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Detailed Insider History for:
ALPHATEC HOLDINGS INC: ATEC
Price: 2/21/25 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
$10.61 $15.41 $4.88 $1,504 142 1,452 0.0% 9.1% 60.23% 25.95%
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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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
    
 
LISH SCOTT
COO
AS
$315,435
27,453
---
2/6/25
---
$11.49
867,677
-3.1
D
10b
2/7/25 - 8:25:24 pm
2
1y
7
57%
0%
2
MILES PATRICK
CEO,DIR
AS
$519,335
43,459
---
2/5/25
---
$11.95
6,065,772
-0.7
D
10b
2/7/25 - 7:49:21 pm
3
1y
15
73%
-16%
1
SPONSEL DAVID
VP,SO
AS
$414,044
36,256
---
2/3/25
---
$11.42
735,074
-4.7
D
10b
2/4/25 - 6:54:42 pm
4
1y
7
57%
0%
2
MILES PATRICK
CEO,DIR
AS
$1,122,555
93,313
1/29/25
1/30/25
---
$12.03
6,109,231
-1.5
D
R,10b
1/31/25 - 9:00:07 pm
5
    
 
MILES PATRICK
CEO,DIR
JB
---
700,829
---
1/29/25
---
---
6,202,544
12.7
D
R,10b
1/31/25 - 9:00:07 pm
6
    
 
HUNSAKER CRAIG E
VP,HR
JB
---
352,061
---
1/29/25
---
---
1,628,267
27.6
D
R
1/31/25 - 7:36:42 pm
7
    
 
LISH SCOTT
COO
JB
---
314,269
---
1/29/25
---
---
895,130
54.1
D
R
1/31/25 - 7:35:29 pm
8
    
 
KONING JOHN TODD
CFO
JB
---
254,872
---
1/29/25
---
---
648,228
64.8
D
R
1/31/25 - 7:34:26 pm
9
    
 
MARSHALL TYSON ELIOT
GC,SEC
JB
---
233,120
---
1/29/25
---
---
478,758
94.9
D
R
1/31/25 - 7:33:29 pm
10
    
 
SPONSEL DAVID
VP,SO
JB
---
269,019
---
1/29/25
---
---
771,330
53.6
D
R
1/31/25 - 7:32:37 pm
11
1y
7
57%
0%
2
MILES PATRICK
CEO,DIR
AS
$80,244
6,687
---
1/21/25
---
$12.00
5,501,715
-0.1
D
10b
1/23/25 - 6:38:40 pm
12
1y
15
73%
-16%
1
SPONSEL DAVID
VP,SO
AS
$626,591
58,521
1/10/25
1/13/25
$10.00
$10.71
502,311
-10.4
D
10b
1/14/25 - 5:00:08 pm
13
    
 
DEMSKI DAVID M
DIR
JB
---
126,051
---
12/18/24
---
---
414,492
43.7
D
R
12/18/24 - 6:11:38 pm
14
1y
15
73%
-16%
1
SPONSEL DAVID
VP,SO
AS
$600,954
62,018
---
12/11/24
---
$9.69
560,832
-10.0
D
10b
12/13/24 - 4:39:22 pm
15
    
 
HUNSAKER CRAIG E
VP,HR
OS*
$223,465
23,157
---
12/10/24
---
$9.65
1,276,206
-1.8
D
---
12/13/24 - 4:33:25 pm
16
1y
2
0%
-6%
2
HUNSAKER CRAIG E
VP,HR
OE*
$223,474
110,919
---
12/10/24
---
$1.68
1,299,363
9.3
D
---
12/13/24 - 4:33:25 pm
17
    
 
BLACKFORD QUENTIN S
DIR
JS
---
15,114
---
11/21/24
---
---
574,238
-2.6
D
---
12/5/24 - 5:14:32 pm
18
1y
7
57%
0%
2
MILES PATRICK
CEO,DIR
AS
$1,006,000
100,000
11/20/24
11/21/24
$10.03
$10.09
5,508,402
-1.8
D
10b
11/22/24 - 4:30:11 pm
19
1y
3
67%
55%
1
BAKST EVAN
DIR
B
$201,600
35,000
---
8/23/24
---
$5.76
50,000
233.3
I
---
8/26/24 - 4:32:07 pm
20
1y
6
0%
-25%
2
PELIZZON DAVID R
DIR,BO
B
$149,998
25,796
8/22/24
8/23/24
$5.67
$5.89
331,696
8.4
D
---
8/26/24 - 4:27:25 pm
21
1y
1
0%
-8%
2
DEMSKI DAVID M
DIR
B
$283,500
50,000
---
8/21/24
---
$5.67
288,441
21.0
D
---
8/21/24 - 10:00:00 pm
22
    
 
LISH SCOTT
COO
OB
$199,925
71,500
---
8/6/24
---
$2.69
580,861
14.0
D
---
8/8/24 - 5:29:23 pm
23
1y
1
0%
-8%
2
DEMSKI DAVID M
DIR
B
$262,400
40,000
---
8/2/24
---
$6.56
238,441
20.2
D
---
8/5/24 - 2:49:29 pm
24
6m
1
100%
75%
3
VALENTINE KEITH
DIR
B
$255,450
39,000
---
8/2/24
---
$6.55
82,140
90.4
D
---
8/5/24 - 2:48:20 pm
25
    
