Spectrum Equity VII, L.P.

SEC source: 0001193125-25-241424 · ownership.xml · nonDerivative · entry 6

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 0

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.000 to $4.005 per share, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0001193125-25-241424 · ownership.xml · nonDerivative · entry 5

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 0

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.000 to $4.005 per share, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0001193125-25-241424 · ownership.xml · derivative · entry 9

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 8,569 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0001193125-25-241424 · ownership.xml · derivative · entry 8

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 15,202 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0001193125-25-241424 · ownership.xml · derivative · entry 7

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 8,881,362 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0001193125-25-241424 · ownership.xml · nonDerivative · entry 4

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 0

F3 · kind: Spectrum Equity VII, L.P. made a pro rata distribution of 8,881,362 shares of Class A Shares to its general partner and limited partners for no consideration on October 14, 2025.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0001193125-25-241424 · ownership.xml · nonDerivative · entry 3

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 8,569

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0001193125-25-241424 · ownership.xml · nonDerivative · entry 2

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 15,202

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0001193125-25-241424 · ownership.xml · nonDerivative · entry 1

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 8,881,362

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-113547 · ownership.xml · nonDerivative · entry 6

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 0

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-113547 · ownership.xml · nonDerivative · entry 5

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 0

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-113547 · ownership.xml · derivative · entry 9

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 8,569

Underlying: Class A Common Stock · 5,773 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-113547 · ownership.xml · derivative · entry 8

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 15,202

Underlying: Class A Common Stock · 10,243 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-113547 · ownership.xml · derivative · entry 7

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 8,881,362

Underlying: Class A Common Stock · 5,983,984 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-113547 · ownership.xml · nonDerivative · entry 4

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 0

F3 · kind: Spectrum Equity VII, L.P. made a pro rata distribution of 5,983,984 shares of Class A Shares to its general partner and limited partners for no consideration on September 4, 2025.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-113547 · ownership.xml · nonDerivative · entry 3

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 5,773

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-113547 · ownership.xml · nonDerivative · entry 2

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 10,243

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-113547 · ownership.xml · nonDerivative · entry 1

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 5,983,984

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-094086 · ownership.xml · nonDerivative · entry 6

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 0

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.69 to $4.82 per share, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-094086 · ownership.xml · nonDerivative · entry 5

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 0

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.69 to $4.82 per share, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-094086 · ownership.xml · derivative · entry 9

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 14,342

Underlying: Class A Common Stock · 3,849 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-094086 · ownership.xml · derivative · entry 8

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 25,445

Underlying: Class A Common Stock · 6,828 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-094086 · ownership.xml · derivative · entry 7

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 14,865,346

Underlying: Class A Common Stock · 3,989,323 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-094086 · ownership.xml · nonDerivative · entry 4

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 0

F3 · kind: Spectrum Equity VII, L.P. made a pro rata distribution of 3,989,323 shares of Class A Shares to its general partner and limited partners for no consideration on July 2, 2025.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-094086 · ownership.xml · nonDerivative · entry 3

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 3,849

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-094086 · ownership.xml · nonDerivative · entry 2

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 6,828

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-094086 · ownership.xml · nonDerivative · entry 1

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 3,989,323

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-083842 · ownership.xml · nonDerivative · entry 6

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 0

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.08 to $4.11 per share, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-083842 · ownership.xml · nonDerivative · entry 5

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 0

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.08 to $4.11 per share, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-083842 · ownership.xml · derivative · entry 9

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 18,191

Underlying: Class A Common Stock · 3,849 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-083842 · ownership.xml · derivative · entry 8

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 32,273

Underlying: Class A Common Stock · 6,828 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-083842 · ownership.xml · derivative · entry 7

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 18,854,669

Underlying: Class A Common Stock · 3,989,323 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-083842 · ownership.xml · nonDerivative · entry 4

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 0

F3 · kind: Spectrum Equity VII, L.P. made a pro rata distribution of 3,989,323 shares of Class A Shares to its general partner and limited partners for no consideration on June 5, 2025.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-083842 · ownership.xml · nonDerivative · entry 3

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 3,849

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-083842 · ownership.xml · nonDerivative · entry 2

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 6,828

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-083842 · ownership.xml · nonDerivative · entry 1

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 3,989,323

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 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-041232 · ownership.xml · derivative · entry 9

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 22,040

Underlying: Class A Common Stock · 2,887 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.

F1 · derivative.exercise_price: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · kind: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · price: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · derivative.exercise_date: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · derivative.expiration_date: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-041232 · ownership.xml · derivative · entry 8

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 39,101

Underlying: Class A Common Stock · 5,122 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.

