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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

ACCEL IX LP
2. Issuer Name and Ticker or Trading Symbol

Facebook Inc [ FB ]
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)

C/O ACCEL PARTNERS, 428 UNIVERSITY AVENUE
3. Date of Earliest Transaction (MM/DD/YYYY)

5/22/2012
(Street)

PALO ALTO, CA 94301
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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
Class A Common Stock   5/22/2012     C    10844263   A $0.00   10844263   I   By James W. Breyer as Trustee of James W. Breyer 2005 Trust dated March 25, 2005   (1)
Class A Common Stock   5/22/2012     S    3375545   D $37.58   7468718   I   By James W. Breyer as Trustee of James W. Breyer 2005 Trust dated March 25, 2005   (1)
Class A Common Stock   5/22/2012     C    704263   A $0.00   704263   I   By James W. Breyer as Trustee of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011   (2)
Class A Common Stock   5/22/2012     C    149527730   A $0.00   149527730   I   By Accel IX L.P.   (3)
Class A Common Stock   5/22/2012     S    43216317   D $37.58   106311413   I   By Accel IX L.P.   (3)
Class A Common Stock   5/22/2012     C    15931653   A $0.00   15931653   I   By Accel IX Strategic Partners L.P.   (4)
Class A Common Stock   5/22/2012     S    4604228   D $37.58   11327425   I   By Accel IX Strategic Partners L.P.   (4)
Class A Common Stock   5/22/2012     C    13939214   A $0.00   13939214   I   By Accel Investors 2005 L.L.C.   (5)
Class A Common Stock   5/22/2012     S    4028678   D $37.58   9910536   I   By Accel Investors 2005 L.L.C.   (5)
Class A Common Stock   5/22/2012     C    2422564   A $0.00   2422564   I   By Accel Growth Fund L.P.   (6)
Class A Common Stock   5/22/2012     S    2422564   D $37.58   0   I   By Accel Growth Fund L.P.   (6)
Class A Common Stock   5/22/2012     C    47291   A $0.00   47291   I   By Accel Growth Fund Strategic Partners L.P.   (7)
Class A Common Stock   5/22/2012     S    47291   D $37.58   0   I   By Accel Growth Fund Strategic Partners L.P.   (7)
Class A Common Stock   5/22/2012     C    32278   A $0.00   32278   I   By Accel Growth Fund Investors 2009 L.L.C.   (8)
Class A Common Stock   5/22/2012     S    32278   D $37.58   0   I   By Accel Growth Fund Investors 2009 L.L.C.   (8)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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 Convertible Preferred Stock   (9)   (9) 5/22/2012     C         10161282      (9)   (9) Class B Common Stock   (10) 10211171   $0.00   0   I   By James W. Breyer as Trustee of James W. Breyer 2005 Trust dated March 25, 2005   (1)
Class B Common Stock   (10)   (10) 5/22/2012     C      10211171         (10)   (10) Class A Common Stock   10211171   $0.00   10350315   I   By James W. Breyer as Trustee of James W. Breyer 2005 Trust dated March 25, 2005   (1)
Series C Convertible Preferred Stock   (11)   (11) 5/22/2012     C         630000      (11)   (11) Class B Common Stock   (10) 633092   $0.00   0   I   By James W. Breyer as Trustee of James W. Breyer 2005 Trust dated March 25, 2005   (1)
Class B Common Stock   (10)   (10) 5/22/2012     C      633092         (10)   (10) Class A Common Stock   633092   $0.00   10983407   I   By James W. Breyer as Trustee of James W. Breyer 2005 Trust dated March 25, 2005   (1)
Class B Common Stock   (10)   (10) 5/22/2012     C         10844263      (10)   (10) Class A Common Stock   (12) 108442643   $0.00   139144   I   By James W. Breyer as Trustee of James W. Breyer 2005 Trust dated March 25, 2005   (1)
Series B Convertible Preferred Stock   (9)   (9) 5/22/2012     C         630823      (9)   (9) Class B Common Stock   (10) 633920   $0.00   0   I   By James W. Breyer as Trustee of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011   (2)
Class B Common Stock   (10)   (10) 5/22/2012     C      633920         (10)   (10) Class A Common Stock   633920   $0.00   649381   I   By James W. Breyer as Trustee of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011   (2)
