NUMBER

EX-4.1 4 a2101294zex-4_1.htm EXHIBIT 4.1

NUMBER	NEKTAR ™	SHARES
NT	NEKTAR THERAPEUTICS
		CUSIP 640268 10 8
		SEE REVERSE FOR CERTAIN RESTRICTIONS

INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE

THIS CERTIFIES THAT

is the owner of

FULLY PAID AND NONASSESSABLE SHARES OF COMMON STOCK, $0.0001 PAR VALUE PER SHARE OF

NEKTAR THERAPEUTICS

transferable only 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 by the Transfer Agent and Registrar.

WITNESS the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers.

Dated:

	NEKTAR THERAPEUTICS CORPORATE SEAL
ASSISTANT SECRETARY	JUNE 3, 1998 DELAWARE	PRESIDENT AND CHIEF EXECUTIVE OFFICER

COUNTERSIGNED AND REGISTERED:

MELLON INVESTOR SERVICES LLC

TRANSFER AGENT AND REGISTRAR

AUTHORIZED SIGNATURE

NEKTAR THERAPEUTICS

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
TEN ENT	– as tenants by the entireties		(Cust)			(Minor)
JT TEN	– as joint tenants with right of survivorship and not as tenants in common		under Uniform Gifts to Minors
			Act
				(State)

		UNIF TRF MIN ACT–			Custodian (until age		)
			(Cust)

					under Uniform Transfers
			(Minor)

			to Minors Act
					(State)

Additional abbreviations may also be used though not in the above list.

For value received, _____________________________________ hereby sell(s), assign(s) and transfer(s) unto

PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE



PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE(S)

		Shares
of the Common Stock represented by the within Certificate, and do(es) hereby irrevocably constitute and appoint

		Attorney
to transfer the said Shares on the books of the within named Corporation with full power of substitution in the premises.

Dated

	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 must be guaranteed.

Signature( s) Guaranteed:

By
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.