Burton Daniel D.

SEC source: 0001780980-25-000002 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,393,099

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-25-006101 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,448,814

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-25-004390 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,457,149

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-25-002004 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,465,807

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-25-001552 · primarydocument.xml · nonDerivative · entry 2

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,499,484

F3 · shares: Represents an award of 75,437 performance-based restricted units ("PRSUs") pursuant to the 2019 Plan, based upon the Issuer's satisfaction of certain performance criteria for the fiscal year ended December 31, 2024. Each PRSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001562180-25-001552 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,424,047

F1 · shares: Represents an award of restricted stock units ("RSUs") granted pursuant to the Issuer's 2019 Stock Option and Incentive Plan (the "2019 Plan"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. Subject to the terms of the 2019 Plan, 33.33% of the RSUs will vest on December 1, 2025 and, thereafter, the remaining 66.67% of the RSUs will vest in 8 equal quarterly installments.

F2 · balance_after: Excludes 90 shares that were previously reported as held by the Reporting Person due to an inadvertent administrative error.

SEC source: 0001562180-24-008095 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,128,137

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-24-006685 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,159,034

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-24-004630 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,163,208

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-24-002251 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,167,650

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-24-001777 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,172,623

SEC source: 0001562180-24-001657 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,146,423

F1 · shares: Represents an award of restricted stock units ("RSUs") granted pursuant to the Issuer's 2019 Stock Option and Incentive Plan (the "2019 Plan"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. Subject to the terms of the 2019 Plan, 33.33% of the RSUs will vest on December 1, 2024 and, thereafter, the remaining 66.67% of the RSUs will vest in 8 equal quarterly installments.

SEC source: 0001562180-23-008133 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 896,423

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-23-006766 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 904,901

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-23-004859 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 912,004

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-23-004087 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 919,415

SEC source: 0001562180-23-002430 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 870,365

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-22-008052 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 878,082

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-22-007616 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 900,140

SEC source: 0001562180-22-006553 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 703,062

SEC source: 0001562180-22-006491 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 612,312

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001562180-22-005977 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 619,674

SEC source: 0001562180-22-004812 · primarydocument.xml · nonDerivative · entry 2

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 443,152

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

F3 · price: Represents the weighted average sale price of the shares sold ranging from $14.91 to $15.07 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 Footnotes (2) and (3).

SEC source: 0001562180-22-004812 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 443,410

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

F2 · price: Represents the weighted average sale price of the shares sold ranging from $13.91 to $14.90 per share, inclusive.

SEC source: 0001562180-22-004370 · primarydocument.xml · derivative · entry 4

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,728

Underlying: Common Stock · 71,470 shares

Expires 2028-09-27

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_date: 25% of the 747,223 shares underlying the option vested in an annual installment on September 25, 2019 and the remaining balance vested or will vest in equal monthly installments until the option vests in full on September 25, 2022.

SEC source: 0001562180-22-004370 · primarydocument.xml · derivative · entry 3

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,518 shares

Expires 2028-09-27

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_date: 25% of the 27,777 shares underlying the option vested in an annual installment and the remaining balance vested or will vest in equal monthly installments until the option vests in full on September 25, 2022.

SEC source: 0001562180-22-004370 · primarydocument.xml · nonDerivative · entry 2

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 450,514

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: 0001562180-22-004370 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 379,044

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: 0001562180-22-002340 · primarydocument.xml · nonDerivative · entry 4

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 360,526

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

F5 · price: Represents the weighted average sale price of the shares sold ranging from $25.29 to $27.56 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 Footnotes (2) and (5).

SEC source: 0001562180-22-002340 · primarydocument.xml · nonDerivative · entry 3

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 362,388

F4 · shares: Represents an award of 8,385 PRSUs pursuant to the 2019 Plan. Each PRSU represents a contingent right to receive one share of the Issuer's common stock. Subject to the terms of the 2019 Plan and Issuer's satisfaction of certain performance criteria for the fiscal year ended December 31, 2021, 25% of the PRSUs noted above vested on March 1, 2022 and, thereafter, the remaining 75% of the PRSUs will vest in 12 equal quarterly installments.

SEC source: 0001562180-22-002340 · primarydocument.xml · nonDerivative · entry 2

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 354,003

F3 · shares: Represents an award of 3,536 performance-based restricted units ("PRSUs") pursuant to the Issuer's 2019 Stock Option and Incentive Plan (the "2019 Plan"). Each PRSU represents a contingent right to receive one share of the Issuer's common stock. Subject to the terms of the 2019 Plan and Issuer's satisfaction of certain performance criteria for the fiscal year ended December 31, 2021, the PRSUs noted above vested on March 1, 2022.

SEC source: 0001562180-22-002340 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 350,467

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

F2 · price: Represents the weighted average sale price of the shares sold ranging from $26.23 to $27.44 per share, inclusive.

SEC source: 0001562180-22-002015 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 361,906

F1 · shares: Represents an award of restricted stock units ("RSUs") granted pursuant to the Issuer's 2019 Stock Option and Incentive Plan (the "2019 Plan"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. Subject to the terms of the 2019 Plan, 25% of the RSUs will vest on December 1, 2022 and, thereafter, the remaining 75% of the RSUs will vest in 12 equal quarterly installments.

