Exhibit 10.12



 Exhibit 10.12 
 THIS WARRANT AND THE SHARES ISSUABLE HEREUNDER HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”) OR IN ACCORDANCE WITH APPLICABLE LAW. 
 WARRANT TO PURCHASE STOCK 
  

			
	Corporation:	  	ALDAGEN, INC., a Delaware corporation
	Number of Shares:	  	            [*]            
	Class of Stock:	  	Series B Preferred Stock
	Initial Exercise Price:	  	$1.00 per share
	Issue Date:	  	            [*]            
	Expiration Date:	  	            [*]            

 [*] On March 21, 2006, the Company issued to Square 1 Bank warrants to purchase 75,000 shares of
Series B Preferred Stock, and such warrants have an expiration date of March 21, 2013. On August 30, 2006, the Company issued to Square 1 Bank warrants to purchase 75,000 shares of Series B Preferred Stock, and such warrants have an expiration date
of August 30, 2013. On December 4, 2006, the Company issued to Square 1 Bank warrants to purchase 45,000 shares of Series B Preferred Stock, and such warrants have an expiration date of December 4, 2013. 
 THIS WARRANT CERTIFIES THAT, for good and valuable
consideration, the receipt of which is hereby acknowledged, SQUARE 1 BANK or its assignee (“Holder”) is entitled to purchase the
number of fully paid and nonassessable shares of the class of securities (the “Shares”) of the corporation (the “Company”) at the initial exercise price per Share (the
“Warrant Price”) all as set forth above and as adjusted pursuant to Article 2 of this warrant, subject to the provisions and upon the terms and conditions set forth in this warrant. 
 ARTICLE 1 
 EXERCISE 
 1.1 Method of Exercise. Holder may exercise this warrant by delivering this warrant and a
duly executed Notice of Exercise in substantially the form attached as Appendix 1 to the principal office of the Company. Unless Holder is exercising the conversion right set forth in Section 1.2, Holder shall also deliver to the Company a
check for the aggregate Warrant Price for the Shares being purchased. 
 1.2 Conversion Right. In lieu of exercising this
warrant as specified in Section 1.1, Holder may from time to time convert this warrant, in whole or in part, into a number of Shares determined by dividing (a) the aggregate fair market value of the Shares or other securities otherwise
issuable upon exercise of this warrant minus the aggregate Warrant Price of such Shares by (b) the fair market value of one Share. The fair market value of the Shares shall be determined pursuant to Section 1.4. 
 1.3 Intentionally Omitted. 
 1.4 Fair Market Value. If the Shares are traded regularly in a public market, the fair market value of the Shares shall be the closing price of the Shares (or the closing price of the
Company’s stock into which the Shares are convertible) reported for the business day immediately before Holder delivers its Notice of Exercise to the Company. If the Shares are not regularly traded in a public market, the Board of Directors of
the Company shall determine fair market value in its reasonable good faith judgment. 
 1.5 Delivery of Certificate and New
Warrant. Promptly after Holder exercises or converts this warrant, the Company shall deliver to Holder certificates for the Shares acquired and, if this warrant has not been fully exercised or converted and has not expired, a new warrant
representing the Shares not so acquired. 
 1.6 Replacement of Warrants. On receipt of evidence reasonably satisfactory
to the Company of the loss, theft, destruction or mutilation of this warrant and, in the case of loss, theft or destruction, on delivery of an indemnity agreement reasonably satisfactory in form and amount to the Company or, in the case of
mutilation, on surrender and cancellation of this warrant, the Company at its expense shall execute and deliver, in lieu of this warrant, a new warrant of like tenor. 
  

