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Detailed Insider History for:
AMPRIUS TECHNOLOGIES INC: AMPX
Price: 3/28/25 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
$2.81 $4.21 $0.61 $331 118 3,968 0.0% 8.5% 26.81% 15.12%
Exch Sector Industry Sub-Industry
NYSE Manufacturing Electronic And Other Electrical Equipment And Components, Except Computer Equipment Radio & Tv Broadcasting & Communications Equipment
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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
    
 
SUN KANG
CEO,DIR
JB
---
599,400
---
3/19/25
---
---
1,882,021
46.7
D
R
3/21/25 - 5:03:14 pm
2
    
 
WALLACH SANDRA
CFO
JB
---
383,260
---
3/19/25
---
---
1,061,260
56.5
D
R
3/21/25 - 4:57:02 pm
3
    
 
STEFAN CONSTANTIN IONEL
CTO
JB
---
461,540
---
3/19/25
---
---
886,500
108.6
D
R
3/21/25 - 4:55:14 pm
4
    
 
STEFAN CONSTANTIN IONEL
CTO
OB
$3,402
3,471
---
3/14/25
---
$0.98
424,960
0.8
D
R
3/18/25 - 5:07:40 pm
5
    
 
BORNSTEIN JONATHAN
PR
OB
$3,402
3,471
---
3/10/25
---
$0.98
422,668
0.8
D
R
3/12/25 - 5:14:58 pm
6
    
 
SUN KANG
CEO,DIR
S
$107,635
34,353
---
2/21/25
---
$3.13
1,282,621
-2.6
D
R
2/24/25 - 7:42:08 pm
7
    
 
WALLACH SANDRA
CFO
S
$56,843
18,142
---
2/21/25
---
$3.13
678,000
-2.6
D
R
2/24/25 - 7:40:59 pm
8
    
 
STEFAN CONSTANTIN IONEL
CTO
S
$28,406
9,066
---
2/21/25
---
$3.13
421,489
-2.1
D
R
2/24/25 - 7:38:45 pm
9
    
 
BORNSTEIN JONATHAN
PR
S
$42,383
13,527
---
2/21/25
---
$3.13
419,197
-3.1
D
R
2/24/25 - 7:37:21 pm
10
    
 
SUN KANG
CEO,DIR
S
$66,362
33,779
---
11/21/24
---
$1.96
1,316,974
-2.5
D
R
11/22/24 - 4:29:21 pm
11
    
 
BORNSTEIN JONATHAN
PR
S
$35,697
18,170
---
11/21/24
---
$1.96
454,131
-3.8
D
R
11/22/24 - 4:27:50 pm
12
    
 
BORNSTEIN JONATHAN
PR
S
$286,319
148,536
11/20/24
11/21/24
$1.92
$1.96
1,039,187
-12.5
I
R
11/22/24 - 4:27:50 pm
13
    
 
WALLACH SANDRA
CFO
S
$33,709
17,158
---
11/21/24
---
$1.96
696,142
-2.4
D
R
11/22/24 - 4:25:25 pm
14
    
 
STEFAN CONSTANTIN IONEL
CTO
S
$16,846
8,575
---
11/21/24
---
$1.96
430,555
-2.0
D
R
11/22/24 - 4:21:28 pm
15
    
 
AMPRIUS INC
BO
JS
---
62,695,928
---
10/23/24
---
---
2,500,071
-96.2
D
---
10/25/24 - 6:28:27 pm
16
1y
4
100%
-59%
3
MIRRO JUSTIN E
DIR
S
$641,851
710,000
9/3/24
9/5/24
$0.80
$0.81
1,195,000
-37.3
I
R
9/5/24 - 7:16:49 pm
17
    
 
AMPRIUS INC
BO
S
$18,892
19,555
9/3/24
9/4/24
---
$0.95
65,195,996
-0.0
D
---
9/5/24 - 7:14:24 pm
18
    
 
WALLACH SANDRA
CFO
S
$18,310
17,606
---
8/21/24
---
$1.04
713,300
-2.4
D
R
8/22/24 - 5:06:24 pm
19
    
 
BORNSTEIN JONATHAN
PR
S
$19,390
18,644
---
8/21/24
---
$1.04
1,528,251
-1.2
D
R
8/22/24 - 5:04:05 pm
20
    
 
SUN KANG
CEO,DIR
S
$34,666
33,333
---
8/21/24
---
$1.04
1,350,753
-2.4
D
R
8/22/24 - 5:02:08 pm
21
    
 
STEFAN CONSTANTIN IONEL
CTO
S
$9,152
8,800
---
8/21/24
---
$1.04
386,168
-2.2
D
R
8/22/24 - 4:57:41 pm
22
    
 
SATTERTHWAITE LIVINGSTON
DIR
JB
---
283,019
---
8/13/24
---
---
291,639
3,283.3
D
R
8/14/24 - 5:32:23 pm
23
    
 
SATTERTHWAITE LIVINGSTON
DIR
3
---
---
---
8/13/24
---
---
8,620
---
D
R
8/14/24 - 5:27:23 pm
24
    
 
MIRRO JUSTIN E
DIR
JB
---
925,900
---
7/23/24
---
---
2,393,042
63.1
I
R
7/25/24 - 8:40:03 pm
25
1y
4
100%
-59%
3
MIRRO JUSTIN E
DIR
S
$294,060
260,000
---
6/14/24
---
$1.13
1,467,142
-15.1
I
R
6/14/24 - 7:44:19 pm
26
1y
4
100%
-59%
3
MIRRO JUSTIN E
DIR
S
$679,149
540,000
6/12/24
6/13/24
$1.21
$1.22
1,650,000
-24.7
I
R
6/14/24 - 7:44:19 pm
27
    
