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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
ATARA BIOTHERAPEUTICS INC: ATRA
Price: 12/20/24 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$11.40 $39.50 $6.50 $66 6 102 0.0% 11.4% 50.82% 22.15%
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
HENRICH JILL
VP,LO
S
$11,198
1,000
---
11/18/24
---
$11.20
19,378
-4.9
D
R
11/20/24 - 6:05:49 pm
2
    
 
HYLLENGREN ERIC J
VP,CFO,COO
S
$15,274
1,364
---
11/18/24
---
$11.20
23,392
-5.5
D
R
11/20/24 - 6:04:59 pm
3
    
 
NGUYEN ANHCO
PR,CEO,DIR
S
$18,633
1,664
---
11/18/24
---
$11.20
77,454
-2.1
D
R
11/20/24 - 6:04:00 pm
4
    
 
NGUYEN ANHCO
PR,CEO,DIR
JB
---
45,000
---
9/9/24
---
---
79,118
131.9
D
R
9/11/24 - 5:03:40 pm
5
    
 
ADIUMENTUM CAPITAL FUND I LP
DIR,BO
3
---
---
---
9/3/24
---
---
1,133,823
---
D
---
9/5/24 - 6:42:08 pm
6
    
 
TOUCHON PASCAL
PR,CEO,DIR
S
$20,139
3,038
---
8/16/24
---
$6.63
70,127
-4.2
D
R
8/20/24 - 6:27:58 pm
7
    
 
NGUYEN ANHCO
VP,CTO
S
$12,072
1,821
---
8/16/24
---
$6.63
34,118
-5.1
D
R
8/20/24 - 6:27:43 pm
8
    
 
MURUGAN AMAR
VP,LO
S
$7,677
1,158
---
8/16/24
---
$6.63
26,827
-4.1
D
R
8/20/24 - 6:27:26 pm
9
    
 
HYLLENGREN ERIC J
VP,CFO
S
$7,093
1,070
---
8/16/24
---
$6.63
24,756
-4.1
D
R
8/20/24 - 6:27:12 pm
10
    
 
HENRICH JILL
VP
S
$6,384
963
---
8/16/24
---
$6.63
20,378
-4.5
D
R
8/20/24 - 6:26:58 pm
11
    
 
TOUCHON PASCAL
PR,CEO,DIR
S
$50,289
81,506
---
5/16/24
---
$0.62
1,829,146
-4.3
D
R
5/20/24 - 8:34:45 pm
12
    
 
NGUYEN ANHCO
VP,CTO
S
$26,469
42,899
---
5/16/24
---
$0.62
898,498
-4.6
D
R
5/20/24 - 8:34:20 pm
13
    
 
MURUGAN AMAR
VP,LO
S
$19,991
32,401
---
5/16/24
---
$0.62
695,120
-4.5
D
R
5/20/24 - 8:33:56 pm
14
    
 
HYLLENGREN ERIC J
VP,CFO
S
$17,676
28,648
---
5/16/24
---
$0.62
645,671
-4.2
D
R
5/20/24 - 8:33:28 pm
15
    
 
HENRICH JILL
VP
S
$15,888
25,750
---
5/16/24
---
$0.62
529,251
-4.6
D
R
5/20/24 - 8:32:54 pm
16
    
 
FUST MATTHEW K
DIR
JB
---
150,000
---
3/31/24
---
---
259,000
137.6
D
R
4/2/24 - 6:13:10 pm
17
    
 
HEIDEN WILLIAM K
DIR
JB
---
150,000
---
3/31/24
---
---
359,000
71.8
D
R
4/2/24 - 6:12:47 pm
18
    
 
RONCAROLO MARIA GRAZIA
DIR
JB
---
150,000
---
3/31/24
---
---
238,500
169.5
D
R
4/2/24 - 6:12:27 pm
19
    
 
GALLAGHER CAROL GILTNER
DIR
JB
---
150,000
---
3/31/24
---
---
629,608
31.3
D
R
4/2/24 - 6:12:10 pm
20
    
 
MALLIK AMEET
DIR
JB
---
150,000
---
3/31/24
---
---
227,500
193.5
D
R
4/2/24 - 6:11:52 pm
21
    
 
TOUCHON PASCAL
PR,CEO,DIR
JS*
$17,888
24,844
---
3/4/24
---
$0.72
1,910,652
-1.3
D
R
3/6/24 - 6:19:43 pm
22
    
 
NGUYEN ANHCO
VP,CTO
JS*
$7,737
10,746
---
3/4/24
---
$0.72
941,397
-1.1
D
R
3/6/24 - 6:18:57 pm
23
    
 
MURUGAN AMAR
VP,LO
JS*
$7,232
10,044
---
3/4/24
---
$0.72
727,521
-1.4
D
R
3/6/24 - 6:18:12 pm
24
    
 
HYLLENGREN ERIC J
VP,CFO
JS*
$4,810
6,679
---
3/4/24
---
$0.72
674,319
-1.0
D
R
