Document:

Amended and Restated Employment Agreement

 Exhibit 10.24 
 AMENDED AND RESTATED EMPLOYMENT AGREEMENT 
 THIS
AMENDED AND RESTATED EMPLOYMENT AGREEMENT (the “Agreement”) is entered into on the 1st day of January, 2011, by and between Alphatec Holdings, Inc. (the “Company”), a Delaware corporation, and Dirk Kuyper (the “Executive”) (hereinafter collectively referred to as the
“parties”). 
 WHEREAS, the Company and the Executive entered into that certain Employment Agreement dated
June 1, 2007, as amended (the “Original Agreement”) 
 WHEREAS, the Company and the Executive wish to amended and
restated the Original Agreement in accordance with the terms set forth in this Agreement 
 NOW, THEREFORE, in consideration of
the foregoing and the mutual promises contained herein, the parties agree that the Original Agreement is hereby deleted in its entirety and replaced with the following: 
 1. Employment Term. The Executive shall be employed by the Company for the period (the “Employment Term”) beginning July 2, 2007 or such earlier date as the parties may agree (the
“Effective Date”) and ending on July 1, 2013 unless the Company agrees to extend the Employment Term beyond July 1, 2013 by giving the Executive at least three months’ advance notice thereof, or upon his termination of
employment pursuant to Section 10 of this Agreement. 
 2. Position and Duties. The Executive will be employed as
the President and Chief Executive Officer of the Company or in such other position(s) as may be mutually agreed upon by the parties, working principally from the Company’s headquarters which currently are located in Carlsbad, California. The
Executive will perform the duties, undertake the responsibilities and exercise the authority customarily performed, undertaken and exercised by persons employed in a similar executive capacity or as directed by the Company’s Board of Directors
(the “Board”). The Executive shall report directly to the Board. In addition, it is the Company’s intention that the Executive will be appointed or elected to serve as a member of the Board of Directors of the Company (the
“Board”) throughout the Employment Term. 
 3. Devotion of Full Time and Attention. The Executive will devote
his full working time, attention and skill to the performance of his duties and responsibilities as an executive employee of the Company and will do so in a trustworthy and professional manner. He will use his best efforts to promote the interests
of the Company. The Executive will not, without prior written approval of the Board, engage in any other activities that would interfere with the performance of his duties as an employee of the Company, are in violation of written policies of the
Company, are in violation of applicable law, or would create an actual or perceived conflict of interest with respect to the Executive’s obligations as an employee of the Company. 

  
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 4. Compensation. During his employment, the Executive shall be paid the following as
compensation for his services: 
 A. Base Salary. The Executive’s initial base salary will be $425,000 per annum
(such base salary, as it may be adjusted from time to time in accordance with this Section, the “Base Salary”), from which shall be deducted all required or authorized payroll deductions, including state and federal withholdings. The Base
Salary will be payable in accordance with the Company’s customary payroll practices applicable to its executives. The Base Salary will be reviewed, and may be adjusted, at least annually in a manner determined by the Board or, if the Board so
directs, by the Compensation Committee of the Board (the “Compensation Committee”). 
 B. Bonus. The Executive
will be eligible for an annual bonus for each fiscal year of his employment. Such bonus shall be based on a target equal to $365,000 and shall be awarded based on a determination by the Board of the Executive’s performance against criteria
mutually determined by the Board and the Executive at the beginning of each fiscal year (or at the beginning of the Employment Term in the case of the fiscal year in which the Executive’s employment begins). Each bonus earned by the Executive
will be paid to the Executive on or before 2 1/2 months following the end of the fiscal year in which the bonus was earned. If the Board so directs, the determinations invested in it by this paragraph B may be made by the
Compensation Committee. 
 C. Equity Compensation. 

(i) Effective on July 2, 2007, the Company shall grant the Executive 690,000 shares of restricted Company stock (the
“Shares”) pursuant to the Amended and Restated 2005 Employee, Director and Consultant Stock Plan (“Stock Plan”). So long as the Executive continues to be employed by the Company, 1/16 of all such Shares shall become
non-forfeitable and the restrictions thereon shall lapse (such shares then being referred to as “vested”) on October 2, 2007 and every three months until all such Shares have vested. Upon termination of his employment the Executive
shall forfeit his interest in any Shares which have not vested. In addition, in the event that there is a Change in Control (as defined below) during the Executive’s Employment, any Shares which have not previously vested shall become vested
immediately upon such Change in Control. The parties agree and acknowledge that the Shares have been granted as of the Effective Date. 
 a. Change in Control. For purposes of this Section, “Change in Control” means the occurrence of any of the following events: 

