CSTL

SEC source: 0001447362-23-000184 · wk-form4_1702593545.xml · nonDerivative · entry 11

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk

Disclosed balance after: 13,882

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.

F9 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.55, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · ownership.nature: Held by The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk of which the Reporting Person is the trustee and his child is the beneficiary.

SEC source: 0001447362-23-000184 · wk-form4_1702593545.xml · nonDerivative · entry 10

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By Derek Maetzold 2020 Irrevocable Trust

Disclosed balance after: 87,153

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.

F9 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.55, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · ownership.nature: Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

SEC source: 0001447362-23-000184 · wk-form4_1702593545.xml · nonDerivative · entry 9

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By The Maetzold Descendants 2020 Trust

Disclosed balance after: 98,258

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.

F9 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.55, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Held by The Maetzold Descendants 2020 Trust of which the Reporting Person's spouse is the trustee and the Reporting Person's spouse and their children are beneficiaries.

SEC source: 0001447362-23-000184 · wk-form4_1702593545.xml · nonDerivative · entry 8

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 127,018

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.

F9 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.55, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001447362-23-000181 · wk-form4_1702593108.xml · nonDerivative · entry 3

BRADBURY DANIEL · CIK 0001236397 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Annette Bradbury Irrecovable Descendant's Trust

Disclosed balance after: 50,215

F1 · kind: The transaction on this Form 4 was made pursuant to a Rule 10b5-1 plan adopted by BioBrit, LLC, The Daniel M. Bradbury Irrevocable Descendants' Trust and The Annette E. Bradbury Irrevocable Descendants' Trust on August 22, 2023.

F2 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.02, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · ownership.nature: Held by Annette Bradbury Irrecovable Descendant's Trust of which the reporting person and his spouse are trustees and their children are beneficiaries.

SEC source: 0001447362-23-000181 · wk-form4_1702593108.xml · nonDerivative · entry 2

BRADBURY DANIEL · CIK 0001236397 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Daniel Bradbury Irrecovable Descendant's Trust

Disclosed balance after: 50,195

F1 · kind: The transaction on this Form 4 was made pursuant to a Rule 10b5-1 plan adopted by BioBrit, LLC, The Daniel M. Bradbury Irrevocable Descendants' Trust and The Annette E. Bradbury Irrevocable Descendants' Trust on August 22, 2023.

F2 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.02, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · ownership.nature: Held by Daniel Bradbury Irrecovable Descendant's Trust of which the reporting person and his spouse are trustees and their children are beneficiaries.

SEC source: 0001447362-23-000181 · wk-form4_1702593108.xml · nonDerivative · entry 1

BRADBURY DANIEL · CIK 0001236397 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By LLC

Disclosed balance after: 72,458

F1 · kind: The transaction on this Form 4 was made pursuant to a Rule 10b5-1 plan adopted by BioBrit, LLC, The Daniel M. Bradbury Irrevocable Descendants' Trust and The Annette E. Bradbury Irrevocable Descendants' Trust on August 22, 2023.

F2 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.02, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Held by BioBrit, LLC, of which the Reporting Person is the managing member and has voting and investment power over the shares.

SEC source: 0001447362-23-000184 · wk-form4_1702593545.xml · nonDerivative · entry 7

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold

Disclosed balance after: 14,298

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.

F2 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.02, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F8 · ownership.nature: Held by The Maetzold 2018 Remainder Trust FBO Peter Douglas Maetzold of which the Reporting Person is the trustee and his child is the beneficiary.

SEC source: 0001447362-23-000184 · wk-form4_1702593545.xml · nonDerivative · entry 6

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO John Derek Maetzold

Disclosed balance after: 14,305

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.

F2 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.02, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F7 · ownership.nature: Held by The Maetzold 2018 Remainder Trust FBO John Derek Maetzold of which the Reporting Person is the trustee and his child is the beneficiary.

SEC source: 0001447362-23-000184 · wk-form4_1702593545.xml · nonDerivative · entry 5

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold

Disclosed balance after: 14,304

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.

F2 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.02, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 · ownership.nature: Held by The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold of which the Reporting Person is the trustee and his child is the beneficiary.

