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Alphatec Holdings, Inc.

ATEC Net selling
CIK 0001350653 #2272 in the set updated 17 Sep 2026
Bought (12 mo)
$2.01M
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$99.27M
$21.26M on a plan · $495.00K straight out of an exercise
Sold at will
$77.52M
24 of 46 sales
Net
−$97.26M
−$75.51M against sales at will

By person

17 insiders · 59 transactions
71.1×

Patrick S. Miles holds 71.1 times base salary in stock. $54.22M of shares against $762.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Patrick S. Miles last reported holding, valued at $8.81, the price Common Stock was last bought or sold at on the open market here, on 10 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Pelizzon David R
Director
$20.57M (5)
−$20.57M
10,773,884
6.98%
$94.92M
−8.1%
Pritzker Jennifer N.
10% owner
$15.65M (4)
−$15.65M
10,645,045
6.89%
$93.78M
−6.6%
Squadron Capital Holdings LLC entity
10% owner
$15.65M (4)
−$15.65M
10,645,045
6.89%
$93.78M
−6.6%
Squadron Capital LLC entity
10% owner
$15.65M (4)
−$15.65M
10,645,045
6.89%
$93.78M
−6.6%
Miles Patrick
CEO
$1.01M (1)
$7.60M (4) scheduled
−$6.59M
6,154,451
3.98%
$54.22M
+6.7%
Sponsel David
EVP, SALES
$6.59M (7) scheduled
−$6.59M
504,932
0.3269%
$4.45M
−14.9%
Hunsaker Craig E
EVP, PEOPLE & CULTURE
$4.66M (5) scheduled
−$4.66M
1,725,609
1.12%
$15.20M
+51.1%
Lish Scott
CHIEF OPERATING OFFICER
$4.32M (4)
−$4.32M
815,704
0.5281%
$7.19M
+46.5%
Rydin Jeffrey P
Director
$3.86M (1)
−$3.86M
385,441
0.2496%
$3.40M
−32.4%
Marshall Tyson Eliot
GENERAL COUNSEL & CORP. SEC.
$3.05M (5) scheduled
−$3.05M
630,398
0.4082%
$5.55M
+156.6%
Valentine Keith
Director
$996.19K (3)
+$996.19K
264,283
0.1711%
$2.33M
+221.7%
Koning John Todd
CHIEF FINANCIAL OFFICER
$986.19K (1) scheduled
−$986.19K
600,721
0.3889%
$5.29M
+66.4%
Demski David M
Director
$636.00K (1)
−$636.00K
431,635
0.2795%
$3.80M
+49.6%
MCGINNIS KAREN K
Director
$48.46K (1) scheduled
−$48.46K
94,671
0.0613%
$834.05K
−1.2%
Berkowitz Mortimer III
Director
650,062
0.4209%
$5.73M
−2.3%
Blackford Quentin S.
Director
600,381
0.3887%
$5.29M
+1.9%
WOODS WARD W JR
Director
154,291
0.0999%
$1.36M
+10.9%
Insider
Date
Role
Action
Shares
Price
Amount
Marshall Tyson Eliot
5 Aug 2026
GENERAL COUNSEL & CORP. SEC.
Sold on a plan
8,168
$9.65
$78.82K
MCGINNIS KAREN K
11 Jun 2026
Director
Sold on a plan
6,050
$8.01
$48.46K
Koning John Todd
13 Mar 2026
CHIEF FINANCIAL OFFICER
Sold on a plan
79,789
$12.36
$986.19K
Sponsel David
11 Mar 2026
EVP, SALES
Sold on a plan
163,452
$12.52
$2.05M
Hunsaker Craig E
9 Mar 2026
EVP, PEOPLE & CULTURE
Sold on a plan
82,765
$12.45
$1.03M
Hunsaker Craig E
6 Mar 2026
EVP, PEOPLE & CULTURE
Sold on a plan
33,602
$12.22
$410.62K
Marshall Tyson Eliot
5 Mar 2026
GENERAL COUNSEL & CORP. SEC.
Sold on a plan
88,835
$12.49
$1.11M
Sponsel David
5 Feb 2026
EVP, SALES
Sold on a plan
60,425
$13.79
$833.26K
Hunsaker Craig E
3 Feb 2026
EVP, PEOPLE & CULTURE
Sold on a plan
37,358
$14.71
$549.54K
Miles Patrick
5 Jan 2026
CEO
Sold on a plan
100,000
$21.01
$2.10M
Lish Scott
16 Dec 2025
CHIEF OPERATING OFFICER
Sold on a plan
19,900
$19.64
$390.84K
Sponsel David
10 Dec 2025
EVP, SALES
Sold on a plan
21,106
$20.79
$438.79K
Marshall Tyson Eliot
5 Dec 2025
GENERAL COUNSEL & CORP. SEC.
Sold on a plan
12,965
$21.47
$278.36K
Marshall Tyson Eliot
5 Dec 2025
GENERAL COUNSEL & CORP. SEC.
Sold on a plan
9,924
$21.48
$213.17K
Miles Patrick
1 Dec 2025
CEO
Sold on a plan
100,000
$22.11
$2.21M
Miles Patrick
3 Nov 2025
CEO
Sold on a plan
100,000
$18.96
$1.90M
Hunsaker Craig E
31 Oct 2025
EVP, PEOPLE & CULTURE
Sold on a plan
100,000
$19.95
$2.00M
Sponsel David
24 Oct 2025
EVP, SALES
Sold on a plan
70,000
$16.18
$1.13M
Miles Patrick
1 Oct 2025
CEO
Sold on a plan
100,000
$13.96
$1.40M
Sponsel David
19 Sep 2025
EVP, SALES
Sold on a plan
2,555
$15.34
$39.19K
Sponsel David
18 Sep 2025
EVP, SALES
Sold on a plan
137,445
$15.09
$2.07M

What was left out

Form 4 filings counted 59
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 21
Sales straight out of an exercise 1
Sales at will 24
Transactions with no price 0
Shares from compensation/vesting 3,824,808
History held since 18 Nov 2016