DIBS

SEC source: 0001600641-24-000171 · wk-form4_1726094547.xml · derivative · entry 6

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,228

Underlying: Common Stock · 9,205 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 represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000171 · wk-form4_1726094547.xml · derivative · entry 5

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,521

Underlying: Common Stock · 2,904 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 represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: Twenty-five percent (25%) of the restricted stock units shall vest on December 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, the remaining seventy-five percent (75%) of the restricted stock units shall vest in 12 equal quarterly installments starting on March 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: Twenty-five percent (25%) of the restricted stock units shall vest on December 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, the remaining seventy-five percent (75%) of the restricted stock units shall vest in 12 equal quarterly installments starting on March 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000171 · wk-form4_1726094547.xml · nonDerivative · entry 4

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,033

F2 · shares: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on December 9, 2021, March 14, 2023, and March 15, 2024. None of these shares were sold in an open market transaction.

SEC source: 0001600641-24-000171 · wk-form4_1726094547.xml · nonDerivative · entry 3

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,676

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000171 · wk-form4_1726094547.xml · nonDerivative · entry 2

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,588

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000171 · wk-form4_1726094547.xml · nonDerivative · entry 1

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,383

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000173 · wk-form4_1726094567.xml · derivative · entry 7

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 665,000

Underlying: Common Stock · 47,500 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 represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000173 · wk-form4_1726094567.xml · derivative · entry 6

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 375,000

Underlying: Common Stock · 37,500 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 represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000173 · wk-form4_1726094567.xml · nonDerivative · entry 3

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,637,980

F2 · shares: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on March 15, 2023 and March 8, 2024. None of these shares were sold in an open market transaction.

SEC source: 0001600641-24-000173 · wk-form4_1726094567.xml · nonDerivative · entry 2

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,684,943

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000173 · wk-form4_1726094567.xml · nonDerivative · entry 1

ROSENBLATT DAVID S · CIK 0001237860 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,637,443

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000172 · wk-form4_1726094557.xml · derivative · entry 7

Etergino Thomas J · CIK 0001336088 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 156,450

Underlying: Common Stock · 11,175 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 represents a contingent right to receive one share of Issuer common stock.

F5 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F5 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000172 · wk-form4_1726094557.xml · derivative · entry 6

Etergino Thomas J · CIK 0001336088 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,938

Underlying: Common Stock · 16,562 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 represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: Twenty-five percent (25%) of the restricted stock units shall vest on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, the remaining seventy-five percent (75%) of the restricted stock units shall vest in 12 equal quarterly installments starting on September 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: Twenty-five percent (25%) of the restricted stock units shall vest on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, the remaining seventy-five percent (75%) of the restricted stock units shall vest in 12 equal quarterly installments starting on September 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000172 · wk-form4_1726094557.xml · derivative · entry 5

Etergino Thomas J · CIK 0001336088 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,623

Underlying: Common Stock · 14,104 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 represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000172 · wk-form4_1726094557.xml · nonDerivative · entry 4

Etergino Thomas J · CIK 0001336088 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 131,680

F2 · shares: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on June 2, 2022, March 14, 2023, and March 15, 2025. None of these shares were sold in an open market transaction.

SEC source: 0001600641-24-000172 · wk-form4_1726094557.xml · nonDerivative · entry 3

Etergino Thomas J · CIK 0001336088 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 153,041

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000172 · wk-form4_1726094557.xml · nonDerivative · entry 2

Etergino Thomas J · CIK 0001336088 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,866

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000172 · wk-form4_1726094557.xml · nonDerivative · entry 1

Etergino Thomas J · CIK 0001336088 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,304

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000175 · wk-form4_1726094587.xml · derivative · entry 5

Beauchamp Ryan · CIK 0001968904 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,625

Underlying: Common Stock · 7,963 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 represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000175 · wk-form4_1726094587.xml · derivative · entry 4

Beauchamp Ryan · CIK 0001968904 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,250

Underlying: Common Stock · 13,750 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 represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: Twenty-five percent (25%) of the restricted stock units shall vest on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, the remaining seventy-five percent (75%) of the restricted stock units shall vest in 12 equal quarterly installments starting on September 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: Twenty-five percent (25%) of the restricted stock units shall vest on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, the remaining seventy-five percent (75%) of the restricted stock units shall vest in 12 equal quarterly installments starting on September 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000175 · wk-form4_1726094587.xml · nonDerivative · entry 3

Beauchamp Ryan · CIK 0001968904 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,148

F2 · shares: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on June 14, 2023 and March 15, 2024. None of these shares were sold in an open market transaction.