Series C Convertible Preferred Stock   (11)   (11) 5/22/2012     C         70000      (11)   (11) Class B Common Stock   (10) 70343   $0.00   0   I   By James W. Breyer as Trustee of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011   (2)
Class B Common Stock   (10)   (10) 5/22/2012     C      70343         (10)   (10) Class A Common Stock   70343   $0.00   719724   I   By James W. Breyer as Trustee of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011   (2)
Class B Common Stock   (10)   (10) 5/22/2012     C         704263      (10)   (10) Class A Common Stock   (12) 704263   $0.00   15461   I   By James W. Breyer as Trustee of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011   (2)
Series B Convertible Preferred Stock   (9)   (9) 5/22/2012     C         139733902      (9)   (9) Class B Common Stock   (10) 140419959   $0.00   0   I   By Accel IX L.P.   (3)
Class B Common Stock   (10)   (10) 5/22/2012     C      140419959         (10)   (10) Class A Common Stock   140419959   $0.00   140419959   I   By Accel IX L.P.   (3)
Series C Convertible Preferred Stock   (11)   (11) 5/22/2012     C         9063280      (11)   (11) Class B Common Stock   (10) 9107771   $0.00   0   I   By Accel IX L.P.   (3)
Class B Common Stock   (10)   (10) 5/22/2012     C      9107771         (10)   (10) Class A Common Stock   9107771   $0.00   149527730   I   By Accel IX L.P.   (3)
Class B Common Stock   (10)   (10) 5/22/2012     C         149527730      (10)   (10) Class A Common Stock   (12) 149527730   $0.00   0   I   By Accel IX L.P.   (3)
Series B Convertible Preferred Stock   (9)   (9) 5/22/2012     C         14888296      (9)   (9) Class B Common Stock   (10) 14961394   $0.00   0   I   By Accel IX Strategic Partners L.P.   (4)
Class B Common Stock   (10)   (10) 5/22/2012     C      14961394         (10)   (10) Class A Common Stock   14961394   $0.00   14961394   I   By Accel IX Strategic Partners L.P.   (4)
Series C Convertible Preferred Stock   (11)   (11) 5/22/2012     C         965520      (11)   (11) Class B Common Stock   (10) 970259   $0.00   0   I   By Accel IX Strategic Partners L.P.   (4)
Class B Common Stock   (10)   (10) 5/22/2012     C      970259         (10)   (10) Class A Common Stock   970259   $0.00   15931653   I   By Accel IX Strategic Partners L.P.   (4)
Class B Common Stock   (10)   (10) 5/22/2012     C         15931653      (10)   (10) Class A Common Stock   (12) 15931653   $0.00   0   I   By Accel IX Strategic Partners L.P.   (4)
Series B Convertible Preferred Stock   (9)   (9) 5/22/2012     C         13026232      (9)   (9) Class B Common Stock   (10) 13090187   $0.00   0   I   By Accel Investors 2005 L.L.C.   (5)
Class B Common Stock   (10)   (10) 5/22/2012     C      13090187         (10)   (10) Class A Common Stock   13090187   $0.00   13090187   I   By Accel Investors 2005 L.L.C.   (5)
Series C Convertible Preferred Stock   (11)   (11) 5/22/2012     C         844880      (11)   (11) Class B Common Stock   (10) 849027   $0.00   0   I   By Accel Investors 2005 L.L.C.   (5)
Class B Common Stock   (10)   (10) 5/22/2012     C      849027         (10)   (10) Class A Common Stock   849027   $0.00   13939214   I   By Accel Investors 2005 L.L.C.   (5)
Class B Common Stock   (10)   (10) 5/22/2012     C         13939214      (10)   (10) Class A Common Stock   (12) 13939214   $0.00   0   I   By Accel Investors 2005 L.L.C.   (5)
Class B Common Stock   (10)   (10) 5/22/2012     C         2422564      (10)   (10) Class A Common Stock   (13) 2422564   $0.00   7527256   I   By Accel Growth Fund L.P.   (6)
Class B Common Stock   (10)   (10) 5/22/2012     C         47291      (10)   (10) Class A Common Stock   (13) 47291   $0.00   146939   I   By Accel Growth Fund Strategic Partners L.P.   (7)
Class B Common Stock   (10)   (10) 5/22/2012     C         32278      (10)   (10) Class A Common Stock   (13) 32278   $0.00   100292   I   By Accel Growth Fund Investors 2009 L.L.C.   (8)

