Form of Change of Control Agreement between the Registrant and its CEO



 EXHIBIT 10.4.1 
 ACOLOGIX, INC. 
 CHANGE OF CONTROL AGREEMENT 
 This Change of Control Agreement (the “Agreement”) is made and entered into by and between Yoshinari Kumagai (the
“Executive”) and Acologix, Inc., a Delaware corporation (the “Company”), effective as of
                        , 2006. 
 R E C I T A L S 
 A.    It is expected that the Company from time to time will
consider the possibility of an acquisition by another company or other change of control. The Board of Directors of the Company (the “Board”) recognizes that such consideration can be a distraction to the Executive and can cause the
Executive to consider alternative employment opportunities. The Board has determined that it is in the best interests of the Company and its stockholders to assure that the Company will have the continued dedication and objectivity of the Executive,
notwithstanding the possibility, threat or occurrence of a Change of Control of the Company. 
 B.    The Board believes
that it is in the best interests of the Company and its stockholders to provide the Executive with an incentive to continue his employment and to motivate the Executive to maximize the value of the Company upon a Change of Control for the benefit of
its stockholders. 
 C.    Certain capitalized terms used in the Agreement are defined in Section 5 below.

 NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is acknowledged, the parties hereto agree as
follows: 
 1.    Term of Agreement. This Agreement shall terminate upon the date that all obligations of the
parties hereto with respect to this Agreement have been satisfied. 
 2.    At-Will Employment. The Company and
the Executive acknowledge that the Executive’s employment is and shall continue to be at-will, as defined under applicable law. If the Executive’s employment terminates for any reason, including (without limitation) any termination prior
to a Change of Control, the Executive shall not be entitled to any payments, benefits, damages, awards or compensation other than as provided by this Agreement, or as may otherwise be available in accordance with the Company’s established
Executive plans and practices or pursuant to other agreements with the Company. 
 3.    Benefits. 
 (a)    Termination Following A Change of Control. In the event that a Change of Control of the Company occurs
and during the period beginning on the closing date of the transaction giving rise to such Change of Control and ending twelve (12) months after such closing date, the Executive’s employment with the Company (or the successor entity in
such Change of Control transaction) is either (a) terminated by the Company (or its successor entity) without Cause 








 
or (b) is Constructively Terminated by the Executive, then (i) one hundred percent (100%) of all unvested Stock Rights as of such date shall
become fully vested on the date of such termination, (ii) Executive will be entitled to receive an additional twenty-four (24) months salary and one hundred percent (100%) of the Executive’s target bonus for two years
(“Cash Benefits”) following termination of Executive’s employment and (iii) Executive will be entitled to receive an additional twenty-four (24) months of Company benefits following termination of Executive’s
employment in accordance with the Company’s existing written benefits plans and practices. The Cash Benefits shall be paid to the Executive in equal monthly installments over a twenty-four (24) month period and otherwise in accordance with
the Company’s existing payroll procedures. 
 (b)    Termination For Cause. If the
Executive’s employment terminates by reason of the Executive’s voluntary resignation (and is not a Constructive Termination), or if the Executive is terminated for Cause, then the Executive shall not be entitled to receive the accelerated
vesting of Stock Rights, severance payments or benefits set forth in Section 3(a) above. 
 (c)    Termination Apart from Change of Control. In the event the Executive’s employment is terminated for any reason, either prior to the occurrence of a Change of Control or after the twelve (12) month
period following a Change of Control, then the Executive will be entitled to receive severance and any other benefits only as may then be established under the Company’s existing written severance and benefits plans and practices or pursuant to
other written agreements with the Company. 
 4.    Release of Claims. The delivery to the Executive of the
benefits described in Section 3 following a termination will be subject to Executive’s signing and not revoking a standard separation agreement and release of claims in a form reasonably acceptable to the Company and the Executive. Such
separation agreement shall include, among other things, (a) a customary non-disparagement agreement by the Executive pursuant to which the Executive agrees not to disparage, criticize or otherwise make derogatory statements regarding the
Company, its directors or its officers, or to tortiously interfere with the contracts, relationships and prospective economic advantage of the Company, and (b) a customary non-solicitation agreement pursuant to which the Executive agrees for a
period of twenty-four (24) months not to directly or indirectly solicit, induce, attempt to hire, recruit, encourage, take away, hire any employee of the Company or cause an employee to leave his or her employment either to work for the
Executive or for any other entity or person. 
 5.    Definition of Terms. The following terms referred to in this
Agreement shall have the following meanings: 
 (a)    “Cause” means (i) any act of
dishonesty taken in connection with the Executive’s responsibilities as an Executive that is intended to result in such Executive’s personal enrichment; (ii) the Executive’s conviction or plea of no contest to a crime that
negatively reflects on the Executive’s fitness to perform Executive’s duties or harms the Company’s (or the successor corporation’s) reputation or business; (iii) willful misconduct by the Executive that is injurious to the
Company’s (or the successor corporation’s) reputation or business; or (iv) the Executive’s willful violation of a material Company employment policy. For purposes of this definition, an act or 