SEC source: 0001600641-24-000175 · wk-form4_1726094587.xml · nonDerivative · entry 2

Beauchamp Ryan · CIK 0001968904 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,976

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000175 · wk-form4_1726094587.xml · nonDerivative · entry 1

Beauchamp Ryan · CIK 0001968904 · Chief Product Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,013

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000174 · wk-form4_1726094577.xml · derivative · entry 9

Goins Melanie F · CIK 0001775877 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,900

Underlying: Common Stock · 8,990 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 represents a contingent right to receive one share of Issuer common stock.

F6 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F6 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000174 · wk-form4_1726094577.xml · derivative · entry 8

Goins Melanie F · CIK 0001775877 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,988

Underlying: Common Stock · 8,831 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 represents a contingent right to receive one share of Issuer common stock.

F5 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F5 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000174 · wk-form4_1726094577.xml · derivative · entry 7

Goins Melanie F · CIK 0001775877 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,332

Underlying: Common Stock · 2,665 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 represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: Fifty percent (50%) of the initial number of restricted stock units granted shall vest in 4 equal quarterly installments starting on June 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, fifty percent (50%) of the initial number of restricted stock units granted shall vest in 8 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: Fifty percent (50%) of the initial number of restricted stock units granted shall vest in 4 equal quarterly installments starting on June 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, fifty percent (50%) of the initial number of restricted stock units granted shall vest in 8 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000174 · wk-form4_1726094577.xml · derivative · entry 6

Goins Melanie F · CIK 0001775877 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,988

Underlying: Common Stock · 5,331 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 represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000174 · wk-form4_1726094577.xml · nonDerivative · entry 5

Goins Melanie F · CIK 0001775877 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,882

F2 · shares: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on March 15, 2022, March 14, 2023, and March 15, 2024. None of these shares were sold in an open market transaction.

SEC source: 0001600641-24-000174 · wk-form4_1726094577.xml · nonDerivative · entry 4

Goins Melanie F · CIK 0001775877 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,745

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000174 · wk-form4_1726094577.xml · nonDerivative · entry 3

Goins Melanie F · CIK 0001775877 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,755

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000174 · wk-form4_1726094577.xml · nonDerivative · entry 2

Goins Melanie F · CIK 0001775877 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,924

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000174 · wk-form4_1726094577.xml · nonDerivative · entry 1

Goins Melanie F · CIK 0001775877 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,259

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000170 · wk-form4_1726094537.xml · derivative · entry 9

Hood Nancy · CIK 0001661732 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,275

Underlying: Common Stock · 9,128 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 represents a contingent right to receive one share of Issuer common stock.

F6 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F6 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000170 · wk-form4_1726094537.xml · derivative · entry 8

Hood Nancy · CIK 0001661732 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,725

Underlying: Common Stock · 8,788 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 represents a contingent right to receive one share of Issuer common stock.

F5 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F5 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000170 · wk-form4_1726094537.xml · derivative · entry 7

Hood Nancy · CIK 0001661732 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,544

Underlying: Common Stock · 1,772 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 represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: Fifty percent (50%) of the initial number of restricted stock units granted shall vest in 4 equal quarterly installments starting on June 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, fifty percent (50%) of the initial number of restricted stock units granted shall vest in 8 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: Fifty percent (50%) of the initial number of restricted stock units granted shall vest in 4 equal quarterly installments starting on June 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, fifty percent (50%) of the initial number of restricted stock units granted shall vest in 8 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000170 · wk-form4_1726094537.xml · derivative · entry 6

Hood Nancy · CIK 0001661732 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,263

Underlying: Common Stock · 3,544 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 represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuerat such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 16 equal quarterly installments starting on June 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuerat such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000170 · wk-form4_1726094537.xml · nonDerivative · entry 5

Hood Nancy · CIK 0001661732 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,502

F2 · shares: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on March 15, 2022, March 14, 2023, and March 15, 2024. None of these shares were sold in an open market transaction.

