Summit Partners Growth Equity Fund VIII-B, L.P.

SEC source: 0000899243-23-007378 · doc4.xml · nonDerivative · entry 1

SUMMIT PARTNERS L P · CIK 0000830588 · 10% owner

Summit Partners Growth Equity Fund VIII-A, L.P. · CIK 0001514386 · 10% owner

Summit Partners Growth Equity Fund VIII-B, L.P. · CIK 0001514388 · 10% owner

Summit Partners Entrepreneur Advisors Fund I, L.P. · CIK 0001604887 · 10% owner

Summit Investors I, LLC · CIK 0001435565 · 10% owner

Summit Investors I (UK), L.P. · CIK 0001494616 · 10% owner

SUMMIT MASTER COMPANY, LLC · CIK 0001627278 · 10% owner

CHUNG PETER Y · CIK 0001239366 · 10% owner

COLLINS SCOTT C · CIK 0001255670 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 25,004,973

F1 · shares: Represents (i) 181,406 shares of Common Stock sold by Summit Partners Growth Equity Fund VIII-A, L.P., (ii) 66,271 shares of Common Stock sold by Summit Partners Growth Equity Fund VIII-B, L.P., (iii) 1,203 shares of Common Stock sold by Summit Partners Entrepreneur Advisors Fund I, L.P., (iv) 3,473 shares of Common Stock sold by Summit Investors I, LLC and (v) 374 shares of Common Stock sold by Summit Investors I (UK), L.P. The reported sales were effected pursuant to a full exercise by the underwriters of a greenshoe option of the previously reported underwritten public offering that closed on March 3, 2023.

F2 · price: This amount represents a public offering price of $19.00 per share of Common Stock of EngageSmart, Inc. (the "Company"), less an underwriting discount of $0.8075 per share for shares sold in an underwritten public offering.

F3 · balance_after: Consists of (i) 17,948,333 shares of Common Stock held by Summit Partners Growth Equity Fund VIII-A, L.P., (ii) 6,556,911 shares of Common Stock held by Summit Partners Growth Equity Fund VIII-B, L.P.,(iii) 119,071 shares of Common Stock held by Summit Partners Entrepreneur Advisors Fund I, L.P., (iv) 343,615 shares of Common Stock held by Summit Investors I, LLC and (v) 37,043 shares of Common Stock held by Summit Investors I (UK), L.P.

F4 · ownership.nature: Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. Summit Master Company, LLC is the (A) sole managing member of Summit Partners Entrepreneur Advisors GP, LLC, which is the general partner of Summit Partners Entrepreneur Advisors Fund I, L.P., and (B) the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Master Company, LLC, as the sole managing member of Summit Partners Entrepreneur Advisors GP, LLC and

F5 · ownership.nature: (Continued from footnote 4), has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. Investment decisions for Summit Partners, L.P. are made by its two-person Investment Committee, which is currently composed of Scott Collins and Peter Y. Chung. Summit Partners L.P., Scott Collins and Peter Y. Chung each have voting and dispositive authority over the shares held by each of these entities and therefore beneficially owns such shares. Each of the entities affiliated with Summit Partners, L.P. that are mentioned herein and each of Mr. Collins and Mr. Chung disclaims beneficial ownership of the shares of common stock, in each case, except to the extent of it or his pecuniary interest therein.

SEC source: 0000899243-23-007034 · doc4.xml · nonDerivative · entry 1

SUMMIT PARTNERS L P · CIK 0000830588 · 10% owner

Summit Partners Growth Equity Fund VIII-A, L.P. · CIK 0001514386 · 10% owner

Summit Partners Growth Equity Fund VIII-B, L.P. · CIK 0001514388 · 10% owner

Summit Partners Entrepreneur Advisors Fund I, L.P. · CIK 0001604887 · 10% owner

Summit Investors I, LLC · CIK 0001435565 · 10% owner

Summit Investors I (UK), L.P. · CIK 0001494616 · 10% owner

SUMMIT MASTER COMPANY, LLC · CIK 0001627278 · 10% owner

CHUNG PETER Y · CIK 0001239366 · 10% owner

COLLINS SCOTT C · CIK 0001255670 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 25,257,700

