WGS

SEC source: 0001944119-26-000021 · form4-03302026_090356.xml · nonDerivative · entry 4

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,432

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.96 to $63.955 per share, inclusive.

SEC source: 0001944119-26-000021 · form4-03302026_090356.xml · nonDerivative · entry 3

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,952

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.93 to $62.91 per share, inclusive.

SEC source: 0001944119-26-000021 · form4-03302026_090356.xml · nonDerivative · entry 2

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,913

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.93 to $61.91 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 4 through 7 of this Form 4.

SEC source: 0001944119-26-000021 · form4-03302026_090356.xml · nonDerivative · entry 1

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,398

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

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

SEC source: 0001689575-26-000021 · form4-03302026_080325.xml · derivative · entry 7

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,000

Underlying: Class A Common Stock · 80,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

F9 · derivative.exercise_date: 25% of the total award vested or vests annually, with the first tranche vested on March 26, 2025, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

F9 · derivative.expiration_date: 25% of the total award vested or vests annually, with the first tranche vested on March 26, 2025, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

SEC source: 0001689575-26-000021 · form4-03302026_080325.xml · nonDerivative · entry 6

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,514

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.00 to $65.61 per share, inclusive.

F8 · balance_after: Following the reported sale undertaken to satisfy tax withholding liabilities, in addition to the 91,514 shares of Class A Common Stock beneficially owned by the Reporting Person, the Reporting Person held RSUs representing contingent rights to receive up to an aggregate 334,695 shares of the Issuer's Class A Common Stock and options to purchase up to an aggregate 107,610 shares of Class A Common Stock, which RSUs and options vest according to their respective terms.

SEC source: 0001689575-26-000021 · form4-03302026_080325.xml · nonDerivative · entry 5

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,397

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.99 to $64.96 per share, inclusive.

SEC source: 0001689575-26-000021 · form4-03302026_080325.xml · nonDerivative · entry 4

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,689

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.96 to $63.955 per share, inclusive.

SEC source: 0001689575-26-000021 · form4-03302026_080325.xml · nonDerivative · entry 3

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,101

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.93 to $62.91 per share, inclusive.

SEC source: 0001689575-26-000021 · form4-03302026_080325.xml · nonDerivative · entry 2

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,218

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.93 to $61.91 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 4 through 7 of this Form 4.

SEC source: 0001689575-26-000021 · form4-03302026_080325.xml · nonDerivative · entry 1

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,447

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

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

SEC source: 0001944119-26-000019 · form4-03172026_100356.xml · derivative · entry 7

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,787

Underlying: Class A Common Stock · 7,197 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: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

F8 · derivative.exercise_date: 6.25% of the total award vested or vests quarterly, with the first tranche vested on June 16, 2023, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

F8 · derivative.expiration_date: 6.25% of the total award vested or vests quarterly, with the first tranche vested on June 16, 2023, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

SEC source: 0001944119-26-000019 · form4-03172026_100356.xml · nonDerivative · entry 5

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,148

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.75 to $78.16 per share, inclusive.

F6 · balance_after: Following the reported sale undertaken to satisfy tax withholding liabilities, in addition to the 27,148 shares of Class A Common Stock beneficially owned by the Reporting Person, the Reporting Person held RSUs representing contingent rights to receive up to an aggregate 109,423 shares of the Issuer's Class A Common Stock and options to purchase up to an aggregate 25,906 shares of Class A Common Stock, which RSUs and options vest according to their respective terms.

SEC source: 0001944119-26-000019 · form4-03172026_100356.xml · nonDerivative · entry 4

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,405

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $76.74 to $77.71 per share, inclusive.

SEC source: 0001944119-26-000019 · form4-03172026_100356.xml · nonDerivative · entry 3

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,470

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.735 to $76.73 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 4 and 5 of this Form 4.

SEC source: 0001944119-26-000019 · form4-03172026_100356.xml · nonDerivative · entry 2

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,854

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

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

SEC source: 0001689575-26-000019 · form4-03172026_100354.xml · derivative · entry 7

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Class A Common Stock · 18,750 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: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

F8 · derivative.exercise_date: 6.25% of the total award vested or vests quarterly, with the first tranche vested on June 16, 2023, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

F8 · derivative.expiration_date: 6.25% of the total award vested or vests quarterly, with the first tranche vested on June 16, 2023, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

SEC source: 0001689575-26-000019 · form4-03172026_100354.xml · nonDerivative · entry 5

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,447

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.75 to $78.16 per share, inclusive.

