Sec Form 4 Filing - EVNIN LUKE @ KALOBIOS PHARMACEUTICALS INC - 2013-02-05

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 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

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person EVNIN LUKE 2. Issuer Name and Ticker or Trading Symbol KALOBIOS PHARMACEUTICALS INC [ KBIO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) THE JOHN HANCOCK TOWER, 200 CLARENDON STREET, 54TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 02/05/2013 (Street) BOSTON, MA02116 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 02/05/2013 C 1,949,879 ( 1 ) A 1,949,879 I See Footnote ( 1 ) Common Stock 02/05/2013 C 369,522 ( 3 ) A 2,319,401 I See Footnote ( 4 ) Common Stock 02/05/2013 C 313,527 ( 5 ) A 2,632,928 I See Footnote ( 6 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Series B-2 Preferred Stock ( 2 ) 02/05/2013 C 1,949,879 ( 7 ) ( 8 ) Common Stock 1,949,879 ( 1 ) $ 0 0 I See Footnote ( 9 ) Series C Preferred Stock ( 2 ) 02/05/2013 C 337,622 ( 7 ) ( 8 ) Common Stock 369,522 ( 3 ) $ 0 0 I See Footnote ( 10 ) Series D Preferred Stock ( 2 ) 02/05/2013 C 275,539 ( 7 ) ( 8 ) Common Stock 313,527 ( 5 ) $ 0 0 I See Footnote ( 11 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other EVNIN LUKE THE JOHN HANCOCK TOWER 200 CLARENDON STREET, 54TH FLOOR BOSTON, MA02116 X GADICKE ANSBERT THE JOHN HANCOCK TOWER 200 CLARENDON STREET, 54TH FLOOR BOSTON, MA02116 X GALAKATOS NICHOLAS THE JOHN HANCOCK TOWER 200 CLARENDON STREET, 54TH FLOOR BOSTON, MA02116 X SIMON NICHOLAS J III THE JOHN HANCOCK TOWER 200 CLARENDON STREET, 54TH FLOOR BOSTON, MA02116 X STEINMETZ MICHAEL THE JOHN HANCOCK TOWER 200 CLARENDON STREET, 54TH FLOOR BOSTON, MA02116 X WHEELER KURT THE JOHN HANCOCK TOWER 200 CLARENDON STREET, 54TH FLOOR BOSTON, MA02116 X Signatures /s/ Luke Evnin 02/07/2013 Signature of Reporting Person Date Ansbert Gadicke 02/07/2013 Signature of Reporting Person Date Nicholas Galakatos 02/07/2013 Signature of Reporting Person Date Nicholas Simon III 02/07/2013 Signature of Reporting Person Date Michael Steinmetz 02/07/2013 Signature of Reporting Person Date Kurt Wheeler 02/07/2013 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The shares are held as follows: 1,430,310 by MPM BioVentures III-QP, L.P. ("BV III QP"), 96,176 by MPM BioVentures III, L.P. ("BV III"), 25,335 by MPM Asset Management Investors 2005 BVIII LLC ("AM 2005"), 43,206 by MPM BioVentures III Parallel Fund, L.P. ("BV Parallel"), 120,867 by MPM BioVentures III GmbH & Co. Beteiligungs KG ("BV KG") and 233,985 by MPM BioVentures Strategic Fund, L.P. ("BV SF"). MPM BioVentures III GP, L.P. ("MPM III GP") and MPM BioVentures III LLC ("MPM III LLC") are the direct and indirect general partners of BV III QP, BV III, BV Parallel, BV KG and BV SF. Luke Evnin, Ansbert Gadicke, Nicholas Galakatos, Dennis Henner, Nicholas Simon III, Michael Steinmetz and Kurt Wheeler are the Series A members of MPM III LLC and the managers of AM 2005. Each reporting person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein. ( 2 )On January 15, 2013, the Issuer effected a 1-for-3.56147 reverse split of its issued and outstanding capital stock. Immediately prior to the closing of the Issuer's initial public offering, each share of Series B-2 Preferred Stock automatically converted into one share of Common Stock, each share of Series C Preferred Stock automatically converted into 1.09449 shares of Common Stock and each share of Series D Preferred Stock automatically converted into 1.13787 shares of Common Stock. ( 3 )The shares are held as follows: 271,061 by BV III QP, 18,225 by BV III, 4,800 by AM 2005, 8,188 by BV Parallel, 22,905 by BV KG and 44,343 by BV SF. Each reporting person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein. ( 4 )The shares are held as follows: 1,701,371 by BV III QP, 114,401 by BV III, 30,135 by AM 2005, 51,394 by BV Parallel, 143,772 by BV KG and 278,328 by BV SF. Each reporting person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein. ( 5 )The shares are held as follows: 229,986 by BV III QP, 15,464 by BV III, 4,074 by AM 2005, 6,946 by BV Parallel, 19,435 by BV KG and 37,622 by BV SF. Each reporting person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein. ( 6 )The shares are held as follows: 1,931,357 by BV III QP, 129,865 by BV III, 34,209 by AM 2005, 58,340 by BV Parallel, 163,207 by BV KG and 315,950 by BV SF. Each reporting person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein. ( 7 )Immediately. ( 8 )Not applicable. ( 9 )The shares of Series B-2 Preferred Stock were held as follows: 1,430,310 by BV III QP, 96,176 by BV III, 25,335 by AM 2005, 43,206 by BV Parallel, 120,867 by BV KG and 233,985 by BV SF. ( 10 )The shares of Series C Preferred Stock were held as follows: 247,660 by BV III QP, 16,652 by BV III, 4,386 by AM 2005, 7,481 by BV Parallel, 20,928 by BV KG and 40,515 by BV SF. ( 11 )The shares of Series D Preferred Stock were held as follows: 202,120 by BV III QP, 13,590 by BV III, 3,580 by AM 2005, 6,105 by BV Parallel, 17,080 by BV KG and 33,064 by BV SF.

Remarks: See Form 4 for MPM BioVentures III-QP, L.P. filed simultaneously herewith for additional members of this joint filing.

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 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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.