Explanation of Responses:
(1)  James W. Breyer, a Director of the issuer, is trustee of the James W. Breyer 2005 Trust dated March 25, 2005.
(2)  James W. Breyer, a Director of the issuer, is Trustee the of James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011.
(3)  Accel IX Associates L.L.C. ("A9A"), which is the General Partner of Accel IX L.P. ("Accel IX"), has sole voting and investment power over the securities held by Accel IX. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel IX. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. The inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(4)  A9A, which is the General Partner of Accel IX Strategic Partners L.P. ("Accel SP"), has sole voting and investment power over the securities held by Accel SP. A9A disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Arthur C. Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of A9A and may be deemed to share voting and investment power over the shares held of record by Accel SP. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. The inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(5)  Each of Kevin Efrusy, Ping Li, Arthur Patterson, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of Accel Investors 2005 L.L.C. ("Accel 2005"), and may be deemed to share voting and investment power over the securities held by Accel 2005. Each of such individuals disclaims beneficial ownership over such securities except to the extent of his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(6)  Accel Growth Fund Associates L.L.C ("AGFA"), which is the General Partner of Accel Growth Fund L.P. ("Accel Growth"), has sole voting and investment power over the securities held by Accel Growth. AGFA disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a managing member of AGFA and may be deemed to share voting and investment power over the shares held of record by Accel Growth. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. The inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(7)  AGFA, which is the General Partner of Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), has sole voting and investment power over the securities held by Accel Growth SP. AGFA disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein. In addition, each of Kevin Efrusy, Ping Li, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of AGFA and may be deemed to share voting and investment power over the shares held of record by Accel Growth SP. Each of such individuals disclaims beneficial ownership of such securities except to the extent of his or her pecuniary interest therein. The inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(8)  Each of Kevin Efrusy, Ping Li, Theresia Gouw Ranzetta and James W. Breyer, who is a Director of the issuer, is a Managing Member of Accel Growth Fund Investors 2009 L.L.C. ("Accel Growth 2009"), and may be deemed to share voting and investment power over the securities held by Accel Growth 2009. Each of such individuals disclaims beneficial ownership over such securities except to the extent of his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
(9)  Each share of the issuer's Series B Convertible Preferred Stock automatically converted into 1.00491 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.
(10)  The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares and has no expiration date.
(11)  Each share of the issuer's Series C Convertible Preferred Stock automatically converted into 1.004909 shares of the issuer's Class B Common Stock on May 22, 2012 in connection with the closing of the issuer's sale of its Class A Common Stock in its firm commitment initial public offering pursuant to a registration statement on Form S-1 (File No. 333-179287) under the Securities Act of 1933, as amended, and had no expiration date.
(12)  The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.
(13)  The shares of Class B Common Stock automatically converted into Class A Common Stock on a 1-for-1 basis in connection with the transfer of such shares.