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 1.7 Repurchase on Sale, Merger, or Consolidation of the Company. 
 1.7.1 “Acquisition.” For the purpose of this warrant, “Acquisition” means (a) any sale,
license, or other disposition of all or substantially all of the assets (including intellectual property) of the Company, or (b) any reorganization, consolidation, merger or sale of the voting securities of the Company or any other transaction
where the holders of the Company’s securities before the transaction beneficially own less than 50% of the outstanding voting securities of the surviving entity after the transaction. 
 1.7.2 Assumption of Warrant. If upon the closing of any Acquisition the successor entity assumes the obligations of this warrant,
then this warrant shall be exercisable for the same securities, cash, and property as would be payable for the Shares issuable upon exercise of the unexercised portion of this warrant as if such Shares were outstanding on the record date for the
Acquisition and subsequent closing. The Warrant Price shall be adjusted accordingly. The Company shall use reasonable efforts to cause the surviving corporation to assume the obligations of this warrant. 
 1.7.3 Nonassumption. If upon the closing of any Acquisition the successor entity does not assume the obligations of this warrant and
Holder has not otherwise exercised this warrant in full, then Holder shall have the option either to (a) deem this warrant to have been automatically converted pursuant to Section 1.2 and thereafter Holder shall participate in the
Acquisition on the same terms as other holders of the same class of securities of the Company; or (b) require the Company to purchase this warrant for cash upon the closing of the Acquisition for an amount per Share equal to one (1) times
the Warrant Price. 
 ARTICLE 2 
 ADJUSTMENTS TO THE SHARES 
 2.1 Stock Dividends, Splits, Etc. If the
Company declares or pays a dividend on its common stock payable in common stock, or other securities, or subdivides the outstanding common stock into a greater amount of common stock, then upon exercise of this warrant, for each Share acquired,
Holder shall receive, without cost to Holder, the total number and kind of securities to which Holder would have been entitled had Holder owned the Shares of record as of the date the dividend or subdivision occurred. 
 2.2 Reclassification, Exchange or Substitution. Upon any reclassification, exchange, substitution, or other event that results in a
change of the number and/or class of the securities issuable upon exercise or conversion of this warrant, Holder shall be entitled to receive, upon exercise or conversion of this warrant, the number and kind of securities and property that Holder
would have received for the Shares if this warrant had been exercised immediately before such reclassification, exchange, substitution, or other event. Such an event shall include any automatic conversion of the outstanding or issuable securities of
the Company of the same class or series as the Shares to common stock pursuant to the terms of the Company’s Certificate of Incorporation upon the closing of a registered public offering of the Company’s common stock. The Company or its
successor shall promptly issue to Holder a new warrant for such new securities or other property. The new warrant shall provide for adjustments which shall be as nearly equivalent as may be practicable to the adjustments provided for in this Article
2 including, without limitation, adjustments to the Warrant Price and to the number of securities or property issuable upon exercise of the new warrant. The provisions of this Section 2.2 shall similarly apply to successive reclassifications,
exchanges, substitutions, or other events. 
 2.3 Adjustments for Combinations, Etc. If the outstanding Shares are
combined or consolidated, by reclassification or otherwise, into a lesser number of shares, the Warrant Price shall be proportionately increased. If the outstanding Shares are combined or consolidated, by reclassification or otherwise, into a
greater number of shares, the Warrant Price shall be proportionately decreased. 
 2.4 Adjustments for Diluting
Issuances. In the event of the issuance (a “Diluting Issuance”) by the Company after the Issue Date of securities at a price per share less than the Warrant Price, then the number of shares of common stock issuable upon conversion of
the Shares shall be adjusted in accordance with those provisions of the Company’s Certificate of Incorporation that apply to Diluting Issuances. 
  

