TTD

SEC source: 0001671933-24-000108 · wk-form4_1728436918.xml · nonDerivative · entry 2

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 287,979

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $112.85 to $113.80, 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.

F3 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000108 · wk-form4_1728436918.xml · nonDerivative · entry 1

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 430,243

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $111.85 to $112.84, 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.

F3 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000107 · wk-form4_1727915523.xml · derivative · entry 9

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,449,201

Underlying: Class A Common Stock · 56,649 shares

Expires 2031-10-06

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_date: The shares subject to the option vest in eight tranches over a ten-year term beginning on October 6, 2021, (the "Grant Date"), and ending on October 6, 2031, (i) if the closing price of Issuer's Class A Common Stock measured over any 30-consecutive-trading-day period equals or exceeds $90.00, $115.00, $145.00, $185.00, $225.00, $260.00, $300.00 or $340.00, respectively, and (ii) for the first four years following the Grant Date, subject to continued service as the Issuer's Chief Executive Officer as of the applicable vesting date, and thereafter subject to continued service for the Issuer as of the applicable vesting date as Chief Executive Officer or in another role to be determined by the board of directors.

F6 · balance_after: The original target level of shares subject to this option was an aggregate of 16,000,000 shares; the actual number of shares of Class A Common Stock issuable upon vesting is subject to adjustment based on the greatest result of three tests tied to the stock price of the Issuer's Class A Common Stock relative to performance of the companies comprising the Nasdaq-100 Index as of the Grant Date and may range from 80% to 120% of the target level (12,800,000 to 19,200,000 shares in the aggregate). The number of awards shown of 18,449,201 is at the highest level of 19,200,000 net of 750,799 shares exercised through the Transaction Date.

SEC source: 0001671933-24-000107 · wk-form4_1727915523.xml · nonDerivative · entry 6

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 487,979

F1 · kind: Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person.

F2 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000107 · wk-form4_1727915523.xml · nonDerivative · entry 5

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146,501

F1 · kind: Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person.

SEC source: 0001671933-24-000107 · wk-form4_1727915523.xml · nonDerivative · entry 4

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 203,150

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: 0001671933-24-000107 · wk-form4_1727915523.xml · derivative · entry 8

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,505,850

Underlying: Class A Common Stock · 224,000 shares

Expires 2031-10-06

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_date: The shares subject to the option vest in eight tranches over a ten-year term beginning on October 6, 2021, (the "Grant Date"), and ending on October 6, 2031, (i) if the closing price of Issuer's Class A Common Stock measured over any 30-consecutive-trading-day period equals or exceeds $90.00, $115.00, $145.00, $185.00, $225.00, $260.00, $300.00 or $340.00, respectively, and (ii) for the first four years following the Grant Date, subject to continued service as the Issuer's Chief Executive Officer as of the applicable vesting date, and thereafter subject to continued service for the Issuer as of the applicable vesting date as Chief Executive Officer or in another role to be determined by the board of directors.

F5 · balance_after: The original target level of shares subject to this option was an aggregate of 16,000,000 shares; the actual number of shares of Class A Common Stock issuable upon vesting is subject to adjustment based on the greatest result of three tests tied to the stock price of the Issuer's Class A Common Stock relative to performance of the companies comprising the Nasdaq-100 Index as of the Grant Date and may range from 80% to 120% of the target level (12,800,000 to 19,200,000 shares in the aggregate). The number of awards shown of 18,505,850 is at the highest level of 19,200,000 net of 694,150 shares exercised through the Transaction Date.

SEC source: 0001671933-24-000107 · wk-form4_1727915523.xml · nonDerivative · entry 3

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 431,330

F1 · kind: Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person.

F2 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000107 · wk-form4_1727915523.xml · nonDerivative · entry 2

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146,501

F1 · kind: Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person.

SEC source: 0001671933-24-000107 · wk-form4_1727915523.xml · nonDerivative · entry 1

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 370,501

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: 0001671933-24-000106 · wk-form4_1727908610.xml · derivative · entry 14

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 80,239

Underlying: Class A Common Stock · 7,765 shares

Expires 2033-04-24

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

F10 · derivative.exercise_date: The option was granted on April 24, 2023, the VCD. One forty-eighth of the shares subject to the original grant vest on each monthly anniversary thereafter subject to continued employment with the Issuer through the applicable vesting dates.

SEC source: 0001671933-24-000106 · wk-form4_1727908610.xml · derivative · entry 13

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 32,660

Underlying: Class A Common Stock · 5,157 shares

Expires 2032-04-26

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_date: The option was granted on April 26, 2022, the VCD. One forty-eighth of the shares subject to the original grant vest on each monthly anniversary thereafter subject to continued employment with the Issuer through the applicable vesting dates.

SEC source: 0001671933-24-000106 · wk-form4_1727908610.xml · derivative · entry 12

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,950

Underlying: Class A Common Stock · 3,840 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.

