TTD

SEC source: 0001209191-21-067901 · doc4.xml · derivative · entry 5

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 958,330

Underlying: Class A Common Stock · 75,000 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_date: Each share of Class B Common Stock has no expiration date and is convertible for no additional consideration into one (1) share of Class A Common Stock at the option of the holder thereof at any time and upon certain other circumstances.

F6 · derivative.expiration_date: Each share of Class B Common Stock has no expiration date and is convertible for no additional consideration into one (1) share of Class A Common Stock at the option of the holder thereof at any time and upon certain other circumstances.

F7 · balance_after: On June 16, 2021, the Issuer effected a 10-for-1 stock split of its common stock resulting in the reporting person's ownership of 794,997 additional shares of common stock.

SEC source: 0001209191-21-067901 · doc4.xml · derivative · entry 4

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 295,000

Underlying: Class B Common Stock · 75,000 shares

Expires 2023-02-07

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: This option was previously reported as covering 37,000 shares at an exercise price of $0.171 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021.

F5 · derivative.exercise_date: The option was granted on February 8, 2013. The Vesting Commencement Date ("VCD") was October 17, 2012. One forty-eighth (1/48th) of the shares subject to the option vest on each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

F4 · balance_after: This option was previously reported as covering 37,000 shares at an exercise price of $0.171 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021.

SEC source: 0001209191-21-067901 · doc4.xml · nonDerivative · entry 3

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 453,640

F3 · shares: The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a restricted stock award granted December 1, 2019.

SEC source: 0001209191-21-067901 · doc4.xml · nonDerivative · entry 2

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 460,160

F2 · shares: The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a restricted stock award granted December 1, 2018.

SEC source: 0001209191-21-067901 · doc4.xml · nonDerivative · entry 1

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 471,693

F1 · shares: The shares were withheld at the election of the Reporting Person to satisfy tax withholding obligations in connection with the partial vesting of a restricted stock award granted December 1, 2017.

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 15

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 55,268

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F10 · ownership.nature: The reported securities are owned directly by the Eric Paley 2015 Remainder Trust (the "2015 Remainder Trust").

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 14

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 55,510

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F16 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.70 to $105.24, 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 ranges set forth in this footnote.

F10 · ownership.nature: The reported securities are owned directly by the Eric Paley 2015 Remainder Trust (the "2015 Remainder Trust").

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 13

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 56,013

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.64 to $104.58, 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 ranges set forth in this footnote.

F10 · ownership.nature: The reported securities are owned directly by the Eric Paley 2015 Remainder Trust (the "2015 Remainder Trust").

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 12

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 57,337

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.52 to $103.51, 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 ranges set forth in this footnote.

F10 · ownership.nature: The reported securities are owned directly by the Eric Paley 2015 Remainder Trust (the "2015 Remainder Trust").

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 11

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 58,846

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.52 to $102.23, 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 ranges set forth in this footnote.

F10 · ownership.nature: The reported securities are owned directly by the Eric Paley 2015 Remainder Trust (the "2015 Remainder Trust").

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 10

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 60,373

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.39 to $100.98, 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 ranges set forth in this footnote.

F10 · ownership.nature: The reported securities are owned directly by the Eric Paley 2015 Remainder Trust (the "2015 Remainder Trust").

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 9

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 61,385

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.92 to $99.71, 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 ranges set forth in this footnote.

F10 · ownership.nature: The reported securities are owned directly by the Eric Paley 2015 Remainder Trust (the "2015 Remainder Trust").

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 8

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 62,402

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $97.84 to $98.81, 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 ranges set forth in this footnote.

F10 · ownership.nature: The reported securities are owned directly by the Eric Paley 2015 Remainder Trust (the "2015 Remainder Trust").

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 7

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,730

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.24 to $105.77, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 6

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,006

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.17 to $105.08, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 5

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,036

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.93 to $103.88, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 4

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,415

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.46 to $102.18, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 3

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,038

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.46 to $100.89, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 2

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,762

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.41 to $100.34, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-067996 · doc4.xml · nonDerivative · entry 1

Paley Eric B · CIK 0001670811 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,408

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $97.90 to $98.81, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-067654 · doc4.xml · derivative · entry 3

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,430

Underlying: Class A Common Stock · 1,270 shares

Expires 2031-04-28

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_date: The option was granted on April 28,2021, the Vesting Commencement Day ("VCD"). One forty-eighth (1/48th) of the shares subject to the option vest each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

SEC source: 0001209191-21-067654 · doc4.xml · nonDerivative · entry 2

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,635

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001209191-21-067654 · doc4.xml · nonDerivative · entry 1

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,905

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.

SEC source: 0001209191-21-066629 · doc4.xml · nonDerivative · entry 4

FALBERG KATHRYN E · CIK 0001206977 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family Trust

Disclosed balance after: 50,000

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.42 to $110.46, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-066629 · doc4.xml · nonDerivative · entry 3

FALBERG KATHRYN E · CIK 0001206977 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family Trust

Disclosed balance after: 50,250

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.42 to $110.40, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-066629 · doc4.xml · nonDerivative · entry 2

FALBERG KATHRYN E · CIK 0001206977 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family Trust

Disclosed balance after: 71,718

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.42 to $109.41, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-066629 · doc4.xml · nonDerivative · entry 1

FALBERG KATHRYN E · CIK 0001206977 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family Trust

Disclosed balance after: 119,437

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.42 to $108.41, 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 ranges set forth in this footnote.

F2 · balance_after: On June 16, 2021, the Issuer effected a 10-for-1 stock split of its common stock resulting in the reporting person's ownership of 180,000 additional shares of common stock.

