EX-4.1



 Exhibit 4.1 
  






 
 ZQ|CERT#|COY|CLS|RGSTRY|ACCT#|TRANSTYPE|RUN#|TRANS# COMMON STOCK PAR VALUE $0.001 Certificate Number ZQ00000000
THIS CERTIFIES THAT is the owner of IMMUNE DESIGN IMMUNE DESIGN CORP. 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 **** 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. MR. Alexander David SAMPLE Sample **** Mr. Alexander David &Sample MRS. **** Mr. Alexander SAMPLE 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 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
**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 
****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares 
****000000**Shares****000000**Shares****00 ***ZERO HUNDREDTHOUSAND 0000**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**Shares****000000**Shares 
****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares 
****000000 ZERO HUNDRED AND ZERO*****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 COMMON STOCK OF Immune Design Corp. (hereinafter called the
“Company”), transferable on the books of the Company in person or by duly authorized attorney, upon surrender of this Certificate properly endorsed. This Certificate and the shares represented hereby, are issued and shall be held subject
to all of the provisions of the Certificate of Incorporation, as amended, and the By-Laws, as amended, of the Company (copies of which are on file with the Company and with the Transfer Agent), to all of which each holder, by acceptance hereof,
assents. This Certificate is not valid unless countersigned and registered by the Transfer Agent and Registrar. Witness the facsimile seal of the Company and the facsimile signatures of its duly authorized officers. Chief Executive Officer VP
Finance & Administration DATED DD-MMM-YYYY COUNTERSIGNED AND REGISTERED: COMPUTERSHARE TRUST COMPANY, N.A. TRANSFER AGENT AND REGISTRAR, By AUTHORIZED SIGNATURE COMMON STOCK THIS CERTIFICATE IS TRANSFERABLE IN CANTON, MA, JERSEY CITY, NJ AND
COLLEGE STATION, TX CUSIP 45252L 10 3 SEE REVERSE FOR CERTAIN DEFINITIONS Shares * * 000000 ****************** * * * 000000 ***************** **** 000000 **************** ***** 000000 *************** ****** 000000 ************** 1234567 IMMUNE
DESIGN PO BOX 43004, Providence, RI 02940-3004 MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD 4 CUSIP Holder ID Insurance Value Number of Shares DTC Certificate Numbers 1234567890/1234567890 1234567890/1234567890 1234567890/1234567890
1234567890/1234567890 1234567890/1234567890 1234567890/1234567890 Total Transaction XXXXXX XX X XXXXXXXXXX 1,000,000.00 123456 12345678 123456789012345 Num/No. Denom. Total 1 1 1 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 







 



 
 The IRS requires that we report the cost basis of certain shares acquired after January 1, 2011. If your shares were covered by the
legislation and you have sold or transferred the shares and requested a specific cost basis calculation method, we have processed as requested. If you did not specify a cost basis calculation method, we have defaulted to the first in, first out
(FIFO) method. Please visit our website or consult your tax advisor if you need additional information about cost basis. If you do not keep in contact with us or do not have any activity in your account for the time periods specified by state law,
your property could become subject to state unclaimed property laws and transferred to the appropriate state. For value received, hereby sell, assign and transfer unto Shares Attorney 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. PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE (PLEASE PRINT
OR TYPEWRITE NAME AND ADDRESS, INCLUDING POSTAL ZIP CODE, OF ASSIGNEE) of the common stock represented by the within Certificate, and do hereby irrevocably constitute and appoint to transfer the said stock on the books of the within-named Company
with full power of substitution in the premises. . IMMUNE DESIGN CORP. THE COMPANY WILL FURNISH WITHOUT CHARGE TO EACH SHAREHOLDER WHO SO REQUESTS, A SUMMARY OF THE POWERS, DESIGNATIONS, PREFERENCES AND RELATIVE, PARTICIPATING, OPTIONAL OR OTHER
SPECIAL RIGHTS OF EACH CLASS OF STOCK OF THE COMPANY AND THE QUALIFICATIONS, LIMITATIONS OR RESTRICTIONS OF SUCH PREFERENCES AND RIGHTS, AND THE VARIATIONS IN RIGHTS, PREFERENCES AND LIMITATIONS DETERMINED FOR EACH SERIES, WHICH ARE FIXED BY THE
CERTIFICATE OF INCORPORATION OF THE COMPANY, AS AMENDED, AND THE RESOLUTIONS OF THE BOARD OF DIRECTORS OF THE COMPANY, AND THE AUTHORITY OF THE BOARD OF DIRECTORS TO DETERMINE VARIATIONS FOR FUTURE SERIES. SUCH REQUEST MAY BE MADE TO THE OFFICE OF
THE SECRETARY OF THE COMPANY OR TO THE TRANSFER AGENT. THE BOARD OF DIRECTORS MAY REQUIRE THE OWNER OF A LOST OR DESTROYED STOCK CERTIFICATE, OR HIS LEGAL REPRESENTATIVES, TO GIVE THE COMPANY A BOND TO INDEMNIFY IT AND ITS TRANSFER AGENTS AND
REGISTRARS AGAINST ANY CLAIM THAT MAY BE MADE AGAINST THEM ON ACCOUNT OF THE ALLEGED LOSS OR DESTRUCTION OF ANY SUCH CERTIFICATE. 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 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) .............................under Uniform Transfers to Minors Act
.................... (Minor) (State) Additional abbreviations may also be used though not in the above list. SECURI TY I NSTRUCTI ONS TH S I S WATERMARKED PAPER, DO NOT ACCEPT W THOUT NOTI NG WATERMARK. HOLD TO LI GHT TO VERI FY WATERMARK. 1234567