 
VALENTINE KEITH
DIR
JB
---
43,140
---
7/29/24
---
---
43,140
New
D
R
7/31/24 - 6:50:19 pm
26
    
 
VALENTINE KEITH
DIR
3
---
---
---
7/29/24
---
---
---
---
---
---
7/31/24 - 6:46:40 pm
27
    
 
WOODS WARD W JR
DIR
JB
---
16,747
---
6/12/24
---
---
139,160
13.7
D
R
6/14/24 - 4:30:22 pm
28
    
 
BERKOWITZ MORTIMER III
DIR
JB
---
16,747
---
6/12/24
---
---
665,419
2.6
D
R
6/14/24 - 4:30:22 pm
29
    
 
DEMSKI DAVID M
DIR
JB
---
16,747
---
6/12/24
---
---
198,441
9.2
D
R
6/14/24 - 4:30:20 pm
30
    
 
PELIZZON DAVID R
DIR,BO
JB
---
16,747
---
6/12/24
---
---
305,900
5.8
D
R
6/14/24 - 4:30:18 pm
31
    
 
BLACKFORD QUENTIN S
DIR
JB
---
16,747
---
6/12/24
---
---
589,352
2.9
D
R
6/14/24 - 4:30:17 pm
32
    
 
MCGINNIS KAREN K
DIR
JB
---
16,747
---
6/12/24
---
---
95,861
21.2
D
R
6/14/24 - 4:30:16 pm
33
    
 
BAKST EVAN
DIR
JB
---
16,747
---
6/12/24
---
---
1,105,785
1.5
D
R
6/14/24 - 4:30:14 pm
34
    
 
RYDIN JEFFREY P
DIR
JB
---
16,747
---
6/12/24
---
---
570,310
3.0
D
R
6/14/24 - 4:30:09 pm
35
    
 
MARSHALL TYSON ELIOT
GC,SEC
S
$546,524
50,232
---
6/12/24
---
$10.88
245,638
-17.0
D
---
6/14/24 - 4:30:07 pm
36
    
 
KONING JOHN TODD
CFO
AS
$480,750
37,500
---
4/24/24
---
$12.82
393,356
-8.7
D
10b
4/26/24 - 4:38:39 pm
37
1y
3
67%
55%
1
BAKST EVAN
DIR
B
$202,950
15,000
---
3/14/24
---
$13.53
15,000
New
I
---
3/18/24 - 11:35:17 am
38
9m
1
0%
-25%
5
BLACKFORD QUENTIN S
DIR
B
$256,600
20,000
---
3/7/24
---
$12.83
572,605
3.6
D
---
3/8/24 - 8:55:59 pm
39
    
 
MARSHALL TYSON ELIOT
GC,SEC
AS
$121,401
9,225
---
3/6/24
---
$13.16
295,870
-3.0
D
10b
3/8/24 - 5:30:19 pm
40
    
 
MARSHALL TYSON ELIOT
GC,SEC
AS
$157,273
11,825
---
3/1/24
---
$13.30
305,095
-3.7
D
10b
3/4/24 - 8:45:24 pm
41
    
 
KONING JOHN TODD
CFO
AS
$1,617,293
121,601
---
3/1/24
---
$13.30
430,856
-22.0
D
10b
3/4/24 - 8:43:54 pm
42
1y
15
73%
-16%
1
SPONSEL DAVID
VP,SO
AS
$491,624
32,365
---
2/27/24
---
$15.19
622,296
-4.9
D
10b
2/29/24 - 6:51:29 pm
43
    
 
LISH SCOTT
COO
AS
$472,029
31,075
---
2/27/24
---
$15.19
507,165
-5.8
D
10b
2/29/24 - 6:49:07 pm
44
1y
24
46%
17%
2
HUNSAKER CRAIG E
VP,HR
AS
$625,478
41,560
---
2/26/24
---
$15.05
1,188,444
-3.4
D
10b
2/28/24 - 12:21:32 pm
45
    
 
MILES PATRICK
CEO,DIR
JS
$1,346,341
88,169
---
2/24/24
---
$15.27
5,608,402
-1.5
D
R
3/8/24 - 9:00:23 pm
46
    
 
KONING JOHN TODD
CFO
JB
---
31,746
---
2/21/24
---
---
552,457
6.1
D
R
2/22/24 - 6:31:18 pm
47
1y
15
73%
-16%
1
SPONSEL DAVID
VP,SO
AS
$273,359
17,820
---
2/21/24
---
$15.34
654,661
-2.6
D
R,10b
2/22/24 - 6:31:11 pm
48
    
 
SPONSEL DAVID
VP,SO
JB
---
35,063
---
2/21/24
---
---
672,481
5.5
D
R,10b
2/22/24 - 6:31:11 pm
49
    
 
HUNSAKER CRAIG E
VP,HR
JB
---
41,190
---
2/21/24
---
---
1,230,004
3.5
D
R,10b
2/22/24 - 6:31:04 pm
50
    
 
MILES PATRICK
CEO,DIR
JB
---
81,794
---
2/21/24
---
---
5,696,571
1.5
D
R
2/22/24 - 6:30:57 pm
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