Document:

EX-4.9

 Exhibit 4.9 

THIS WARRANT AND THE SHARES OF COMMON STOCK ISSUABLE UPON ANY EXERCISE HEREOF HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE
“SECURITIES ACT”), OR ANY APPLICABLE STATE SECURITIES LAWS AND MAY NOT BE SOLD OR OTHERWISE TRANSFERRED BY ANY PERSON, INCLUDING A PLEDGEE, UNLESS (1) EITHER (A) A REGISTRATION WITH RESPECT THERETO SHALL BE EFFECTIVE UNDER THE
SECURITIES ACT, OR (B) THE COMPANY SHALL HAVE RECEIVED AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT IS AVAILABLE, AND (2) THERE SHALL HAVE BEEN COMPLIANCE WITH ALL
APPLICABLE STATE SECURITIES OR “BLUE SKY” LAWS. THERE IS NO AND THERE IS NOT EXPECTED TO BE A PUBLIC MARKET FOR THE SHARES OF COMMON STOCK ISSUABLE UPON ANY EXERCISE HEREOF. INVESTORS SHOULD BE AWARE THAT THEY WILL BE REQUIRED TO BEAR THE
FINANCIAL RISKS OF THIS INVESTMENT FOR AN INDEFINITE PERIOD OF TIME. 
 WARRANT TO PURCHASE 

SHARES OF COMMON STOCK OF 

AMEDICA CORPORATION 
  

					
	    Warrant No:	  	CDC-[    ]	  	Issue Date: May 9, 2011    

 This certifies that, for value received,
[                                        ],
(referred to herein as the “Holder”), is entitled to purchase from Amedica Corporation, a Delaware corporation with offices at 1885 West 2100 South, Salt Lake City, UT 84119 (the “Company”),
[                ] ([                ]) shares of the Company’s common stock, $0.01
par value per share (“Common Stock”), as such number and class of securities may be adjusted in accordance with the terms of Section 4 below, for the Stated Purchase Price (defined below), at any time commencing on the first
anniversary of the date hereof and shall terminate at 5:00 p.m. (New York City time) on the Warrant Expiration Date (as defined below) in accordance with the terms hereof. “Stated Purchase Price” shall mean the purchase price to be
paid upon exercise of this Warrant in accordance with the terms hereof, which price initially shall be $2.20 per share of Common Stock. The Stated Purchase Price shall be subject to adjustment from time to time pursuant to the provisions of
Section 4 below. “Warrant Expiration Date” means 5:00 p.m., New York City time, on the fifth anniversary of the date hereof. If pursuant to the above the Warrant Expiration Date would be a Saturday, Sunday or legal holiday in
the State of Utah, then the Warrant Expiration Date shall be the next succeeding date that is not a Saturday, Sunday or legal holiday. 
 In
the event of (a) the closing of the issuance and sale of shares of Common Stock of the Company in the Company’s first underwritten public offering (“IPO”) pursuant to an effective registration statement under the
Securities Act of 1933, as amended (the “Securities Act”), or (b) a Change of Control, the Warrant shall, on the date of such event, become immediately exercisable. 

 1. Exercise. 

(a) Manner of Exercise. This Warrant may be exercised at any time or from time to time for all or any part of the number of shares of
Common Stock (or other securities) then purchasable upon its exercise (the “Shares”); provided, however, that this Warrant shall be void and all rights represented hereby shall cease unless exercised before the end of the Warrant
Expiration Date. In order to exercise this Warrant, in whole or in part, Holder will deliver to the Company at its principal executive offices, or at such other office as the Company may designate by notice in writing, (i) this Warrant,
(ii) a written notice of Holder’s election to exercise this Warrant substantially in the form of Exhibit A attached hereto (the “Notice of Exercise”), and (iii) any documents required pursuant to Section 7
hereof, and shall pay to the Company in cash, by a certified or cashier’s check drawn on a United States Bank made payable to the order of the Company, or by wire transfer of funds to a bank account designated by the Company, an amount equal to
the aggregate Stated Purchase Price for all Shares as to which this Warrant is exercised. 
 (b) Net Exercise. 

