GTM

SEC source: 0001209191-21-054986 · doc4.xml · derivative · entry 26

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,229,365

Underlying: Class A Common Stock · 36,629 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.

F15 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F8 · ownership.nature: Securities are held by TA XI DO AIV II, L.P. ("XI DO AIV II").

SEC source: 0001209191-21-054986 · doc4.xml · derivative · entry 25

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 42,049

Underlying: Class A Common Stock · 691 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.

F15 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F7 · ownership.nature: Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II").

SEC source: 0001209191-21-054986 · doc4.xml · derivative · entry 24

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,230,718

Underlying: Class A Common Stock · 20,803 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.

F15 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F6 · ownership.nature: Securities are held by TA Investors IV, L.P. ("Investors IV").

SEC source: 0001209191-21-054986 · doc4.xml · derivative · entry 23

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,722,842

Underlying: Class A Common Stock · 96,734 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.

F15 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F5 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-A, L.P. ("Atlantic & Pacific VII-A").

SEC source: 0001209191-21-054986 · doc4.xml · derivative · entry 22

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 855,461

Underlying: Class A Common Stock · 14,460 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.

F15 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F4 · ownership.nature: Securities are held by TA SDF III DO AIV, L.P. ("SDF III DO").

SEC source: 0001209191-21-054986 · doc4.xml · derivative · entry 21

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 33,137,663

Underlying: Class A Common Stock · 560,127 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.

F15 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F15 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F2 · ownership.nature: Securities are held by TA XI DO AIV, L.P. ("XI DO AIV").

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 20

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to the full exercise by the underwriters of a greenshoe option of the previously reported underwritten secondary offering that closed on August 11, 2021.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F13 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-B, L.P. ("Atlantic & Pacific VII-B").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 19

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to the full exercise by the underwriters of a greenshoe option of the previously reported underwritten secondary offering that closed on August 11, 2021.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F12 · ownership.nature: Securities are held by TA XI DO Feeder, L.P ("XI DO").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 18

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to the full exercise by the underwriters of a greenshoe option of the previously reported underwritten secondary offering that closed on August 11, 2021.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F11 · ownership.nature: Securities are held by TA SDF III DO Feeder, L.P. ("SDF III Feeder").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 17

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to the full exercise by the underwriters of a greenshoe option of the previously reported underwritten secondary offering that closed on August 11, 2021.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F9 · ownership.nature: Securities are held by TA AP VII-B DO Subsidiary Partnership, L.P. ("AP VII-B").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 16

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to the full exercise by the underwriters of a greenshoe option of the previously reported underwritten secondary offering that closed on August 11, 2021.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F8 · ownership.nature: Securities are held by TA XI DO AIV II, L.P. ("XI DO AIV II").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 15

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to the full exercise by the underwriters of a greenshoe option of the previously reported underwritten secondary offering that closed on August 11, 2021.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F7 · ownership.nature: Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 14

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to the full exercise by the underwriters of a greenshoe option of the previously reported underwritten secondary offering that closed on August 11, 2021.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F6 · ownership.nature: Securities are held by TA Investors IV, L.P. ("Investors IV").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 13

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to the full exercise by the underwriters of a greenshoe option of the previously reported underwritten secondary offering that closed on August 11, 2021.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F5 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-A, L.P. ("Atlantic & Pacific VII-A").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 12

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to the full exercise by the underwriters of a greenshoe option of the previously reported underwritten secondary offering that closed on August 11, 2021.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F4 · ownership.nature: Securities are held by TA SDF III DO AIV, L.P. ("SDF III DO").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 11

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to the full exercise by the underwriters of a greenshoe option of the previously reported underwritten secondary offering that closed on August 11, 2021.

F2 · ownership.nature: Securities are held by TA XI DO AIV, L.P. ("XI DO AIV").

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 10

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 131,451

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 · price: Shares of the Issuer's Class C Common Stock were converted on a one-for-one basis for shares of Class A Common Stock of the Issuer.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F13 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-B, L.P. ("Atlantic & Pacific VII-B").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 9

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 146,518

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 · price: Shares of the Issuer's Class C Common Stock were converted on a one-for-one basis for shares of Class A Common Stock of the Issuer.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F12 · ownership.nature: Securities are held by TA XI DO Feeder, L.P ("XI DO").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 8

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,763

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 · price: Shares of the Issuer's Class C Common Stock were converted on a one-for-one basis for shares of Class A Common Stock of the Issuer.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F11 · ownership.nature: Securities are held by TA SDF III DO Feeder, L.P. ("SDF III Feeder").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 7

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 32,863

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

F1 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F9 · ownership.nature: Securities are held by TA AP VII-B DO Subsidiary Partnership, L.P. ("AP VII-B").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 6

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 36,629

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

F1 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F8 · ownership.nature: Securities are held by TA XI DO AIV II, L.P. ("XI DO AIV II").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 5

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 691

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

F1 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F7 · ownership.nature: Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 4

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 20,803

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

F1 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F6 · ownership.nature: Securities are held by TA Investors IV, L.P. ("Investors IV").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 3

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 96,734

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

F1 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F5 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-A, L.P. ("Atlantic & Pacific VII-A").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 2

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 14,460

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

F1 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F4 · ownership.nature: Securities are held by TA SDF III DO AIV, L.P. ("SDF III DO").