F1 · shares: Represents (i) 1,198,029 shares of Common Stock sold by Summit Partners Growth Equity Fund VIII-A, L.P., (ii) 437,666 shares of Common Stock sold by Summit Partners Growth Equity Fund VIII-B, L.P., (iii) 7,948 shares of Common Stock sold by Summit Partners Entrepreneur Advisors Fund I, L.P., (iv) 22,936 shares of Common Stock sold by Summit Investors I, LLC and (v) 2,473 shares of Common Stock sold by Summit Investors I (UK), L.P.

F2 · price: This amount represents a public offering price of $19.00 per share of Common Stock of EngageSmart, Inc. (the "Company"), less an underwriting discount of $0.8075 per share for shares sold in an underwritten public offering.

F3 · balance_after: Consists of (i) 18,129,739 shares of Common Stock held by Summit Partners Growth Equity Fund VIII-A, L.P., (ii) 6,623,182 shares of Common Stock held by Summit Partners Growth Equity Fund VIII-B, L.P.,(iii) 120,274 shares of Common Stock held by Summit Partners Entrepreneur Advisors Fund I, L.P., (iv) 347,088 shares of Common Stock held by Summit Investors I, LLC and (v) 37,417 shares of Common Stock held by Summit Investors I (UK), L.P. This amount includes the underwriters' option to purchase up to an additional 252,727 shares of common stock within 30 days of February 28, 2023.

F4 · ownership.nature: Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. Summit Master Company, LLC is the (A) sole managing member of Summit Partners Entrepreneur Advisors GP, LLC, which is the general partner of Summit Partners Entrepreneur Advisors Fund I, L.P., and (B) the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Master Company, LLC, as the sole managing member of Summit Partners Entrepreneur Advisors GP, LLC and the managing member of Summit Investors Management, LLC,

F5 · ownership.nature: (Continued from footnote 4), has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. Investment decisions for Summit Partners, L.P. are made by its two-person Investment Committee, which is currently composed of Scott Collins and Peter Y. Chung. Summit Partners L.P., Scott Collins and Peter Y. Chung each have voting and dispositive authority over the shares held by each of these entities and therefore beneficially owns such shares. Each of the entities affiliated with Summit Partners, L.P. that are mentioned herein and each of Mr. Collins and Mr. Chung disclaims beneficial ownership of the shares of common stock, in each case, except to the extent of it or his pecuniary interest therein.

SEC source: 0001415889-22-009499 · form4-09092022_010914.xml · nonDerivative · entry 1

SUMMIT PARTNERS L P · CIK 0000830588 · 10% owner

SUMMIT PARTNERS GE VIII, L.P. · CIK 0001593029 · Director · GP of 10% owner

Summit Partners GE VIII, LLC · CIK 0001593948 · Director · GP of 10% owner

Summit Investors Management, LLC · CIK 0001507545 · Manager of GP of 10% Owner

Summit Partners Growth Equity Fund VIII-A, L.P. · CIK 0001514386 · 10% owner

Summit Partners Growth Equity Fund VIII-B, L.P. · CIK 0001514388 · 10% owner

Summit Investors I, LLC · CIK 0001435565 · 10% owner

Summit Investors I (UK), L.P. · CIK 0001494616 · 10% owner

SUMMIT MASTER COMPANY, LLC · CIK 0001627278 · Manager of Manager of 10% owne

MANNION MARTIN J · CIK 0001018067 · Manager of GP of 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Remarks

Disclosed balance after: 5,388,206

F1 · shares: Represents 2,551,588 shares sold by Summit Partners Growth Equity Fund VIII-A, L.P., 932,181 shares sold by Summit Partners Growth Equity Fund VIII-B, L.P., 14,919 shares sold by Summit Investors I, LLC, and 1,312 shares sold by Summit Investors I (UK), L.P.