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 2.5 Certificate as to Adjustments. Upon each adjustment of the Warrant Price, the
Company at its expense shall promptly compute such adjustment, and furnish Holder with a certificate of its Chief Financial Officer setting forth such adjustment and the facts upon which such adjustment is based. The Company shall, upon written
request, furnish Holder a certificate setting forth the Warrant Price in effect upon the date thereof and the series of adjustments leading to such Warrant Price. 
 2.6 Fractional Shares. No fractional Shares shall be issuable upon exercise or conversion of the Warrant and the Number of Shares to be issued shall be rounded down to the nearest whole Share. If a
fractional share interest arises upon any exercise or conversion of the Warrant, the Company shall eliminate such fractional share interest by paying Holder amount computed by multiplying the fractional interest by the fair market value of a full
Share. 
 ARTICLE 3 
 REPRESENTATIONS AND COVENANTS OF THE COMPANY 
 3.1 Representations and
Warranties. The Company hereby represents and warrants to the Holder as follows: 
 (a) The initial Warrant Price referenced
on the first page of this warrant is not greater than the lowest price at which the Company has sold its Series B Preferred Stock. 
 (b) All Shares which may be issued upon the exercise of the purchase right represented by this warrant, and all securities, if any, issuable upon conversion of the Shares, shall, upon issuance, be duly authorized, validly issued, fully paid
and nonassessable, and free of any liens and encumbrances except for restrictions on transfer provided for herein or under applicable federal and state securities laws. 
 (c) The Company’s capitalization table attached to this warrant is true and complete as of the Issue Date. 
 3.2 Notice of Certain Events. The Company shall provide Holder with not less than 10 days prior written notice, including a description of the material facts surrounding, any of the following
events: (a) declaration of any dividend or distribution upon its common stock, whether in cash, property, stock, or other securities and whether or not a regular cash dividend; (b) offering for subscription pro rata to the holders of any
class or series of its stock any additional shares of stock of any class or series or other rights; (c) effecting any reclassification or recapitalization of common stock; or (d) the merger or consolidation with or into any other
corporation, or sale, lease, license, or conveyance of all or substantially all of its assets, or liquidation, dissolution or winding up. 
 3.3 Information Rights. So long as the Holder holds this warrant and/or any of the Shares, the Company shall deliver to the Holder (a) promptly after mailing, copies of all communiques to the
shareholders of the Company, (b) within ninety (90) days after the end of each fiscal year of the Company, the annual audited financial statements of the Company certified by independent public accountants of recognized standing and
(c) if requested by Holder, within forty-five (45) days after the end of each of the first three quarters of each fiscal year, the Company’s quarterly, unaudited financial statements. 
 3.4 Registration Under Securities Act of 1933, as amended. The Company agrees that, solely with respect to Section 2.3 of that
certain Amended and Restated Investor Rights Agreement among the Company and other persons dated as of March 4, 2003, as may be amended from time to time, the Shares or, if the Shares are convertible into common stock of the Company, such
common stock, shall be “Registrable Securities”, and Holder shall be a “Holder”. 
  