(1) In lieu of exercising this Warrant by payment in cash, or by check or wire transfer, the Holder may elect to receive Shares equal to the
value of this Warrant (or the portion thereof being exercised), at any time after the date hereof and before the end of the Warrant Expiration Date, by surrender of this Warrant at the principal executive office of the Company, together with the
Notice of Exercise in the form annexed hereto, in which event the Company will issue to the Holder a number of Shares computed in accordance with the following formula: 
  

									
		 	X	 	    =    	 	Y x (A-B)    	  	
		 		 		 	A    	  	

  

							
	Where,	  	X	  	=	  	the number of Shares to be issued to Holder pursuant to this net exercise;
		  	Y	  	=	  	the number of Shares for which the net exercise election is made;
		  	A	  	=	  	the fair market value of one Share at the time the net exercise election is made; and
		  	B	  	=	  	the Stated Purchase Price (as adjusted at the date of the net exercise election is made).

 (2) For purposes of this Section 1(b), the fair market value of a Share and the effectiveness of the
exercise of this Warrant are determined as follows: 
 (i) if the exercise is in connection with an initial public offering, and if the
Company’s registration statement relating to such offering has been declared effective by the Securities and Exchange Commission, then the fair market value shall be the initial “Price to Public” specified in the final prospectus with
respect to the offering (net of applicable underwriting commissions), and such exercise shall be effected upon the date of such initial public offering, subject to due, proper and prior surrender of this Warrant and the closing of the initial public
offering; 

  
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 (ii) if the exercise is in connection with a Change of Control, then the fair market value shall
be the value received by the holders of Shares pursuant to the Change of Control for each share of such securities, and the exercise shall be effective upon the closing of such Change of Control, subject to due, proper and prior surrender of this
Warrant and the closing of the Change of Control; or 
 (iii) if the exercise is other than in connection with subsections (i) or
(ii) above and the Shares are traded on a securities exchange or through the Nasdaq Global Market, the value shall be deemed to be the average of the closing prices of the securities on such exchange over the thirty (30) day period ending
three (3) days prior to the net exercise election; or 
 (iv) if the exercise is other than in connection with subsections
(i) or (ii) above and the Shares are traded over-the-counter, the value shall be deemed to be the average of the closing bid or sale prices (whichever is applicable) over the thirty (30) day period ending three (3) days prior to
the net exercise; or 
 (v) if the exercise is other than in connection with subsections (i) or (ii) above and the Shares are not
traded on the over-the-counter market or on an exchange, the fair market value shall be determined in good faith by the Company’s Board of Directors (the “Board”). 

For purposes of this Warrant, A “Change of Control” shall mean any acquisition of capital stock of the Company, directly or
indirectly, any merger, tender offer, recapitalization or asset sale pursuant to which the Company’s stockholders immediately prior to such transaction hold less than 50% of the voting securities of the surviving corporation immediately after
such transaction or the majority of the assets of the Company are transferred or sold, except that any internal restructuring or re-organization of the Company that does not change the effective ultimate ownership of the Company shall not be deemed
a Change of Control. 
 (c) Issuance of Shares. Upon receipt of the documents and payments described in Section 1(a), the
Company shall, as promptly as practicable, execute or cause to be executed, and deliver to Holder a certificate or certificates representing the aggregate number of full Shares issuable upon such exercise, together with an amount in cash in lieu of
any fraction of a Share, as hereinafter provided. If this Warrant shall have been exercised in part, the Company shall, at the time of delivery of said certificate or certificates, deliver to the Holder a new Warrant evidencing the rights of Holder
to purchase the unpurchased Shares, which new Warrant shall in all other respects be identical with this Warrant. 
 2. Reservation of
Shares. The Company covenants that it will at all times until the Warrant Expiration Date reserve and keep available out of its authorized and unissued Common Stock (or other securities of the Company, as applicable), solely for the purpose of
issue upon exercise of this Warrant such number of shares of Common Stock (or other securities of the Company, as applicable) as shall then be issuable upon the exercise of this Warrant. 

3. Loss or Mutilation. Upon receipt of evidence satisfactory to the Company of the loss, theft, destruction or mutilation of this
Warrant (including a reasonably detailed affidavit 