F2 · balance_after: The reported securities are held as follows: 3,811,230 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 1,392,372 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 22,283 shares in the name of Summit Investors I, LLC; 1,961 shares in the name of Summit Investors I (UK), L.P.; 160,360 shares and restricted stock units in the name of Mr. Chung, which are held for the benefit of Summit Partners, L.P.

F3 · ownership.nature: Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Partners GE VIII, LLC, as the general partner of Summit Partners GE VIII, L.P., and Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC has each delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its Investment Committee responsible for voting and investment decisions with respect to the Company. Summit Partners, L.P., through a two-person Investment Committee, responsible for voting and investment decisions with respect to the Issuer, currently composed of Martin J. Mannion and Peter Y. Chung, has voting and dispositive authority over the shares and restricted stock units reported herein and therefore may be deemed to beneficially own such shares. Each of the Summit entities, Mr. Mannion and Mr. Chung each disclaim beneficial ownership of the shares of common stock and the restricted stock units, except to the extent of their respective pecuniary interest therein.

SEC source: 0001415889-22-007005 · form4-06282022_050645.xml · nonDerivative · entry 1

SUMMIT PARTNERS L P · CIK 0000830588 · 10% owner

SUMMIT PARTNERS GE VIII, L.P. · CIK 0001593029 · Director · GP of 10% owner

Summit Partners GE VIII, LLC · CIK 0001593948 · Director · GP of 10% owner

Summit Investors Management, LLC · CIK 0001507545 · Manager of GP of 10% Owner

Summit Partners Growth Equity Fund VIII-A, L.P. · CIK 0001514386 · 10% owner

Summit Partners Growth Equity Fund VIII-B, L.P. · CIK 0001514388 · 10% owner

Summit Investors I, LLC · CIK 0001435565 · 10% owner

Summit Investors I (UK), L.P. · CIK 0001494616 · 10% owner

SUMMIT MASTER COMPANY, LLC · CIK 0001627278 · Manager of Manager of 10% owne

MANNION MARTIN J · CIK 0001018067 · Manager of GP of 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Remarks

Disclosed balance after: 8,888,206

F1 · shares: Represents restricted stock units granted to Mr. Chung as part of the director compensation program. The restricted stock units will vest on June 24, 2023, and will settle solely by delivery of an equal number of shares of Common Stock provided that Mr. Chung remains in continuous service with the Issuer through the vesting date.

F2 · balance_after: The Common Stock is held as follows: 6,362,818 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 2,324,553 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 37,202 shares in the name of Summit Investors I, LLC; 3,273 shares in the name of Summit Investors I (UK), L.P.; 160,360 shares and restricted stock units in the name of Mr. Chung, which are held for the benefit of Summit Partners, L.P.

F3 · ownership.nature: Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Partners GE VIII, LLC, as the general partner of Summit Partners GE VIII, L.P., and Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC has each delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its Investment Committee responsible for voting and investment decisions with respect to the Company. Summit Partners, L.P., through a two-person Investment Committee, responsible for voting and investment decisions with respect to the Issuer, currently composed of Martin J. Mannion and Peter Y. Chung, has voting and dispositive authority over the shares and restricted stock units reported herein and therefore may be deemed to beneficially own such shares. Each of the Summit entities, Mr. Mannion and Mr. Chung each disclaim beneficial ownership of the shares of common stock and the restricted stock units, except to the extent of their respective pecuniary interest therein.

SEC source: 0001179110-21-010804 · edgar.xml · nonDerivative · entry 1

SUMMIT PARTNERS L P · CIK 0000830588 · Manager of GP of 10% owner

SUMMIT PARTNERS GE VIII, L.P. · CIK 0001593029 · Director · GP of 10% owner

Summit Partners GE VIII, LLC · CIK 0001593948 · Director · GP of 10% owner

Summit Investors Management, LLC · CIK 0001507545 · Manager and GP of 10% Owner

Summit Partners Growth Equity Fund VIII-A, L.P. · CIK 0001514386 · Director · 10% owner

Summit Partners Growth Equity Fund VIII-B, L.P. · CIK 0001514388 · Director · 10% owner

Summit Investors I, LLC · CIK 0001435565 · Director · 10% owner

Summit Investors I (UK), L.P. · CIK 0001494616 · Director · 10% owner

MANNION MARTIN J · CIK 0001018067 · 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: 8,877,890

F1 · shares: The Common Stock sold as follows: 510,318 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 186,436 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 2,984 shares in the name of Summit Investors I, LLC; 262 shares in the name of Summit Investors I (UK), L.P.

