META

SEC source: 0001127602-17-032516 · form4.xml · nonDerivative · entry 2

Stretch Colin · CIK 0001580549 · VP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,023

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: Represents the number of shares that were acquired upon conversion of Class B Common Stock to Class A Common Stock in connection with the settlement of the Restricted Stock Units ("RSUs") listed in Table II.

SEC source: 0001127602-17-032513 · form4.xml · derivative · entry 21

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 2,185,575

Underlying: Class A Common Stock · 56,110 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F25 · security: 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.

F25 · derivative.exercise_price: 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.

F25 · derivative.exercise_date: 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.

F25 · derivative.expiration_date: 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.

F1 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation"). The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-17-032513 · form4.xml · nonDerivative · entry 9

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg 2014 GRAT No. 3 Dated 5/8/2014

Disclosed balance after: 670,004

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F14 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.25 to $178.95 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014.

SEC source: 0001127602-17-032513 · form4.xml · nonDerivative · entry 8

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg 2014 GRAT No. 3 Dated 5/8/2014

Disclosed balance after: 678,301

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.24 to $178.225 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014.

SEC source: 0001127602-17-032513 · form4.xml · nonDerivative · entry 7

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg 2014 GRAT No. 2 Dated 5/8/2014

Disclosed balance after: 573,608

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.34 to $178.87 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-17-032513 · form4.xml · nonDerivative · entry 6

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg 2014 GRAT No. 2 Dated 5/8/2014

Disclosed balance after: 580,767

F8 · kind: The sales reported were effected by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014 and Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 3, dated 5/8/2014, as applicable, pursuant to their Rule 10b5-1 trading plans.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.33 to $178.31 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg 2014 GRAT No. 2, dated 5/8/2014.

SEC source: 0001127602-17-032513 · form4.xml · nonDerivative · entry 5

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 433,497

F2 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.33 to $178.92 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-032513 · form4.xml · nonDerivative · entry 4

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 449,692

F2 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.33 to $178.32 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · ownership.nature: Shares held of record by CZI. Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-032513 · form4.xml · nonDerivative · entry 3

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 10,300,000

F2 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.21 to $178.97 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F1 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation"). The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-17-032513 · form4.xml · nonDerivative · entry 2

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 10,333,680

F2 · kind: The sales reported were effected by CZ Foundation and CZI Holdings, LLC ("CZI"), as applicable, pursuant to their Rule 10b5-1 trading plans. These sales are part of Mr. Zuckerberg's previously-announced plan to gift or otherwise direct substantially all of his shares of Facebook stock, or the net after-tax proceeds from sales of such shares, to further the mission of advancing human potential and promoting equality by means of philanthropic, public advocacy, and other activities for the public good.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.21 to $178.20 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F1 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation"). The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-17-032513 · form4.xml · nonDerivative · entry 1

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 10,356,110

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation"). The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-17-032514 · form4.xml · derivative · entry 16

Schroepfer Michael Todd · CIK 0001509441 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The HS Trust U/A/D 9/28/2011

Disclosed balance after: 0

Underlying: Class A Common Stock · 66,256 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F11 · security: 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.

F11 · derivative.exercise_price: 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.

F13 · shares: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.

F11 · derivative.exercise_date: 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.

F11 · derivative.expiration_date: 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.

F2 · ownership.nature: Shares held of record by Michael Schroepfer and Erin Hoffmann, Co-Trustees of The HS Trust U/A/D 9/28/2011.

SEC source: 0001127602-17-032514 · form4.xml · derivative · entry 15

Schroepfer Michael Todd · CIK 0001509441 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The HS Trust U/A/D 9/28/2011

Disclosed balance after: 66,256

Underlying: Class A Common Stock · 66,256 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F11 · security: 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.

F11 · derivative.exercise_price: 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.

F11 · derivative.exercise_date: 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.

F11 · derivative.expiration_date: 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.

F2 · ownership.nature: Shares held of record by Michael Schroepfer and Erin Hoffmann, Co-Trustees of The HS Trust U/A/D 9/28/2011.