SEC source: 0001447362-23-000184 · wk-form4_1702593545.xml · nonDerivative · entry 4

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk

Disclosed balance after: 14,303

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.

F2 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.02, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 · ownership.nature: Held by The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk of which the Reporting Person is the trustee and his child is the beneficiary.

SEC source: 0001447362-23-000184 · wk-form4_1702593545.xml · nonDerivative · entry 3

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By Derek Maetzold 2020 Irrevocable Trust

Disclosed balance after: 88,304

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.

F2 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.02, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · ownership.nature: Held by Derek Maetzold 2020 Irrevocable Trust of which the Reporting Person is the trustee and his children are beneficiaries.

SEC source: 0001447362-23-000184 · wk-form4_1702593545.xml · nonDerivative · entry 2

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Indirect · By The Maetzold Descendants 2020 Trust

Disclosed balance after: 99,409

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.

F2 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.02, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: Held by The Maetzold Descendants 2020 Trust of which the Reporting Person's spouse is the trustee and the Reporting Person's spouse and their children are beneficiaries.

SEC source: 0001447362-23-000184 · wk-form4_1702593545.xml · nonDerivative · entry 1

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 130,670

F1 · kind: These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on March 16, 2023.

F2 · price: This transaction was executed in multiple trades at prices ranging from $20.00 to $20.02, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001447362-23-000179 · wk-form4_1702427930.xml · derivative · entry 9

Oelschlager Kristen M · CIK 0001856565 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,750

Underlying: Common Stock · 1,750 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.

F2 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.

F5 · derivative.exercise_date: On December 10, 2020, the Reporting Person was granted 7,000 RSUs, which vest in four equal annual installments beginning on December 10, 2021.

F5 · derivative.expiration_date: On December 10, 2020, the Reporting Person was granted 7,000 RSUs, which vest in four equal annual installments beginning on December 10, 2021.

SEC source: 0001447362-23-000179 · wk-form4_1702427930.xml · derivative · entry 8

Oelschlager Kristen M · CIK 0001856565 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,339

Underlying: Common Stock · 6,170 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.

F2 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.

F4 · derivative.exercise_date: On December 10, 2021, the Reporting Person was granted 24,679 RSUs, which vest in four equal annual installments beginning on December 10, 2022.

F4 · derivative.expiration_date: On December 10, 2021, the Reporting Person was granted 24,679 RSUs, which vest in four equal annual installments beginning on December 10, 2022.

SEC source: 0001447362-23-000179 · wk-form4_1702427930.xml · nonDerivative · entry 6

Oelschlager Kristen M · CIK 0001856565 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 137,687

SEC source: 0001447362-23-000179 · wk-form4_1702427930.xml · nonDerivative · entry 5

Oelschlager Kristen M · CIK 0001856565 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,149

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

SEC source: 0001447362-23-000179 · wk-form4_1702427930.xml · nonDerivative · entry 4

Oelschlager Kristen M · CIK 0001856565 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,399

SEC source: 0001447362-23-000179 · wk-form4_1702427930.xml · nonDerivative · entry 3

Oelschlager Kristen M · CIK 0001856565 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,025

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

SEC source: 0001447362-23-000177 · wk-form4_1702427603.xml · derivative · entry 9

Stokes Frank · CIK 0001782815 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,000

Underlying: Common Stock · 2,000 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 the right to receive one share of the Issuer's Common Stock.

F4 · derivative.exercise_date: On December 10, 2020, the Reporting Person was granted 8,000 RSUs, which vest in four equal annual installments beginning on December 10, 2021.

F4 · derivative.expiration_date: On December 10, 2020, the Reporting Person was granted 8,000 RSUs, which vest in four equal annual installments beginning on December 10, 2021.

SEC source: 0001447362-23-000177 · wk-form4_1702427603.xml · derivative · entry 8

Stokes Frank · CIK 0001782815 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,339

Underlying: Common Stock · 6,170 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 the right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: On December 10, 2021, the Reporting Person was granted 24,679 RSUs, which vest in four equal annual installments beginning on December 10, 2022.

