META

SEC source: 0001209191-12-058454 · doc4.xml · derivative · entry 5

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,997

Underlying: Class A Common Stock · 8,753 shares

Expires not disclosed

F6 · 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.

F6 · 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.

F7 · shares: Represents shares of Class B Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the RSUs and does not represent a sale by the reporting person.

F6 · 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.

F6 · 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.

SEC source: 0001209191-12-058454 · doc4.xml · derivative · entry 4

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,750

Underlying: Class A Common Stock · 18,750 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 · 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.

F6 · 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.

F6 · 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.

F6 · 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.

SEC source: 0001209191-12-058454 · doc4.xml · derivative · entry 3

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 356,250

Underlying: Class B Common Stock · 18,750 shares

Expires 2019-08-25

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 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the issuer's Class B Common Stock upon settlement.

F5 · derivative.exercise_date: The RSUs were granted with both (a) a liquidity event-based vesting condition and (b) a service-based vesting condition, both of which conditions must be satisfied in order for the RSUs to vest. Pursuant to the terms of the RSU award, the service-based vesting condition was satisfied as to 1/5th of the total number of shares on July 15, 2010 and then 1/60th of the total number of shares vest monthly thereafter, subject to continued service through each vesting date. The liquidity event-based vesting condition is satisfied six months after the issuer's initial public offering, which was declared effective on May 17, 2012. Under settlement procedures applicable to the RSUs, the issuer is permitted to deliver the underlying shares within 30 days before or after the date on which the liquidity event-based condition is satisfied.

F6 · 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.

SEC source: 0001209191-12-058454 · doc4.xml · nonDerivative · entry 1

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,439,813

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 conversion of Class B Common Stock to Class A Common Stock in connection with the net settlement of restricted stock units (the "RSUs") listed in Table II, based on a price of $26.81 per share, which represented the closing price of the issuer's Class A Common Stock on December 14, 2012.

SEC source: 0001209191-12-058458 · doc4.xml · derivative · entry 5

Spillane David · CIK 0001548761 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 8,331 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.

F4 · 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.

F4 · 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.

F6 · shares: Represents shares of Class B Common Stock that have been converted to Class A Common Stock in connection with the net settlement of the RSUs.

F4 · 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.

F4 · 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.

SEC source: 0001209191-12-058458 · doc4.xml · derivative · entry 4

Spillane David · CIK 0001548761 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,331

Underlying: Class A Common Stock · 7,294 shares

Expires not disclosed

F4 · 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.

F4 · 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.

F5 · shares: Represents shares of Class B Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the RSUs and does not represent a sale by the reporting person.

F4 · 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.

F4 · 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.

SEC source: 0001209191-12-058458 · doc4.xml · derivative · entry 3

Spillane David · CIK 0001548761 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,625

Underlying: Class A Common Stock · 15,625 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.

F4 · 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.

F4 · 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.

F4 · 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.

F4 · 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.

SEC source: 0001209191-12-058458 · doc4.xml · derivative · entry 2

Spillane David · CIK 0001548761 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,625

Underlying: Class B Common Stock · 15,625 shares

Expires 2019-03-25

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.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the issuer's Class B Common Stock upon settlement.

F3 · derivative.exercise_date: The RSUs were granted with both (a) a liquidity event-based vesting condition and (b) a service-based vesting condition, both of which conditions must be satisfied in order for the RSUs to vest. Pursuant to the terms of the RSU award, the service-based vesting condition was satisfied as to 1/4th of the total number of shares on January 15, 2010 and then 1/48th of the total number of shares vests monthly thereafter, subject to continued service through each vesting date. The liquidity event-based vesting condition is satisfied six months after the issuer's initial public offering, which was declared effective on May 17, 2012. Under settlement procedures applicable to the RSUs, the issuer is permitted to deliver the underlying shares within 30 days before or after the date on which the liquidity event-based condition is satisfied.

F4 · 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.

SEC source: 0001209191-12-058458 · doc4.xml · nonDerivative · entry 1

Spillane David · CIK 0001548761 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 180,916

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 conversion of Class B Common Stock to Class A Common Stock in connection with the net settlement of restricted stock units (the "RSUs") listed in Table II, based on a price of $26.81 per share, which represented the closing price of the issuer's Class A Common Stock on December 14, 2012.

SEC source: 0001209191-12-058462 · doc4.xml · derivative · entry 5

EBERSMAN DAVID A · CIK 0001214123 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 59,984 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.

F4 · 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.

F4 · 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.

F6 · shares: Represents shares of Class B Common Stock that have been converted to Class A Common Stock in connection with the net settlement of the RSUs.

F4 · 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.

F4 · 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.

SEC source: 0001209191-12-058462 · doc4.xml · derivative · entry 4

EBERSMAN DAVID A · CIK 0001214123 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,984

Underlying: Class A Common Stock · 52,516 shares

Expires not disclosed

F4 · 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.

F4 · 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.

F5 · shares: Represents shares of Class B Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the RSUs and does not represent a sale by the reporting person.

F4 · 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.

F4 · 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.

SEC source: 0001209191-12-058462 · doc4.xml · derivative · entry 3

EBERSMAN DAVID A · CIK 0001214123 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,500

Underlying: Class A Common Stock · 112,500 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.

F4 · 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.

F4 · 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.

F4 · 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.

F4 · 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.

SEC source: 0001209191-12-058462 · doc4.xml · derivative · entry 2

EBERSMAN DAVID A · CIK 0001214123 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,362,500

Underlying: Class B Common Stock · 112,500 shares

Expires 2019-10-25

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.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the issuer's Class B Common Stock upon settlement.

F3 · derivative.exercise_date: The RSUs were granted with both (a) a liquidity event-based vesting condition and (b) a service-based vesting condition, both of which conditions must be satisfied in order for the RSUs to vest. Pursuant to the terms of the RSU award, the service-based vesting condition was satisfied as to 1/5th of the total number of shares on September 15, 2010 and then 1/60th of the total number of shares vest monthly thereafter, subject to continued service through each vesting date. The liquidity event-based vesting condition is satisfied six months after the issuer's initial public offering, which was declared effective on May 17, 2012. Under settlement procedures applicable to the RSUs, the issuer is permitted to deliver the underlying shares within 30 days before or after the date on which the liquidity event-based condition is satisfied.

F4 · 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.

SEC source: 0001209191-12-058462 · doc4.xml · nonDerivative · entry 1

EBERSMAN DAVID A · CIK 0001214123 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,343,014

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 conversion of Class B Common Stock to Class A Common Stock in connection with the net settlement of restricted stock units (the "RSUs") listed in Table II, based on a price of $26.81 per share, which represented the closing price of the issuer's Class A Common Stock on December 14, 2012.

SEC source: 0001209191-12-058450 · doc4.xml · derivative · entry 16

BREYER JAMES · CIK 0001194696 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

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 · 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.

F7 · ownership.nature: AGFA, which is the General Partner of 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, the reporting person is one of the Managing Members of AGFA and may be deemed to share voting and investment power over the shares held of record 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: 0001209191-12-058450 · doc4.xml · derivative · entry 15

BREYER JAMES · CIK 0001194696 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

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 · 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.

F6 · ownership.nature: Accel Growth Fund Associates L.L.C ("AGFA"), which is the General Partner of 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, the reporting person is one of the Managing Members of AGFA and may be deemed to share voting and investment power over the shares held of record 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: 0001209191-12-058450 · doc4.xml · derivative · entry 14

BREYER JAMES · CIK 0001194696 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2009 L.L.C.

Disclosed balance after: 0

Underlying: Class A Common Stock · 37,120 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 · 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.

F3 · ownership.nature: The reporting person is one of the Managing Members of Accel Growth 2009, and may be deemed to share voting and investment power over the securities held by Accel Growth 2009. 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: 0001209191-12-058450 · doc4.xml · nonDerivative · entry 10

BREYER JAMES · CIK 0001194696 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By James W. Breyer as Trustee of the James W. Breyer 2005 Trust dated March 25, 2005

Disclosed balance after: 10,963,744

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"), Accel IX Strategic Partners L.P. ("Accel SP"), Accel Investors 2005 L.L.C. ("Accel 2005"), Accel Growth Fund Investors 2009 L.L.C. ("Accel Growth 2009"), Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), and Accel Growth Fund L.P. ("Accel Growth") to their respective limited and general partners or members without consideration. Distribution transactions were executed pursuant to a plan established in compliance with the requirements of Rule 10b5-1.

F8 · ownership.nature: Shares held of record by James W. Breyer as Trustee of the James W. Breyer 2005 Trust dated March 25, 2005.

SEC source: 0001209191-12-058450 · doc4.xml · nonDerivative · entry 9

BREYER JAMES · CIK 0001194696 · Director

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"), Accel IX Strategic Partners L.P. ("Accel SP"), Accel Investors 2005 L.L.C. ("Accel 2005"), Accel Growth Fund Investors 2009 L.L.C. ("Accel Growth 2009"), Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), and Accel Growth Fund L.P. ("Accel Growth") to their respective limited and general 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: AGFA, which is the General Partner of 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, the reporting person is one of the Managing Members of AGFA and may be deemed to share voting and investment power over the shares held of record 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: 0001209191-12-058450 · doc4.xml · nonDerivative · entry 8

BREYER JAMES · CIK 0001194696 · Director

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.

F7 · ownership.nature: AGFA, which is the General Partner of 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, the reporting person is one of the Managing Members of AGFA and may be deemed to share voting and investment power over the shares held of record 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: 0001209191-12-058450 · doc4.xml · nonDerivative · entry 7

BREYER JAMES · CIK 0001194696 · Director

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"), Accel IX Strategic Partners L.P. ("Accel SP"), Accel Investors 2005 L.L.C. ("Accel 2005"), Accel Growth Fund Investors 2009 L.L.C. ("Accel Growth 2009"), Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), and Accel Growth Fund L.P. ("Accel Growth") to their respective limited and general 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: Accel Growth Fund Associates L.L.C ("AGFA"), which is the General Partner of 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, the reporting person is one of the Managing Members of AGFA and may be deemed to share voting and investment power over the shares held of record 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: 0001209191-12-058450 · doc4.xml · nonDerivative · entry 6

BREYER JAMES · CIK 0001194696 · Director

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.

F6 · ownership.nature: Accel Growth Fund Associates L.L.C ("AGFA"), which is the General Partner of 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, the reporting person is one of the Managing Members of AGFA and may be deemed to share voting and investment power over the shares held of record 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: 0001209191-12-058450 · doc4.xml · nonDerivative · entry 5

BREYER JAMES · CIK 0001194696 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX 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"), Accel IX Strategic Partners L.P. ("Accel SP"), Accel Investors 2005 L.L.C. ("Accel 2005"), Accel Growth Fund Investors 2009 L.L.C. ("Accel Growth 2009"), Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), and Accel Growth Fund L.P. ("Accel Growth") to their respective limited and general 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 A9A, which is the General Partner of Accel SP, and may be deemed to share voting and investment power over the securities held of record 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: 0001209191-12-058450 · doc4.xml · nonDerivative · entry 4

BREYER JAMES · CIK 0001194696 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel IX 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"), Accel IX Strategic Partners L.P. ("Accel SP"), Accel Investors 2005 L.L.C. ("Accel 2005"), Accel Growth Fund Investors 2009 L.L.C. ("Accel Growth 2009"), Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), and Accel Growth Fund L.P. ("Accel Growth") to their respective limited and general 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 IX Associates L.L.C. ("A9A"), which is the General Partner of Accel IX, and may be deemed to share voting and investment power over the securities held of record by Accel IX. The reporting person disclaims beneficial ownership of 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: 0001209191-12-058450 · doc4.xml · nonDerivative · entry 3

BREYER JAMES · CIK 0001194696 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2009 L.L.C.

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"), Accel IX Strategic Partners L.P. ("Accel SP"), Accel Investors 2005 L.L.C. ("Accel 2005"), Accel Growth Fund Investors 2009 L.L.C. ("Accel Growth 2009"), Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), and Accel Growth Fund L.P. ("Accel Growth") to their respective limited and general 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 Accel Growth 2009, and may be deemed to share voting and investment power over the securities held by Accel Growth 2009. 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: 0001209191-12-058450 · doc4.xml · nonDerivative · entry 2

BREYER JAMES · CIK 0001194696 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2009 L.L.C.

Disclosed balance after: 37,120

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 · ownership.nature: The reporting person is one of the Managing Members of Accel Growth 2009, and may be deemed to share voting and investment power over the securities held by Accel Growth 2009. 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: 0001209191-12-058450 · doc4.xml · nonDerivative · entry 1

BREYER JAMES · CIK 0001194696 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Investors 2005 L.L.C.

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"), Accel IX Strategic Partners L.P. ("Accel SP"), Accel Investors 2005 L.L.C. ("Accel 2005"), Accel Growth Fund Investors 2009 L.L.C. ("Accel Growth 2009"), Accel Growth Fund Strategic Partners L.P. ("Accel Growth SP"), and Accel Growth Fund L.P. ("Accel Growth") to their respective limited and general 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 2005, and may be deemed to share voting and investment power over the securities held by Accel 2005. 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: 0001209191-12-058452 · doc4.xml · nonDerivative · entry 1

HASTINGS REED · CIK 0001033331 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,408

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: 0001209191-12-057809 · 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: 19,491

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: 0001209191-12-057460 · doc4.xml · nonDerivative · entry 2

FISCHER DAVID B. · CIK 0001549078 · VP Marketing & Bus. Part.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 583,170

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

SEC source: 0001209191-12-057460 · doc4.xml · nonDerivative · entry 1

FISCHER DAVID B. · CIK 0001549078 · VP Marketing & Bus. Part.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 595,170

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

SEC source: 0001209191-12-056469 · doc4.xml · nonDerivative · entry 1

Andreessen Marc L · CIK 0001160077 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Andreessen 1996 Living Trust

Disclosed balance after: 3,235,023

F1 · kind: The shares reported on this Form 4 represent a pro rata distribution, and not a purchase or sale, of the shares by Benchmark Founders' Fund VI, L.P. to its partners without consideration.

F2 · ownership.nature: The reporting person and JP Morgan Trust Company, NA are the Trustees of The Andreessen 1996 Living Trust.

SEC source: 0001209191-12-056470 · doc4.xml · nonDerivative · entry 1

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: 116

F1 · kind: The shares reported on this Form 4 represent a pro rata distribution, and not a purchase or sale, of the shares by Benchmark Founders' Fund VI, L.P. to its partners without consideration.

F2 · ownership.nature: Shares held of record by Mark Zuckerberg, Trustee of The Mark Zuckerberg Trust dated July 7, 2006.

SEC source: 0001209191-12-056471 · doc4.xml · nonDerivative · entry 2

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sheryl K. Sandberg, Trustee of the Sheryl K. Sandberg 2008 Annuity Trust dated April 15, 2008

Disclosed balance after: 1,825,246

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

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.51 to $27.90 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 (3).

F4 · ownership.nature: Shares held of record by Sheryl K. Sandberg, Trustee of the Sheryl K. Sandberg 2008 Annuity Trust dated April 15, 2008.

SEC source: 0001209191-12-056471 · doc4.xml · nonDerivative · entry 1

Sandberg Sheryl · CIK 0001366010 · Director · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,825,074

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 $27.30 to $27.90 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).

SEC source: 0001209191-12-055741 · doc4.xml · nonDerivative · entry 3

Ullyot Theodore Warren · CIK 0001382582 · VP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 894,261

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

SEC source: 0001209191-12-055411 · doc4.xml · nonDerivative · entry 4

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,429,816

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

SEC source: 0001209191-12-055411 · doc4.xml · nonDerivative · entry 3

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,453,387

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

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.89 to $27.97 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 (3).

SEC source: 0001209191-12-055734 · doc4.xml · nonDerivative · entry 2

GRAHAM DONALD · CIK 0001018401 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 623,332

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person for the sole purpose of covering the reporting person's tax liability in connection with the settlement of the RSUs listed in Table II.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.03 to $27.74 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 (3).

SEC source: 0001209191-12-055741 · doc4.xml · nonDerivative · entry 2

Ullyot Theodore Warren · CIK 0001382582 · VP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 894,301

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.84 to $27.98 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 (3).

SEC source: 0001209191-12-055411 · doc4.xml · derivative · entry 12

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 13,308 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 · 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.

F6 · 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.

F8 · shares: Represents shares of Class B Common Stock that have been converted to Class A Common Stock in connection with the net settlement of the RSUs.

F6 · 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.

F6 · 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.

SEC source: 0001209191-12-055411 · doc4.xml · derivative · entry 11

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,308

Underlying: Class A Common Stock · 11,652 shares

Expires not disclosed

F6 · 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.

F6 · 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.

F7 · shares: Represents shares of Class B Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the RSUs and does not represent a sale by the reporting person.

F6 · 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.

F6 · 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.

SEC source: 0001209191-12-055411 · doc4.xml · derivative · entry 10

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,960

Underlying: Class A Common Stock · 24,960 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 · 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.

F6 · 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.

F6 · 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.

F6 · 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.

SEC source: 0001209191-12-055411 · doc4.xml · derivative · entry 9

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 224,670

Underlying: Class B Common Stock · 24,960 shares

Expires 2019-01-11

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 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the issuer's Class B Common Stock upon settlement.

F9 · derivative.exercise_date: The RSUs were granted with both (a) a liquidity event-based vesting condition and (b) a service-based vesting condition, both of which conditions must be satisfied in order for the RSUs to vest. The liquidity event-based vesting condition was satisfied on November 17, 2012. Pursuant to the terms of the RSU award, the service-based vesting condition was satisfied as to 1/5th of the total number of shares on September 1, 2009 and then 1/60th of the total number of shares vest monthly thereafter, subject to continued service through each vesting date.

SEC source: 0001209191-12-055411 · doc4.xml · derivative · entry 8

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,456 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 · 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.

F6 · 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.

F8 · shares: Represents shares of Class B Common Stock that have been converted to Class A Common Stock in connection with the net settlement of the RSUs.

F6 · 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.

F6 · 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.

SEC source: 0001209191-12-055411 · doc4.xml · derivative · entry 7

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,456

Underlying: Class A Common Stock · 9,154 shares

Expires not disclosed

F6 · 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.

F6 · 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.

F7 · shares: Represents shares of Class B Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the RSUs and does not represent a sale by the reporting person.

F6 · 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.

F6 · 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.

SEC source: 0001209191-12-055411 · doc4.xml · derivative · entry 6

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,610

Underlying: Class A Common Stock · 19,610 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 · 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.

F6 · 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.

F6 · 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.

F6 · 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.

SEC source: 0001209191-12-055411 · doc4.xml · derivative · entry 5

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 215,755

Underlying: Class B Common Stock · 19,610 shares

Expires 2019-01-11

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 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the issuer's Class B Common Stock upon settlement.

F5 · derivative.exercise_date: The RSUs were granted with both (a) a liquidity event-based vesting condition and (b) a service-based vesting condition, both of which conditions must be satisfied in order for the RSUs to vest. The liquidity event-based vesting condition was satisfied on November 17, 2012. Pursuant to the terms of the RSU award, the service-based vesting condition was satisfied as to 1/5th of the total number of shares on November 1, 2009 and then 1/60th of the total number of shares vest monthly thereafter, subject to continued service through each vesting date.

F6 · 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.

SEC source: 0001209191-12-055411 · doc4.xml · nonDerivative · entry 2

Schroepfer Michael Todd · CIK 0001509441 · VP Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,484,816

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.

F2 · 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 net settlement of restricted stock units (the "RSUs") listed in Table II, based on a price of $28.00 per share, which represented the closing price of the issuer's Class A Common Stock on November 30, 2012.

SEC source: 0001209191-12-055734 · doc4.xml · derivative · entry 5

GRAHAM DONALD · CIK 0001018401 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 20,835 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 · 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.

F6 · 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.

F7 · shares: The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.

F6 · 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.

F6 · 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.