Document:

EX-4.1

 Exhibit 4.1 
  

 
 CUSIP/IDENTIFIER XXXXXX XX X Holder ID XXXXXXXXXX Warner Bros. Discovery, Inc. Insurance Value 1,000,000.00 Number of Shares 123456 DTC
12345678 123456789012345 PO BOX 43004, Providence, RI 02940-3004 Certificate Numbers Num/No. Denom. Total MR A SAMPLE 1234567890/1234567890 1 1 1 DESIGNATION (IF ANY) 1234567890/1234567890 2 2 2 ADD 1 ADD 2 1234567890/1234567890 3 3 3
1234567890/1234567890 4 4 4 ADD 3 ADD 4 1234567890/1234567890 5 5 5 1234567890/1234567890 6 6 6 Total Transaction 7 ZQ|CERT#|COY|CLS|RGSTRY|ACCT#|TRANSTYPE|RUN#|TRANS# SERIES A COMMON STOCK SERIES A COMMON STOCK PAR VALUE $0.01 Certificate Shares
Number * * 000000 * * * 000000 ZQ00000000 **** 000000 WARNER BROS. DISCOVERY, INC. ***** 000000 ****** 000000 INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE ** Mr. Alexander David Sample **** Mr. Alexander David Sample ****
Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample SEE REVERSE FOR CERTAIN DEFINITIONS **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David
Sample **** Mr. Alexander David Sample **** Mr. Alexander David THIS CERTIFIES THAT Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample
**** Mr. Alexander David Sample **** Mr MR . Alexander.David SAMPLE Sample **** Mr. Alexander David &Sample MRS **** Mr. Alexander . SAMPLE David Sample **** Mr. Alexander & David    Sample
**** Mr. CUSIP 934423 10 4 Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample ****
Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David
Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander MR David Sample . SAMPLE **** Mr. Alexander David Sample **** &Mr . Alexander MRS David Sample . SAMPLE **** Mr. Alexander David
Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample ****
Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David
Sample **** Mr. Alexander David Sample **** Mr. Sample **** Mr. Sample is the owner of **000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares***
*000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****
000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****0 THIS CERTIFICATE IS TRANSFERABLE IN
00000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****00 ***ZERO HUNDRED THOUSAND
0000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000 CITIES DESIGNATED BY THE TRANSFER
000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****0000 AGENT, AVAILABLE ONLINE AT
00**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****00000
0**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000 ZERO HUNDRED AND ZERO*** www.computershare.com
**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000*
*Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**
Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**S FULLY-PAID AND NON-ASSESSABLE SHARES OF THE SERIES A COMMON
STOCK OF THE PAR VALUE OF $0.01 EACH, OF Warner Bros. Discovery, Inc. transferable on the books of the Corporation by the holder hereof, in person or by duly authorized attorney, upon surrender of this Certificate properly endorsed. This Certificate
is not valid until countersigned and registered by the Transfer Agent and Registrar. Witness the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. DATED DD-MMM-YYYY S. DIS RO C COUNTERSIGNED AND REGISTERED: PO O B OR RA V COMPUTERSHARE TRUST COMPANY, N.A. President and Chief Executive Officer C TE E E R R TRANSFER AGENT AND REGISTRAR, N Y , R N I A W . C
April 28, 2008 DEL RE AWA Corporate Secretary By AUTHORIZED SIGNATURE 

 

 
 . WARNER BROS. DISCOVERY, INC. The following abbreviations, when used in the inscription on the face of this certificate, shall be
construed as though they were written out in full according to applicable laws or regulations: TEN COM—as tenants in common                UNIF GIFT MIN ACT- . . . . . . . . . . Custodian . . . . . . . . . . . . . . . (Cust) (Minor) TEN ENT —as tenants by the
entireties                under Uniform Gifts to Minors Act . . . . . . . . . . . . . (State) JT TEN    —as joint tenants with right of
survivorship    UNIF^TRF MIN ACT . . . . . . . . . . . . . . . Custodian (until age. . . ). . . . . . . . . . .                and not as tenants in
common                (Cust)                (Minor)
                under Uniform Transfers to Minors Act. . . . . . . . .
..                (State)                 Additional abbreviations may also be used though
not in the above list. 
  