 
HSIEH WEN HSUAN
DIR
JB
---
125,000
---
6/7/24
---
---
142,895
698.5
D
R
6/7/24 - 8:45:26 pm
28
    
 
BAYLESS KATHLEEN A
DIR
JB
---
125,000
---
6/7/24
---
---
161,253
344.8
D
R
6/7/24 - 8:44:47 pm
29
    
 
CHU STEVEN
DIR
JB
---
125,000
---
6/7/24
---
---
145,395
612.9
D
R
6/7/24 - 8:44:05 pm
30
    
 
GUSTANSKI MARY
DIR
JB
---
114,583
---
6/7/24
---
---
146,396
360.2
D
R
6/7/24 - 8:43:23 pm
31
    
 
MIRRO JUSTIN E
DIR
JB
---
125,000
---
6/7/24
---
---
142,895
698.5
D
R
6/7/24 - 8:42:37 pm
32
    
 
DIXON DONALD R
DIR
JB
---
125,000
---
6/7/24
---
---
142,895
698.5
D
R
6/7/24 - 8:41:45 pm
33
    
 
STEFAN CONSTANTIN IONEL
CTO
S
$12,587
9,393
5/21/24
5/22/24
$1.33
$1.36
394,968
-2.3
D
R
5/24/24 - 9:08:19 pm
34
    
 
SUN KANG
DIR
S
$47,685
35,584
5/21/24
5/22/24
$1.33
$1.36
1,384,086
-2.5
D
R
5/24/24 - 9:06:51 pm
35
    
 
BORNSTEIN JONATHAN
PR
S
$26,670
19,902
5/21/24
5/22/24
$1.33
$1.36
1,546,895
-1.3
D
R
5/24/24 - 9:05:12 pm
36
    
 
WALLACH SANDRA
CFO
S
$25,185
18,794
5/21/24
5/22/24
$1.33
$1.36
730,906
-2.5
D
R
5/24/24 - 9:02:35 pm
37
    
 
BORNSTEIN JONATHAN
PR
OB
$50,393
1,007,867
---
4/12/24
---
$0.05
1,566,797
180.3
D
R
4/15/24 - 5:53:44 pm
38
    
 
BORNSTEIN JONATHAN
PR
OS
$299,613
125,983
---
4/2/24
---
$2.38
558,930
-18.4
D
R,10b
4/3/24 - 4:13:22 pm
39
    
 
BORNSTEIN JONATHAN
PR
OE
$6,299
125,983
---
4/2/24
---
$0.05
684,913
22.5
D
R,10b
4/3/24 - 4:13:22 pm
40
    
 
STEFAN CONSTANTIN IONEL
CTO
JB
---
374,570
---
3/19/24
---
---
404,361
1,257.3
D
R
3/19/24 - 7:33:32 pm
41
    
 
BORNSTEIN JONATHAN
PR
JB
---
558,930
---
3/19/24
---
---
558,930
New
D
R
3/19/24 - 7:32:17 pm
42
    
 
WALLACH SANDRA
CFO
JB
---
749,700
---
3/19/24
---
---
749,700
New
D
R
3/19/24 - 7:30:23 pm
43
    
 
SUN KANG
DIR
JB
---
1,419,670
---
3/19/24
---
---
1,419,670
New
D
R
3/19/24 - 7:28:57 pm
44
    
 
BORNSTEIN JONATHAN
PR
OS
$432,041
150,000
3/5/24
3/6/24
---
$2.78
---
All
D
10b
3/7/24 - 5:36:35 pm
45
    
 
BORNSTEIN JONATHAN
PR
OE
$7,500
150,000
3/5/24
3/6/24
---
$0.05
109,800
---
D
10b
3/7/24 - 5:36:35 pm
46
    
 
BORNSTEIN JONATHAN
PR
OS
$663,810
150,000
---
2/6/24
---
$4.43
---
All
D
10b
2/7/24 - 6:06:39 pm
47
    
 
BORNSTEIN JONATHAN
PR
OE
$7,500
150,000
---
2/6/24
---
$0.05
150,000
New
D
10b
2/7/24 - 6:06:39 pm
48
    
 
BORNSTEIN JONATHAN
PR
OS
$538,182
124,634
---
1/2/24
---
$4.32
25,366
-83.1
D
10b
1/4/24 - 5:32:52 pm
49
    
 
BORNSTEIN JONATHAN
PR
OS
$128,078
25,366
---
1/2/24
---
$5.05
---
All
D
10b
1/4/24 - 5:32:52 pm
50
    
 
BORNSTEIN JONATHAN
PR
OE
$7,500
150,000
---
1/2/24
---
$0.05
150,000
New
D
10b
1/4/24 - 5:32:52 pm
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