META

SEC source: 0001181431-12-047423 · rrd354440.xml · nonDerivative · entry 2

Moskovitz Dustin A. · CIK 0001549917 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By trust

Disclosed balance after: 6,750,000

F3 · price: The range of prices for the shares of Class A common stock is from $19.37 to $19.73. Mr. Moskovitz undertakes that he will provide, upon request by the staff of the U.S.Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

F1 · ownership.nature: Shares held of record by Dustin Moskovitz, Trustee of The Dustin A. Moskovitz Trust dated December 27, 2005.

SEC source: 0001181431-12-047423 · rrd354440.xml · nonDerivative · entry 1

Moskovitz Dustin A. · CIK 0001549917 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By trust

Disclosed balance after: 6,900,000

F2 · price: The range of prices for the shares of Class A common stock is from $19.00 to $19.52. Mr. Moskovitz undertakes that he will provide, upon request by the staff of the U.S.Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

F1 · ownership.nature: Shares held of record by Dustin Moskovitz, Trustee of The Dustin A. Moskovitz Trust dated December 27, 2005.

SEC source: 0001181431-12-046843 · rrd344419.xml · nonDerivative · entry 4

Moskovitz Dustin A. · CIK 0001549917 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By trust

Disclosed balance after: 7,050,000

F5 · price: The range of prices for the shares of Class A common stock is from $19.09 to $19.95. Mr. Moskovitz undertakes that he will provide, upon request by the staff of the U.S.Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

F2 · ownership.nature: Shares held of record by Dustin Moskovitz, Trustee of The Dustin A. Moskovitz Trust dated December 27, 2005.

SEC source: 0001181431-12-046843 · rrd344419.xml · nonDerivative · entry 3

Moskovitz Dustin A. · CIK 0001549917 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By trust

Disclosed balance after: 7,200,000

F4 · price: The range of prices for the shares of Class A common stock is from $18.79 to $20.03. Mr. Moskovitz undertakes that he will provide, upon request by the staff of the U.S.Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

F2 · ownership.nature: Shares held of record by Dustin Moskovitz, Trustee of The Dustin A. Moskovitz Trust dated December 27, 2005.

SEC source: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 25

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lembas, LLC

Disclosed balance after: 2,548,050

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.02 to $20.07 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 (12).

F9 · ownership.nature: The reporting person is the Manager and a Member of Lembas, LLC ("Lembas"), and has sole voting and investment power over the securities held by Lembas. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 24

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lembas, LLC

Disclosed balance after: 2,548,960

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.02 to $20.01 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 (11).

F9 · ownership.nature: The reporting person is the Manager and a Member of Lembas, LLC ("Lembas"), and has sole voting and investment power over the securities held by Lembas. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 23

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Rivendell One LLC

Disclosed balance after: 2,144,066

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.02 to $20.07 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 (12).

F8 · ownership.nature: The reporting person is the beneficial owner of Rivendell One LLC ("Rivendell"), and has sole voting and investment power over the securities held by Rivendell.

SEC source: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 22

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Rivendell One LLC

Disclosed balance after: 2,196,245

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.02 to $20.01 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 (11).

F8 · ownership.nature: The reporting person is the beneficial owner of Rivendell One LLC ("Rivendell"), and has sole voting and investment power over the securities held by Rivendell.

SEC source: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 21

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Entrepreneurs Fund, LP

Disclosed balance after: 11,200

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.02 to $20.07 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 (12).

F7 · ownership.nature: The reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Entrepreneurs Fund, LP ("FFEF"), and may be deemed to share voting and investment power over the securities held by FFEF. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 20

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Entrepreneurs Fund, LP

Disclosed balance after: 11,238

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.02 to $20.01 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 (11).

F7 · ownership.nature: The reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Entrepreneurs Fund, LP ("FFEF"), and may be deemed to share voting and investment power over the securities held by FFEF. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 19

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Principals Fund, LP

Disclosed balance after: 18,320

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.02 to $20.07 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 (12).