  
 PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE 
For value received, hereby sell, assign and transfer unto 
(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING POSTAL ZIP CODE, OF ASSIGNEE) 
Shares of
the Series A Common Stock represented by the within Certificate, and do hereby irrevocably constitute and appoint 
Attorney to transfer the said stock on the books
of the within-named Corporation with full power of substitution in the premises. 
Dated: 
20 
Signature: 
Signature: 
Notice: The signature to this assignment must correspond with the name 
as written upon the face of the certificate, in every particular, 
without alteration or
enlargement, or any change whatever. 
Signature(s) Guaranteed: Medallion Guarantee Stamp THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION
(Banks, Stockbrokers, Savings and Loan Associations and Credit Unions) WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15. The IRS requires that the named
transfer agent (“we”) report the cost basis of certain shares or units acquired after January 1, 2011. If your shares or units are covered by the legislation, and you requested to sell or transfer the shares or units using a specific
cost basis calculation method, then we have processed as you requested. If you did not specify a cost basis calculation method, then we have defaulted to the first in, first out (FIFO) method. Please consult your tax advisor if you need additional
information about cost basis. If you do not keep in contact with the issuer or do not have any activity in your account for the time period specified by state law, your property may become subject to state unclaimed property laws and transferred to
the appropriate state.​