SEC source: 0001600641-24-000170 · wk-form4_1726094537.xml · nonDerivative · entry 4

Hood Nancy · CIK 0001661732 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,856

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000170 · wk-form4_1726094537.xml · nonDerivative · entry 3

Hood Nancy · CIK 0001661732 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,728

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000170 · wk-form4_1726094537.xml · nonDerivative · entry 2

Hood Nancy · CIK 0001661732 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,940

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000170 · wk-form4_1726094537.xml · nonDerivative · entry 1

Hood Nancy · CIK 0001661732 · Chief Marketing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,168

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000148 · wk-form4_1720656181.xml · nonDerivative · entry 1

Etergino Thomas J · CIK 0001336088 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 111,200

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan, adopted September 11, 2023.

SEC source: 0001600641-24-000146 · wk-form4_1718748184.xml · nonDerivative · entry 1

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,479

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan, adopted September 15, 2023.

SEC source: 0001600641-24-000184 · wk-form4a_1728433990.xml · nonDerivative · entry 1

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,479

F1 · kind: The sales reported on this Form 4 were previously reported in a timely manner and had been described as effected pursuant to a Rule 10b5-1 trading plan, adopted September 15, 2023. The sales of some of the shares were effected pursuant to a Rule 10b5-1 trading plan, adopted September 15, 2023, and also incorporated the non-discretionary sales of shares that were not part of such Rule 10b5-1 trading plan that had been inadvertently executed by the broker in accordance with plan directions. All other information regarding the sales was accurately reported.

SEC source: 0001600641-24-000132 · wk-form4_1718235663.xml · derivative · entry 2

Taylor Everette · CIK 0002009511 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,810 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 represents a contingent right to receive one share of Issuer common stock.

F2 · derivative.expiration_date: The restricted stock units have no expiration date.

SEC source: 0001600641-24-000132 · wk-form4_1718235663.xml · nonDerivative · entry 1

Taylor Everette · CIK 0002009511 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,810

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 represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001600641-24-000139 · wk-form4_1718235751.xml · derivative · entry 5

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,963

Underlying: Common Stock · 9,087 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 represents a contingent right to receive one share of Issuer common stock.

F5 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F5 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2024, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000139 · wk-form4_1718235751.xml · derivative · entry 4

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,433

Underlying: Common Stock · 9,204 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 represents a contingent right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F4 · derivative.expiration_date: The initial number of restricted stock units granted shall vest in 12 equal quarterly installments starting on June 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000139 · wk-form4_1718235751.xml · derivative · entry 3

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,425

Underlying: Common Stock · 2,904 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 represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: Twenty-five percent (25%) of the restricted stock units shall vest on December 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, the remaining seventy-five percent (75%) of the restricted stock units shall vest in 12 equal quarterly installments starting on March 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

F3 · derivative.expiration_date: Twenty-five percent (25%) of the restricted stock units shall vest on December 8, 2022, provided the Reporting Person continues to have a service relationship with the Issuer at such time. Thereafter, the remaining seventy-five percent (75%) of the restricted stock units shall vest in 12 equal quarterly installments starting on March 8, 2023, provided the Reporting Person continues to have a service relationship with the Issuer at such time. The restricted stock units have no expiration date.

SEC source: 0001600641-24-000139 · wk-form4_1718235751.xml · nonDerivative · entry 2

Rubinger Matthew · CIK 0001898365 · Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,900

F2 · shares: These shares were retained by 1stdibs, Inc. ("1stdibs") via settlement on a net withholding basis in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of restricted stock units ("RSUs") granted to the reporting person on December 9, 2021, March 14, 2023, and March 15, 2024. None of these shares were sold in an open market transaction.