Alphatec Holdings, Inc.

By person

39 insiders · 348 transactions

74.0×

Patrick S. Miles holds 74.0 times base salary in stock. $56.42M 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

Worth

Change

Miles Patrick

CEO

$1.83M (4)

$992.22M (35)

−$990.39M

6,404,451

$56.42M

+1,601%

Pelizzon David R

Director

$92.22M (9)

$20.57M (5)

+$71.66M

22,168,929

$195.31M

+65.1%

L-5 Healthcare Partners, LLC entity

10% owner

—

$25.30M (1)

−$25.30M

11,081,538

$97.63M

—

Hunsaker Craig E

EVP, PEOPLE & CULTURE

$174.90K (1)

$22.95M (45) scheduled

−$22.77M

1,725,609

$15.20M

+1,129%

Squadron Capital Holdings LLC entity

10% owner

—

$15.65M (4)

−$15.65M

10,645,045

$93.78M

−6.6%

Squadron Capital LLC entity

10% owner

—

$15.65M (4)

−$15.65M

10,645,045

$93.78M

−6.6%

Pritzker Jennifer N.

10% owner

$745.50K (40)

$15.65M (4)

−$14.90M

10,704,676

$94.31M

−6.1%

Sponsel David

EVP, SALES

$49.61K (1)

$13.73M (30) scheduled

−$13.68M

504,932

$4.45M

+572.0%

Lish Scott

CHIEF OPERATING OFFICER

—

$10.03M (29)

−$10.03M

815,704

$7.19M

+210.3%

TULLIS JAMES L L

Director

$50.70K (1)

$7.88M (17)

−$7.83M

3,549,886

$31.27M

−16.4%

Koning John Todd

CHIEF FINANCIAL OFFICER

$55.85K (1)

$5.88M (8) scheduled

−$5.82M

600,721

$5.29M

—

Marshall Tyson Eliot

GENERAL COUNSEL & CORP. SEC.

—

$4.31M (12) scheduled

−$4.31M

630,398

$5.55M

+158.2%

Rydin Jeffrey P

Director

—

$4.01M (2)

−$4.01M

385,441

$3.40M

+283.8%

Segal Paul

Director

$3.00M (6)

$4.65M (3)

−$1.65M

100,000

$881.00K

+40.2%

Valentine Keith

Director

$1.25M (4)

—

+$1.25M

264,283

$2.33M

—

Berkowitz Mortimer III

Director

$115.20K (1)

$998.13K (1)

−$882.93K

4,564,112

$40.21M

−23.3%

Black Jeffrey G.

EVP & CFO

$16.00K (2)

$676.52K (6)

−$660.52K

670,644

$5.91M

—

MCGINNIS KAREN K

Director

—

$566.26K (3) scheduled

−$566.26K

94,671

$834.05K

—

Bakst Evan

Director

$563.47K (4)

$129.80K (1) scheduled

+$433.66K

1,155,785

$10.18M

+69.6%

Mowry David H

Director

—

$346.29K (3)

−$346.29K

92,381

$813.88K

—

Howell Kelli Mari

EVP, CLINICAL STRATEGIES

$258.93K (1)

—

+$258.93K

540,098

$4.76M

+2,220%

Blackford Quentin S.

Director

$256.60K (1)

—

+$256.60K

600,381

$5.29M

—

Demski David M

Director

$860.90K (3)

$636.00K (1)

+$224.90K

431,635

$3.80M

+259.7%

Altman Elizabeth Ann

Director

—

$222.23K (2) scheduled

−$222.23K

41,066

$361.79K

—

Snider Brian

EVP, MARKETING

$206.67K (2)

—

+$206.67K

655,382

$5.77M

+2,507%

Hochberg Jason

Director

$108.35K (2)

—

+$108.35K

84,375

$743.34K

—

Foster John

10% owner

—

$92.17K (4)

−$92.17K

2,648,977

$23.34M

−0.7%

CROSS LESLIE H

Director

$63.80K (1)

—

+$63.80K

149,825

$1.32M

+29.3%

Rich Terry

President & COO

$20.63K (3)

—

+$20.63K

790,198

$6.96M

+275.8%

Williams Donald Allen

Director

$9.89K (1)