3/6/24 - 6:17:15 pm
25
    
 
HENRICH JILL
VP
JS*
$2,793
3,879
---
3/4/24
---
$0.72
555,001
-0.7
D
R
3/6/24 - 6:16:07 pm
26
    
 
TOUCHON PASCAL
PR,CEO,DIR
JB
---
1,280,000
---
1/8/24
---
---
1,935,496
195.3
D
R
1/9/24 - 4:41:09 pm
27
    
 
NGUYEN ANHCO
VP,CTO
JB
---
675,000
---
1/8/24
---
---
952,143
243.6
D
R
1/9/24 - 4:40:54 pm
28
    
 
MURUGAN AMAR
VP,LO
JB
---
475,000
---
1/8/24
---
---
737,565
180.9
D
R
1/9/24 - 4:40:34 pm
29
    
 
HYLLENGREN ERIC J
VP,CFO
JB
---
475,000
---
1/8/24
---
---
680,998
230.6
D
R
1/9/24 - 4:40:31 pm
30
    
 
HENRICH JILL
VP
JB
---
450,000
---
1/8/24
---
---
558,880
413.3
D
R
1/9/24 - 4:40:06 pm
31
    
 
TOUCHON PASCAL
PR,CEO,DIR
S
$7,939
20,409
---
11/16/23
---
$0.39
655,496
-3.0
D
R
11/20/23 - 5:31:30 pm
32
    
 
NGUYEN ANHCO
VP,CTO
S
$3,445
8,856
---
11/16/23
---
$0.39
277,143
-3.1
D
R
11/20/23 - 5:31:08 pm
33
    
 
MURUGAN AMAR
VP,LO
S
$3,231
8,307
---
11/16/23
---
$0.39
257,084
-3.1
D
R
11/20/23 - 5:30:36 pm
34
    
 
JOSHI MANHER
VP
S
$4,780
12,287
---
11/16/23
---
$0.39
171,284
-6.7
D
R
11/20/23 - 5:30:19 pm
35
    
 
HYLLENGREN ERIC J
VP,CFO
S
$4,652
11,958
---
11/16/23
---
$0.39
205,998
-5.5
D
R
11/20/23 - 5:29:48 pm
36
    
 
HENRICH JILL
VP
S
$1,271
3,267
---
11/16/23
---
$0.39
104,424
-3.0
D
R
11/20/23 - 5:29:23 pm
37
1y
3
67%
1,040%
1
GALLAGHER CAROL GILTNER
DIR
B
$68,214
270,000
11/13/23
11/14/23
$0.22
$0.31
459,418
142.5
D
---
11/15/23 - 5:07:08 pm
38
1y
1
100%
3,570%
2
HEIDEN WILLIAM K
DIR
B
$25,330
100,000
---
11/10/23
---
$0.25
209,000
91.7
D
---
11/14/23 - 6:29:04 pm
39
1y
4
50%
886%
4
DOBMEIER ERIC
DIR
B
$101,340
446,825
---
11/10/23
---
$0.23
563,325
383.5
D
---
11/14/23 - 6:27:14 pm
40
    
 
HYLLENGREN ERIC J
VP,CFO
JS*
$13,527
8,186
---
8/16/23
---
$1.65
217,956
-3.6
D
R
8/18/23 - 6:25:27 pm
41
    
 
MURUGAN AMAR
VP,LO
JS*
$14,330
8,672
---
8/16/23
---
$1.65
265,391
-3.2
D
R
8/18/23 - 6:25:23 pm
42
    
 
TOUCHON PASCAL
PR,CEO,DIR
JS*
$50,835
30,766
---
8/16/23
---
$1.65
675,905
-4.4
D
R
8/18/23 - 6:25:18 pm
43
    
 
NGUYEN ANHCO
VP,CTO
JS*
$24,997
15,126
---
8/16/23
---
$1.65
285,999
-5.0
D
R
8/18/23 - 6:25:14 pm
44
    
 
JOSHI MANHER
VP
JS*
$11,526
6,975
---
8/16/23
---
$1.65
183,571
-3.7
D
R
8/18/23 - 6:25:09 pm
45
    
 
HENRICH JILL
VP
JS*
$5,532
3,346
---
8/16/23
---
$1.65
107,691
-3.0
D
R
8/18/23 - 6:25:04 pm
46
    
 
TOUCHON PASCAL
PR,CEO,DIR
S
$23,723
14,291
---
6/27/23
---
$1.66
706,671
-2.0
D
R
6/29/23 - 4:15:42 pm
47
    
 
HENRICH JILL
VP
3
---
---
---
6/1/23
---
---
111,037
---
D
R
6/9/23 - 4:30:47 pm
48
    
 
NGUYEN ANHCO
VP,CTO
3
---
---
---
6/1/23
---
---
301,125
---
D
R
6/9/23 - 4:30:46 pm
49
    
 
JOSHI MANHER
VP
3
---
---
---
6/1/23
---
---
190,546
---
D
R
6/9/23 - 4:30:36 pm
50
    
 
SEIDENBERG BETH C
DIR
JB
---
57,000
---
5/31/23
---
---
115,689
97.1
D
R
6/2/23 - 8:06:15 pm
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