Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
PARDUN THOMAS E
  2. Issuer Name and Ticker or Trading Symbol
CALIX, INC [calx]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O CALIX, INC., 1035 N. MCDOWELL BLVD.
3. Date of Earliest Transaction (Month/Day/Year)
02/22/2011
(Street)

PETALUMA, CA 94952
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 02/22/2011   A   18,786 (1) A $ 0 18,786 D  
Common Stock 02/22/2011   A   4,533 (2) A $ 0 23,319 (3) D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) $ 22.59 02/22/2011   A   121 (4)     (5) 09/21/2015 Common Stock 121 (4) 121 D  
Stock Option (right to buy) $ 22.59 02/22/2011   A   182 (6)     (5) 09/21/2015 Common Stock 182 (6) 303 D  
Stock Option (right to buy) $ 42.6 02/22/2011   A   2,435 (7)     (5) 04/27/2016 Common Stock 2,435 (7) 2,738 D  
Stock Option (right to buy) $ 18.44 02/22/2011   A   10,000     (8) 02/22/2021 Common Stock 10,000 $ 0 12,738 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
PARDUN THOMAS E
C/O CALIX, INC.
1035 N. MCDOWELL BLVD.
PETALUMA, CA 94952
  X      

Signatures

 /s/ Thomas Pardun   02/23/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Pursuant to the Agreement and Plan of Merger and Reorganization (the "Merger Agreement") dated as of September 16, 2010 by and among Calix, Inc., Ocean Sub I, Inc., Ocean Sub II, LLC and Occam Networks, Inc. ("Occam"), the Reporting Person exchanged 64,228 shares of Common Stock of Occam for a cash payment of $246,231 and 18,786 shares of Common Stock of Calix ($3.8337 in cash and 0.2925 shares of Common Stock of Calix for each share of Common Stock of Occam).
(2) Restricted stock units ("RSUs"). The Reporting Person is entitled to receive one (1) share of Common Stock for each one (1) RSU upon vesting. The RSUs shall vest annually over three (3) years such that 1,511 of the RSUs will vest on February 22, 2012, 1,511 of the RSUs will vest on February 22, 2013, and the remaining 1,511 of the RSUs will vest on February 22, 2014.
(3) Includes 4,533 RSUs.
(4) Pursuant to the Merger Agreement, as of the effective time of the merger, options to purchase 250 shares of Common Stock of Occam at an exercise price of $11.00 per share were assumed by Calix and exchanged for this option grant.
(5) 100% of the shares subject to the option are fully vested and exercisable.
(6) Pursuant to the Merger Agreement, as of the effective time of the merger, options to purchase 375 shares of Common Stock of Occam at an exercise price of $11.00 per share were assumed by Calix and exchanged for this option grant.
(7) Pursuant to the Merger Agreement, as of the effective time of the merger, options to purchase 5,000 shares of Common Stock of Occam at an exercise price of $20.75 per share were assumed by Calix and exchanged for this option grant.
(8) One-third of the shares subject to the option will vest and become exercisable one (1) year after February 22, 2011 (the "Vesting Commencement Date"), and 1/36th of the total number of shares will vest and become exercisable in twenty-four (24) successive and equal monthly installments thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the third anniversary of the Vesting Commencement Date.

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