SEC source: 0001127602-17-032514 · form4.xml · derivative · entry 14

Schroepfer Michael Todd · CIK 0001509441 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The HS Trust U/A/D 9/28/2011

Disclosed balance after: 861,305

Underlying: Class B Common Stock · 66,256 shares

Expires 2019-08-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F10 · derivative.exercise_date: The option vested as to 1/5th of the total shares on July 15, 2010, after which 1/60th of the total shares vest monthly, subject to continued service through each vesting date. In connection with certain estate planning transfers, the reporting person transferred vested shares underlying the option to Michael Schroepfer and Erin Hoffman, Co-Trustees of The HS Trust U/A/D 9/28/11.

F11 · derivative.underlying: 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.

F12 · ownership.nature: Options held of record by Michael Schroepfer and Erin Hoffmann, Co-Trustees of The HS Trust U/A/D 9/28/2011.

SEC source: 0001127602-17-032514 · form4.xml · nonDerivative · entry 3

Schroepfer Michael Todd · CIK 0001509441 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The HS Trust U/A/D 9/28/2011

Disclosed balance after: 307,339

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.32 to $178.89 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Shares held of record by Michael Schroepfer and Erin Hoffmann, Co-Trustees of The HS Trust U/A/D 9/28/2011.

SEC source: 0001127602-17-032514 · form4.xml · nonDerivative · entry 2

Schroepfer Michael Todd · CIK 0001509441 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The HS Trust U/A/D 9/28/2011

Disclosed balance after: 326,478

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.31 to $178.29 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: Shares held of record by Michael Schroepfer and Erin Hoffmann, Co-Trustees of The HS Trust U/A/D 9/28/2011.

SEC source: 0001127602-17-032514 · form4.xml · nonDerivative · entry 1

Schroepfer Michael Todd · CIK 0001509441 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The HS Trust U/A/D 9/28/2011

Disclosed balance after: 345,382

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the number of shares that were acquired upon the conversion of Class B Common Stock to Class A Common Stock in connection with the exercise of the stock options listed in Table II.

F2 · ownership.nature: Shares held of record by Michael Schroepfer and Erin Hoffmann, Co-Trustees of The HS Trust U/A/D 9/28/2011.

SEC source: 0001127602-17-032516 · form4.xml · nonDerivative · entry 1

Stretch Colin · CIK 0001580549 · VP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,341

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.33 to $178.13 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001127602-17-031540 · form4.xml · derivative · entry 13

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 5,676,058

Underlying: Class A Common Stock · 468,566 shares

Expires not disclosed

F9 · security: 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.

F9 · derivative.exercise_price: 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.

F10 · kind: Shares distributed from CZI to the 2006 Trust. The 2006 Trust is the sole member of CZI.

F9 · derivative.exercise_date: 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.

F9 · derivative.expiration_date: 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.

F6 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0001127602-17-031540 · form4.xml · derivative · entry 12

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 388,888,744

Underlying: Class A Common Stock · 468,566 shares

Expires not disclosed

F9 · security: 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.

F9 · derivative.exercise_price: 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.

F10 · kind: Shares distributed from CZI to the 2006 Trust. The 2006 Trust is the sole member of CZI.

F9 · derivative.exercise_date: 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.

F9 · derivative.expiration_date: 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-031540 · form4.xml · derivative · entry 11

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 389,357,310

Underlying: Class A Common Stock · 11,300,900 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F9 · security: 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.

F9 · derivative.exercise_price: 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.

F9 · derivative.exercise_date: 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.

F9 · derivative.expiration_date: 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.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-031540 · form4.xml · nonDerivative · entry 8

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 468,566

F5 · kind: Shares contributed from the 2006 Trust to CZI. The 2006 Trust is the sole member of CZI.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-031540 · form4.xml · nonDerivative · entry 7

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Mark Zuckerberg, Trustee Of The Mark Zuckerberg Trust Dated July 7, 2006

Disclosed balance after: 0

F5 · kind: Shares contributed from the 2006 Trust to CZI. The 2006 Trust is the sole member of CZI.

F6 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of the 2006 Trust.

SEC source: 0001127602-17-031540 · form4.xml · nonDerivative · entry 6

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Advocacy

Disclosed balance after: 100,100

F4 · ownership.nature: Shares held of record by Chan Zuckerberg Advocacy. The reporting person is deemed to have voting and investment power over the shares held by Chan Zuckerberg Advocacy, but has no pecuniary interest in these shares.