F6 · ownership.nature: The reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Principals Fund, LP ("FFPF"), and may be deemed to share voting and investment power over the securities held by FFPF. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 18

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II Principals Fund, LP

Disclosed balance after: 18,378

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.02 to $20.01 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 (11).

F6 · ownership.nature: The reporting person is one of the Managing Members of FF II Management, which is the General Partner of The Founders Fund II Principals Fund, LP ("FFPF"), and may be deemed to share voting and investment power over the securities held by FFPF. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 17

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II, LP

Disclosed balance after: 370,480

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.02 to $20.07 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 (12).

F5 · ownership.nature: The reporting person is one of the Managing Members of The Founder's Fund II Management, LLC ("FF II Management"), which is the General Partner of The Founders Fund II, LP ("FF II"), and may be deemed to share voting and investment power over the securities held by FF II. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 16

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund II, LP

Disclosed balance after: 371,448

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.02 to $20.01 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 (11).

F5 · ownership.nature: The reporting person is one of the Managing Members of The Founder's Fund II Management, LLC ("FF II Management"), which is the General Partner of The Founders Fund II, LP ("FF II"), and may be deemed to share voting and investment power over the securities held by FF II. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 15

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund, LP

Disclosed balance after: 494,466

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F12 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.02 to $20.07 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 (12).

F3 · ownership.nature: The reporting person is one of the Managers of The Founder's Fund Management, LLC, which is the General Partner of The Founders Fund, LP ("FF"), and may be deemed to share voting and investment power over the securities held by FF. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 14

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Founders Fund, LP

Disclosed balance after: 503,881

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F11 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.02 to $20.01 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 (11).

F3 · ownership.nature: The reporting person is one of the Managers of The Founder's Fund Management, LLC, which is the General Partner of The Founders Fund, LP ("FF"), and may be deemed to share voting and investment power over the securities held by FF. 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: 0001181431-12-046843 · rrd344419.xml · derivative · entry 5

Moskovitz Dustin A. · CIK 0001549917 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By trust

Disclosed balance after: 106,756,629

Underlying: Class A common stock · 7,500,000 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.

F6 · derivative.exercise_price: The Class B common stock is convertible into Class A common stock at any time on a one-for-one basis and has no expiration date.

F1 · price: Converted from shares of Class B common stock into Class A common stock on a one-for-one basis.

F6 · derivative.exercise_date: The Class B common stock is convertible into Class A common stock at any time on a one-for-one basis and has no expiration date.

F6 · derivative.expiration_date: The Class B common stock is convertible into Class A common stock at any time on a one-for-one basis and has no expiration date.

F2 · ownership.nature: Shares held of record by Dustin Moskovitz, Trustee of The Dustin A. Moskovitz Trust dated December 27, 2005.

SEC source: 0001181431-12-046843 · rrd344419.xml · nonDerivative · entry 2

Moskovitz Dustin A. · CIK 0001549917 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By trust

Disclosed balance after: 7,350,000

F3 · price: The range of prices for the shares of Class A common stock is from $19.95 to $20.08. Mr. Moskovitz undertakes that he will provide, upon request by the staff of the U.S.Securities and Exchange Commission, full information regarding the number of securities sold at each separate price.

F2 · ownership.nature: Shares held of record by Dustin Moskovitz, Trustee of The Dustin A. Moskovitz Trust dated December 27, 2005.

SEC source: 0001181431-12-046843 · rrd344419.xml · nonDerivative · entry 1

Moskovitz Dustin A. · CIK 0001549917 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By trust

Disclosed balance after: 7,500,000

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 · price: Converted from shares of Class B common stock into Class A common stock on a one-for-one basis.

F2 · ownership.nature: Shares held of record by Dustin Moskovitz, Trustee of The Dustin A. Moskovitz Trust dated December 27, 2005.

SEC source: 0001209191-12-042640 · doc4.xml · derivative · entry 13

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Strategic Partners L.P.

Disclosed balance after: 92,554

Underlying: Class A Common Stock · 54,385 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.

F12 · 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.