Exhibit 4.3
DESCRIPTION OF SECURITIES
When used herein, the terms “we,” “our,” and “us” refer to Checkpoint Therapeutics, Inc.
DESCRIPTION OF CAPITAL STOCK
The following description summarizes the material terms of Checkpoint capital stock. Because it is only a summary, it does not contain all the information that may be important to you. For a complete description of our capital stock, you should refer to our certificate of incorporation, our bylaws and to the provisions of applicable Delaware law.
Common Stock
Our common stock is traded on The Nasdaq Capital Market, or the Exchange, under the symbol “CKPT.”
The authorized capital stock of Checkpoint consists of 135,000,000 shares of common stock, of which 7,000,000 shares have been designated as Class A common stock. The description of our Class A Common Stock in this item is for information purposes only. All of the Class A common stock has been issued to Fortress. Class A common stock is identical to common stock other than as to voting rights, the election of directors for a definite period, and conversion rights. On any matter presented to our stockholders for their action or consideration at any meeting of our stockholders (or by written consent of stockholders in lieu of meeting), each holder of outstanding shares of Class A common stock will be entitled to cast for each share of Class A common stock held by such holder as of the record date for determining stockholders entitled to vote on such matter, the number of votes that is equal to one and one-tenth (1.1) times a fraction, the numerator of which is the sum of the shares of outstanding common stock and the denominator of which is the number of shares of outstanding Class A common stock. Thus, the Class A common stock will at all times constitute a voting majority. For a period of ten (10) years from the date of the first issuance of shares of Class A common stock expiring in 2025 (the “Class A Director Period”), the holders of record of the shares of Class A common stock (or other capital stock or securities issued upon conversion of or in exchange for the Class A common stock), exclusively and as a separate class, will be entitled to appoint or elect the majority of the directors of Checkpoint (the “Class A Directors”). Finally, each share of Class A common stock is convertible, at the option of the holder, into one fully paid and nonassessable share of common stock (the “Conversion Ratio”), subject to certain adjustments.
If Checkpoint at any time effects a subdivision of the outstanding common stock (or other capital stock or securities at the time issuable upon conversion of the Class A common stock) by any stock split, stock dividend, recapitalization or otherwise, the applicable Conversion Ratio in effect immediately before that subdivision will be proportionately decreased so that the number of shares of common stock (or other capital stock or securities at the time issuable upon conversion of the Class A common stock) issuable on conversion of each share of Class A common stock will be increased in proportion to such increase in the aggregate number of shares of common stock (or other capital stock or securities at the time issuable upon conversion of the Class A common stock) outstanding. If Checkpoint at any time combines the outstanding shares of common stock, the applicable Conversion Ratio in effect immediately before the combination will be proportionately increased so that the number of shares of common stock (or other capital stock or securities at the time issuable upon conversion of the Class A common stock) issuable on conversion of each share of Class A common stock will be decreased in proportion to such decrease in the aggregate number of shares of common stock (or other capital stock or securities at the time issuable upon conversion of the Class A common stock) outstanding. Additionally, if any reorganization, recapitalization, reclassification, consolidation or merger involving Checkpoint occurs in which the common stock (but not the Class A common stock) is converted into or exchanged for securities, cash or other property (other than a transaction involving the subdivision or combination of the common stock), then, following any such reorganization, recapitalization, reclassification, consolidation or merger, each share of Class A common stock becomes convertible into the kind and amount of securities, cash or other property which such Class A Stockholder would have been entitled to receive had he or she converted the Class A Shares immediately before said transaction. In such case, appropriate adjustment (as determined in good faith by the Board of Directors of Checkpoint) will be made in the application of the provisions of Checkpoint’s Amended and Restated Certificate of Incorporation relating the subdivision or combination of the common stock with respect to the rights and interests thereafter of the holders of the Class A common stock, such that the provisions set forth in of Checkpoint’s Amended and Restated Certificate of Incorporation relating to the subdivision or combination of the common stock (including the provisions with respect to changes in and other 
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adjustments of the applicable Conversion Ratio) will thereafter be applicable, as nearly as reasonably may be, in relation to any securities or other property thereafter deliverable upon the conversion of the Class A common stock. Checkpoint is not authorized to issue preferred stock.
Dividends
The holders of outstanding shares of our common stock, including Class A common stock, are entitled to receive dividends out of funds legally available at the times and in the amounts that our board of directors may determine. All dividends are non-cumulative.
Voting Rights
The holders of our common stock are entitled to one vote for each share of common stock held on all matters submitted to a vote of the stockholders, including the election of directors, except as to the Class A Directors during the Class A Director Period. Our certificate of incorporation and bylaws do not provide for cumulative voting rights.
Liquidation and Dissolution
Upon our liquidation, dissolution, or winding-up, the assets legally available for distribution to our stockholders would be distributable ratably among the holders of our common stock, including Class A common stock, outstanding at that time after payment of other claims of creditors, if any.
Other
The holders of our common stock have no preemptive, conversion, or subscription rights, and there are no redemption or sinking fund provisions applicable to our common stock.
All of the outstanding shares of our common stock, including Class A common stock, are duly issued, fully paid and non-assessable.
DESCRIPTION OF WARRANTS
We may issue warrants to purchase shares of our common stock in one or more series together with other securities or separately, as described in each applicable prospectus supplement.
The prospectus supplement relating to any warrants we offer will include specific terms relating to the offering. These terms will include some or all of the following:
		·
	the title of the warrants;

		·
	the aggregate number of warrants offered;

		·
	the designation, number and terms of the shares of common stock purchasable upon exercise of the warrants and procedures by which those numbers may be adjusted;

		·
	the exercise price of the warrants;

		·
	the dates or periods during which the warrants are exercisable;

		·
	the designation and terms of any securities with which the warrants are issued;

		·
	if the warrants are issued as a unit with another security, the date on and after which the warrants and the other security will be separately transferable;

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	if the exercise price is not payable in U.S. dollars, the foreign currency, currency unit or composite currency in which the exercise price is denominated;

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	any minimum or maximum amount of warrants that may be exercised at any one time;

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	any terms relating to the modification of the warrants;

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	any terms, procedures and limitations relating to the transferability, exchange or exercise of the warrants; and

		·
	any other specific terms of the warrants.