SEC source: 0001127602-17-031540 · form4.xml · nonDerivative · entry 5

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 0

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-031540 · form4.xml · nonDerivative · entry 4

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 100,100

F3 · kind: Represents shares of Class A Common Stock that CZI donated as a gift to Silicon Valley Community Foundation ("SVCF"). Neither CZI nor the reporting person exercises voting or investment control, directly or indirectly, over SVCF or any of its affiliates, or over the donated shares following this transfer. Neither CZI nor the reporting person has any pecuniary interest in any shares held by SVCF.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-031540 · form4.xml · nonDerivative · entry 3

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chan Zuckerberg Foundation

Disclosed balance after: 10,300,000

F2 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee and Settlor of the Chan Zuckerberg Foundation ("CZ Foundation"). The reporting person is deemed to have voting and investment power over the shares held by CZ Foundation, but has no pecuniary interest in these shares.

SEC source: 0001127602-17-031540 · form4.xml · nonDerivative · entry 2

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 1,000,900

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-031540 · form4.xml · nonDerivative · entry 1

Zuckerberg Mark · CIK 0001548760 · Director · COB and CEO · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By CZI Holdings, LLC

Disclosed balance after: 11,300,900

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.nature: Shares held of record by CZI Holdings, LLC ("CZI"). Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006 ("2006 Trust") is the sole member of CZI. Mr. Zuckerberg is the sole trustee of the 2006 Trust and, therefore, is deemed to have sole voting and investment power over the securities held by CZI.

SEC source: 0001127602-17-031791 · form4.xml · nonDerivative · entry 4

Cox Christopher K · CIK 0001607459 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,816

F3 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.77 to $180.69 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001127602-17-031792 · form4.xml · nonDerivative · entry 1

Stretch Colin · CIK 0001580549 · VP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,091

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.05 to $180.60 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 13

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 0

F9 · ownership.nature: The reporting person is one of the Managing Members of AH Capital Management, L.L.C. ("AHCM"), and may be deemed to share voting and investment power over the securities held by AHCM. The reporting person disclaims beneficial ownership over such securities except to the extent of his 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.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 12

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 74

F10 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by AHEP III (Parallel) to its partners without consideration.

F9 · ownership.nature: The reporting person is one of the Managing Members of AH Capital Management, L.L.C. ("AHCM"), and may be deemed to share voting and investment power over the securities held by AHCM. The reporting person disclaims beneficial ownership over such securities except to the extent of his 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.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 11

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By the LAMA Community Trust

Disclosed balance after: 2,227

F10 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by AHEP III (Parallel) to its partners without consideration.

F4 · ownership.nature: The reporting person and his spouse are the trustees of the LAMA Community Trust.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 10

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners III (Parallel), L.L.C.

Disclosed balance after: 0

F10 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by AHEP III (Parallel) to its partners without consideration.

F7 · ownership.nature: The reporting person is one of the Managing Members of AHEP III (Parallel), and may be deemed to share voting and investment power over the securities held by AHEP III (Parallel). The reporting person disclaims beneficial ownership over such securities except to the extent of his 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.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 9

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 36

F8 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by AHEP III to its partners without consideration.

F9 · ownership.nature: The reporting person is one of the Managing Members of AH Capital Management, L.L.C. ("AHCM"), and may be deemed to share voting and investment power over the securities held by AHCM. The reporting person disclaims beneficial ownership over such securities except to the extent of his 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.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 8

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By the LAMA Community Trust

Disclosed balance after: 1,851

F8 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by AHEP III to its partners without consideration.

F4 · ownership.nature: The reporting person and his spouse are the trustees of the LAMA Community Trust.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 7

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners III, L.L.C.

Disclosed balance after: 0

F8 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by AHEP III to its partners without consideration.

F3 · ownership.nature: The reporting person is one of the Managing Members of AHEP III, and may be deemed to share voting and investment power over the securities held by AHEP III. The reporting person disclaims beneficial ownership over such securities except to the extent of his 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.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 6

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners III (Parallel), L.L.C.

Disclosed balance after: 1,700

F5 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by AH Parallel Fund III, L.P., as nominee ("AHPF III") to the general and limited partners or members and assignees of the funds for which it acts as nominee without consideration.