SEC source: 0001209191-21-054986 · doc4.xml · nonDerivative · entry 1

TA Atlantic & Pacific VII-B L.P. · CIK 0001548682 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 560,127

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

F1 · price: Units of ZoomInfo Holdings LLC ("Opco"), which represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, were exchanged on a one-for-one basis for shares of Class A Common Stock of the Issuer pursuant to the amended and restated limited liability company agreement of Opco.

F2 · ownership.nature: Securities are held by TA XI DO AIV, L.P. ("XI DO AIV").

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

SEC source: 0001794515-21-000266 · wf-form4_163071649910260.xml · nonDerivative · entry 1

HSKB Funds II, LLC · CIK 0001834202 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,630,803

F1 · kind: Reflects a distribution of Class A Common Stock of ZoomInfo Technologies Inc. ("ZoomInfo") to one or more employees of ZoomInfo and its subsidiaries.

SEC source: 0001209191-21-054736 · doc4.xml · derivative · entry 30

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,908,230

Underlying: Class A Common Stock · 15,027 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.

F17 · derivative.exercise_price: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.exercise_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.expiration_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F13 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-B, L.P. ("Atlantic & Pacific VII-B").

SEC source: 0001209191-21-054736 · doc4.xml · derivative · entry 29

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 8,814,628

Underlying: Class A Common Stock · 16,749 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.

F17 · derivative.exercise_price: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.exercise_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.expiration_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F12 · ownership.nature: Securities are held by TA XI DO Feeder, L.P ("XI DO").

SEC source: 0001209191-21-054736 · doc4.xml · derivative · entry 28

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 166,219

Underlying: Class A Common Stock · 316 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.

F17 · derivative.exercise_price: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.exercise_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F17 · derivative.expiration_date: The Class C Common Stock is convertible at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer and has no expiration date. Upon any transfer of shares of Class C Common Stock, whether or not for value, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain transfers described in the Issuer's amended and restated certificate of incorporation. The shares of Class C Common Stock will convert automatically into Class A Common Stock, on a one-for-one basis, when the aggregate number of outstanding shares of the Company's Class B Common Stock and Class C Common Stock represents less than 5% of the aggregate number of the Company's outstanding shares of Common Stock. The shares of Class C Common Stock have ten votes per share.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F11 · ownership.nature: Securities are held by TA SDF III DO Feeder, L.P. ("SDF III Feeder").

SEC source: 0001209191-21-054736 · doc4.xml · derivative · entry 27

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,034,939

Underlying: Class A Common Stock · 3,757 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F9 · ownership.nature: Securities are held by TA AP VII-B DO Subsidiary Partnership, L.P. ("AP VII-B").

SEC source: 0001209191-21-054736 · doc4.xml · derivative · entry 26

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,265,994

Underlying: Class A Common Stock · 4,187 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F8 · ownership.nature: Securities are held by TA XI DO AIV II, L.P. ("XI DO AIV II").

SEC source: 0001209191-21-054736 · doc4.xml · derivative · entry 25

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 42,740

Underlying: Class A Common Stock · 79 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F7 · ownership.nature: Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II").

SEC source: 0001209191-21-054736 · doc4.xml · derivative · entry 24

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,251,521

Underlying: Class A Common Stock · 2,378 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F6 · ownership.nature: Securities are held by TA Investors IV, L.P. ("Investors IV").

SEC source: 0001209191-21-054736 · doc4.xml · derivative · entry 23

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,819,576

Underlying: Class A Common Stock · 11,058 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F5 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-A, L.P. ("Atlantic & Pacific VII-A").

SEC source: 0001209191-21-054736 · doc4.xml · derivative · entry 22

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 869,921

Underlying: Class A Common Stock · 1,653 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F4 · ownership.nature: Securities are held by TA SDF III DO AIV, L.P. ("SDF III DO").

SEC source: 0001209191-21-054736 · doc4.xml · derivative · entry 21

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 33,697,790

Underlying: Class A Common Stock · 64,029 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.