F6 · balance_after: Following the reported sale undertaken to satisfy tax withholding liabilities, in addition to the 58,447 shares of Class A Common Stock beneficially owned by the Reporting Person, the Reporting Person held RSUs representing contingent rights to receive up to an aggregate 414,695 shares of the Issuer's Class A Common Stock and options to purchase up to an aggregate 107,610 shares of Class A Common Stock, which RSUs and options vest according to their respective terms.

SEC source: 0001689575-26-000019 · form4-03172026_100354.xml · nonDerivative · entry 4

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,219

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $76.74 to $77.71 per share, inclusive.

SEC source: 0001689575-26-000019 · form4-03172026_100354.xml · nonDerivative · entry 3

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,448

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.735 to $76.73 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 4 and 5 of this Form 4.

SEC source: 0001689575-26-000019 · form4-03172026_100354.xml · nonDerivative · entry 2

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,626

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

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

SEC source: 0001944119-26-000019 · form4-03172026_100356.xml · derivative · entry 6

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,446

Underlying: Class A Common Stock · 3,815 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: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

F7 · derivative.exercise_date: 25% of the award vested or vests annually on the anniversary of the grant date, with the first tranche vested on March 15, 2026, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

F7 · derivative.expiration_date: 25% of the award vested or vests annually on the anniversary of the grant date, with the first tranche vested on March 15, 2026, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

SEC source: 0001944119-26-000019 · form4-03172026_100356.xml · nonDerivative · entry 1

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,657

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

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

SEC source: 0001689575-26-000019 · form4-03172026_100354.xml · derivative · entry 6

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,763

Underlying: Class A Common Stock · 11,921 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: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

F7 · derivative.exercise_date: 25% of the award vested or vests annually on the anniversary of the grant date, with the first tranche vested on March 15, 2026, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

F7 · derivative.expiration_date: 25% of the award vested or vests annually on the anniversary of the grant date, with the first tranche vested on March 15, 2026, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

SEC source: 0001689575-26-000019 · form4-03172026_100354.xml · nonDerivative · entry 1

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,876

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

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

SEC source: 0001944119-26-000016 · form4-03112026_080344.xml · derivative · entry 3

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,387

Underlying: Class A Common Stock · 2,462 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: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

F5 · derivative.exercise_date: 6.25% of the total award vested or vests quarterly, subject to the Reporting Person's continued service to the Issuer on each vesting date, and with the first tranche vested on March 9, 2023. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

F5 · derivative.expiration_date: 6.25% of the total award vested or vests quarterly, subject to the Reporting Person's continued service to the Issuer on each vesting date, and with the first tranche vested on March 9, 2023. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

SEC source: 0001944119-26-000016 · form4-03112026_080344.xml · nonDerivative · entry 2

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,842

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.75 to $87.1136 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the U.S. 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.

F4 · balance_after: Following the reported sale undertaken to satisfy tax withholding liabilities, in addition to the 21,842 shares of Class A Common Stock beneficially owned by the Reporting Person, the Reporting Person beneficially owned RSUs representing contingent rights to receive up to an aggregate of 120,435 shares of Class A Common Stock and options to purchase up to an aggregate of 25,906 shares of Class A Common Stock, which RSUs and options vest according to their respective terms.

SEC source: 0001944119-26-000016 · form4-03112026_080344.xml · nonDerivative · entry 1

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,122

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 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

SEC source: 0001689575-26-000015 · form4-03112026_080333.xml · derivative · entry 3

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,640

Underlying: Class A Common Stock · 6,546 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: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

F5 · derivative.exercise_date: 6.25% of the total award vested or vests quarterly, subject to the Reporting Person's continued service to the Issuer on each vesting date, and with the first tranche vested on March 9, 2023. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

F5 · derivative.expiration_date: 6.25% of the total award vested or vests quarterly, subject to the Reporting Person's continued service to the Issuer on each vesting date, and with the first tranche vested on March 9, 2023. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

SEC source: 0001689575-26-000015 · form4-03112026_080333.xml · nonDerivative · entry 2

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,955

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.5585 to $86.75 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the U.S. 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.