F3 · derivative.expiration_date: On December 10, 2021, the Reporting Person was granted 24,679 RSUs, which vest in four equal annual installments beginning on December 10, 2022.

SEC source: 0001447362-23-000177 · wk-form4_1702427603.xml · nonDerivative · entry 6

Stokes Frank · CIK 0001782815 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,551

SEC source: 0001447362-23-000177 · wk-form4_1702427603.xml · nonDerivative · entry 5

Stokes Frank · CIK 0001782815 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,135

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 the right to receive one share of the Issuer's Common Stock.

SEC source: 0001447362-23-000177 · wk-form4_1702427603.xml · nonDerivative · entry 4

Stokes Frank · CIK 0001782815 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,135

SEC source: 0001447362-23-000177 · wk-form4_1702427603.xml · nonDerivative · entry 3

Stokes Frank · CIK 0001782815 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,937

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 the right to receive one share of the Issuer's Common Stock.

SEC source: 0001447362-23-000175 · wk-form4_1702427329.xml · derivative · entry 10

Juvenal Tobin W · CIK 0001856542 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,750

Underlying: Common Stock · 1,750 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 the right to receive one share of the Issuer's Common Stock.

F5 · derivative.exercise_date: On December 10, 2020, the Reporting Person was granted 7,000 RSUs, which vest in four equal annual installments beginning on December 10, 2021.

F5 · derivative.expiration_date: On December 10, 2020, the Reporting Person was granted 7,000 RSUs, which vest in four equal annual installments beginning on December 10, 2021.

SEC source: 0001447362-23-000175 · wk-form4_1702427329.xml · derivative · entry 9

Juvenal Tobin W · CIK 0001856542 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,339

Underlying: Common Stock · 6,170 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 the right to receive one share of the Issuer's Common Stock.

F4 · derivative.exercise_date: On December 10, 2021, the Reporting Person was granted 24,679 RSUs, which vest in four equal annual installments beginning on December 10, 2022.

F4 · derivative.expiration_date: On December 10, 2021, the Reporting Person was granted 24,679 RSUs, which vest in four equal annual installments beginning on December 10, 2022.

SEC source: 0001447362-23-000175 · wk-form4_1702427329.xml · nonDerivative · entry 6

Juvenal Tobin W · CIK 0001856542 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,156

SEC source: 0001447362-23-000175 · wk-form4_1702427329.xml · nonDerivative · entry 5

Juvenal Tobin W · CIK 0001856542 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,583

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 the right to receive one share of the Issuer's Common Stock.

SEC source: 0001447362-23-000175 · wk-form4_1702427329.xml · nonDerivative · entry 4

Juvenal Tobin W · CIK 0001856542 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,833

SEC source: 0001447362-23-000175 · wk-form4_1702427329.xml · nonDerivative · entry 3

Juvenal Tobin W · CIK 0001856542 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,336

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 the right to receive one share of the Issuer's Common Stock.

SEC source: 0001447362-23-000173 · wk-form4_1702427020.xml · derivative · entry 17

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,362

Underlying: Common Stock · 5,363 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.

F10 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.

F13 · derivative.exercise_date: On December 10, 2020, the reporting person was granted 21,450 RSUs, which vest in four equal annual installments beginning on December 10, 2021.

F13 · derivative.expiration_date: On December 10, 2020, the reporting person was granted 21,450 RSUs, which vest in four equal annual installments beginning on December 10, 2021.

SEC source: 0001447362-23-000173 · wk-form4_1702427020.xml · derivative · entry 16

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,849

Underlying: Common Stock · 15,424 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.

F10 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.

F12 · derivative.exercise_date: On December 10, 2021, the Reporting Person was granted 61,698 RSUs, which vest in four equal annual installments beginning on December 10, 2022.

F12 · derivative.expiration_date: On December 10, 2021, the Reporting Person was granted 61,698 RSUs, which vest in four equal annual installments beginning on December 10, 2022.