F7 · ownership.nature: The reporting person is one of the Managing Members of AHEP III (Parallel), and may be deemed to share voting and investment power over the securities held by AHEP III (Parallel). The reporting person disclaims beneficial ownership over such securities except to the extent of his 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.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 5

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By the LAMA Community Trust

Disclosed balance after: 1,540

F5 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by AH Parallel Fund III, L.P., as nominee ("AHPF III") to the general and limited partners or members and assignees of the funds for which it acts as nominee without consideration.

F4 · ownership.nature: The reporting person and his spouse are the trustees of the LAMA Community Trust.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 4

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund III, L.P., as Nominee

Disclosed balance after: 0

F5 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by AH Parallel Fund III, L.P., as nominee ("AHPF III") to the general and limited partners or members and assignees of the funds for which it acts as nominee without consideration.

F6 · ownership.nature: The reporting person is one of the Managing Members of AH Equity Partners III (Parallel), L.L.C. ("AHEP III (Parallel)"), which is the General Partner of AHPF III, and may be deemed to share voting and investment power over the securities held by AHPF III. The reporting person disclaims beneficial ownership over such securities except to the extent of his 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.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 3

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By the LAMA Community Trust

Disclosed balance after: 702

F1 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by Andreessen Horowitz Fund III, L.P., as nominee ("AH Fund III") to the general and limited partners or members and assignees of the funds for which it acts as nominee without consideration.

F4 · ownership.nature: The reporting person and his spouse are the trustees of the LAMA Community Trust.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 2

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Equity Partners III, L.L.C.

Disclosed balance after: 1,409

F1 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by Andreessen Horowitz Fund III, L.P., as nominee ("AH Fund III") to the general and limited partners or members and assignees of the funds for which it acts as nominee without consideration.

F3 · ownership.nature: The reporting person is one of the Managing Members of AHEP III, and may be deemed to share voting and investment power over the securities held by AHEP III. The reporting person disclaims beneficial ownership over such securities except to the extent of his 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.

SEC source: 0001127602-17-031407 · form4.xml · nonDerivative · entry 1

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund III, L.P., as Nominee

Disclosed balance after: 103,935

F1 · kind: The shares reported on this form represent pro rata distributions, and not a purchase or sale, of securities by Andreessen Horowitz Fund III, L.P., as nominee ("AH Fund III") to the general and limited partners or members and assignees of the funds for which it acts as nominee without consideration.

F2 · ownership.nature: The reporting person is one of the Managing Members of AH Equity Partners III, L.L.C. ("AHEP III"), which is the General Partner of AH Fund III, and may be deemed to share voting and investment power over the securities held by AH Fund III. The reporting person disclaims beneficial ownership over such securities except to the extent of his 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.

SEC source: 0001127602-17-030866 · form4.xml · nonDerivative · entry 2

Koum Jan · CIK 0001621141 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004

Disclosed balance after: 3,901,833

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.00 to $180.80 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Shares held of record by Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004.

SEC source: 0001127602-17-030867 · form4.xml · nonDerivative · entry 1

Stretch Colin · CIK 0001580549 · VP and General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,841

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.94 to $180.80 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001127602-17-031791 · form4.xml · nonDerivative · entry 3

Cox Christopher K · CIK 0001607459 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Christopher K. Cox 2017 Annuity Trust

Disclosed balance after: 200,000

F2 · ownership.nature: Shares held of record by Christopher K. Cox, Trustee of The Christopher K. Cox 2017 Annuity Trust u/a/d 10/24/2017.

SEC source: 0001127602-17-031791 · form4.xml · nonDerivative · entry 2

Cox Christopher K · CIK 0001607459 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Christopher K. Cox Revocable Trust

Disclosed balance after: 0

F1 · ownership.nature: Shares held of record by Christopher K. Cox, Trustee of the Christopher K. Cox Revocable Trust u/a/d 5/29/2009.

SEC source: 0001127602-17-031791 · form4.xml · nonDerivative · entry 1

Cox Christopher K · CIK 0001607459 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,816

SEC source: 0001127602-17-030866 · form4.xml · nonDerivative · entry 1

Koum Jan · CIK 0001621141 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004

Disclosed balance after: 5,697,278

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.00 to $180.67 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Shares held of record by Jan Koum, Trustee of The Butterfly Trust U/A/D 1/20/2004.