(x) the acquisition by an individual, entity or group (within the meaning of Section 13(d)(3) or 14(d)(2) of the Securities
Exchange Act of 1934, as amended (the “Exchange Act”)) (a “Person”) of beneficial ownership of any capital stock of the Company if, after such acquisition, such Person beneficially owns (within the meaning of Rule 13d-3
promulgated under the Exchange Act) in excess of 50% of either the then-outstanding shares of common stock of the Company (the “Outstanding Company Common Stock”) or the combined voting power of the then-outstanding securities of the
Company entitled to vote generally in the election of directors (the “Outstanding Company Voting Securities”); provided, however, that for purposes of this subsection (A), the following acquisitions shall not constitute a Change in
Control: (1) any acquisition of more than 50% of the Outstanding Company Common Stock directly from the Company (excluding an acquisition pursuant to the exercise, conversion or exchange of any security exercisable for, convertible into or
exchangeable for common stock or voting 

  
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securities of the Company, unless the Person exercising, converting or exchanging such security acquired such security directly from the Company or an underwriter or agent of the Company);
(2) any acquisition of more than 50% of the Outstanding Company Common Stock by the Company; (3) any acquisition of more than 50% of the Outstanding Company Common Stock by any employee benefit plan (or related trust) sponsored or
maintained by the Company or any corporation controlled by the Company; or (4) any acquisition by any Person who, prior to such acquisition, already owned more than 50% of the Outstanding Company Common Stock or Outstanding Company Voting
Securities; or 
 (y) such time as the majority of the members of the Board (or, if applicable, the board of directors of
a successor corporation to the Company) is replaced during any 12-month period (commencing no earlier than the date of this Agreement) by directors whose appointment or election is not endorsed by a majority of the members of the Board prior to the
date of the appointment or election; or 
 (z) the consummation of a merger, consolidation, reorganization, recapitalization or
statutory share exchange involving the Company or a sale or other disposition of all or substantially all of the assets of the Company in one or a series of transactions (a “Business Combination”), unless, immediately following such
Business Combination, all or substantially all of the individuals and entities who were the beneficial owners of the Outstanding Company Common Stock and Outstanding Company Voting Securities immediately prior to such Business Combination
beneficially own, directly or indirectly, more than 50% of the then-outstanding shares of common stock and the combined voting power of the then-outstanding securities entitled to vote generally in the election of directors, respectively, of the
resulting or acquiring corporation in such Business Combination (which shall include, without limitation, a corporation which as a result of such transaction owns the Company or substantially all of the Company’s assets either directly or
through one or more subsidiaries) in substantially the same proportions as their ownership, immediately prior to such Business Combination, of the Outstanding Company Common Stock and Outstanding Company Voting Securities, respectively. 

(ii) The Executive will also be eligible to be considered by the Compensation Committee for grants or awards of stock options or other
stock-based compensation under the Stock Plan or similar plans as in effect from time to time. All such grants or awards shall be governed by the relevant plan documents and requirements and shall be evidenced by the Company’s then-standard
form of stock option, restricted stock or other applicable agreement. 
 5. Benefits. The Executive will be entitled to
participate in all employee benefit plans, practices and programs maintained by the Company and made available to employees generally including, without limitation, all pension, retirement, profit sharing, savings, health, hospitalization,
disability, dental, life or travel accident insurance benefit plans, vacation and sick leave in accordance with the terms of such plans, practices and programs as in effect from time to time. In addition, the Executive shall be entitled to the
following benefits: 
 A. Executive shall receive reimbursement of up to $10,000 per calendar year in connection with premiums
paid by Executive for the purchase of a supplemental long term disability insurance policy. Such reimbursement shall occur after proof of payment of such premiums has been submitted to the Company; 

  
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 B. Executive shall receive reimbursement of up to $5,000 over two calendar years (with the
first such year starting February 9, 2010) in connection with costs and expenses related to physical examinations conducted in accordance with an executive health program (as an example, the Mayo Clinic’s Executive Health Program, or a
similar program). Such reimbursement shall occur after proof of payment of such premiums has been submitted to the Company; and 

C. Executive shall be entitled to use an automobile leased or owned and maintained by the Company, and such automobile shall be of a kind
and model appropriate to Executive’s position with the Company. Executive shall be responsible for any expenses related to such automobile that are in excess of $1,000 per month. 