F4 · balance_after: Following the reported sale undertaken to satisfy tax withholding liabilities, in addition to the 44,955 shares of Class A Common Stock beneficially owned by the Reporting Person, the Reporting Person beneficially owned RSUs representing contingent rights to receive up to an aggregate of 445,366 shares of Class A Common Stock and options to purchase up to an aggregate of 107,610 shares of Class A Common Stock, which RSUs and options vest according to their respective terms.

SEC source: 0001689575-26-000015 · form4-03112026_080333.xml · nonDerivative · entry 1

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,633

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

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration.

SEC source: 0001944119-26-000014 · form4-03092026_110358.xml · nonDerivative · entry 1

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,660

F1 · security: Pursuant to a Subscription Agreement executed on March 6, 2026 between GeneDx Holdings Corp. (the "Issuer") and the reporting person, the reporting person acquired 1,986 shares of the Issuer's Class A common stock directly from the Issuer in an exempt transaction pursuant to Rule 16b-3(d) at a purchase price of $88.11 per share, the closing price of the Issuer's Class A common stock on March 6, 2026.

SEC source: 0001689575-26-000013 · form4-03092026_110351.xml · nonDerivative · entry 1

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,087

F1 · security: Pursuant to a Subscription Agreement executed on March 6, 2026 between GeneDx Holdings Corp. (the "Issuer") and the reporting person, the reporting person acquired 3,404 shares of the Issuer's Class A common stock directly from the Issuer in an exempt transaction pursuant to Rule 16b-3(d) at a purchase price of $88.11 per share, the closing price of the Issuer's Class A common stock on March 6, 2026.

SEC source: 0001193125-26-094527 · ownership.xml · nonDerivative · entry 10

Meister Keith A. · CIK 0001307631 · Director · 10% owner

Corvex Management LP · CIK 0001535472 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,228,150

F11 · price: The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $81.95 to $82.37.

F2 · ownership.nature: Investment funds advised by Corvex Management LP ("Corvex") are the direct holders of 3,228,150 shares of the Class A Common Stock, par value $0.0001 per share ("Class A Common Stock") of GeneDX Holdings Corp. (the "Issuer") reported herein. Mr. Meister may be deemed to indirectly beneficially own these shares by virtue of Mr. Meister's control of the general partner of Corvex.

F3 · ownership.nature: For the purposes of this filing, each of Corvex or Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Corvex or Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.

SEC source: 0001193125-26-094527 · ownership.xml · nonDerivative · entry 9

Meister Keith A. · CIK 0001307631 · Director · 10% owner

Corvex Management LP · CIK 0001535472 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,198,914

F10 · price: The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $80.95 to $81.94.

F2 · ownership.nature: Investment funds advised by Corvex Management LP ("Corvex") are the direct holders of 3,228,150 shares of the Class A Common Stock, par value $0.0001 per share ("Class A Common Stock") of GeneDX Holdings Corp. (the "Issuer") reported herein. Mr. Meister may be deemed to indirectly beneficially own these shares by virtue of Mr. Meister's control of the general partner of Corvex.

F3 · ownership.nature: For the purposes of this filing, each of Corvex or Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Corvex or Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.

SEC source: 0001193125-26-094527 · ownership.xml · nonDerivative · entry 8

Meister Keith A. · CIK 0001307631 · Director · 10% owner

Corvex Management LP · CIK 0001535472 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,138,022

F9 · price: The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $79.95 to $80.94.

F2 · ownership.nature: Investment funds advised by Corvex Management LP ("Corvex") are the direct holders of 3,228,150 shares of the Class A Common Stock, par value $0.0001 per share ("Class A Common Stock") of GeneDX Holdings Corp. (the "Issuer") reported herein. Mr. Meister may be deemed to indirectly beneficially own these shares by virtue of Mr. Meister's control of the general partner of Corvex.

F3 · ownership.nature: For the purposes of this filing, each of Corvex or Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Corvex or Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.