  

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failure to act will be deemed “willful” if effected not in good faith or without reasonable belief that such action or failure to act was in the
best interests of the Company (or the successor corporation). 
 (b)    “Change in
Control” means the occurrence of any of the following events: 
 (i)    Any “person”
(as such term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the “beneficial owner” (as defined in Rule 13d-3 of the Exchange Act), directly or indirectly, of securities of the Company representing fifty percent
(50%) or more of the total voting power represented by the Company’s then outstanding voting securities; or 
 (ii)    The approval by stockholders of the sale or disposition by the Company of all or substantially all of the Company’s assets; or 
 (iii)    A change in the composition of the Board occurring within a two-year period, as a result of which fewer than
a majority of the directors are Incumbent Directors. “Incumbent Directors” means directors who either (A) are Directors as of the effective date of the Plan, or (B) are elected, or nominated for election, to the Board with
the affirmative votes of at least a majority of the Incumbent Directors at the time of such election or nomination (but will not include an individual whose election or nomination is in connection with an actual or threatened proxy contest relating
to the election of directors to the Company); or 
 (iv)    The approval by stockholders of a merger or
consolidation of the Company with any other corporation, other than a merger or consolidation which would result in the voting securities of the Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding
or by being converted into voting securities of the surviving entity or its parent) at least fifty percent (50%) of the total voting power represented by the voting securities of the Company or such surviving entity or its parent outstanding
immediately after such merger or consolidation. 
 For purposes of clauses (i) and (iii) above, such Change of Control shall be
deemed to have occurred on the date on which the transaction closes; for the purpose of clauses (ii) and (iv) above, such Change of Control shall be deemed to have occurred on the date on which the Company’s stockholders approve a
transaction described in that clause. 
 (c)    “Constructive Termination” shall mean
the occurrence of any of the following without the Executive’s express written consent (i) the assignment to the Executive of any duties or the reduction of the Executive’s duties, either of which results in a significant diminution
in the Executive’s position or responsibilities in effect immediately prior to such assignment, or the removal of the Executive from such position and responsibilities, provided, however that changes in the circumstances of employment which are
solely the result of changes in corporate legal structure resulting directly from the Change of Control shall not constitute a basis for Constructive Termination; (ii) a substantial reduction, without good business reasons, of the facilities
and perquisites available to the Executive immediately prior to such reduction, unless the facilities and perquisites available to all executives of the Company are similarly reduced; (iii) a material reduction by the Company in the cash
compensation of the Executive as in effect immediately prior to such reduction; (iv) a material reduction by the Company in the kind or level of employee benefits 

  