  
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with respect to the circumstances of any loss, theft or destruction of such Warrant), and, in the case of any such mutilation, upon surrender and cancellation of this Warrant, the Company, at
Holder’s expense, will execute and deliver, in lieu hereof, a new Warrant of like tenor. 
 4. Adjustments to Shares and Stated
Purchase Price. 
 (a) If the Company at any time after the date hereof through the Warrant Expiration Date subdivides (by any stock
split, stock dividend, recapitalization or otherwise) its outstanding shares of Common Stock into a greater number of shares, the Stated Purchase Price in effect immediately prior to such subdivision will be proportionately reduced and the number of
shares issuable upon exercise of this Warrant will be proportionately increased, and if the Company at any time combines (by reverse stock split, recapitalization or otherwise) its outstanding shares of Common Stock into a smaller number of shares,
the Stated Purchase Price in effect immediately prior to such combination will be proportionately increased and the number of shares issuable upon exercise of this Warrant will be proportionately decreased. If the Company at any time shall, by
combination, reclassification, exchange or subdivision of securities or otherwise, change any of the securities as to which purchase rights under this Warrant exist into the same or a different number of securities of any other class or classes,
this Warrant shall thereafter represent the right to acquire such number and kind of securities as would have been issuable as the result of such change with respect to the securities which were subject to the purchase rights under this Warrant
immediately prior to such combination, reclassification, exchange, subdivision or other change. 
 (b) If the Company at any time after the
date hereof through the Warrant Expiration Date issues or sells any stock or other security (other than warrants or options to subscribe for or purchase shares of Common Stock or Preferred Stock granted to employees or consultants to the Company or
securities issued by the Company in connection with an initial public offering) that is at any time and under any circumstances, directly or indirectly convertible into, exercisable or exchangeable for, or which otherwise entitles the holder thereof
to acquire, any shares of Common Stock or Preferred Stock (the “Convertible Securities”), for a consideration per share less than $2.00 per share (subject to adjustment pursuant to Section 4(a)) or for which the Convertible
Securities have a conversion rate of less than $2.00 per share (subject to adjustment pursuant to 4(a)), then the Stated Purchase Price in effect immediately prior to such issuance or sale will be reduced, concurrently with such issue, to the
consideration per share received by the Company for such issuance or sale. 
 (c) When any adjustment is required to be made in the number
or kind of Shares purchasable upon exercise of this Warrant, or the Stated Purchase Price, the Company shall promptly notify the Holder in writing of such event, of the number and description of Shares thereafter purchasable upon exercise of this
Warrant, and of the revised Stated Purchase Price. 
 5. Fractional Shares. No fractional Shares shall be issued upon the exercise of
this Warrant, but, instead of any fraction of a Share which would otherwise be issuable, the Company shall pay a cash adjustment in respect of such fraction in an amount equal to the same fraction of the fair market value per share of Common Stock
(or other securities, as applicable) as of the close of business on the date of the notice required by Section 1 above, determined in good faith by the Board. 

  
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 6. Warrant Not Transferable. This Warrant is only exercisable by Holder and it is not
transferable to any other party. 
 7. Agreements. As a condition precedent to any exercise of this Warrant, Holder understands and
agrees that it may be required to execute certain documents and agreements (in Company standard form) relating to the purchase and sale of Shares, as well as right of first refusal, co-sale and voting rights agreements, if applicable, which all
other purchasers of the same class of shares are required to execute. Upon the execution and delivery of such documents and agreements, Holder will become a party to, and bound by, such agreements, as so amended or restated, as to the securities
acquired upon exercise of this Warrant. 
 8. Holder’s Representations and Warranties. Holder, by acceptance hereof, hereby
represents as follows: 
 (a) Investment Purpose. The right to acquire Shares (and the Shares) issuable upon exercise of the
Holder’s rights contained herein will be acquired for investment and not with a view to the sale or distribution of any part thereof, and the Holder has no present intention of selling or engaging in any public distribution of the same except
pursuant to a registration or exemption. 
 (b) Private Issue. The Holder understands (i) that the Shares issuable upon exercise
of this Warrant are not registered under the Securities Act or qualified under applicable state securities laws on the ground that the issuance contemplated by this Warrant will be exempt from the registration and qualifications requirements
thereof, and (ii) that the Company’s reliance on such exemption is predicated on the representations of Holder herein. 
 (c)
Financial Risk. The Holder has such knowledge and experience in financial and business matters as to be capable of evaluating the merits and risks of its investment, and has the ability to bear the economic risks of its investment. 

(d) Risk of No Registration. The Holder understands that if the Company does not register pursuant to Section 12 of the Securities
Exchange Act of 1934, as amended (the “1934 Act”), or file reports pursuant to Section 15(d) of the 1934 Act, or if a registration statement covering the securities under the Securities Act is not in effect when it desires to
sell the securities issuable upon exercise of this Warrant, it may be required to hold such securities for an indefinite period. The Holder also understands that any sale of securities issued or issuable hereunder which might be made by it in
reliance upon Rule 144 under the Securities Act may be made only in accordance with the terms and conditions of that Rule. 
 (e)
Accredited Investor. Holder is an “accredited investor” within the meaning of Rule 501 of Regulation D, promulgated under the Securities Act, as presently in effect. 