SEC source: 0001562180-21-007616 · primarydocument.xml · derivative · entry 3

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 157,743

Underlying: Common Stock · 15,530 shares

Expires 2028-09-27

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.

F3 · derivative.exercise_date: 25% of the 747,223 shares underlying the option vested in an annual installment on September 25, 2019 and the remaining balance vested or will vest in equal monthly installments until the option vests in full on September 25, 2022.

SEC source: 0001562180-21-007616 · primarydocument.xml · nonDerivative · entry 2

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 236,906

F1 · kind: The sale reported on this Form 4 was made pursuant to a written trading plan adopted by the Reporting Person on March 4, 2021, in accordance with Rule 10b5-1.

F2 · price: Represents the weighted average sale price of the shares sold ranging from $40.14 to $40.75 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.

SEC source: 0001562180-21-007616 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 252,436

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: 0001562180-21-007530 · primarydocument.xml · derivative · entry 13

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,273

Underlying: Common Stock · 11,126 shares

Expires 2028-09-27

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.

F9 · derivative.exercise_date: 25% of the 747,223 shares underlying the option vested in an annual installment on September 25, 2019 and the remaining balance vested or will vest in equal monthly installments until the option vests in full on September 25, 2022.

SEC source: 0001562180-21-007530 · primarydocument.xml · derivative · entry 12

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,934

Underlying: Common Stock · 5,881 shares

Expires 2029-02-05

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.

F8 · derivative.exercise_date: 25% of the 299,748 shares underlying the option vested in an annual installment on February 5, 2020 and the remaining balance vested or will vest in equal monthly installments until the option vests in full on February 5, 2023.

SEC source: 0001562180-21-007530 · primarydocument.xml · nonDerivative · entry 9

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 236,906

F3 · kind: The sale reported on this Form 4 was made pursuant to a written trading plan adopted by the Reporting Person on March 4, 2021, in accordance with Rule 10b5-1.

F7 · price: Represents the weighted average sale price of the shares sold ranging from $40.00 to $40.35 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 Footnotes (4) through (7).

SEC source: 0001562180-21-007530 · primarydocument.xml · nonDerivative · entry 8

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 258,878

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: 0001562180-21-007530 · primarydocument.xml · nonDerivative · entry 7

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 252,997

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: 0001562180-21-007530 · primarydocument.xml · derivative · entry 11

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 184,399

Underlying: Common Stock · 21,781 shares

Expires 2028-09-27

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.

F9 · derivative.exercise_date: 25% of the 747,223 shares underlying the option vested in an annual installment on September 25, 2019 and the remaining balance vested or will vest in equal monthly installments until the option vests in full on September 25, 2022.

SEC source: 0001562180-21-007530 · primarydocument.xml · derivative · entry 10

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,815

Underlying: Common Stock · 14,431 shares

Expires 2029-02-05

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.

F8 · derivative.exercise_date: 25% of the 299,748 shares underlying the option vested in an annual installment on February 5, 2020 and the remaining balance vested or will vest in equal monthly installments until the option vests in full on February 5, 2023.

SEC source: 0001562180-21-007530 · primarydocument.xml · nonDerivative · entry 6

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,871

F3 · kind: The sale reported on this Form 4 was made pursuant to a written trading plan adopted by the Reporting Person on March 4, 2021, in accordance with Rule 10b5-1.

F6 · price: Represents the weighted average sale price of the shares sold ranging from $42.10 to $42.36 per share, inclusive.

SEC source: 0001562180-21-007530 · primarydocument.xml · nonDerivative · entry 5

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 242,071

F3 · kind: The sale reported on this Form 4 was made pursuant to a written trading plan adopted by the Reporting Person on March 4, 2021, in accordance with Rule 10b5-1.

F5 · price: Represents the weighted average sale price of the shares sold ranging from $41.09 to $41.79 per share, inclusive.

SEC source: 0001562180-21-007530 · primarydocument.xml · nonDerivative · entry 4

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 252,198

F3 · kind: The sale reported on this Form 4 was made pursuant to a written trading plan adopted by the Reporting Person on March 4, 2021, in accordance with Rule 10b5-1.

F4 · price: Represents the weighted average sale price of the shares sold ranging from $40.00 to $40.92 per share, inclusive.

SEC source: 0001562180-21-007530 · primarydocument.xml · nonDerivative · entry 3

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 278,083

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: 0001562180-21-007530 · primarydocument.xml · nonDerivative · entry 2

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 263,652

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: 0001562180-21-007530 · primarydocument.xml · nonDerivative · entry 1

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,871

F1 · kind: Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

F2 · price: Represents a weighted average price reported by the broker. These shares were sold as part of a block trade in multiple transactions at prices ranging from $40.33 to $42.76, 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 range set forth in this footnote with regard to the block trade.

SEC source: 0001562180-21-005872 · primarydocument.xml · derivative · entry 9

Burton Daniel D. · CIK 0001780980 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,246

Underlying: Common Stock · 10,819 shares

Expires 2029-02-05

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.

F5 · derivative.exercise_date: 25% of the 299,748 shares underlying the option vested in an annual installment on February 5, 2020 and the remaining balance vested or will vest in equal monthly installments until the option vests in full on February 5, 2023.