EX-4.2



 Exhibit 4.2 
  





 
 MANNKIND CORPORATION 
THE CORPORATION WILL FURNISH
TO ANY STOCKHOLDER UPON REQUEST AND WITHOUT CHARGE A FULL STATEMENT OF THE POWERS, DESIGNATIONS, PREFERENCES AND RELATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH AUTHORIZED CLASS OF STOCK OR SERIES THEREOF AND THE QUALIFICATIONS,
LIMITATIONS OR RESTRICTIONS OF SUCH PREFERENCES AND/OR RIGHTS, TO THE EXTENT THAT THE SAME HAVE BEEN FIXED, AND OF THE AUTHORITY OF THE BOARD OF DIRECTIONS TO DESIGNATE THE SAME WITH RESPECT TO ANY SHARES. SUCH REQUEST MAY BE MADE TO THE CORPORATION
OR TO ITS TRANSFER AGENT. 
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 
TEN ENT - as tenants by the entireties 
JT TEN - as joint tenants with right of survivorship
and not as tenants in common 
UNIF GIFT MIN ACT - (Cust) under Uniform Gifts to Minors Act 
UNIF TRF MIN ACT - (Cust) (Minor) 
Custodian (Minor) (State) Custodian (until age) 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 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(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.

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. 
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. 
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 ZQ|CERT#|COY|CLS|RGSTRY|ACCT#|TRANSTYPE|RUN#|TRANS# 
COMMON STOCK 
PAR VALUE $0.01 
COMMON STOCK 
THIS CERTIFICATE IS TRANSFERABLE IN CANTON, MA, JERSEY CITY, NJ AND COLLEGE
STATION, TX 
MannKind Corporation 
Certificate 
Number 
ZQ00000000 
MANNKIND CORPORATION 
INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE 
Shares 
* * 000000 * * * * * * * * * * * * * * * * * * 
* * * 000000 * * * * * * * * * * * * * * * * * 
* * * * 000000 * * * * * * * * * * * * * * * *

* * * * * 000000 * * * * * * * * * * * * * * * 
* * * * * * 000000 * * * * * *
* * * * * * * * 
THIS CERTIFIES THAT 
MR. SAMPLE & MRS. 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 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 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 David Sample **** Mr. Alexander David Sample **** Mr. Sample **** Mr. Sample 
MR. SAMPLE & MRS. SAMPLE 
is the owner of 
CUSIP 56400P 70 6 
SEE REVERSE FOR CERTAIN DEFINITIONS 
*** ZERO HUNDRED THOUSAND

**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

00000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares**** 
000000**Shares****000000**Shares****00

0000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares**** 
000000**Shares****000000**Shares****000

000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares**** 
000000**Shares****000000**Shares****0000

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

**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 
ZERO HUNDRED AND ZERO*** 
FULLY-PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK, PAR VALUE $0.01 PER SHARE, OF 
MANNKIND CORPORATION 
Transferable on the books of the Corporation in person or by duly
authorized attorney upon surrender of this Certificate properly endorsed. This Certificate is not valid unless duly countersigned by the Transfer Agent and registered by the Registrar. 
In WITNESS WHEREOF, the said Corporation has caused this 
Certificate to be signed in facsimile
by its duly authorized officers and the facsimile corporate seal to be duly affixed hereto. 
CEO, CFO and Director 
MANNKIND CORPORATION CORPORATE 
SEAL 
DELAWARE 
DATED
DD-MMM-YYYY 
COUNTERSIGNED AND REGISTERED: COMPUTERSHARE INC. TRANSFER AGENT AND
REGISTRAR, 
Secretary 
SECURITY INSTRUCTIONS ON REVERSE 
By 
AUTHORIZED SIGNATURE 
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 
Total 
1 
2 
3

4 
5 
6 
7

Num/No. Denom. 
1 
2 
3 
4

5 
6 
1 
2 
3

4 
5 
6 
MannKind Corporation 
PO BOX 43004, Providence, RI 02940-3004 
MR A SAMPLE 
DESIGNATION (IF ANY) ADD 1 
ADD 2 
ADD 3 
ADD 4 
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Printed by DATA BUSINESS FORMS