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 ARTICLE 4 
 REPRESENTATIONS OF THE HOLDER 
 4.1 Representations
and Warranties. The Holder hereby represents and warrants to the Company as follows: 
 (a) This warrant and the
Shares issuable upon exercise thereof are being acquired for its own account, for investment and not with a view to, or for resale in connection with, any distribution or public offering thereof within the meaning of the Act. 
 (b) The Holder understands that this warrant and the Shares have not been registered under the Act by reason of their issuance in a
transaction exempt from the registration and prospectus delivery requirements of the Act pursuant to Section 4(2) thereof, and that they must be held by the Holder indefinitely, and that the Holder must therefore bear the economic risk of such
investment indefinitely, unless a disposition thereof is registered under the Act or is otherwise exempted from such registration. 
 (c) The Holder has such knowledge and experience in financial and business matters that it is capable of evaluating the merits and risks of acquiring and holding this warrant and the Shares and of protecting its interests in
connection therewith. 
 (d) The Holder is able to bear the economic risk of acquiring the Shares pursuant to the terms
of this Warrant. 
 ARTICLE 5 
 MISCELLANEOUS 
 5.1 Term: Exercise Upon Expiration. This warrant is
exercisable in whole or in part, at any time and from time to time on or before the Expiration Date set forth above. If this warrant has not been exercised prior to the Expiration Date, this warrant shall be deemed to have been automatically
exercised on the Expiration Date by “cashless” conversion pursuant to Section 1.2. 
 5.2 Legends.
This warrant and the Shares (and the securities issuable, directly or indirectly, upon conversion of the Shares, if any) shall be imprinted with a legend in substantially the following form: 
 THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO
AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”) OR IN ACCORDANCE WITH APPLICABLE LAW. 
 5.3 Compliance with Securities Laws on Transfer. This warrant and the Shares issuable upon exercise of this warrant (and the securities issuable, directly or indirectly, upon conversion of
the Shares, if any) may not be transferred or assigned in whole or in part without compliance with applicable federal and state securities laws by the transferor and the transferee. The Company shall not require Holder to provide an opinion of
counsel if the transfer is to an affiliate of Holder or if there is no material question as to the availability of current information as referenced in Rule 144(c), Holder represents that it has complied with Rule 144 (d) and (e) in
reasonable detail, the selling broker represents that it has compiled with Rule 144(f), and the Company is provided with a copy of Holder’s notice of proposed sale. 
 5.4 Transfer Procedure. Subject to the provisions of Section 4.3, Holder may transfer all or part of this warrant or the Shares issuable upon exercise of this warrant (or the securities
issuable, directly or indirectly, upon conversion of the Shares, if any) by giving the Company notice of the portion of the warrant being transferred setting forth the name, address and taxpayer identification number of the transferee and
surrendering this warrant to the Company for reissuance to the transferee(s) (and Holder, if applicable). No surrender or reissuance shall be required if the transfer is to an affiliate of Holder. 
  

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 5.5 Notices. All notices and other communications from the Company to the Holder, or
vice versa, shall be deemed delivered and effective when given personally or mailed by first-class registered or certified mail, postage prepaid, at such address as may have been furnished to the Company or the Holder, as the case may be, in writing
by the Company or such Holder from time to time. All notices to the Holder shall be addressed as follows: 
 Square 1 Bank

 Attn: Warrant Administrator 
 406 Blackwell Street, Suite 240 
 Crowe Building 
 Durham, NC 27701 
 5.6 Amendments. This warrant and any term hereof may be changed, waived, discharged or terminated only by an instrument in writing signed by the party against which enforcement of such change, waiver, discharge or termination is
sought. 
 5.7 Attorneys’ Fees. In the event of any dispute between the parties concerning the terms and provisions
of this warrant, the party prevailing in such dispute shall be entitled to collect from the other party all costs incurred in such dispute, including reasonable attorneys’ fees. 
 5.8 Governing Law. This warrant shall be governed by and construed in accordance with the laws of the State of North Carolina,
without giving effect to its principles regarding conflicts of law. 
  

			
	ALDAGEN, INC.
		
	By:	 	 /s/ Edward L. Field

	Name:	 	Edward L. Field
	Title:	 	President


  

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 APPENDIX 1 
 NOTICE OF EXERCISE 
 1. The undersigned hereby
elects to purchase                      shares of the
                     stock of ALDAGEN, INC. pursuant to the terms of the attached warrant, and tenders herewith payment of the purchase
price of such shares in full. 
 2. The undersigned hereby elects to convert the attached warrant into shares in the
manner specified in the warrant. This conversion is exercised with respect                      to of the shares covered by the warrant.

 [Strike paragraph that does not apply.] 
 3. Please issue a certificate or certificates representing said shares in the name of the undersigned or in such other name as is specified below: 
 Square 1 Bank 
 Attn: Warrant Administrator 
 406 Blackwell Street, Suite 240 
 Crowe Building 
 Durham, NC 27701 
 4. The undersigned represents it is acquiring the shares solely for its own account and not
as a nominee for any other party and not with a view toward the resale or distribution thereof except in compliance with applicable securities laws. 
  

	
	SQUARE 1 BANK or Registered Assignee
	
	  

	(Signature)
	
	 [DATE]

	(Date)