SEC source: 0001193125-26-094527 · ownership.xml · nonDerivative · entry 7

Meister Keith A. · CIK 0001307631 · Director · 10% owner

Corvex Management LP · CIK 0001535472 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,090,399

F8 · price: The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $78.75 to $79.00.

F2 · ownership.nature: Investment funds advised by Corvex Management LP ("Corvex") are the direct holders of 3,228,150 shares of the Class A Common Stock, par value $0.0001 per share ("Class A Common Stock") of GeneDX Holdings Corp. (the "Issuer") reported herein. Mr. Meister may be deemed to indirectly beneficially own these shares by virtue of Mr. Meister's control of the general partner of Corvex.

F3 · ownership.nature: For the purposes of this filing, each of Corvex or Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Corvex or Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.

SEC source: 0001193125-26-094527 · ownership.xml · nonDerivative · entry 6

Meister Keith A. · CIK 0001307631 · Director · 10% owner

Corvex Management LP · CIK 0001535472 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,088,428

F7 · price: The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $77.50 to $78.37.

F2 · ownership.nature: Investment funds advised by Corvex Management LP ("Corvex") are the direct holders of 3,228,150 shares of the Class A Common Stock, par value $0.0001 per share ("Class A Common Stock") of GeneDX Holdings Corp. (the "Issuer") reported herein. Mr. Meister may be deemed to indirectly beneficially own these shares by virtue of Mr. Meister's control of the general partner of Corvex.

F3 · ownership.nature: For the purposes of this filing, each of Corvex or Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Corvex or Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.

SEC source: 0001944119-26-000011 · form4-03052026_100308.xml · nonDerivative · entry 4

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,674

F2 · kind: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the 2025 PRSU Award. The sales were effected to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.00 to $79.64 per share, inclusive.

F6 · balance_after: Following the reported sale undertaken to satisfy tax withholding liabilities and as of the date of filing of this Form 4, in addition to the 18,674 shares of Class A Common Stock beneficially owned by the Reporting Person, the Reporting Person beneficially owned RSUs representing contingent rights to receive up to an aggregate 122,897 shares of Class A Common Stock and options to purchase up to an aggregate 25,906 shares of Class A Common Stock, which RSUs and options vest according to their respective terms.

SEC source: 0001944119-26-000011 · form4-03052026_100308.xml · nonDerivative · entry 3

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,894

F2 · kind: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the 2025 PRSU Award. The sales were effected to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.00 to $78.93 per share, inclusive.

SEC source: 0001944119-26-000011 · form4-03052026_100308.xml · nonDerivative · entry 2

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,437

F2 · kind: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the 2025 PRSU Award. The sales were effected to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.00 to $77.92 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 4 and 5 of this Form 4.

SEC source: 0001689575-26-000010 · form4-03052026_100322.xml · nonDerivative · entry 4

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,683

F2 · kind: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the 2025 PRSU Award. The sales were effected to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.00 to $79.64 per share, inclusive.

F6 · balance_after: Following the reported sale undertaken to satisfy tax withholding liabilities and as of the date of filing of this Form 4, in addition to the 38,683 shares of Class A Common Stock beneficially owned by the Reporting Person, the Reporting Person beneficially owned RSUs representing contingent rights to receive up to an aggregate 451,912 shares of Class A Common Stock and options to purchase up to an aggregate 107,610 shares of Class A Common Stock, which RSUs and options vest according to their respective terms.

SEC source: 0001689575-26-000010 · form4-03052026_100322.xml · nonDerivative · entry 3

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,816

F2 · kind: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the 2025 PRSU Award. The sales were effected to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.00 to $78.93 per share, inclusive.

SEC source: 0001689575-26-000010 · form4-03052026_100322.xml · nonDerivative · entry 2

Stueland Katherine · CIK 0001689575 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,281

F2 · kind: The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the 2025 PRSU Award. The sales were effected to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.00 to $77.92 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnotes 4 and 5 of this Form 4.

SEC source: 0002051759-26-000010 · form4-03052026_100352.xml · derivative · entry 1

Dechairo Bryan · CIK 0002051759 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,430

Underlying: Class A Common Stock · 10,430 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") reflected in this row represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration, subject to continued service as described in footnote 2 below.