DESCRIPTION OF DEBT SECURITIES
We may offer debt securities which may be senior, subordinated or junior subordinated and may be convertible. Unless otherwise specified in the applicable prospectus supplement, our debt securities will be issued in one or more series under an indenture to be entered into between us and a trustee. We will issue the debt securities offered by any applicable prospectus supplement under an indenture to be entered into between us and the trustee identified in the applicable prospectus supplement. The terms of the debt securities will include those stated in the indenture and those made part of the indenture by reference to the Trust Indenture Act of 1939, as in effect on the date of the indenture. The indenture will be subject to and governed by the terms of the Trust Indenture Act of 1939.
The following description briefly sets forth certain general terms and provisions of the debt securities that we may offer. The particular terms of the debt securities offered by any prospectus supplement and the extent, if any, to which these general provisions may apply to the debt securities, will be described in the related prospectus supplement. Accordingly, for a description of the terms of a particular issue of debt securities, reference must be made to both the related prospectus supplement and to the following description.
The aggregate principal amount of debt securities that may be issued under the indenture is unlimited. The debt securities may be issued in one or more series as may be authorized from time to time pursuant to a supplemental indenture entered into between us and the trustee or an order delivered by us to the trustee. For each series of debt securities we offer, a prospectus supplement will describe the following terms and conditions of the series of debt securities that we are offering, to the extent applicable:
		·
	title and aggregate principal amount;

		·
	whether the debt securities will be senior, subordinated or junior subordinated;

		·
	applicable subordination provisions, if any;

		·
	provisions regarding whether the debt securities will be convertible or exchangeable into other securities or property of the Company or any other person;

		·
	percentage or percentages of principal amount at which the debt securities will be issued;

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	maturity date(s);

		·
	interest rate(s) or the method for determining the interest rate(s);

		·
	whether interest on the debt securities will be payable in cash or additional debt securities of the same series;

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	dates on which interest will accrue or the method for determining dates on which interest will accrue and dates on which interest will be payable;

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		·
	whether the amount of payment of principal of, premium, if any, or interest on the debt securities may be determined with reference to an index, formula or other method;

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	redemption, repurchase or early repayment provisions, including our obligation or right to redeem, purchase or repay debt securities under a sinking fund, amortization or analogous provision;

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	if other than the debt securities’ principal amount, the portion of the principal amount of the debt securities that will be payable upon declaration of acceleration of the maturity;

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	authorized denominations;

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	form;

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	amount of discount or premium, if any, with which the debt securities will be issued, including whether the debt securities will be issued as “original issue discount” securities;

		·
	the place or places where the principal of, premium, if any, and interest on the debt securities will be payable;

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	where the debt securities may be presented for registration of transfer, exchange or conversion;

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	the place or places where notices and demands to or upon the Company in respect of the debt securities may be made;

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	whether the debt securities will be issued in whole or in part in the form of one or more global securities;

		·
	if the debt securities will be issued in whole or in part in the form of a book-entry security, the depository or its nominee with respect to the debt securities and the circumstances under which the book-entry security may be registered for transfer or exchange or authenticated and delivered in the name of a person other than the depository or its nominee;

		·
	whether a temporary security is to be issued with respect to such series and whether any interest payable prior to the issuance of definitive securities of the series will be credited to the account of the persons entitled thereto;

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	the terms upon which beneficial interests in a temporary global security may be exchanged in whole or in part for beneficial interests in a definitive global security or for individual definitive securities;

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	the guarantors, if any, of the debt securities, and the extent of the guarantees and any additions or changes to permit or facilitate guarantees of such debt securities;

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	any covenants applicable to the particular debt securities being issued;

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	any defaults and events of default applicable to the debt securities, including the remedies available in connection therewith;

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	currency, currencies or currency units in which the purchase price for, the principal of and any premium and any interest on, such debt securities will be payable;

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	time period within which, the manner in which and the terms and conditions upon which the Company or the purchaser of the debt securities can select the payment currency;

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	securities exchange(s) on which the debt securities will be listed, if any;

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		·
	whether any underwriter(s) will act as market maker(s) for the debt securities;

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	extent to which a secondary market for the debt securities is expected to develop;

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	provisions relating to defeasance;

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	provisions relating to satisfaction and discharge of the indenture;

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	any restrictions or conditions on the transferability of the debt securities;

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	provisions relating to the modification of the indenture both with and without the consent of holders of debt securities issued under the indenture;

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	any addition or change in the provisions related to compensation and reimbursement of the trustee;

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	provisions, if any, granting special rights to holders upon the occurrence of specified events;

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	whether the debt securities will be secured or unsecured, and, if secured, the terms upon which the debt securities will be secured and any other additions or changes relating to such security; and

		·
	any other terms of the debt securities that are not inconsistent with the provisions of the Trust Indenture Act (but may modify, amend, supplement or delete any of the terms of the indenture with respect to such series of debt securities).