F12 · 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.

F12 · 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.

F12 · 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.

F13 · derivative.underlying: 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.

F5 · ownership.nature: 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, James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members 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.

SEC source: 0001209191-12-042640 · doc4.xml · derivative · entry 12

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund L.P.

Disclosed balance after: 4,741,307

Underlying: Class A Common Stock · 2,785,949 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.

F12 · 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.

F12 · 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.

F12 · 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.

F12 · 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.

F13 · derivative.underlying: 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.

F4 · ownership.nature: 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, James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members 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.

SEC source: 0001209191-12-042640 · doc4.xml · nonDerivative · entry 10

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Meritech Investors III L.L.C.

Disclosed balance after: 98,018

F8 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Meritech Capital Associates III L.L.C. and Meritech Capital Affiliates III L.P. to their respective general and limited partners or members without consideration.

F10 · ownership.nature: James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members of Accel Meritech Investors III L.L.C. ("AMI III"), and may be deemed to share voting and investment power over the securities held by AMI III. 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.

SEC source: 0001209191-12-042640 · doc4.xml · nonDerivative · entry 9

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Meritech Associates III L.L.C.

Disclosed balance after: 176,416

F8 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Meritech Capital Associates III L.L.C. and Meritech Capital Affiliates III L.P. to their respective general and limited partners or members without consideration.

F9 · ownership.nature: James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members of Accel Meritech Associates III L.L.C. ("AMA III"), and may be deemed to share voting and investment power over the securities held by AMA III. 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.

SEC source: 0001209191-12-042640 · doc4.xml · nonDerivative · entry 8

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX Associates L.L.C.

Disclosed balance after: 16,491,451

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F7 · ownership.nature: James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members of A9A and may be deemed to share voting and investment power over the shares held of record by A9A. 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.

SEC source: 0001209191-12-042640 · doc4.xml · nonDerivative · entry 7

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Associates L.L.C.

Disclosed balance after: 724,144

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F6 · ownership.nature: James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members of AGFA and may be deemed to share voting and investment power over the shares held of record by AGFA. 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.

SEC source: 0001209191-12-042640 · doc4.xml · nonDerivative · entry 6

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Strategic Partners L.P.

Disclosed balance after: 0

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F5 · ownership.nature: 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, James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members 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.

SEC source: 0001209191-12-042640 · doc4.xml · nonDerivative · entry 5

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Strategic Partners L.P.

Disclosed balance after: 54,385

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.

F5 · ownership.nature: 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, James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members 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.

SEC source: 0001209191-12-042640 · doc4.xml · nonDerivative · entry 4

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund L.P.

Disclosed balance after: 0

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F4 · ownership.nature: 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, James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members 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.

SEC source: 0001209191-12-042640 · doc4.xml · nonDerivative · entry 3

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund L.P.

Disclosed balance after: 2,785,949

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.

F4 · ownership.nature: 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, James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members 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.

SEC source: 0001209191-12-042640 · doc4.xml · nonDerivative · entry 2

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX Strategic Partners L.P.

Disclosed balance after: 6,032,562

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F3 · ownership.nature: 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, James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members 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.

SEC source: 0001209191-12-042640 · doc4.xml · nonDerivative · entry 1

ACCEL IX LP · CIK 0001307855 · 10% owner

Accel Growth Fund Associates L.L.C. · CIK 0001494983 · 10% owner

Accel Growth Fund Investors 2009 L.L.C. · CIK 0001494985 · 10% owner

Accel Growth Fund L.P. · CIK 0001451727 · 10% owner

Accel Growth Fund Strategic Partners L.P. · CIK 0001459726 · 10% owner

Accel Investors 2005 L.L.C. · CIK 0001376782 · 10% owner

Accel IX Associates L.L.C. · CIK 0001376777 · 10% owner

ACCEL IX STRATEGIC PARTNERS LP · CIK 0001315534 · 10% owner

Accel Meritech Associates III L.L.C. · CIK 0001376773 · 10% owner

Accel Meritech Investors III L.L.C. · CIK 0001376779 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX L.P.