F2 · derivative.exercise_date: 25% of the award shall vest annually on the anniversary of the grant date, with the first tranche vesting on April 1, 2027, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

F2 · derivative.expiration_date: 25% of the award shall vest annually on the anniversary of the grant date, with the first tranche vesting on April 1, 2027, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

SEC source: 0001944119-26-000011 · form4-03052026_100308.xml · derivative · entry 5

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,865

Underlying: Class A Common Stock · 10,865 shares

Expires not disclosed

F7 · derivative.exercise_price: Each restricted stock unit ("RSU") reflected in this row represents a contingent right to receive 1 share of the Issuer's Class A Common Stock upon settlement for no consideration, subject to continued service as described in footnote 8 below.

F8 · derivative.exercise_date: 25% of the award shall vest annually on the anniversary of the grant date, with the first tranche vesting on April 1, 2027, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

F8 · derivative.expiration_date: 25% of the award shall vest annually on the anniversary of the grant date, with the first tranche vesting on April 1, 2027, subject to the Reporting Person's continued service to the Issuer on each vesting date. These RSUs do not have an expiration date; they either vest or are cancelled prior to the vesting date.

SEC source: 0001944119-26-000011 · form4-03052026_100308.xml · nonDerivative · entry 1

Feeley Kevin · CIK 0001944119 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,861

F1 · kind: The reported transaction represents the certification of achievement of a performance-based restricted stock unit award granted to the Reporting Person by the Issuer's compensation committee on March 15, 2025 (the "2025 PRSU Award"). Vesting of the 2025 PRSU Award is based on achievement of corporate performance metrics tied to revenue and adjusted net income, and subject to the Reporting Person's continued service through the certification date of achievement thereof.

SEC source: 0001193125-26-094527 · ownership.xml · nonDerivative · entry 5

Meister Keith A. · CIK 0001307631 · Director · 10% owner

Corvex Management LP · CIK 0001535472 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,088,124

F6 · price: The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $75.97 to $76.00.

F2 · ownership.nature: Investment funds advised by Corvex Management LP ("Corvex") are the direct holders of 3,228,150 shares of the Class A Common Stock, par value $0.0001 per share ("Class A Common Stock") of GeneDX Holdings Corp. (the "Issuer") reported herein. Mr. Meister may be deemed to indirectly beneficially own these shares by virtue of Mr. Meister's control of the general partner of Corvex.

F3 · ownership.nature: For the purposes of this filing, each of Corvex or Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Corvex or Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.

SEC source: 0001193125-26-094527 · ownership.xml · nonDerivative · entry 4

Meister Keith A. · CIK 0001307631 · Director · 10% owner

Corvex Management LP · CIK 0001535472 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,087,875

F5 · price: The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $74.97 to $75.96.

F2 · ownership.nature: Investment funds advised by Corvex Management LP ("Corvex") are the direct holders of 3,228,150 shares of the Class A Common Stock, par value $0.0001 per share ("Class A Common Stock") of GeneDX Holdings Corp. (the "Issuer") reported herein. Mr. Meister may be deemed to indirectly beneficially own these shares by virtue of Mr. Meister's control of the general partner of Corvex.

F3 · ownership.nature: For the purposes of this filing, each of Corvex or Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Corvex or Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.

SEC source: 0001193125-26-094527 · ownership.xml · nonDerivative · entry 3

Meister Keith A. · CIK 0001307631 · Director · 10% owner

Corvex Management LP · CIK 0001535472 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,086,954

F2 · ownership.nature: Investment funds advised by Corvex Management LP ("Corvex") are the direct holders of 3,228,150 shares of the Class A Common Stock, par value $0.0001 per share ("Class A Common Stock") of GeneDX Holdings Corp. (the "Issuer") reported herein. Mr. Meister may be deemed to indirectly beneficially own these shares by virtue of Mr. Meister's control of the general partner of Corvex.

F3 · ownership.nature: For the purposes of this filing, each of Corvex or Mr. Meister disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein. This filing shall not be deemed an admission that Corvex or Mr. Meister is the beneficial owner of any of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise.