Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Foster John
  2. Issuer Name and Ticker or Trading Symbol
Alphatec Holdings, Inc. [ATEC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O HEALTHPOINT CAPITAL, 505 PARK AVENUE, 12TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
04/21/2010
(Street)

NEW YORK, NY 10022
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 04/21/2010   S(1)   9,200,000 D $ 4.75 33,331,917 I See Footnote (2)
Common Stock               181,300 I See Footnote (3)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Foster John
C/O HEALTHPOINT CAPITAL
505 PARK AVENUE, 12TH FLOOR
NEW YORK, NY 10022
  X   X    

Signatures

 /s/ Ebun S. Garner, Esq., attorney-in-fact   04/21/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Reporting Person sold the shares upon the closing of the previously announced underwritten public offering by the Issuer and HealthpointCapital Partners, L.P. of an aggregate of 18,400,000 shares of the Issuer's common stock, consisting of 9,200,000 shares sold by the Issuer and 9,200,000 shares sold by HealtpointCapital Partners, L.P. The sales include shares sold upon exercise in full of the underwriters' over-allotment option.
(2) Includes 10,877,173 shares owned by HealthpointCapital Partners, L.P., 21,110,565 shares owned by HealthpointCapital Partners II, L.P. and 1,344,179 shares held by HCPII Co-Invest Vehicle II, L.P. The Reporting Person is a managing member of HGP, LLC, which is the general partner of HealthpointCapital Partners, L.P and a managing member of HGP II, LLC, which is the general partner of HealthpointCapital Partners II, L.P. and HCPII Co-Invest Vehicle II, L.P. The Reporting Person disclaims beneficial ownership of such shares except as to the extent of his pecuniary interest in such shares.
(3) Includes 150,900 shares owned by John H. Foster and 30,400 shares owned by John H. Foster, trustee u/w of Virginia C. Foster. The Reporting Person is a trustee and the principal beneficiary of such trust.

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