F1 · derivative.exercise_price: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · kind: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · price: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · derivative.exercise_date: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · derivative.expiration_date: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-041232 · ownership.xml · derivative · entry 7

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 22,843,992

Underlying: Class A Common Stock · 2,991,991 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.

F1 · derivative.exercise_price: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · kind: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · price: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · derivative.exercise_date: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · derivative.expiration_date: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-041232 · ownership.xml · nonDerivative · entry 6

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 0

F3 · price: The reported amounts give effect to the closing of the Repurchase, which is expected to occur on March 21, 2025.

F3 · balance_after: The reported amounts give effect to the closing of the Repurchase, which is expected to occur on March 21, 2025.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-041232 · ownership.xml · nonDerivative · entry 5

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 0

F3 · price: The reported amounts give effect to the closing of the Repurchase, which is expected to occur on March 21, 2025.

F3 · balance_after: The reported amounts give effect to the closing of the Repurchase, which is expected to occur on March 21, 2025.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-041232 · ownership.xml · nonDerivative · entry 4

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 0

F3 · price: The reported amounts give effect to the closing of the Repurchase, which is expected to occur on March 21, 2025.

F3 · balance_after: The reported amounts give effect to the closing of the Repurchase, which is expected to occur on March 21, 2025.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-041232 · ownership.xml · nonDerivative · entry 3

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 2,887

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 · kind: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · price: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-041232 · ownership.xml · nonDerivative · entry 2

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 5,122

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 · kind: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · price: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-25-041232 · ownership.xml · nonDerivative · entry 1

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 2,991,991

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 · kind: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F1 · price: Pursuant to the Stock Purchase Agreement dated March 16, 2025, the Issuer has agreed to purchase an aggregate of 3,000,000 shares of Class A Common Stock ("Class A Shares") from Spectrum Equity VII, L.P. ("SE VII"), Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), and Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund," and together with the foregoing entities, the "Selling Stockholders") for an aggregate price of $12,600,000 (the "Repurchase"). In connection with the Repurchase, the Selling Stockholders are converting an aggregate of 3,000,000 shares of Class B Common Stock ("Class B Shares") into Class A Shares on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund"), and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-24-103011 · ownership.xml · nonDerivative · entry 6

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 0

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.850 to $7.865 per share, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund") , and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-24-103011 · ownership.xml · nonDerivative · entry 5

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 0

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.850 to $7.865 per share, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund") , and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-24-103011 · ownership.xml · derivative · entry 9

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Co-Investment Fund L.P.

Disclosed balance after: 24,927

Underlying: Class A Common Stock · 3,849 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund") , and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-24-103011 · ownership.xml · derivative · entry 8

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum VII Investment Managers' Fund, L.P.

Disclosed balance after: 44,223

Underlying: Class A Common Stock · 6,828 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund") , and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.

SEC source: 0000950170-24-103011 · ownership.xml · derivative · entry 7

Spectrum Equity VII, L.P. · CIK 0001609969 · 10% owner

Spectrum VII Investment Managers' Fund, L.P. · CIK 0001626997 · 10% owner

Spectrum VII Co-Investment Fund, L.P. · CIK 0001822087 · 10% owner

Spectrum Equity Associates VII, L.P. · CIK 0001824228 · 10% owner

SEA VII Management, LLC · CIK 0001824265 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spectrum Equity VII, L.P.

Disclosed balance after: 25,835,983

Underlying: Class A Common Stock · 3,989,323 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.

F1 · derivative.exercise_price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · kind: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · price: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.exercise_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F1 · derivative.expiration_date: Represents the conversion of the Issuer's Class B Common Stock ("Class B Shares") into shares of the Issuer's Class A Common Stock (the "Class A Shares") on a one-for-one basis.

F2 · ownership.nature: The general partner of Spectrum Equity VII, L.P. ("SE VII") is Spectrum Equity Associates VII, L.P. ("Spectrum Equity Associates"). The general partner of each of Spectrum VII Investment Managers' Fund, L.P. ("Spectrum VII Investment Managers' Fund"), Spectrum VII Co-Investment Fund L.P. ("Spectrum VII Co-Investment Fund") , and Spectrum Equity Associates is SEA VII Management, LLC ("Management LLC"). Brion B. Applegate, Christopher T. Mitchell, Victor E. Parker, Jr., Benjamin C. Spero, Ronan Cunningham, Stephen M. LeSieur, Brian Regan and Michael W. Farrell may be deemed to share voting and dispositive power over the securities held by SE VII, Spectrum VII Investment Managers' Fund and Spectrum VII Co-Investment Fund. Each of these individuals disclaims beneficial ownership of such securities, except to the extent of their pecuniary interest, if any.