F8 · derivative.exercise_date: The option was granted on April 28, 2021, the VCD. One forty-eighth of the shares subject to the original grant vest on each monthly anniversary thereafter subject to continued employment with the Issuer through the applicable vesting dates.

SEC source: 0001671933-24-000106 · wk-form4_1727908610.xml · derivative · entry 11

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,030

Underlying: Class A Common Stock · 3,080 shares

Expires 2030-10-05

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_date: The option was granted on October 5, 2020, the Vesting Commencement Date ("VCD"). 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: 0001671933-24-000106 · wk-form4_1727908610.xml · nonDerivative · entry 10

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 178,853

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 8, 2024 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001671933-24-000106 · wk-form4_1727908610.xml · nonDerivative · entry 9

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 178,953

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 8, 2024 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 $108.18 to $109.08, 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: 0001671933-24-000106 · wk-form4_1727908610.xml · nonDerivative · entry 8

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,590

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 8, 2024 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 $108.83 to $109.35, 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: 0001671933-24-000106 · wk-form4_1727908610.xml · nonDerivative · entry 7

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 187,355

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: 0001671933-24-000106 · wk-form4_1727908610.xml · nonDerivative · entry 6

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,590

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 8, 2024 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 $108.38 to $108.83, 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: 0001671933-24-000106 · wk-form4_1727908610.xml · nonDerivative · entry 5

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 184,747

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: 0001671933-24-000106 · wk-form4_1727908610.xml · nonDerivative · entry 4

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,590

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 8, 2024 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 $108.28 to $108.38, 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: 0001671933-24-000106 · wk-form4_1727908610.xml · nonDerivative · entry 3

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 183,430

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: 0001671933-24-000106 · wk-form4_1727908610.xml · nonDerivative · entry 2

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,590

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 8, 2024 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 $108.14 to $108.28, 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: 0001671933-24-000106 · wk-form4_1727908610.xml · nonDerivative · entry 1

GRANT JAY R · CIK 0001826731 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 182,670

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: 0001671933-24-000105 · wk-form4_1727482494.xml · nonDerivative · entry 9

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 207,330

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $111.17 to $112.00, 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.

F3 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000105 · wk-form4_1727482494.xml · nonDerivative · entry 8

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 213,330

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $110.16 to $111.12, 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.

F3 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000105 · wk-form4_1727482494.xml · nonDerivative · entry 7

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 222,637

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $109.15 to $110.14, 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.

F3 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000105 · wk-form4_1727482494.xml · nonDerivative · entry 6

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 324,126

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $108.15 to $109.14, 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.

F3 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000105 · wk-form4_1727482494.xml · derivative · entry 11

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,729,850

Underlying: Class A Common Stock · 42,150 shares

Expires 2031-10-06

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_date: The shares subject to the option vest in eight tranches over a ten-year term beginning on October 6, 2021, (the "Grant Date"), and ending on October 6, 2031, (i) if the closing price of Issuer's Class A Common Stock measured over any 30-consecutive-trading-day period equals or exceeds $90.00, $115.00, $145.00, $185.00, $225.00, $260.00, $300.00 or $340.00, respectively, and (ii) for the first four years following the Grant Date, subject to continued service as the Issuer's Chief Executive Officer as of the applicable vesting date, and thereafter subject to continued service for the Issuer as of the applicable vesting date as Chief Executive Officer or in another role to be determined by the board of directors.

F12 · balance_after: The original target level of shares subject to this option was an aggregate of 16,000,000 shares; the actual number of shares of Class A Common Stock issuable upon vesting is subject to adjustment based on the greatest result of three tests tied to the stock price of the Issuer's Class A Common Stock relative to performance of the companies comprising the Nasdaq-100 Index as of the Grant Date and may range from 80% to 120% of the target level (12,800,000 to 19,200,000 shares in the aggregate). The number of awards shown of 18,729,850 is at the highest level of 19,200,000 net of 470,150 shares exercised through the Transaction Date.

SEC source: 0001671933-24-000105 · wk-form4_1727482494.xml · nonDerivative · entry 5

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 407,330

F5 · kind: Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person.

F3 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000105 · wk-form4_1727482494.xml · nonDerivative · entry 4

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 146,501

F5 · kind: Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person.

SEC source: 0001671933-24-000105 · wk-form4_1727482494.xml · nonDerivative · entry 3

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 188,651

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: 0001671933-24-000105 · wk-form4_1727482494.xml · nonDerivative · entry 2

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 365,180

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $111.01 to $111.24, 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.

F3 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000105 · wk-form4_1727482494.xml · nonDerivative · entry 1

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 369,925

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $110.01 to $111.00, 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.

