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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:
ALPHATEC HOLDINGS INC: ATEC
Price: 7/25/25 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
$10.82 $13.14 $4.88 $1,582 146 1,647 0.0% 10.9% 63.24% 21.42%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks Surgical & Medical Instruments & Apparatus
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#
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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
1y
16
75%
-15%
1
SPONSEL DAVID
VP,SO
AS
$37,500
2,500
---
1/16/24
---
$15.00
555,280
-0.4
D
10b
1/17/24 - 4:30:30 pm
2
1y
16
75%
-15%
1
SPONSEL DAVID
VP,SO
AS
$37,500
2,500
---
12/21/23
---
$15.00
557,780
-0.4
D
10b
12/26/23 - 7:25:50 pm
3
1y
1
0%
-8%
2
DEMSKI DAVID M
DIR
B
$315,000
30,000
---
11/9/23
---
$10.50
181,694
19.8
D
---
11/13/23 - 10:19:03 am
4
    
 
DEMSKI DAVID M
DIR
JB
---
31,694
---
10/17/23
---
---
151,694
26.4
D
R
10/19/23 - 1:36:01 pm
5
    
 
DEMSKI DAVID M
DIR
3
---
---
---
10/17/23
---
---
120,000
---
D
---
10/19/23 - 1:34:55 pm
6
1y
7
57%
0%
2
MILES PATRICK
CEO,DIR
AS
$2,270,075
179,375
9/25/23
9/27/23
$12.46
$13.00
5,452,736
-3.2
D
10b
9/27/23 - 6:45:40 pm
7
1y
7
57%
0%
2
MILES PATRICK
CEO,DIR
AS
$805,200
60,000
---
9/19/23
---
$13.42
5,692,111
-1.0
D
10b
9/20/23 - 5:26:46 pm
8
1y
3
67%
8%
4
MOWRY DAVID H
DIR
S
$137,370
9,500
---
9/11/23
---
$14.46
92,381
-9.3
D
---
9/13/23 - 12:27:41 pm
9
1y
14
64%
36%
5
TULLIS JAMES L L
DIR
S
$515,900
35,000
---
9/11/23
---
$14.74
171,962
-16.9
D
---
9/13/23 - 12:25:33 pm
10
1y
14
64%
36%
5
TULLIS JAMES L L
DIR
S
$1,031,800
70,000
---
9/11/23
---
$14.74
563,831
-11.0
I
---
9/13/23 - 12:25:33 pm
11
1y
1
100%
-61%
1
BAKST EVAN
DIR
AS
$129,804
8,700
---
8/23/23
---
$14.92
1,089,038
-0.8
D
10b
8/24/23 - 8:34:11 pm
12
    
 
PRITZKER JENNIFER N
BO
B
$35,976
2,400
---
8/10/23
---
$14.99
58,000
4.3
D
---
8/10/23 - 6:06:24 pm
13
    
 
PRITZKER JENNIFER N
BO
B
$50,906
3,350
8/8/23
8/10/23
---
$14.95
11,931
39.0
I
---
8/10/23 - 6:06:24 pm
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