 $0 48,077
(Direct)
View
2016-08-15
Exercise
2016-08-17
7:49 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
Chief R & QA Officer
7,211 $0 48,077
(Direct)
View
2016-11-15
Exercise
2016-11-17
4:28 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
Chief R & QA Officer
7,212 $0 95,187
(Direct)
View
2016-11-15
Exercise
2016-11-17
4:28 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
Chief R & QA Officer
7,212 $0 95,187
(Direct)
View
2017-02-06
Option Award
2017-02-08
5:34 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
49,500 $0 144,687
(Direct)
View
2017-02-15
Exercise
2017-02-16
8:09 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
7,211 $0 149,661
(Direct)
View
2017-02-15
Exercise
2017-02-16
8:09 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
7,211 $0 149,661
(Direct)
View
2017-05-15
Exercise
2017-05-17
4:57 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
7,212 $0 153,000
(Direct)
View
2017-05-15
Exercise
2017-05-17
4:57 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
7,212 $0 153,000
(Direct)
View
2017-08-15
Exercise
2017-08-17
5:34 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
7,211 $0 159,130
(Direct)
View
2017-08-15
Exercise
2017-08-17
5:34 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
7,211 $0 159,130
(Direct)
View
2017-11-15
Exercise
2017-11-17
6:26 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
7,212 $0 163,052
(Direct)
View
2017-11-15
Exercise
2017-11-17
6:26 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
7,212 $0 163,052
(Direct)
View
2018-02-06
Option Award
2018-02-08
5:43 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
25,000 $0 50,000
(Direct)
View
2018-02-06
Tax Withholding
2018-02-08
5:43 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
4,437 $35.8 50,000
(Direct)
View
2018-02-06
Option Award
2018-02-08
5:43 pm
N/A
2025-02-06
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
50,000 $35.8 50,000
(Direct)
View
2018-02-09
Tax Withholding
2018-02-12
8:56 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
3,704 $41.7 179,913
(Direct)
View
2018-02-15
Exercise
2018-02-20
8:23 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
7,211 $0 4,808
(Direct)
View
2018-02-15
Tax Withholding
2018-02-20
8:23 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
3,604 $47.05 4,808
(Direct)
View
2018-02-15
Exercise
2018-02-20
8:23 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
7,211 $0 4,808
(Direct)
View
2018-03-27
Exercise
2018-03-28
8:10 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
28,848 $25.15 156,071
(Direct)
View
2018-03-27
Exercise
2018-03-28
8:10 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
32,500 $22.72 156,071
(Direct)
View
2018-03-27
Exercise
2018-03-28
8:10 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
11,406 $11 156,071
(Direct)
View
2018-03-27
Exercise
2018-03-28
8:10 pm
N/A
2022-01-16
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
28,848 $25.15 156,071
(Direct)
View
2018-03-27
Exercise
2018-03-28
8:10 pm
N/A
2022-12-17
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
32,500 $22.72 156,071
(Direct)
View
2018-03-27
Exercise
2018-03-28
8:10 pm
N/A
2021-10-14
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
11,406 $11 156,071
(Direct)
View
2018-05-15
Exercise
2018-05-16
8:38 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
4,808 $0 133,832
(Direct)
View
2018-05-15
Exercise
2018-05-16
8:38 pm
N/A
N/A
Atara Biotherapeutics Inc. ATRA Clark Mitchall G.
EVP & Chief R & QA Officer
4,808 $0 133,832
(Direct)
View