SEC source: 0001209191-21-065305 · doc4.xml · nonDerivative · entry 18

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,635

F4 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F15 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.20 to $113.90, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-065305 · doc4.xml · nonDerivative · entry 17

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,435

F4 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.11 to $112.87, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-065305 · doc4.xml · nonDerivative · entry 16

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,958

F4 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.09 to $111.99, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-065309 · doc4.xml · derivative · entry 14

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,750

Underlying: Class A Common Stock · 10,120 shares

Expires 2030-05-15

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

F11 · derivative.exercise_price: This option was previously reported as covering 7,487 shares at an exercise price of $300.01 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021.

F12 · derivative.exercise_date: The option was granted on May 15, 2020, the VCD. One forty-eighth (1/48th) of the shares subject to the option vest on each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

F11 · balance_after: This option was previously reported as covering 7,487 shares at an exercise price of $300.01 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021.

SEC source: 0001209191-21-065309 · doc4.xml · derivative · entry 13

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,500

Underlying: Class A Common Stock · 12,350 shares

Expires 2029-12-01

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

F9 · derivative.exercise_price: This option was previously reported as covering 6,585 shares at an exercise price of $263.34 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021.

F10 · derivative.exercise_date: The option was granted on December 1, 2019, the VCD. One forty-eighth (1/48th) of the shares subject to the option vest on each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

F9 · balance_after: This option was previously reported as covering 6,585 shares at an exercise price of $263.34 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021.

SEC source: 0001209191-21-065309 · doc4.xml · derivative · entry 12

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,250

Underlying: Class A Common Stock · 21,900 shares

Expires 2028-12-01

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 · derivative.exercise_price: This option was previously reported as covering 7,315 shares at an exercise price of $142.45 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021.

F8 · derivative.exercise_date: The option was granted on December 1, 2018, the VCD. One forty-eighth (1/48th) of the shares subject to the option vest on each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

F7 · balance_after: This option was previously reported as covering 7,315 shares at an exercise price of $142.45 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021.

SEC source: 0001209191-21-065309 · doc4.xml · derivative · entry 11

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,620

Underlying: Class A Common Stock · 52,500 shares

Expires 2027-12-01

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 · derivative.exercise_price: This option was previously reported as covering 7,012 shares at an exercise price of $48.00 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021.

F6 · derivative.exercise_date: The option was granted on December 1, 2017, the Vesting Commencement Date ("VCD"). One forty-eighth (1/48th) of the shares subject to the option vest on each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

F5 · balance_after: This option was previously reported as covering 7,012 shares at an exercise price of $48.00 per share, but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021.

SEC source: 0001209191-21-065309 · doc4.xml · nonDerivative · entry 10

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 497,004

F4 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001209191-21-065309 · doc4.xml · nonDerivative · entry 9

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 507,124

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.

SEC source: 0001209191-21-065309 · doc4.xml · nonDerivative · entry 8

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 497,004

F4 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001209191-21-065309 · doc4.xml · nonDerivative · entry 7

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 509,354

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.

SEC source: 0001209191-21-065309 · doc4.xml · nonDerivative · entry 6

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 497,004

F4 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001209191-21-065309 · doc4.xml · nonDerivative · entry 5

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 518,904

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.

SEC source: 0001209191-21-065309 · doc4.xml · nonDerivative · entry 4

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 497,004

F4 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001209191-21-065309 · doc4.xml · nonDerivative · entry 3

Pickles David Randall · CIK 0001671685 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 549,504

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.

SEC source: 0001209191-21-065305 · doc4.xml · derivative · entry 22

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,700

Underlying: Class A Common Stock · 7,670 shares

Expires 2031-04-28

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.

F19 · derivative.exercise_date: The option was granted on April 28,2021, the VCD. One forty-eighth (1/48th) of the shares subject to the option vest each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

SEC source: 0001209191-21-065305 · doc4.xml · derivative · entry 21

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,710

Underlying: Class A Common Stock · 2,020 shares

Expires 2030-05-15

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.

F18 · derivative.exercise_date: The option was granted on May 15, 2020, the VCD. One forty-eighth (1/48th) of the shares subject to the option vest each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

SEC source: 0001209191-21-065305 · doc4.xml · derivative · entry 20

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,380

Underlying: Class A Common Stock · 1,900 shares

Expires 2029-12-27

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.

F17 · derivative.exercise_date: The option was granted on December 27, 2019. The VCD was December 16, 2019. One forty-eighth (1/48th) of the shares subject to the option vest each monthly anniversary of the VCD, subject to continued employment with the Issuer through the applicable vesting dates.

SEC source: 0001209191-21-065305 · doc4.xml · derivative · entry 19

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,320

Underlying: Class A Common Stock · 5,080 shares

Expires 2029-12-27

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.

F16 · derivative.exercise_date: The option was granted on December 27, 2019. The Vesting Commencement Date ("VCD") was December 16, 2019. One-fourth (1/4th) of the shares subject to the option vest on the first anniversary of the VCD, with one forty-eighth (1/48th) of the shares subject to the original grant vesting on each monthly anniversary thereafter, subject to continued employment with the Issuer through the applicable vesting dates.

SEC source: 0001209191-21-065305 · doc4.xml · nonDerivative · entry 15

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 204,030

F4 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001209191-21-065305 · doc4.xml · nonDerivative · entry 14

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 211,700

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.

SEC source: 0001209191-21-065305 · doc4.xml · nonDerivative · entry 13

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 204,030

F4 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.18 to $108.84, 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 ranges set forth in this footnote.

SEC source: 0001209191-21-065305 · doc4.xml · nonDerivative · entry 12

GRAYSON BLAKE JEFFREY · CIK 0001796825 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 204,830

F4 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.17 to $108.02, 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 ranges set forth in this footnote.