Remarks:
This report is the same as the Form 4 filed by Accel IX L.P. of identical date and together comprise a single Form 4. Combined the reports report the holdings for the following reporting persons: Accel Growth Fund Investors 2009 L.L.C., Accel Growth Fund Associates L.L.C., Accel Growth Fund L.P., Accel Growth Fund Strategic Partners L.P., Accel IX Associates L.L.C., Accel IX L.P., Accel IX Strategic Partners L.P., Accel Investors 2005 L.L.C., James W. Breyer, Trustee of James W. Breyer 2005 Trust dated March 25, 2005, James W. Breyer, Trustee, James W. Breyer 2011 Annuity Trust 1, dated March 10, 2011, James W. Breyer, Ping Li, Kevin J. Efrusy, Theresia Gouw Ranzetta and Arthur C. Patterson.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
ACCEL IX LP
C/O ACCEL PARTNERS
428 UNIVERSITY AVENUE
PALO ALTO, CA 94301

X

Accel Growth Fund Associates L.L.C.
C/O ACCEL PARTNERS
428 UNIVERSITY AVENUE
PALO ALTO, CA 94301

X

Accel Growth Fund Investors 2009 L.L.C.
C/O ACCEL PARTNERS
428 UNIVERSITY AVENUE
PALO ALTO, CA 94301

X

Accel Growth Fund L.P.
C/O ACCEL PARTNERS
428 UNIVERSITY AVENUE
PALO ALTO, CA 94301

X

Accel Growth Fund Strategic Partners L.P.
C/O ACCEL PARTNERS
428 UNIVERSITY AVENUE
PALO ALTO, CA 94301

X

Accel Investors 2005 L.L.C.
C/O ACCEL PARTNERS
428 UNIVERSITY AVENUE
PALO ALTO, CA 94301

X

Accel IX Associates L.L.C.
C/O ACCEL PARTNERS
428 UNIVERSITY AVENUE
PALO ALTO, CA 94301

X

ACCEL IX STRATEGIC PARTNERS LP
C/O ACCEL PARTNERS
428 UNIVERSITY AVENUE
PALO ALTO, CA 94301

X

BREYER JAMES
C/O ACCEL PARTNERS
428 UNIVERSITY AVENUE
PALO ALTO, CA 94301
X X

Li Ping
C/O ACCEL PARTNERS
428 UNIVERSITY AVENUE
PALO ALTO, CA 94301

X


Signatures
Tracy L. Sedlock as attorney-in-fact for James W. Breyer as a Managing Member of Accel IX Associates L.L.C., the General Partner of Accel IX L.P. 5/22/2012
** Signature of Reporting Person Date

Tracy L. Sedlock as attorney-in-fact for James W. Breyer as a Managing Member of Accel Growth Fund Associates L.L.C. 5/22/2012
** Signature of Reporting Person Date

Tracy L. Sedlock as attorney-in-fact for James W. Breyer as a Managing Member of Accel Growth Fund Investors 2009 L.L.C. 5/22/2012
** Signature of Reporting Person Date

Tracy L. Sedlock as attorney-in-fact for James W. Breyer as a Managing Member of Accel Growth Fund Associates L.L.C., the General Partner of Accel Growth Fund L.P. 5/22/2012
** Signature of Reporting Person Date

Tracy L. Sedlock as attorney-in-fact for James W. Breyer as a Managing Member of Accel Growth Fund Associates L.L.C., the General Partner of Accel Growth Fund Strategic Partners L.P. 5/22/2012
** Signature of Reporting Person Date

Tracy L. Sedlock as attorney-in-fact for James W. Breyer as a Managing Member of Accel Investors 2005 L.L.C. 5/22/2012
** Signature of Reporting Person Date

Tracy L. Sedlock as attorney-in-fact for James W. Breyer as a Managing Member of Accel IX Associates L.L.C. 5/22/2012
** Signature of Reporting Person Date

Tracy L. Sedlock as attorney-in-fact for James W. Breyer as a Managing Member of Accel IX Associates L.L.C., the General Partner of Accel IX Strategic Partners L.P. 5/22/2012
** Signature of Reporting Person Date

Tracy L. Sedlock as attorney-in-fact for James W. Breyer 5/22/2012
** Signature of Reporting Person Date

Tracy L. Sedlock as attorney-in-fact for Ping Li 5/22/2012
** 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 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 control number.