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to which the Executive is entitled immediately prior to such reduction with the result that the Executive’s overall benefits package is significantly
reduced, unless the kind or level of employee benefits available to all executives of the Company are similarly reduced; or (v) the relocation of Executive’s principal place of employment to a facility or a location more than 50 miles from
the Executive’s then present location. 
 (d)    “Stock Rights” shall mean all
options or rights to acquire shares of Company Common Stock, or stock appreciation rights, performance units or performance shares (whether such awards are payable in cash, shares of Company Common Stock or otherwise), under plans, agreements or
arrangements which are compensatory in nature, including, without limitation, the Company’s Amended and Restated 2000 Incentive Stock Plan and 2006 Equity Incentive Plan, and any restricted stock purchase agreement between the Company and the
Executive. 
 6.    Successors. 
 (a)    Company’s Successors. Any successor to the Company (whether direct or indirect and whether by
purchase, merger, consolidation, liquidation or otherwise) to all or substantially all of the Company’s business and/or assets shall assume the obligations under this Agreement and agree expressly to perform the obligations under this Agreement
in the same manner and to the same extent as the Company would be required to perform such obligations in the absence of a succession. For all purposes under this Agreement, the term “Company” shall include any successor to the
Company’s business and/or assets which executes and delivers the assumption agreement described in this Section 6(a) or which becomes bound by the terms of this Agreement by operation of law. 
 (b)    Executive’s Successors. The terms of this Agreement and all rights of the Executive hereunder
shall inure to the benefit of, and be enforceable by, the Executive’s personal or legal representatives, executors, administrators, successors, heirs, distributees, devisees and legatees. 
 7.    Notice. 
 (a)    General. Notices and all other communications contemplated by this Agreement shall be in writing and shall be deemed to have been duly given when personally delivered or when mailed
by U.S. registered or certified mail, return receipt requested and postage prepaid. In the case of the Executive, mailed notices shall be addressed to the Executive at his or her home address most recently communicated to the Company in writing. In
the case of the Company, mailed notices shall be addressed to its corporate headquarters, and all notices shall be directed to the attention of its Secretary. 
 (b)    Notice of Termination. Any termination by the Company for Cause or by the Executive as a result of a
voluntary resignation or a Constructive Termination shall be communicated by a notice of termination to the other party hereto given in accordance with Section 7(a) of this Agreement. Such notice shall indicate the specific termination
provision in this Agreement relied upon, shall set forth in reasonable detail the facts and circumstances claimed to provide a basis for termination under the provision so indicated, and shall specify the termination date (which shall be not more
than 30 days after the giving of such notice). The failure by the 

  

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Executive to include in the notice any fact or circumstance which contributes to a showing of Constructive Termination shall not waive any right of the
Executive hereunder or preclude the Executive from asserting such fact or circumstance in enforcing Executive’s rights hereunder. 
 8.    Miscellaneous Provisions. 
 (a)    No Duty to Mitigate.
The Executive shall not be required to mitigate the amount of any payment contemplated by this Agreement, nor shall any such payment be reduced by any earnings that the Executive may receive from any other source. 
 (b)    Waiver. No provision of this Agreement shall be modified, waived or discharged unless the modification,
waiver or discharge is agreed to in writing and signed by the Executive and by an authorized officer of the Company (other than the Executive). No waiver by either party of any breach of, or of compliance with, any condition or provision of this
Agreement by the other party shall be considered a waiver of any other condition or provision or of the same condition or provision at another time. 
 (c)    Headings. All captions and section headings used in this Agreement are for convenient reference only and do not form a part of this Agreement. 
 (d)    Whole Agreement. No agreements, representations or understandings (whether oral or written and whether
express or implied) which are not expressly set forth in this Agreement have been made or entered into by either party with respect to the subject matter hereof. This Agreement represents the entire understanding of the parties hereto with respect
to the subject matter hereof and supersedes all prior arrangements and understandings regarding the same. No future agreements between the Company and the Executive may supersede this Agreement, unless they are in writing and specifically mention
this Section 8(d). In the event that the vesting acceleration provisions of this Agreement with respect to the Executive’s Stock Rights following a termination of employment conflict with any such provision contained in the agreements
documenting such Stock Rights (including any such provisions contained in the Company’s 2000 Incentive Stock Plan or 2006 Equity Incentive Plan), then the provisions of this Agreement shall control. 
 (e)    Choice of Law. The validity, interpretation, construction and performance of this Agreement shall be
governed by the laws of the State of California (with the exception of its conflict of laws provisions). 
 (f)    Severability. The invalidity or unenforceability of any provision or provisions of this Agreement shall not affect the validity or enforceability of any other provision hereof, which shall remain in full
force and effect. 
 (g)    Counterparts. This Agreement may be executed in counterparts, each of
which shall be deemed an original, but all of which together will constitute one and the same instrument. 
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 IN WITNESS WHEREOF, each of the parties has executed this Change in Control Agreement, in the case of the
Company by its duly authorized officer, as of the day and year set forth below. 
  

									
	 COMPANY:
	 		 	 ACOLOGIX, INC.

					
		 		 		 	 By:
	 	  
					
		 		 		 	 Title:
	 	  
					
		 		 		 	 Date:
	 	  
				
	EXECUTIVE:	 		 	  	 	  
		 		 	 Yoshinari Kumagai


 [Signature Page to Change of Control Agreement]