Disclosed balance after: 56,612,648

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F2 · ownership.nature: 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, James W. Breyer, who is a Director of the issuer, and certain other individuals are Managing Members 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.

SEC source: 0001209191-12-042641 · doc4.xml · nonDerivative · entry 1

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Andreessen 1996 Charitable Remainder Unitrust

Disclosed balance after: 5,871

F1 · kind: The shares reported on this Form 4 represent a pro rata distribution, and not a purchase or sale of the shares, by Greylock XII Limited Partnership to its general and limited partners without consideration.

F2 · ownership.nature: The reporting person and JP Morgan Trust Company, NA are the Trustees of The Andreessen 1996 Charitable Remainder Unitrust. 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: 0001209191-12-042642 · doc4.xml · derivative · entry 15

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Strategic Partners L.P.

Disclosed balance after: 92,544

Underlying: Class A Common Stock · 54,385 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.

F14 · 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.

F14 · 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.

F14 · 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.

F14 · 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.

F15 · derivative.underlying: 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.

F5 · ownership.nature: The reporting person is one of the Managing Members of AGFA, which is the General Partner of Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), and may be deemed to share voting and investment power over the securities held by Accel Growth SP. 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: 0001209191-12-042642 · doc4.xml · derivative · entry 14

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund L.P.

Disclosed balance after: 4,741,307

Underlying: Class A Common Stock · 2,785,949 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.

F14 · 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.

F14 · 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.

F14 · 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.

F14 · 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.

F15 · derivative.underlying: 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.

F4 · ownership.nature: The reporting person is one of the Managing Members of Accel Growth Fund Associates L.L.C ("AGFA"), which is the General Partner of Accel Growth Fund L.P. ("Accel Growth"), and may be deemed to share voting and investment power over the securities held by Accel Growth. 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: 0001209191-12-042642 · doc4.xml · nonDerivative · entry 10

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Meritech Investors III L.L.C.

Disclosed balance after: 98,018

F8 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Meritech Capital Associates III L.L.C. and Meritech Capital Affiliates III L.P. to their respective general and limited partners or members without consideration.

F10 · ownership.nature: The reporting person is one of the Managing Members of Accel Meritech Investors III L.L.C. ("AMI III"), and may be deemed to share voting and investment power over the securities held by AMI 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: 0001209191-12-042642 · doc4.xml · nonDerivative · entry 9

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Meritech Associates III L.L.C.

Disclosed balance after: 176,416

F8 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Meritech Capital Associates III L.L.C. and Meritech Capital Affiliates III L.P. to their respective general and limited partners or members without consideration.

F9 · ownership.nature: The reporting person is one of the Managing Members of Accel Meritech Associates III L.L.C. ("AMA III"), and may be deemed to share voting and investment power over the securities held by AMA 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: 0001209191-12-042642 · doc4.xml · nonDerivative · entry 8

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX Associates L.L.C.

Disclosed balance after: 16,491,451

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F7 · ownership.nature: The reporting person is one of the Managing Members of A9A, and may be deemed to share voting and investment power over the securities held by A9A. 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: 0001209191-12-042642 · doc4.xml · nonDerivative · entry 7

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Associates L.L.C.

Disclosed balance after: 724,144

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F6 · ownership.nature: The reporting person is one of the Managing Members of AGFA and may be deemed to share voting and investment power over the securities held by AGFA. 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: 0001209191-12-042642 · doc4.xml · nonDerivative · entry 6

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Strategic Partners L.P.

Disclosed balance after: 0

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F5 · ownership.nature: The reporting person is one of the Managing Members of AGFA, which is the General Partner of Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), and may be deemed to share voting and investment power over the securities held by Accel Growth SP. 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: 0001209191-12-042642 · doc4.xml · nonDerivative · entry 5

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Strategic Partners L.P.

Disclosed balance after: 54,385

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.