  
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 9. Company’s Representations and Warranties. The Company hereby represents and warrants to
Holder as follows: 
 (a) Due Authorization. This Warrant has been duly authorized, executed and delivered by the Company and
constitutes the valid and binding obligation of the Company, enforceable in accordance with its terms. 
 (b) Status of Shares;
Price. The Shares purchased by Holder upon any exercise of this Warrant in accordance with its terms will be, when issued by the Company, duly authorized, validly issued, fully paid in compliance with applicable securities laws (assuming the
accuracy of the Holder’s representations and warranties herein) and nonassessable. 
 10. Holder Not Deemed Stockholder. Holder
will not, as such, be entitled to vote or to receive dividends or be deemed the holder Shares that may at any time be issuable upon exercise of this Warrant for any purpose whatsoever, nor shall anything contained herein be construed to confer upon
Holder, as such, any of the rights of a stockholder of the Company or any right to vote for the election of directors or upon any matter submitted to stockholders at any meeting thereof, or to receive dividends or subscription rights, until Holder
shall have exercised this Warrant and been issued Shares in accordance with the provisions hereof. Subject to applicable law, any right not specifically granted hereunder to Holder is hereby disclaimed by the Company. 

11. Modification of Warrant. This Warrant shall not be modified, supplemented or altered in any respect except with the consent in
writing of the Holder and the Company. 
 12. Notices. All demands, notices and communications relating to this Warrant shall be in
writing and (i) sent by registered or certified mail, postage prepaid, return receipt requested, (ii) hand delivered, (iii) sent by express mail or other reasonable overnight delivery service, or (iv) sent by telecopy, as follows
(or to such other address as to which notice may be given hereunder by the party entitled to receipt of notice): 
  

			
	If to the Company:
	
	Amedica Corporation
	1885 West 2100 South
	Salt Lake City, UT 84119
	Attention:	 	Reyn E. Gallacher
		 	Chief Financial Officer
	Telephone:	 	(801) 839-3502
	Telecopy:	 	(801) 839-3601

 13. Governing Law. This Warrant shall be governed by, and construed in accordance with, the laws of the
State of Delaware, without regard to conflict of law principles. 
 14. Jurisdiction. Each of the Company and the Holder hereby
irrevocably submits to the jurisdiction of any Utah State or Federal court sitting in Salt Lake City in any action or proceeding arising out of or relating to this Warrant, and each of the Company and the Holder hereby irrevocably agrees that all
claims in respect of such action or proceeding may be heard and determined in such Utah State court or in such Federal court. Each of the Company and the 

  
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Holder hereby irrevocably waives, to the fullest extent permitted under applicable law, the defense of an inconvenient forum to the maintenance of such action or proceeding. Each of the Company
and the Holder irrevocably consents, to the fullest extent permitted under applicable law, to the service of any summons and complaint and any other process by the mailing of copies of such process to them at their respective address specified in
Section 12 hereof. Each of the Company and the Holder hereby agrees, to the fullest extent permitted under applicable law, that a final judgment in any such action or proceeding shall be conclusive and may be enforced in other jurisdictions by
suit on the judgment or in any other manner provided by law. 
 15. Waiver of Jury Trial. TO THE FULLEST EXTENT PERMITTED
UNDER APPLICABLE LAW, EACH OF THE COMPANY AND THE HOLDER HEREBY IRREVOCABLY WAIVES ALL RIGHT TO A TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS WARRANT. 

16. Miscellaneous. The headings in this Warrant are for purposes of reference only, and shall not limit or otherwise affect any of the
terms hereof. The invalidity or unenforceability of any provision hereof shall in no way affect the validity or enforceability of any other provision. 

[signature page follows] 

  
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 IN WITNESS WHEREOF, the Company has caused this Warrant to be duly executed as of May 9,
2011. 
  

			
	AMEDICA CORPORATION
		
	By:	 	  

	Name:	 	Reyn E. Gallacher
	Title:	 	Chief Financial Officer

  
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 EXHIBIT A 

EXERCISE FORM 
 (To be signed only
on exercise of Warrant) 
 Amedica Corporation, 
 1885 West
2100 South 
 Salt Lake City, UT 84119 
 The
undersigned hereby irrevocably elects to exercise the right to purchase represented by the within Warrant for, and to purchase thereunder,                  shares of the
stock provided for therein, and requests that certificates for such shares be issued in its name, and, if said number of shares shall not be all the shares purchasable thereunder, that a new Warrant for the balance remaining of the shares be issued
to it. 
 In connection with this exercise, attached please find all documents required to be signed by the undersigned as per the terms of
the Warrant, all duly executed by the undersigned and binding thereupon. 
  