F2 · balance_after: The Common Stock held as follows: 6,362,818 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 2,324,553 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 37,202 shares in the name of Summit Investors I, LLC; 3,273 shares in the name of Summit Investors I (UK), L.P.; 150,044 shares (including shares underlying RSUs) in the name of Mr. Chung, which are held for the benefit of Summit Partners, L.P.

F3 · ownership.nature: Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Partners GE VIII, LLC, as the general partner of Summit Partners GE VIII, L.P., and Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC has each delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its Investment Committee responsible for voting and investment decisions with respect to the Company.

F4 · ownership.nature: Summit Partners, L.P., through a two-person Investment Committee responsible for voting and investment decisions with respect to the Company, currently composed of Martin J. Mannion and Mr. Chung, has voting and dispositive authority over the shares of Common Stock held by each of the entities described in the foregoing footnotes (2) and (3) and therefore may be deemed to beneficially own such shares. In addition, Mr. Chung is a member of Summit Master Company, LLC. Each of the Summit entities, Mr. Mannion and Mr. Chung disclaims beneficial ownership of the shares of Common Stock (including shares underlying RSUs) reported herein, except to the extent of their pecuniary interest therein.

SEC source: 0001179110-21-004801 · edgar.xml · nonDerivative · entry 1

SUMMIT PARTNERS L P · CIK 0000830588 · Director · 10% owner · Manager of GP of 10% owner

Summit Partners GE VIII, LLC · CIK 0001593948 · Director · GP of 10% owner

SUMMIT PARTNERS GE VIII, L.P. · CIK 0001593029 · Director · GP of 10% owner

Summit Partners Growth Equity Fund VIII-A, L.P. · CIK 0001514386 · Director · 10% owner

Summit Partners Growth Equity Fund VIII-B, L.P. · CIK 0001514388 · Director · 10% owner

SUMMIT MASTER COMPANY, LLC · CIK 0001627278 · Director · Manager of Manager of 10% owne

Summit Investors Management, LLC · CIK 0001507545 · Director · Manager and GP of 10% Owner

Summit Investors I, LLC · CIK 0001435565 · Director · 10% owner

Summit Investors I (UK), L.P. · CIK 0001494616 · Director · 10% owner

MANNION MARTIN J · CIK 0001018067 · 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: 9,577,890

F1 · shares: Represents restricted stock units ("RSUs") of the Company granted to Mr. Chung as part of the Company's director compensation program. Each share is represented by a RSU. The RSUs will vest on the earlier of the first anniversary of the grant date or the date of the Issuer's next Annual Meeting, subject to the Reporting Person's continued service as of such date. Mr. Chung holds any RSUs for the benefit of Summit Partners, L.P., which he has empowered to determine when the underlying shares of Common Stock will be sold and which is entitled to the proceeds of any such sales.

F2 · balance_after: The Common Stock is held as follows: 6,873,136 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 2,510,989 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 40,186 shares in the name of Summit Investors I, LLC; 3,535 shares in the name of Summit Investors I (UK), L.P.; 150,044 shares (including shares underlying RSUs) in the name of Mr. Chung, which are held for the benefit of Summit Partners, L.P.

F3 · ownership.nature: Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Partners GE VIII, LLC, as the general partner of Summit Partners GE VIII, L.P., and Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC has each delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its Investment Committee responsible for voting and investment decisions with respect to the Company.