F3 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000104 · wk-form4_1727386654.xml · nonDerivative · entry 1

Rajaram Gokul · CIK 0001589043 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,991

F1 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001671933-24-000103 · wk-form4_1727221390.xml · nonDerivative · entry 9

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 565,180

F3 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $109.99 to $110.20, 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 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000103 · wk-form4_1727221390.xml · nonDerivative · entry 8

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 569,280

F3 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $108.94 to $109.62, 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 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000103 · wk-form4_1727221390.xml · nonDerivative · entry 7

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 594,487

F3 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $107.94 to $108.93, 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 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000103 · wk-form4_1727221390.xml · derivative · entry 12

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 251,645

Underlying: Class A Common Stock · 20,968 shares

Expires 2033-04-24

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_date: The option was granted on April 24, 2023, 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.

SEC source: 0001671933-24-000103 · wk-form4_1727221390.xml · derivative · entry 11

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,772,000

Underlying: Class A Common Stock · 428,000 shares

Expires 2031-10-06

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

F10 · derivative.exercise_date: The shares subject to the option vest in eight tranches over a ten-year term beginning on October 6, 2021, (the "Grant Date"), and ending on October 6, 2031, (i) if the closing price of Issuer's Class A Common Stock measured over any 30-consecutive-trading-day period equals or exceeds $90.00, $115.00, $145.00, $185.00, $225.00, $260.00, $300.00 or $340.00, respectively, and (ii) for the first four years following the Grant Date, subject to continued service as the Issuer's Chief Executive Officer as of the applicable vesting date, and thereafter subject to continued service for the Issuer as of the applicable vesting date as Chief Executive Officer or in another role to be determined by the board of directors.

F11 · balance_after: The original target level of shares subject to this option was an aggregate of 16,000,000 shares; the actual number of shares of Class A Common Stock issuable upon vesting is subject to adjustment based on the greatest result of three tests tied to the stock price of the Issuer's Class A Common Stock relative to performance of the companies comprising the Nasdaq-100 Index as of the Grant Date, and may range from 80% to 120% of the target level (12,800,000 to 19,200,000 shares in the aggregate). The number of awards shown of 18,772,000 is at the highest level of 19,200,000 net of 428,000 shares exercised through the Transaction Date.

SEC source: 0001671933-24-000103 · wk-form4_1727221390.xml · nonDerivative · entry 6

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 765,180

F3 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $109.53 to $110.20, 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 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000103 · wk-form4_1727221390.xml · nonDerivative · entry 5

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 849,561

F3 · kind: The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024 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 $108.53 to $109.52, 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 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000103 · wk-form4_1727221390.xml · nonDerivative · entry 4

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 965,180

F1 · kind: Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person.

F2 · ownership.nature: Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust.

SEC source: 0001671933-24-000103 · wk-form4_1727221390.xml · nonDerivative · entry 3

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 146,501

F1 · kind: Represents a transfer of shares from the Reporting Person to a trust held by the Reporting Person.

SEC source: 0001671933-24-000103 · wk-form4_1727221390.xml · nonDerivative · entry 2

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 595,469

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: 0001671933-24-000103 · wk-form4_1727221390.xml · nonDerivative · entry 1

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 574,501

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: 0001671933-24-000101 · wk-form4_1725052851.xml · derivative · entry 13

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 272,613

Underlying: Class A Common Stock · 72,500 shares

Expires 2033-04-24

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_date: The option was granted on April 24, 2023, 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.

SEC source: 0001671933-24-000101 · wk-form4_1725052851.xml · derivative · entry 12

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 53,450 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.

F8 · derivative.exercise_date: The option was granted on May 15, 2020, the VCD. The option vested over four years in increments on each monthly anniversary of the VCD according to the following schedule: an aggregate of 97,270, 97,280 and 97,280 shares vested during the twelve month periods ending on May 15, 2021, 2022 and 2023, respectively, and an aggregate of 93,950 shares vested during the twelve month period ending May 15, 2024, in each case, subject to continued employment with the Issuer through the applicable vesting dates.

SEC source: 0001671933-24-000101 · wk-form4_1725052851.xml · derivative · entry 11

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,330 shares

Expires 2025-05-15

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.

F6 · derivative.exercise_price: This option was previously reported as covering 333 shares at an exercise price of $330.01 per share but was adjusted to reflect a 10-for-1 stock split effective June 16, 2021.

F7 · derivative.exercise_date: The option was granted on May 15, 2020, with a VCD of December 15, 2023. One-fifth (1/5th) 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.

SEC source: 0001671933-24-000101 · wk-form4_1725052851.xml · derivative · entry 10

Green Jeffrey Terry · CIK 0001671445 · Director · President and CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,730 shares

Expires 2029-12-09

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_date: The option was granted on December 9, 2019, the VCD. The option vested over four years in increments on each monthly anniversary of the VCD according to the following schedule: an aggregate of 72,650 shares vested during each of the calendar years 2020, 2021 and 2022 and an aggregate of 68,650 shares vested during calendar year 2023, in each case, subject to continued employment with the Issuer through the applicable vesting dates.