General
One or more series of debt securities may be sold as “original issue discount” securities. These debt securities would be sold at a substantial discount below their stated principal amount, bearing no interest or interest at a rate which at the time of issuance is below market rates. One or more series of debt securities may be variable rate debt securities that may be exchanged for fixed rate debt securities.
United States federal income tax consequences and special considerations, if any, applicable to any such series will be described in the applicable prospectus supplement.
Debt securities may be issued where the amount of principal and/or interest payable is determined by reference to one or more currency exchange rates, commodity prices, equity indices or other factors. Holders of such debt securities may receive a principal amount or a payment of interest that is greater than or less than the amount of principal or interest otherwise payable on such dates, depending upon the value of the applicable currencies, commodities, equity indices or other factors. Information as to the methods for determining the amount of principal or interest, if any, payable on any date, the currencies, commodities, equity indices or other factors to which the amount payable on such date is linked and certain additional United States federal income tax considerations will be set forth in the applicable prospectus supplement.
The term “debt securities” includes debt securities denominated in U.S. dollars or, if specified in the applicable prospectus supplement, in any other freely transferable currency or units based on or relating to foreign currencies.
We expect most debt securities to be issued in fully registered form without coupons and in denominations of $2,000 and any integral multiples thereof. Subject to the limitations provided in the indenture and in the prospectus supplement, debt securities that are issued in registered form may be transferred or exchanged at the principal corporate trust office of the trustee, without the payment of any service charge, other than any tax or other governmental charge payable in connection therewith.
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Global Securities
The debt securities of a series may be issued in whole or in part in the form of one or more global securities that will be deposited with, or on behalf of, a depositary identified in the prospectus supplement. Global securities will be issued in registered form and in either temporary or definitive form. Unless and until it is exchanged in whole or in part for the individual debt securities, a global security may not be transferred except as a whole by the depositary for such global security to a nominee of such depositary or by a nominee of such depositary to such depositary or another nominee of such depositary or by such depositary or any such nominee to a successor of such depositary or a nominee of such successor. The specific terms of the depositary arrangement with respect to any debt securities of a series and the rights of and limitations upon owners of beneficial interests in a global security will be described in the applicable prospectus supplement.
Governing Law
The indenture and the debt securities shall be construed in accordance with and governed by the laws of the State of New York.
DESCRIPTION OF UNITS
We may issue, in one more series, units comprised of shares of our common stock, warrants to purchase common stock, debt securities or any combination of those securities. Each unit will be issued so that the holder of the unit is also the holder of each security included in the unit. Thus, the holder of a unit will have the rights and obligations of a holder of each included security. The unit agreement under which a unit is issued may provide that the securities included in the unit may not be held or transferred separately, at any time or at any time before a specified date.
We may evidence units by unit certificates that we issue under a separate agreement. We may issue the units under a unit agreement between us and one or more unit agents. If we elect to enter into a unit agreement with a unit agent, the unit agent will act solely as our agent in connection with the units and will not assume any obligation or relationship of agency or trust for or with any registered holders of units or beneficial owners of units. We will indicate the name and address and other information regarding the unit agent in the applicable prospectus supplement relating to a particular series of units if we elect to use a unit agent.
We will describe in the applicable prospectus supplement the terms of the series of units being offered, including:
		·
	the designation and terms of the units and of the securities comprising the units, including whether and under what circumstances those securities may be held or transferred separately;

		·
	any provisions of the governing unit agreement that differ from those described herein; and

		·
	any provisions for the issuance, payment, settlement, transfer or exchange of the units or of the securities comprising the units.

The other provisions regarding our common stock, warrants and debt securities as described in this section will apply to each unit to the extent such unit consists of shares of our common stock, warrants and/or debt securities.

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