			
	Name of Holder:	 	  

 
			
		
	Signature:	 	  

 
			
		
	Position of Signatory:	 	  

 
			
		
	Date:	 	  

  
 -9-EX-4.17.1

 Exhibit 4.17.1 

CDC-    A 

AMENDMENT TO 
 WARRANT TO
PURCHASE SHARES OF COMMON STOCK OF 
 AMEDICA CORPORATION 

This Amendment to Warrant to Purchase Shares of Common Stock (this “Amendment”) dated as of
December 23, 2013, is made by and between Amedica Corporation, a Delaware corporation (the “Company”), and the undersigned,
                     (the “Warrant Holder”), and it hereby amends that certain Warrant to Purchase Shares of Common Stock of
the Company originally issued as of [August 30/September 19], 2013 (the “Existing Warrant”), in connection with the Company’s offering of up to 100 units wherein each unit consisted of 50,000 shares of the Company’s
Series F Convertible Preferred Stock and one five year warrant to acquire 25,000 shares of the Company’s common stock exercisable at $1.00 per share. 

NOW, THEREFORE, in consideration of the mutual promises contained herein, and the benefits to be derived by each party hereunder, and for
other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company and Warrant Holder, intending to be legally bound, hereby agree to amend the Existing Warrant, as set forth below and hereby agree as
follows: 
 AGREEMENT: 

Section 1. Amendments to Section 4 - Adjustments to Shares and Stated Purchase Price. Section 4 of the Existing
Warrant is hereby amended by renumbering existing Section 4(b) as Section 4(c), and by inserting an additional paragraph immediately following Section 4(a) as follows: 

“(b) If the Company at any time after the date hereof through the Warrant Expiration Date issues or sells any stock or
other security (other than warrants or options to subscribe for or purchase shares of Common Stock or Preferred Stock granted to employees or consultants to the Company or securities issued by the Company in connection with an initial public
offering of Common Stock) that is at any time and under any circumstances, directly or indirectly convertible into, exercisable or exchangeable for, or which otherwise entitles the holder thereof to acquire any shares of Common Stock or Preferred
Stock (the “Convertible Securities”), for a consideration per share less than the Stated Purchase Price then in effect or for which the Convertible Securities have a conversion rate of less than the Stated Purchase Price then in
effect, then the Stated Purchase Price in effect immediately prior to such issuance or sale will be reduced, concurrently with such issue, to the consideration per share received by the Company for such issuance or sale.” 

Section 2. No Further Amendments. Except as expressly amended hereby, the Existing Warrant is in all respects ratified and
confirmed and all the terms, conditions, and provisions thereof shall remain in full force and effect. 

 Section 3. Effect of Amendment. This Amendment shall form a part of the
Existing Warrant for all purposes, and each party thereto and hereto shall be bound hereby. From and after the execution of this Amendment by the parties hereto, any reference to the Existing Warrant shall be deemed a reference to the Existing
Warrant as amended hereby.  
 Section 4. Headings. The descriptive headings contained in this Amendment are
included for convenience of reference only and shall not affect in any way the meaning or interpretation of this Amendment. 

Section 5. Counterparts; Facsimiles. This Amendment may be executed in one or more counterparts, and by the different
parties hereto in separate counterparts, each of which when executed shall be deemed to be an original but all of which taken together shall constitute one and the same agreement. A facsimile or other electronically transmitted signature on this
Amendment is as valid as an original signature. 
 Section 6. Governing Law. This Amendment and the rights and
duties of the parties hereto shall be governed by, and construed and enforced in accordance with, the laws of the State of Delaware.  

IN WITNESS WHEREOF, the Company and Warrant Holder have caused this Amendment to Warrant to Purchase Shares of Common Stock of Amedica
Corporation to be executed and delivered as of the date first written above by their respective officers thereunto duly authorized. 
  

									
	THE COMPANY:	 		 	WARRANT HOLDER:
			
	AMEDICA CORPORATION	 		 	[                                   
                                         
                      ]
					
	By:	 	  
	 		 	By:	 	  

	Name:	 	Eric K. Olson	 		 		 	      Print/Type Name:
	Title:	 	President and CEO	 		 		 	      Print/Type Title:

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