SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person*
Occitan Capital Management Inc.

(Last) (First) (Middle)
WALKER HOUSE, 87 MARY STREET

(Street)
GEORGE TOWN, GRAND CAYMAN E9 KY1-9005

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
12/22/2011
3. Issuer Name and Ticker or Trading Symbol
Alexza Pharmaceuticals Inc. [ ALXA ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) X Other (specify below)
See remarks
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.0001 3,548,208 I See notes (1) (2)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Call Option (right to buy) 12/22/2011 03/16/2012 Common Stock 3,662,000 1 I See notes (1) (2)
Call Option (right to buy) 12/22/2011 06/15/2012 Common Stock 1,000,000 2 I See notes (1) (2)
1. Name and Address of Reporting Person*
Occitan Capital Management Inc.

(Last) (First) (Middle)
WALKER HOUSE, 87 MARY STREET

(Street)
GEORGE TOWN, GRAND CAYMAN E9 KY1-9005

(City) (State) (Zip)
1. Name and Address of Reporting Person*
OCCITAN MASTER FUND L.P.

(Last) (First) (Middle)
WALKER HOUSE, 87 MARY STREET

(Street)
GEORGE TOWN, GRAND CAYMAN E9 KY1-9005

(City) (State) (Zip)
Explanation of Responses:
1. The securities reported herein are directly beneficially owned by Occitan Master Fund L.P. and may be deemed to be indirectly beneficially owned by Occitan Capital Management Inc. as General Partner of Occitan Master Fund L.P.
2. Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
Remarks:
The reporting persons herein may be deemed to be members of a "group" for purposes of the Securities Exchange Act of 1934, as amended. Each reporting person disclaims beneficial ownership of any securities deemed to be owned by the group that are not directly owned by such reporting person. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person. Name: Occitan Master Fund L.P. Address: Walker House, 87 Mary Street, George Town, Grand Cayman, Cayman Islands, KY1-9005 Designated Filer: Occitan Capital Management Inc. Issuer & Ticker: Alexza Pharmaceuticals Inc. [ALXA] Date of Event Requiring Statement: 12/22/2011 Name: Occitan Capital Management Inc. Address: Walker House, 87 Mary Street, George Town, Grand Cayman, Cayman Islands, KY1-9005 Designated Filer: Occitan Capital Management Inc. Issuer & Ticker: Alexza Pharmaceuticals Inc. [ALXA] Date of Event Requiring Statement: 12/22/2011
Occitan Master Fund L.P. By: Occitan Capital Management Inc., /s/ Pearse Griffith, Director 01/20/2012
Occitan Capital Management Inc., /s/ Pearse Griffith, Director 01/20/2012
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
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