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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Snider Brian 		2. Issuer Name and Ticker or Trading Symbol

Alphatec Holdings, Inc. [ ATEC ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
See Remarks
(Last)          (First)          (Middle)

C/O ALPHATEC SPINE, INC., 5818 EL CAMINO REAL 		3. Date of Earliest Transaction (MM/DD/YYYY)

3/20/2017
(Street)

SAN DIEGO, CA 92130
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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 - Restricted Stock Units   (1) 3/31/2017     A    75000   (2) A $0.00   75000   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Stock Option (right to buy)   $2.87   3/20/2017     A      75000         (3) 3/19/2027   Common Stock   75000   $0.00   75000   D    
Series A Convertible Preferred Stock   $2.00   3/29/2017     A      100         (4)   (4) Common Stock   50000   $1000.00   100   D    
Warrants (right to buy)   $2.00   3/29/2017     A      50000         (5)   (5) Common Stock   50000   $0.00   50000   D    

Explanation of Responses:
( 1)  The restricted stock units ("RSUs") vest annually within 25% vesting on the anniversary of the grant date, and 25% vesting each anniversary thereafter.
( 2)  Each RSU represents a contingent right to receive one share of the issuer's common stock.
( 3)  The options vest over four years with 25% vesting on the anniversary of the grant date and the remaining 75% vesting in 36 installments every month for the three years thereafter.
( 4)  Each share of Series A Convertible Preferred Stock has no expiration date and is convertible into 500 shares of the issuer's common stock following that date that shareholder approval is obtained.
( 5)  Each Warrant is exercisable for 1 share of the issuer's common stock for a period of five years following that date that shareholder approval is obtained.

Remarks:
EVP, Strategic Marketing and Product Development

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Snider Brian
C/O ALPHATEC SPINE, INC.
5818 EL CAMINO REAL
SAN DIEGO, CA 92130

See Remarks

Signatures
/s/ Craig Hunsaker, Attorney-in-fact 3/31/2017
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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