F4 · ownership.nature: Summit Partners, L.P., through a two-person Investment Committee responsible for voting and investment decisions with respect to the Company, currently composed of Martin J. Mannion and Mr. Chung, has voting and dispositive authority over the shares of Common Stock held by each of the entities described in the foregoing footnotes (2) and (3) and therefore may be deemed to beneficially own such shares. In addition, Mr. Chung is a member of Summit Master Company, LLC. Each of the Summit entities, Mr. Mannion and Mr. Chung disclaims beneficial ownership of the shares of Common Stock (including shares underlying RSUs) reported herein, except to the extent of their pecuniary interest therein.

SEC source: 0001179110-20-006675 · edgar.xml · nonDerivative · entry 1

SUMMIT PARTNERS L P · CIK 0000830588 · Director · 10% owner · Manager of GP of 10% owner

Summit Partners Growth Equity Fund VIII-A, L.P. · CIK 0001514386 · Director · 10% owner

Summit Partners Growth Equity Fund VIII-B, L.P. · CIK 0001514388 · Director · 10% owner

SUMMIT PARTNERS GE VIII, L.P. · CIK 0001593029 · Director · GP of 10% owner

Summit Partners GE VIII, LLC · CIK 0001593948 · Director · GP of 10% owner

Summit Investors I, LLC · CIK 0001435565 · Director · 10% owner

Summit Investors I (UK), L.P. · CIK 0001494616 · Director · 10% owner

Summit Investors Management, LLC · CIK 0001507545 · Director · Manager and GP of 10% Owner

SUMMIT MASTER COMPANY, LLC · CIK 0001627278 · Director · Manager of Manager of 10% owne

MANNION MARTIN J · CIK 0001018067 · 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: 9,560,941

F1 · shares: Represents restricted stock units ("RSUs") of the Issuer granted to Mr. Chung as part of the Issuer's director compensation program. The RSUs will settle solely by delivery of an equal number of shares of the Issuer's common stock, par value $0.00001 per share ("Common Stock") on the earlier of the first anniversary of the grant date or the date of the 2021 annual meeting of stockholders of the Issuer, subject to the Reporting Person's continued service on the Issuer's board of directors as of such date. Mr. Chung holds any RSUs for the benefit of Summit Partners, L.P., which he has empowered to determine when the underlying shares of Common Stock will be sold and which is entitled to the proceeds of any such sales.

F2 · balance_after: The Common Stock is held as follows: 6,873,136 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 2,510,989 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 40,186 shares in the name of Summit Investors I, LLC; 3,535 shares in the name of Summit Investors I (UK), L.P.; 133,095 shares (including shares underlying RSUs) in the name of Mr. Chung, which are held for the benefit of Summit Partners, L.P.

F3 · ownership.nature: Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its Investment Committee responsible for voting and investment decisions with respect to the Issuer.

F4 · ownership.nature: Summit Partners, L.P., through a two-person Investment Committee responsible for voting and investment decisions with respect to the Issuer, currently composed of Martin J. Mannion and Mr. Chung, has voting and dispositive authority over the shares of Common Stock held by each of the entities described in the foregoing footnotes (2) and (3) and therefore may be deemed to beneficially own such shares. In addition, Mr. Chung is a member of Summit Master Company, LLC. Each of the Summit entities, Mr. Mannion and Mr. Chung disclaims beneficial ownership of the shares of Common Stock (including shares underlying RSUs) reported herein, except to the extent of their pecuniary interest therein.

SEC source: 0001179110-19-012507 · edgar.xml · nonDerivative · entry 1

SUMMIT PARTNERS L P · CIK 0000830588 · Director · 10% owner · Manager of GP of 10% owner

SUMMIT PARTNERS GE VIII, L.P. · CIK 0001593029 · Director · GP of 10% owner

Summit Partners GE VIII, LLC · CIK 0001593948 · Director · GP of 10% owner

Summit Partners Growth Equity Fund VIII-A, L.P. · CIK 0001514386 · Director · 10% owner

Summit Partners Growth Equity Fund VIII-B, L.P. · CIK 0001514388 · Director · 10% owner

Summit Investors Management, LLC · CIK 0001507545 · Director · Manager and GP of 10% Owner

Summit Investors I, LLC · CIK 0001435565 · Director · 10% owner

Summit Investors I (UK), L.P. · CIK 0001494616 · Director · 10% owner

MANNION MARTIN J · CIK 0001018067 · Director · 10% owner

SUMMIT MASTER COMPANY, LLC · CIK 0001627278 · Director · Manager of Manager of 10% owne

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes.

Disclosed balance after: 9,539,076

F1 · shares: Represents restricted stock units granted to Mr. Chung as part of the director compensation program. The restricted stock units will settle solely by delivery of an equal number of shares of Common Stock on the earlier of the first anniversary of the grant date or the date of the Issuer's next Annual Meeting, subject to the Reporting Person's continued service on the board of directors as of such date. Mr. Chung holds any restricted stock units for the benefit of Summit Partners, L.P., which he has empowered to determine when the underlying shares will be sold and which is entitled to the proceeds of any such sales.

F2 · balance_after: The Common Stock is held as follows: 6,873,136 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 2,510,989 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 40,186 shares in the name of Summit Investors I, LLC; 3,535 shares in the name of Summit Investors I (UK), L.P.; 111,230 shares and restricted stock units in the name of Peter Y. Chung, which are held for the benefit of Summit Partners, L.P.

F3 · ownership.nature: Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its Investment Committee responsible for voting and investment decisions with respect to the Issuer.

F4 · ownership.nature: Summit Partners, L.P., through a two-person Investment Committee responsible for voting and investment decisions with respect to the Issuer, currently composed of Martin J. Mannion and Peter Y. Chung, has voting and dispositive authority over the shares held by each of these entities and therefore may be deemed to beneficially own such shares. In addition, Mr. Chung is a member of Summit Master Company, LLC. Each of the Summit entities mentioned herein, Summit Partners, L.P., Summit Master Company, LLC, Mr. Mannion and Mr. Chung disclaims beneficial ownership of the shares of Common Stock and the restricted stock units, except to the extent of their pecuniary interest therein.

SEC source: 0001179110-18-012729 · edgar.xml · nonDerivative · entry 1

SUMMIT PARTNERS L P · CIK 0000830588 · Director · 10% owner · Manager of GP of 10% owner

SUMMIT MASTER COMPANY, LLC · CIK 0001627278 · Director · Manager of Manager of 10% owne

SUMMIT PARTNERS GE VIII, L.P. · CIK 0001593029 · Director · GP of 10% owner

Summit Partners GE VIII, LLC · CIK 0001593948 · Director · GP of 10% owner

Summit Partners Growth Equity Fund VIII-A, L.P. · CIK 0001514386 · Director · 10% owner

Summit Partners Growth Equity Fund VIII-B, L.P. · CIK 0001514388 · Director · 10% owner

Summit Investors Management, LLC · CIK 0001507545 · Director · Manager and GP of 10% Owner

Summit Investors I, LLC · CIK 0001435565 · Director · 10% owner

Summit Investors I (UK), L.P. · CIK 0001494616 · Director · 10% owner

MANNION MARTIN J · CIK 0001018067 · 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: 9,515,529

F1 · shares: Represents restricted stock units granted to Mr. Chung as part of the director compensation program. The restricted stock units will settle solely by delivery of an equal number of shares of Common Stock on the earlier of the first anniversary of the grant date or the date of the Issuer's next Annual Meeting, subject to the Reporting Person's continued service on the board of directors as of such date. Mr. Chung holds any restricted stock units for the benefit of Summit Partners, L.P., which he has empowered to determine when the underlying shares will be sold and which is entitled to the proceeds of any such sales.

F2 · balance_after: The Common Stock is held as follows: 6,873,136 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 2,510,989 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 40,186 shares in the name of Summit Investors I, LLC; 3,535 shares in the name of Summit Investors I (UK), L.P.; 87,683 shares and restricted stock units in the name of Peter Y. Chung, which are held for the benefit of Summit Partners, L.P.

F3 · ownership.nature: Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its Investment Committee responsible for voting and investment decisions with respect to the Issuer.

F4 · ownership.nature: Summit Partners, L.P., through a two-person Investment Committee responsible for voting and investment decisions with respect to the Issuer, currently composed of Martin J. Mannion and Peter Y. Chung, has voting and dispositive authority over the shares held by each of these entities and therefore may be deemed to beneficially own such shares. In addition, Mr. Chung is a member of Summit Master Company, LLC. Each of the Summit entities mentioned herein, Summit Partners, L.P., Summit Master Company, LLC, Mr. Mannion and Mr. Chung disclaims beneficial ownership of the shares of Common Stock and the restricted stock units, except to the extent of their pecuniary interest therein.

SEC source: 0001179110-17-008431 · edgar.xml · nonDerivative · entry 1

SUMMIT PARTNERS L P · CIK 0000830588 · 10% owner · Manager of GP of 10% owner

SUMMIT MASTER COMPANY, LLC · CIK 0001627278 · Manager of Manager of 10% owne

SUMMIT PARTNERS GE VIII, L.P. · CIK 0001593029 · GP of 10% owner

Summit Partners GE VIII, LLC · CIK 0001593948 · GP of 10% owner

Summit Partners Growth Equity Fund VIII-A, L.P. · CIK 0001514386 · 10% owner

Summit Partners Growth Equity Fund VIII-B, L.P. · CIK 0001514388 · 10% owner

Summit Investors I, LLC · CIK 0001435565 · 10% owner

Summit Investors I (UK), L.P. · CIK 0001494616 · 10% owner

Summit Investors Management, LLC · CIK 0001507545 · Manager and GP of 10% Owner

MANNION MARTIN J · CIK 0001018067 · 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: 9,492,417

F1 · shares: Represents restricted stock units granted to Mr. Chung as part of the director compensation program. The restricted stock units will settle solely by delivery of an equal number of shares of Common Stock on the first anniversary of the grant date, subject to the Reporting Person's continued service on the board of directors as of such date. Mr. Chung holds any restricted stock units for the benefit of Summit Partners, L.P., which he has empowered to determine when the underlying shares will be sold and which is entitled to the proceeds of any such sales.

F2 · balance_after: The Common Stock is held as follows: 6,873,136 shares in the name of Summit Partners Growth Equity Fund VIII-A, L.P.; 2,510,989 shares in the name of Summit Partners Growth Equity Fund VIII-B, L.P.; 40,186 shares in the name of Summit Investors I, LLC; 3,535 shares in the name of Summit Investors I (UK), L.P.; 64,571 shares and restricted stock units in the name of Peter Y. Chung, which are held for the benefit of Summit Partners, L.P.

F3 · ownership.nature: Summit Partners, L.P. is the managing member of Summit Partners GE VIII, LLC, which is the general partner of Summit Partners GE VIII, L.P., which is the general partner of each of Summit Partners Growth Equity Fund VIII-A, L.P. and Summit Partners Growth Equity Fund VIII-B, L.P. Summit Master Company, LLC is the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors I, LLC and the general partner of Summit Investors I (UK), L.P. Summit Master Company, LLC, as the managing member of Summit Investors Management, LLC has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its Investment Committee responsible for voting and investment decisions with respect to the Issuer.

F4 · ownership.nature: Summit Partners, L.P., through a two-person Investment Committee responsible for voting and investment decisions with respect to the Issuer, currently composed of Martin J. Mannion and Peter Y. Chung, has voting and dispositive authority over the shares held by each of these entities and therefore may be deemed to beneficially own such shares. In addition, Mr. Chung is a member of Summit Master Company, LLC. Each of the Summit entities mentioned herein, Summit Partners, L.P., Summit Master Company, LLC, Mr. Mannion and Mr. Chung disclaims beneficial ownership of the shares of Common Stock and the restricted stock units, except to the extent of their pecuniary interest therein.