F5 · ownership.nature: The reporting person is one of the Managing Members of AGFA, which is the General Partner of Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), and may be deemed to share voting and investment power over the securities held by Accel Growth SP. 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: 0001209191-12-042642 · doc4.xml · nonDerivative · entry 4

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund L.P.

Disclosed balance after: 0

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F4 · ownership.nature: The reporting person is one of the Managing Members of Accel Growth Fund Associates L.L.C ("AGFA"), which is the General Partner of Accel Growth Fund L.P. ("Accel Growth"), and may be deemed to share voting and investment power over the securities held by Accel Growth. 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: 0001209191-12-042642 · doc4.xml · nonDerivative · entry 3

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund L.P.

Disclosed balance after: 2,785,949

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.

F4 · ownership.nature: The reporting person is one of the Managing Members of Accel Growth Fund Associates L.L.C ("AGFA"), which is the General Partner of Accel Growth Fund L.P. ("Accel Growth"), and may be deemed to share voting and investment power over the securities held by Accel Growth. 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: 0001209191-12-042642 · doc4.xml · nonDerivative · entry 2

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX Strategic Partners L.P.

Disclosed balance after: 6,032,562

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F3 · ownership.nature: The reporting person is one of the Managing Members of A9A, which is the General Partner of Accel IX Strategic Partners L.P. ("Accel SP"), and may be deemed to share voting and investment power over the securities held by Accel SP. 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: 0001209191-12-042642 · doc4.xml · nonDerivative · entry 1

BREYER JAMES · CIK 0001194696 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX L.P.

Disclosed balance after: 56,612,648

F1 · kind: Transactions reported on this form represent pro rata distributions, and not a purchase or sale of securities, by Accel IX L.P., Accel IX Strategic Partners L.P., Accel Growth Fund L.P. and Accel Growth Fund Strategic Partners L.P. to their respective general and limited partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F2 · ownership.nature: The reporting person is one of the Managing Members of Accel IX Associates L.L.C. ("A9A"), which is the General Partner of Accel IX L.P. ("Accel IX"), and may be deemed to share voting and investment power over the securities held by Accel IX. 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: 0001209191-12-042644 · doc4.xml · nonDerivative · entry 1

HASTINGS REED · CIK 0001033331 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,607

F1 · kind: The transaction reported on this Form 4 represents a pro rata distribution, and not a purchase or sale of securities, by Accel IX Strategic Partners L.P. to its general and limited partners without consideration.

SEC source: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 13

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lembas, LLC

Disclosed balance after: 2,649,078

F10 · kind: The shares reported on this Form 4 represent pro rata distributions, and not a purchase or sale of the shares, by Lembas, LLC to its members who are not affiliates of the issuer, without consideration.

F9 · ownership.nature: The reporting person is the Manager and a Member of Lembas, LLC ("Lembas"), and has sole voting and investment power over the securities held by Lembas. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 12

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lembas, LLC

Disclosed balance after: 4,884,213

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.69 to $20.70 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 (4).

F9 · ownership.nature: The reporting person is the Manager and a Member of Lembas, LLC ("Lembas"), and has sole voting and investment power over the securities held by Lembas. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 11

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lembas, LLC

Disclosed balance after: 4,884,464

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.69 to $20.68 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 (2).

F9 · ownership.nature: The reporting person is the Manager and a Member of Lembas, LLC ("Lembas"), and has sole voting and investment power over the securities held by Lembas. 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: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 10

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Rivendell One LLC

Disclosed balance after: 7,928,240

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.69 to $20.70 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 (4).

F8 · ownership.nature: The reporting person is the beneficial owner of Rivendell One LLC ("Rivendell"), and has sole voting and investment power over the securities held by Rivendell.

SEC source: 0001209191-12-042645 · doc4.xml · nonDerivative · entry 9

THIEL PETER · CIK 0001211060 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Rivendell One LLC

Disclosed balance after: 7,942,581

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2012.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.69 to $20.68 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 (2).

F8 · ownership.nature: The reporting person is the beneficial owner of Rivendell One LLC ("Rivendell"), and has sole voting and investment power over the securities held by Rivendell.