—

+$9.89K

137,730

$1.21M

+252.8%

WOODS WARD W JR

Director

—

3,345,523

$29.47M

+168.1%

Plunkett Michael Joseph

President and COO

—

200,127

$1.76M

+783.9%

Allen Jonathan

EVP, Commerical Operations

—

200,000

$1.76M

+166.7%

Molson R Ian

Director

—

65,164

$574.09K

+41.0%

Meynadier Marie

Director

—

59,126

$520.90K

—

Oneil Stephen

Director

—

47,073

$414.71K

+67.3%

Barnett Andy

Director

—

18,546

$163.39K

—

Garner Ebun

General Counsel and SVP

—

8,250

$72.68K

—

MARSHALL SIRI S

Director

—

6,570

$57.88K

0.0%

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

Insider

Date

Role

Action

Price

Amount

Miles Patrick

10 Sep 2026

CEO

Buy

115,000

$8.81

$1.01M

Valentine Keith

11 May 2026

Director

Buy

35,000

$7.00

$245.00K

Valentine Keith

8 May 2026

Director

Buy

43,847

$7.54

$330.61K

Valentine Keith

7 May 2026

Director

Buy

56,153

$7.49

$420.59K

Pelizzon David R

23 Aug 2024

Director

Buy

16,978

$5.89

$100.00K

Bakst Evan

23 Aug 2024

Director

Buy indirect

35,000

$5.76

$201.60K

Pelizzon David R

22 Aug 2024

Director

Buy

8,818

$5.67

$50.00K

Demski David M

21 Aug 2024

Director

Buy

50,000

$5.67

$283.50K

Valentine Keith

2 Aug 2024

Director

Buy

39,000

$6.55

$255.45K

Demski David M

2 Aug 2024

Director

Buy

40,000

$6.56

$262.40K

Bakst Evan

14 Mar 2024

Director

Buy indirect

15,000

$13.53

$202.95K

Blackford Quentin S.

7 Mar 2024

Director

Buy

20,000

$12.83

$256.60K

Demski David M

9 Nov 2023

Director

Buy

30,000

$10.50

$315.00K

Pritzker Jennifer N.

10 Aug 2023

10% owner

Buy indirect

1,000

$14.95

$14.95K

Pritzker Jennifer N.

10 Aug 2023

10% owner

Buy indirect

1,000

$14.95

$14.95K

Pritzker Jennifer N.

10 Aug 2023

10% owner

Buy

2,400

$14.99

$35.98K

Pritzker Jennifer N.

8 Aug 2023

10% owner

Buy indirect

1,350

$15.56

$21.01K

Pritzker Jennifer N.

10 May 2023

10% owner

Buy indirect

1,000

$15.71

$15.71K

Pritzker Jennifer N.

10 May 2023

10% owner

Buy indirect

1,000

$15.71

$15.71K

Pritzker Jennifer N.

10 May 2023

10% owner

Buy

2,400

$15.57

$37.37K

Pritzker Jennifer N.

9 May 2023

10% owner

Buy indirect

1,200

$15.26

$18.31K

Pelizzon David R

13 Mar 2023

Director

Buy

3,100

$15.24

$47.24K

Pritzker Jennifer N.

7 Mar 2023

10% owner

Buy

3,000

$15.93

$47.79K

Pritzker Jennifer N.

6 Mar 2023

10% owner

Buy indirect

1,550

$15.87

$24.60K

Pritzker Jennifer N.

10 Aug 2022

10% owner

Buy indirect

2,000

$8.04

$16.08K

Pritzker Jennifer N.

10 Aug 2022

10% owner

Buy

2,000

$8.10

$16.20K

Pritzker Jennifer N.

9 Aug 2022

10% owner

Buy indirect

2,100

$7.85

$16.49K

Pritzker Jennifer N.

9 Aug 2022

10% owner

Buy

2,000

$7.97

$15.94K

TULLIS JAMES L L

15 Jun 2022

Director

Buy

7,500

$6.76

$50.70K

Segal Paul

15 Jun 2022

10% owner

Buy

50,000

$6.87

$343.50K

Segal Paul

14 Jun 2022

10% owner

Buy

50,000

$6.95

$347.50K

Segal Paul

10 Jun 2022

10% owner

Buy

200

$7.10

$1.42K

Segal Paul

9 Jun 2022

10% owner

Buy

71,129

$7.18

$510.71K

Berkowitz Mortimer III

9 Jun 2022

Director

Buy

16,000

$7.20

$115.20K

Pritzker Jennifer N.

16 May 2022

10% owner

Buy indirect

2,000

$8.32

$16.64K

Pritzker Jennifer N.

13 May 2022

10% owner

Buy

4,000

$7.96

$31.84K

Pritzker Jennifer N.

11 Mar 2022

10% owner

Buy indirect

1,100

$10.64

$11.70K

Pritzker Jennifer N.

8 Mar 2022

10% owner

Buy indirect

1,000

$11.45

$11.45K

Pritzker Jennifer N.

8 Mar 2022

10% owner

Buy indirect

1,000

$11.46

$11.46K

Pritzker Jennifer N.

8 Mar 2022

10% owner

Buy

1,000

$11.39

$11.39K

Pritzker Jennifer N.

8 Mar 2022

10% owner

Buy

1,000

$11.45

$11.45K

Showing 250 of 348 transactions. The figures above use every one of them.

By person

Individual transactions

What was left out