F16 · derivative.exercise_price: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.exercise_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F16 · derivative.expiration_date: Units of Opco represent limited liability company units of Opco and a corresponding number of shares of Class B Common Stock of the Issuer, which together are exchangeable at the option of the holder on a one-for-one basis for shares of Class A Common Stock of the Issuer, subject to customary conversion rate adjustments for stock splits, stock dividends, and reclassifications, pursuant to the amended and restated limited liability company agreement of Opco and have no expiration date. The shares of Class B Common Stock (i) confer no incidents of economic ownership on the holders thereof and (ii) only confer ten-to-one voting rights on the holders thereof.

F2 · ownership.nature: Securities are held by TA XI DO AIV, L.P. ("XI DO AIV").

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 20

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $65.00 to $65.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F13 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-B, L.P. ("Atlantic & Pacific VII-B").

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 19

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $65.00 to $65.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F12 · ownership.nature: Securities are held by TA XI DO Feeder, L.P ("XI DO").

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 18

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $65.00 to $65.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F11 · ownership.nature: Securities are held by TA SDF III DO Feeder, L.P. ("SDF III Feeder").

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 17

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $65.00 to $65.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F9 · ownership.nature: Securities are held by TA AP VII-B DO Subsidiary Partnership, L.P. ("AP VII-B").

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 16

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $65.00 to $65.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F8 · ownership.nature: Securities are held by TA XI DO AIV II, L.P. ("XI DO AIV II").

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 15

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $65.00 to $65.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F7 · ownership.nature: Securities are held by TA SDF III DO AIV II, L.P. ("SDF III DO AIV II").

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 14

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $65.00 to $65.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F6 · ownership.nature: Securities are held by TA Investors IV, L.P. ("Investors IV").

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 13

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $65.00 to $65.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F5 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-A, L.P. ("Atlantic & Pacific VII-A").

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 12

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $65.00 to $65.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F4 · ownership.nature: Securities are held by TA SDF III DO AIV, L.P. ("SDF III DO").

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 11

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F14 · kind: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted on December 6, 2020.

F15 · price: Reflects a weighted-average sale price. The shares were sold in multiple transactions at prices ranging from $65.00 to $65.19. The Reporting Persons will provide upon request to the Securities and Exchange Commission, the Company or security holder of the Company, full information regarding the number of shares sold at each separate price.

F2 · ownership.nature: Securities are held by TA XI DO AIV, L.P. ("XI DO AIV").

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 10

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 15,027

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 · price: Shares of the Issuer's Class C Common Stock were converted on a one-for-one basis for shares of Class A Common Stock of the Issuer.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F13 · ownership.nature: Securities are held by TA Atlantic & Pacific VII-B, L.P. ("Atlantic & Pacific VII-B").

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 9

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 16,749

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 · price: Shares of the Issuer's Class C Common Stock were converted on a one-for-one basis for shares of Class A Common Stock of the Issuer.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F12 · ownership.nature: Securities are held by TA XI DO Feeder, L.P ("XI DO").

SEC source: 0001209191-21-054736 · doc4.xml · nonDerivative · entry 8

TA ASSOCIATES, L.P. · CIK 0001034569 · Director · 10% owner

TA XI DO AIV, L.P. · CIK 0001609536 · Director · 10% owner

TA SDF III DO AIV, L.P. · CIK 0001609553 · Director · 10% owner

TA Atlantic & Pacific VII-A L.P. · CIK 0001548681 · Director · 10% owner

TA INVESTORS IV, L.P. · CIK 0001578035 · Director · 10% owner

TA SDF III DO AIV II, L.P. · CIK 0001812605 · Director · 10% owner

TA XI DO AIV II, L.P. · CIK 0001812606 · Director · 10% owner

TA AP VII-B DO Subsidiary Partnership, L.P. · CIK 0001812579 · Director · 10% owner

TA SDF III DO Feeder, L.P. · CIK 0001609557 · Director · 10% owner

TA XI DO Feeder, L.P. · CIK 0001609539 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 316

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 · price: Shares of the Issuer's Class C Common Stock were converted on a one-for-one basis for shares of Class A Common Stock of the Issuer.

F3 · ownership.nature: TA Associates, L.P. is the ultimate general partner of each of XI DO, SDF III Feeder, Atlantic & Pacific VII-B, XI DO AIV, SDF III DO, Atlantic & Pacific VII-A, Investors IV, AP VII-B, SDF III DO AIV II and XI DO AIV II (collectively, the "TA Associates Funds"). Investment and voting control of the TA Associates Funds is held by TA Associates, L.P. Todd R. Crockett and Jason S. Mironov are directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest in such securities, if any.

F11 · ownership.nature: Securities are held by TA SDF III DO Feeder, L.P. ("SDF III Feeder").