SEC source: 0001447362-23-000173 · wk-form4_1702427020.xml · nonDerivative · entry 13

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 131,216

SEC source: 0001447362-23-000173 · wk-form4_1702427020.xml · nonDerivative · entry 12

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 133,327

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

SEC source: 0001447362-23-000173 · wk-form4_1702427020.xml · nonDerivative · entry 11

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 127,964

SEC source: 0001447362-23-000173 · wk-form4_1702427020.xml · nonDerivative · entry 10

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 132,334

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

SEC source: 0001447362-23-000179 · wk-form4_1702427930.xml · derivative · entry 7

Oelschlager Kristen M · CIK 0001856565 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,883

Underlying: Common Stock · 15,961 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.

F2 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: On December 9, 2022, the Reporting Person was granted 63,844 RSUs, which vest in four equal annual installments beginning on December 9, 2023.

F3 · derivative.expiration_date: On December 9, 2022, the Reporting Person was granted 63,844 RSUs, which vest in four equal annual installments beginning on December 9, 2023.

SEC source: 0001447362-23-000179 · wk-form4_1702427930.xml · nonDerivative · entry 2

Oelschlager Kristen M · CIK 0001856565 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 131,855

SEC source: 0001447362-23-000179 · wk-form4_1702427930.xml · nonDerivative · entry 1

Oelschlager Kristen M · CIK 0001856565 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,061

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 · balance_after: Includes 759 and 427 shares acquired on February 28, 2023, and August 31, 2023, respectively, under the Issuer's employee stock purchase plan.

SEC source: 0001447362-23-000177 · wk-form4_1702427603.xml · derivative · entry 7

Stokes Frank · CIK 0001782815 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,850

Underlying: Common Stock · 14,617 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 the right to receive one share of the Issuer's Common Stock.

F2 · derivative.exercise_date: On December 9, 2022, the Reporting Person was granted 58,467 RSUs, which vest in four equal annual installments beginning on December 9, 2023

F2 · derivative.expiration_date: On December 9, 2022, the Reporting Person was granted 58,467 RSUs, which vest in four equal annual installments beginning on December 9, 2023

SEC source: 0001447362-23-000177 · wk-form4_1702427603.xml · nonDerivative · entry 2

Stokes Frank · CIK 0001782815 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,767

SEC source: 0001447362-23-000177 · wk-form4_1702427603.xml · nonDerivative · entry 1

Stokes Frank · CIK 0001782815 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,036

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 the right to receive one share of the Issuer's Common Stock.

SEC source: 0001447362-23-000175 · wk-form4_1702427329.xml · derivative · entry 8

Juvenal Tobin W · CIK 0001856542 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,883

Underlying: Common Stock · 15,961 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 the right to receive one share of the Issuer's Common Stock.

F3 · derivative.exercise_date: On December 9, 2022, the Reporting Person was granted 63,844 RSUs, which vest in four equal annual installments beginning on December 9, 2023.

F3 · derivative.expiration_date: On December 9, 2022, the Reporting Person was granted 63,844 RSUs, which vest in four equal annual installments beginning on December 9, 2023.

SEC source: 0001447362-23-000175 · wk-form4_1702427329.xml · nonDerivative · entry 2

Juvenal Tobin W · CIK 0001856542 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,166

SEC source: 0001447362-23-000175 · wk-form4_1702427329.xml · nonDerivative · entry 1

Juvenal Tobin W · CIK 0001856542 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,053

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 the right to receive one share of the Issuer's Common Stock.

SEC source: 0001447362-23-000173 · wk-form4_1702427020.xml · derivative · entry 15

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 100,487

Underlying: Common Stock · 33,496 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.

F10 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents the right to receive one share of the Issuer's Common Stock.

F11 · derivative.exercise_date: On December 9, 2022, the Reporting Person was granted 133,982 RSUs, which vest in four equal annual installments beginning on December 9, 2023.

F11 · derivative.expiration_date: On December 9, 2022, the Reporting Person was granted 133,982 RSUs, which vest in four equal annual installments beginning on December 9, 2023.

SEC source: 0001447362-23-000173 · wk-form4_1702427020.xml · nonDerivative · entry 9

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 116,910

SEC source: 0001447362-23-000173 · wk-form4_1702427020.xml · nonDerivative · entry 8

MAETZOLD DEREK J · CIK 0001239501 · Director · Pres. & Chief Exec. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 128,391

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.