6. Expense Reimbursement. The Company will pay the reasonable and properly documented expenses incurred by the Executive in
furtherance of the Company’s business in accordance with applicable Company policies and procedures. 
 7. Vacation.
The Executive may take up to four (4) weeks of paid vacation during each year at such times as shall be consistent with the Company’s vacation policies and with vacations scheduled for other executives and employees of the Company.

 8. Intentionally Omitted. 
 9. Intentionally Omitted. 
 10. Termination and Compensation Upon
Termination. The Executive’s employment shall terminate, other than by expiration of the Employment Term, as set forth in this Section. 
 A. Definitions. 
 (i) Cause. For purposes of this Agreement,
“Cause” means: (A) a finding by the Board that the Executive failed to substantially perform his duties and obligations to the Company (other than a failure resulting from the Executive’s incapacity because of a Disability, as
defined below), including but not limited to one or more acts of gross negligence; (B) a finding by the Board of a material breach of the Company’s Code of Conduct or other policies and procedures; (C) indictment or conviction
(including the entry of a plea of guilty or nolo contendere by the Executive) to any felony or any misdemeanor or other criminal offense involving fraud, dishonesty, theft, breach of trust or moral turpitude or that requires mandatory exclusion in
any Federal health care program pursuant to 42 U.S.C. § 1320a-7(a) during the Executive’s employment; (D) a finding by the Board that the Executive willfully engaged in conduct which is demonstrably and materially injurious to the
Company, monetarily or otherwise; (E) a finding by the Board that the Executive materially breached this Agreement; or (F) the Executive’s violation of the Securities Act of 1933 or the Securities Exchange Act of 1934. 

  
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 (ii) Disability. 

a. Except as set forth in Section 10(a)(ii)(b) below, for purposes of this Agreement, “Disability” means a physical or
mental illness, impairment or infirmity which renders the Executive unable to perform the essential functions of his position, including his duties under this Agreement, with reasonable accommodation, as determined by a physician selected by the
Company and acceptable to the Executive or the Executive’s legal representative, for at least one hundred eighty (180) days during any 365-consecutive-day period. 
 b. Notwithstanding the foregoing, to the extent that any payment under this Agreement that is subject to Code Section 409A may be triggered due to a Disability, “Disability” shall mean
Executive (A) is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less
than twelve (12) months, or (B) is, by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than twelve (12) months,
receiving income replacement benefits for a period of not less than three (3) months under a Company-sponsored group disability plan. The Executive shall be entitled to the compensation and benefits provided for under this Agreement for
any period during the Term of this Agreement and prior to the establishment of the Executive’s Disability during which the Executive is unable to work due to a physical or mental illness, impairment or infirmity. Notwithstanding anything
contained in this Agreement to the contrary, the Executive will be entitled to return to his position with the Company as set forth in this Agreement in which event no Disability of the Executive will be deemed to have occurred, until the
Termination Date specified in a Notice of Termination (as each term is hereinafter defined) relating to the Executive’s Disability. 
 B. Events Resulting in Termination; Compensation Upon Termination. 
 (i)
Termination for Cause. The Company may terminate the Executive’s employment for Cause. 
 a. If the Executive’s
employment is terminated by the Company for Cause, then the Company will pay the Executive all amounts earned or accrued hereunder through the Termination Date but not paid as of the Termination Date, including (1) Base Salary;
(2) Expenses incurred by the Executive on behalf of the Company for the period ending on the Termination Date; and (3) any bonus or other compensation with respect to the fiscal year ended prior to the fiscal year in which the Termination
Date occurs that was earned but not paid (collectively, “Accrued Compensation”). 
 b. In the event that the Company
terminates the Executive’s employment without Cause, but the Board determines subsequently that the Company had the right to terminate the Executive’s employment for Cause pursuant to this Section 10B(i), the Company may terminate the
payment of all amounts to the Executive pursuant to Section 10B(ii) and the Executive shall return all previous payments made to him pursuant to Section 10B(ii) other than the Accrued Compensation. 

(ii) Termination by the Company Without Cause. The Company may terminate the Executive’s employment without Cause. If the
Executive’s employment with the Company is terminated by the Company without Cause (excluding any termination due to the Executive’s death or Disability), then the Company will pay the Executive: 

a. all Accrued Compensation; 

  
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 b. a severance payment equal to the Executive’s Base Salary immediately preceding the
Termination Date which shall be paid to the Executive in twelve (12) equal monthly installments on the first business day of each month following the Termination Date except that the first payment shall not be sooner than the eighth day
following the date on which the Executive delivers to the Company the release referred to in Section 10B(ii)(D) below; (C) directly, or by reimbursing the Executive for, the monthly premium for continuation coverage under the
Company’s health and dental insurance plans, to the same extent that such insurance is provided to persons currently employed by the Company, provided that the Executive makes a timely election for such continuation coverage under the
Consolidate Omnibus Budget Reconciliation Act of 1985 (“COBRA”). The “qualifying event” under COBRA shall be deemed to have occurred on the Termination Date. The Company’s obligation under this paragraph shall end 12 months
after the Termination Date or at such earlier date as the Executive becomes eligible for comparable coverage under another employer’s group coverage. The Executive agrees to notify the Company promptly and in writing of any new employment and
to make full disclosure to the Company of the health and dental insurance coverage available to him through such new employment; and (D) The Company shall not be obligated to make the payments otherwise provided for in Sections 10B(ii)(B) and
(C) unless the Executive provides to the Company, and does not revoke, a general release of claims in a form satisfactory to the Company. 
 (iii) Disability. The Company may terminate the Executive’s employment upon the Executive’s Disability. If the Executive’s employment with the Company is terminated because of his
Disability, then the Company will pay the Executive (A) all Accrued Compensation; and (B) an amount equal to the Executive’s target bonus for the fiscal year in which the Executive’s employment is terminated due to his
Disability, multiplied by a fraction, the numerator of which shall be the number of days from the beginning of such fiscal year through the Termination Date and the denominator of which shall be three hundred and sixty-five (365). If the
Executive’s Disability meets the definition set forth in Section 10A(ii)(b), the Company will also pay the Executive any deferred compensation. In addition, effective upon the Executive’s Disability, each outstanding option to
purchase shares of Common Stock of the Company held by the Executive shall become immediately exercisable in full and will no longer be subject to a right of repurchase by the Company, and each outstanding restricted stock award shall be deemed to
be fully vested and will no longer be subject to a right of repurchase by the Company. 
 (iv) Death. The
Executive’s employment shall terminate because of the Executive’s death. If the Executive’s employment with the Company terminates because of the Executive’s death, then the Company will pay the Executive’s beneficiaries or
heirs (A) all Accrued Compensation; and (B) an amount equal to the Executive’s target bonus for the fiscal year in which the Executive’s employment is terminated due to his death, multiplied by a fraction, the numerator of which
shall be the number of days from the beginning of such fiscal year through the Termination Date and the denominator of which shall be three hundred and sixty-five (365). In addition, effective upon the death of the Executive, each outstanding option
to purchase shares of Common Stock of the Company held by the Executive shall become immediately exercisable in full and will no longer be subject to a right of repurchase by the Company, and each outstanding restricted stock award shall be deemed
to be fully vested and will no longer be subject to a right of repurchase by the Company. 

  
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 (v) Resignation. The Executive may terminate this Agreement upon thirty
(30) days’ prior written notice to the Board. If the Executive’s employment with the Company is terminated by the Executive, then the Company will pay the Executive all Accrued Compensation earned through the Termination Date
specified in the Notice of Termination. 
 C. Notice of Termination. Any purported termination by the Company or by the
Executive will be communicated by a written Notice of Termination to the other. For purposes of this Agreement, a “Notice of Termination” means a notice which indicates the specific termination provision in this Agreement relied upon and
sets forth the Termination Date (as defined below). For purposes of this Agreement, no purported termination of employment will be effective without a Notice of Termination. 
 D. Termination Date. “Termination Date” will mean (i) in the case of the Executive’s Death, the Executive’s date of Death; (ii) if the Executive’s employment is
terminated for Disability, the date of the Executive’s Disability; (iii) if the Executive terminates his employment, on the effective date of termination specified in the Notice of Termination; and (iv) if the Executive’s
employment is terminated for any other reason, the date specified in the Notice of Termination, which will not be longer than seven (7) days after the Notice of Termination. 

E. Timing of Payment. The Accrued Compensation payable to the Executive will be paid as required by applicable state law or within
ten (10) business days after the Executive’s Termination Date, whichever period is shorter. Any other compensation provided for in Section 10(b) will be paid as set forth above. 

11. Confidential Information and Intellectual Property; Non-solicitation of Employees. 

A. Confidential Information. All information and know-how, whether or not in writing, of a private, secret or confidential nature
concerning the Company’s business or financial affairs (collectively, “Confidential Information”) is and shall be the exclusive property of the Company. By way of illustration, but not limitation, Confidential Information may include
inventions, products, processes, methods, techniques, formulas, compositions, compounds, projects, developments, plans, research data, clinical data, financial data, personnel data, computer programs, and customer and supplier lists. The Executive
will not disclose any Confidential Information to others outside the Company or use the same for any unauthorized purposes without written approval by an officer of the Company, either during or after his employment, unless and until such
Proprietary Information has become public knowledge without fault by the Executive. 
 B. Business Records. All files,
letters, memoranda, reports, records, data, sketches, drawings, laboratory notebooks, program listings, or other written, photographic, or other tangible material whether or not containing Confidential Information, whether created By the Executive
or others, which shall come into his custody or possession, shall be and are the exclusive property of the Company to be used by the Executive only in the performance of his duties for the Company and shall be returned to the Company upon
termination of the Executive’s employment. 

  
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 C. Third Party Information. The Executive’s obligation not to disclose or use
information, know-how and records of the types set forth in paragraphs A and B above, also extends to such types of information, know-how, records and tangible property of subsidiaries and joint ventures of the Company, customers of the Company or
suppliers to the Company or other third parties who may have disclosed or entrusted the same to the Company or to the Executive in the course of the Company’s business. 
 D. Creations. All Creations (as herein defined) shall be the property of the Company. “Creations” shall mean all ideas, prospect and customer lists, inventions, research, plans for
products or services, potential marketing and sales relationships, business development strategies, marketing plans, designs, logos, branding, layouts, templates, computer software (including, without limitation, source code), computer programs,
original works of authorship, copyrightable expression, characters, know-how, trade secrets, information, data, developments, discoveries, improvements, modifications, technology, methodologies, algorithms and designs, whether or not subject to
patent or copyright protection, made, conceived, expressed, developed, or actually or constructively reduced to practice by the Executive solely or jointly with others to the extent relating to or otherwise in connection with the Executive’s
employment by the Company. The Executive agrees to cooperate in all respects regarding requests by the Company relating to the Company’s intellectual property rights in the Creations, whether such cooperation is required during or after the
termination of the employment period. 
 E. Non-solicitation. For a period of one (1) year after termination of the
Executive’s employment for any reason, the Executive will not recruit, solicit or induce, or attempt to recruit, solicit or induce, any employee of the Company to terminate his or her employment with, nor shall he otherwise interfere in the
relationship between the Company and any such employee. 
 F. Remedy. The restrictions contained in this Section 11
are necessary for the protection of the business and goodwill of the Company and are acknowledged by the Executive to be reasonable. The Executive agrees that any breach of this Section 11 will cause the Company substantial and irrevocable
damage and therefore, in the event of any such breach, in addition to such other remedies which may be available, the Company shall have the right to seek specific performance and injunctive relief in a court of law. 

12. Successors and Assigns. 
 A. Successor to Company. The Company shall require any successor (whether direct or indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business or assets
of the Company expressly to assume and agree to perform this Agreement to the same extent that the Company would be required to perform it if no such succession had taken place. 

B. Successor to the Executive. Neither this Agreement nor any right or interest hereunder will be assignable or transferable by
the Executive, his beneficiaries or legal representatives, except by will or by the laws of descent and distribution. This Agreement will inure to the benefit of and be enforceable by the Executive’s legal personal representative. 

  
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 13. Arbitration. The Company and the Executive agree that they prefer to arbitrate
any dispute they may have instead of litigating in court before a judge or jury. Therefore, any and all disputes, claims and controversies between the Company or any of its Affiliates and the Executive arising out of or relating to this Agreement,
or the breach thereof, or otherwise arising out of or relating to the Executive’s employment or the termination thereof will be resolved by binding arbitration in accordance with the National Rules for the Resolution of Employment Disputes of
the American Arbitration Association (or any comparable rules then in existence). The arbitration will take place in the San Diego, California metropolitan area. The arbitrator will have no authority to award punitive damages. The award of the
arbitrator will be final and judgment thereon may be entered in any court having jurisdiction. The parties will share the costs of the arbitration equally, unless otherwise ordered by the arbitrator. Each party will bear its own attorneys’ fees
and costs. Judgment upon the arbitration award may be entered in any federal or state court having jurisdiction. The parties understand and agree that EACH PARTY TO THIS AGREEMENT WAIVES ANY RIGHT TO A JURY TRIAL. 

14. Notice. For the purposes of this Agreement, notices and all other communications provided for in the Agreement (including the
Notice of Termination) will be in writing and will be deemed to have been duly given when personally delivered or sent by certified mail, return receipt requested, postage prepaid, addressed to the respective addresses last given by each party to
the other, provided that all notices to the Company will be directed to the attention of the Board with a copy to the Secretary of the Company. All notices and communications will be deemed to have been received on the date of delivery thereof or on
the third business day after the mailing thereof, except that notice of change of address will be effective only upon receipt. 

15. Non-exclusivity of Rights. Nothing in this Agreement will prevent or limit the Executive’s continuing or future
participation in any benefit, bonus, incentive or other plan or program provided by the Company or any of its subsidiaries and for which the Executive may qualify, nor will anything herein limit or reduce such rights as the Executive may have under
any other agreements with the Company or any of its subsidiaries. Amounts which are vested benefits or which the Executive is otherwise entitled to receive under any plan or program of the Company or any of its subsidiaries will be payable in
accordance with such plan or program, except as explicitly modified by this Agreement. 
 16. Miscellaneous. No provision
of this Agreement may be modified, waived or discharged unless such waiver, modification or discharge is agreed to in writing and signed by the Executive and the Company. The Company and the Executive agree that they will negotiate in good faith and
jointly execute an amendment to modify this Agreement to the extent necessary to comply with the requirements of Code Section 409A, or any successor statute, regulation and guidance thereto; provided that no such amendment shall increase the
total financial obligation of the Company under this Agreement. No waiver by either party hereto at any time of any breach by the other party hereto of, or compliance with, any condition or provision of this Agreement to be performed by such other
party will be deemed a waiver of similar or dissimilar provisions or conditions at the same or at any prior or subsequent time. No agreement or representations, oral or otherwise, express or implied, with respect to the subject matter hereof have
been made by either party which are not expressly set forth in this Agreement. 

  
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 17. Governing Law. This Agreement will be governed by and construed and enforced in
accordance with the laws of the State of California without giving effect to the conflict of law principles thereof. The Executive hereby irrevocably submits and acknowledges and recognizes the jurisdiction of the courts of the State of California,
or if appropriate, a federal court located in California (which courts, for purposes of this Agreement, are the only courts of competent jurisdiction), over any suit, action or other proceeding arising out of, under or in connection with this
Agreement or the subject matter hereof. 
 18. Severability. The provisions of this Agreement will be deemed severable
and the invalidity or unenforceability of any provision will not affect the validity or enforceability of the other provisions hereof. 
 19. Tax Consequences. The Company makes no representation regarding, and does not guarantee, the tax treatment or tax consequences associated with any payment or benefit arising under this
Agreement. 
 20. Equity Pool for Other Employees. The Company has or will make available a pool of stock options,
restricted stock and/or other equity for the purpose of assisting the Executive to recruit capable management to support the Executive’s efforts to grow the Company and increase profitability. Any grant of such equity shall be subject to
approval by the Board in accordance with the terms of the Stock Plan or similar plans in effect from time to time. 

  
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 IN WITNESS WHEREOF, the Company has caused this Agreement to be executed by its duly
authorized officer and the Executive has executed this Agreement as of the day and year first above written. 
  

					
		 	Alphatec Holdings, Inc.
			
		 		 	 /S/ Ebun Garner

		 	Name:	 	Ebun S. Garner, Esq.
		 	Title:	 	General Counsel and SVP

  

					
		 	Alphatec Spine, Inc.
			
		 		 	 /S/ Ebun Garner

		 	Name:	 	Ebun S. Garner, Esq.
		 	Title:	 	General Counsel and SVP

  

					
		 	Dirk Kuyper
			
		 		 	 /S/ Dirk Kuyper

  
 11Amended and Restated Employment Agreement

 Exhibit 10.31 
 Effective as of January 15, 2011 
 Mr. Mitsuo Asai 

Dear Mr. Asai (hereinafter, “you” or “your”), 
 I am very pleased to provide you with a summary of your revised terms of employment with Alphatec Holdings, Inc. and its subsidiaries, Alphatec Spine, Inc. and Alphatec Pacific, Inc. (collectively,
“Alphatec”). 
  

	1.	Position.  

 Your
position will be President, Alphatec Pacific, Inc., reporting to Dirk Kuyper, President and CEO. As you progress with Alphatec, your position and assignments are, of course, subject to change. As an Alphatec employee, we expect that you will perform
any and all duties and responsibilities normally associated with your position in a satisfactory manner and to the best of your abilities at all times. 
  

	2.	Starting Date/Nature of Relationship.  

 Upon accepting these revised terms of employment, and any conditions set forth herein are satisfied, your revised terms of employment with Alphatec will begin on January 15, 2011 (the
“Commencement Date”). Thereafter, you will be expected to devote all of your working time to the performance of your duties at Alphatec throughout your employment. The term of your employment (the “Term”) shall be for three
years, which term shall begin on the Commencement Date. 
  

	3.	Compensation, Benefits, Vacation, Bonus.  

 Your initial base pay shall be at a rate of 26,780,000 million yen per year. If you remain employed through the last day of a fiscal year, you will be eligible to receive a discretionary cash
performance bonus each fiscal year in an amount equal to 35.0% of the annual base salary for such fiscal year (the “Target Bonus Amount”). The payment of the Target Bonus Amount shall be subject to Alphatec’s and your achievement of
goals to be established and presented to you each fiscal year. 
 You may take advantage of various benefits offered by Alphatec
Pacific, Inc. You shall be entitled to 20 paid vacation days per calendar year. Alphatec shall provide a furnished corporate apartment in Tokyo, Japan for your use, and Alphatec shall pay (i) up to 4,000,000 yen annually in rent and
expenses related to such apartment, and (ii) all commissions, deposits and expenses incurred prior to the execution of the lease of such apartment. Alphatec shall provide you with a monthly travel allowance of 70,000 yen, provided that
(i) such amounts are used for travel between Tokyo, Japan and your home in Osaka, Japan; and (ii) Alphatec is not obligated to reimburse you in accordance with such allowance until you provide receipts to Alphatec that document the
incurred travel expenses. Alphatec agrees to reimburse you for the annual premium associated with your purchase of a workmen’s accident compensation insurance policy covering you. In the event that you become disabled during the Term through
any illness, injury, accident or condition of either a physical or psychological nature, and, as a result, are unable to perform all of your duties and responsibilities hereunder for a period of 90 consecutive days, Alphatec shall continue to pay
you your base salary then in effect for such 90-day period. You shall be entitled to fly business class on all employment-related trips between Japan and the United States. 

	4.	Your Representations and Warranties to Alphatec.  

 As a condition of your continued employment with Alphatec you hereby represent and warrant to Alphatec that (i) you are free to fully perform the duties of your position and that you are not subject
to any employment, confidentiality, non-competition or other agreement that would restrict your employment by Alphatec, (ii) your signing this letter does not violate any order, judgment or injunction applicable to you, or conflict with or
breach any agreement to which you are a party or by which you are bound, (iii) you have disclosed to Alphatec any applicability agreements that address confidentiality or other post-employment obligations, (iv) you have not disclosed and
will not disclose to Alphatec any proprietary, trade secret or confidential information belonging to another, (v) you have removed no documents or data from a prior employer or a third party, and you are in compliance and will remain in
compliance with any obligations of confidentiality to a third party, and (vi) all facts you have presented or will present to Alphatec are accurate and true. This includes, but is not limited to, all oral and written statements you have made
(including those pertaining to your education, training, qualifications, licensing and prior work experience) on any job application, resume or c.v. , or in any interview or discussion with Alphatec. 

 

	5.	Non-solicitation/Trade Secrets/Non disclosure.  

 You hereby agree and acknowledge that based upon your position within Alphatec that you will have access to certain Trade Secrets (as defined below), which, if disclosed to a third party would cause
Alphatec to suffer irreparable harm. In order to protect Alphatec from unauthorized use of such Trade Secrets following the termination of your employment, for a period of nine months following the termination of your employment relationship for any
reason, you will not (i) either individually or on behalf of or through any third party, directly or indirectly, solicit, entice or persuade or attempt to solicit, entice or persuade any employee, agent, consultant or contractor of Alphatec or
any of its affiliates (the “Company Group”) to leave the service of the Company Group for any reason; or (ii) either individually or on behalf of or through any third party, directly or indirectly, interfere with, or attempt to
interfere with, the business relationship between the Company Group and any vendor, supplier, surgeon or hospital with which you have interacted during the course of your employment with Alphatec. 

You agree that all information and know-how, whether or not in writing, of a proprietary, private, secret or confidential nature
concerning Alphatec’s business or financial affairs (collectively, “Trade Secrets”) is and shall be the exclusive property of Alphatec. By way of illustration, but not limitation, Trade Secrets include inventions, products, processes,
methods, techniques, formulas, compositions, compounds, projects, developments, inventions, projections, sales programs and commission rates, development projects and programs, research data, clinical data, financial data, personnel data, computer
programs, and vendor and supplier lists. You will not disclose any Trade Secrets to others outside Alphatec or use the same for any unauthorized purposes without written approval of Alphatec, either during or after your employment, unless and until
such Trade Secrets have become public knowledge without fault by you or any third party that was not obligated to keep such Trade Secrets confidential. It is agreed and acknowledged by the parties that the terms of this letter shall be deemed to be
a Trade Secret and you shall only disclose such terms to your spouse or advisor acting in a fiduciary capacity (i.e., attorney or accountant). 

 You agree that all files, letters, memoranda, reports, records, data, sketches, drawings,
laboratory notebooks, program listings, or other written, photographic, or other tangible material containing Trade Secrets, whether created by you or others, which shall come into your custody or possession, shall be and are the exclusive property
of Alphatec and shall solely be used by you in the performance of your duties for Alphatec. You agree to immediately return to Alphatec all Trade Secrets and all materials containing Trade Secrets following the termination of your employment
relationship. 
 You agree that your obligation not to disclose or misuse Trade Secrets, also includes such similar types of
information of subsidiaries, affiliates and joint ventures of Alphatec, customers of Alphatec or suppliers to Alphatec or other third parties who may have disclosed or entrusted the such similar types of information to Alphatec or to you in the
course of Alphatec’s business. 
 You recognize that a breach or threatened breach by you of any of the provisions
contained in this Section 5 will cause Alphatec irreparable injury. You therefore agree that Alphatec shall be entitled, in addition to any other right or remedy, to a temporary, preliminary and permanent injunction, without the necessity of
proving the inadequacy of monetary damages or the posting of any bond or security, enjoining or restraining you from any such violation or threatened violations. 
  

	6.	Termination of Employment; Effect of Termination of Employment. 

 During the Term, this Agreement may be terminated as follows: (i) by either the Alphatec or you without Cause (as defined below) upon ten days notice; or (ii) by Alphatec for Cause in accordance
with the notice provisions set forth below. 
 Your employment may be terminated by Alphatec for Cause upon the occurrence of
any of the following (each of which shall constitute “Cause”): (i) your being convicted of a crime involving dishonesty, fraud or theft; (ii) your committing any act of fraud or dishonesty resulting or intended to result directly
or indirectly in personal enrichment at the expense of Alphatec; (iii) failure or refusal by you to follow policies or directives reasonably established by the President and CEO of Alphatec that goes uncorrected for a period of 30 consecutive
days after written notice has been provided to you; (iv) a material breach of this Agreement that goes uncorrected for a period of 30 consecutive days after written notice has been provided to you; (v) any gross or willful misconduct or
gross negligence by you in the performance of your duties; (vi) a material violation of the Alphatec’s Code of Conduct; or (vi) your inability to perform your duties for 90 consecutive days due to a disability; or (vii) your
death. 
 In the event that your employment is terminated for Cause or at your election, Alphatec shall have no further
obligations under this Agreement other than to pay you the base salary and benefits, including payment for accrued but untaken vacation days, otherwise payable to you through the last day of your actual employment with Alphatec. 

In the event that your employment is terminated by Alphatec without Cause, Alphatec shall continue to pay you the annual base salary then
in effect for a period of 12 months from the last day of your actual employment with Alphatec. 
 In the event that your
employment is terminated due to your inability to perform your duties for 90 consecutive days due to a disability, Alphatec shall have no further obligations under this Agreement other than to pay you the base salary and benefits, including payment
for accrued but untaken vacation days, otherwise payable to you through the last day of your actual employment with Alphatec. In the event that your employment is terminated due to your death, Alphatec shall continue to pay your estate the annual
base salary then in effect for a period of six months from the last day of your actual employment with Alphatec. 

	7.	Miscellaneous.  

This letter constitutes Alphatec’s entire offer regarding the terms and conditions of your prospective employment with Alphatec. It
supersedes any prior agreements, or other promises or statements (whether oral or written) regarding the terms of your employment, including that certain Employment Agreement between you and Alphatec dated January 14, 2008. This letter shall be
governed by and construed and enforced in accordance with the internal laws of the State of California. In the event of a dispute involving this Agreement, you consent and agree that all disputes shall be resolved in accordance with the terms and
conditions of the Mutual Agreement to Arbitrate Claims between Alphatec and you. 
 [Signature Page Follows] 

 You may accept these revised terms of employment hereof by signing a copy of this letter.
Your signature on the copy of this letter and you submission of a signed copy to me will evidence your agreement set forth herein. 
 We are pleased to extend the terms of your employment with Alphatec, and we look forward to your continued success. We are confident that you will continue to make an important contribution to our unique
and exciting enterprise. 
  

	
	Sincerely,
	
	 /s/ Dirk Kuyper

	Dirk Kuyper
	President and CEO

 Read, Agreed and Acknowledged: 

 

	
	 /s/ Mitsuo Asai

	Mitsuo Asai

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