Daniel Nicholas

SEC source: 0001415889-25-023544 · form4-09032025_080940.xml · nonDerivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,683

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $51.295 to $52.12 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 range set forth in this footnote.

SEC source: 0001415889-25-021052 · form4-08052025_050801.xml · nonDerivative · entry 2

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,183

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $59.08 to $59.79 per share. 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.

SEC source: 0001415889-25-021052 · form4-08052025_050801.xml · nonDerivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,650

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $58.005 to $58.90 per share. 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.

SEC source: 0001415889-25-019357 · form4-07032025_060701.xml · derivative · entry 7

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,590

Underlying: Common Stock · 5,689 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.

F7 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F9 · derivative.exercise_date: The restricted stock units vest in 12 equal quarterly installments, beginning on July 1, 2025, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

F9 · derivative.expiration_date: The restricted stock units vest in 12 equal quarterly installments, beginning on July 1, 2025, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

SEC source: 0001415889-25-019357 · form4-07032025_060701.xml · derivative · entry 6

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,998

Underlying: Common Stock · 3,909 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.

F7 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F8 · derivative.exercise_date: The restricted stock units vest in 16 equal quarterly installments, beginning on July 1, 2024, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

F8 · derivative.expiration_date: The restricted stock units vest in 16 equal quarterly installments, beginning on July 1, 2024, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

SEC source: 0001415889-25-019357 · form4-07032025_060701.xml · nonDerivative · entry 5

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,683

F3 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F6 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $52.235 to $52.63 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 range set forth in this footnote.

SEC source: 0001415889-25-019357 · form4-07032025_060701.xml · nonDerivative · entry 4

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,904

F3 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F5 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $50.945 to $51.91 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 range set forth in this footnote.

SEC source: 0001415889-25-019357 · form4-07032025_060701.xml · nonDerivative · entry 3

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,801

F3 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $49.85 to $50.42 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 range set forth in this footnote.

SEC source: 0001415889-25-019357 · form4-07032025_060701.xml · nonDerivative · entry 2

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 36,183

F2 · kind: This transaction reported represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of the restricted stock units.

SEC source: 0001415889-25-019357 · form4-07032025_060701.xml · nonDerivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 41,420

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 · security: Shares of common stock acquired upon the vesting of restricted stock units.

SEC source: 0001415889-25-015654 · form4-06042025_100635.xml · nonDerivative · entry 3

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,822

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

SEC source: 0001415889-25-015654 · form4-06042025_100635.xml · nonDerivative · entry 2

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,963

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $58.28 to $59.06 per share. 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.

SEC source: 0001415889-25-015654 · form4-06042025_100635.xml · nonDerivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,318

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

SEC source: 0001415889-25-011995 · form4-05052025_090516.xml · nonDerivative · entry 2

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,322

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $43.305 to $43.87 per share. 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.

SEC source: 0001415889-25-011995 · form4-05052025_090516.xml · nonDerivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,867

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $42.25 to $43.14 per share. 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.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · derivative · entry 13

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,219

Underlying: Common Stock · 7,217 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.

F14 · derivative.exercise_price: Represents performance-based restricted stock units which correspond 1-for-1 with common stock.

F16 · derivative.exercise_date: The earned performance-based restricted stock units vest in equal installments on each of April 1, 2025 and April 1, 2026, provided the Reporting Person remains continuously employed on each vesting date, and have no expiration date.

F16 · derivative.expiration_date: The earned performance-based restricted stock units vest in equal installments on each of April 1, 2025 and April 1, 2026, provided the Reporting Person remains continuously employed on each vesting date, and have no expiration date.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · derivative · entry 12

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,686 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.

F14 · derivative.exercise_price: Represents performance-based restricted stock units which correspond 1-for-1 with common stock.

F15 · derivative.exercise_date: 75% of the earned performance-based restricted stock units vested in equal installments on each of April 1, 2023, 2024 and 2025, and remaining 25% vested on April 1, 2025, provided the Reporting Person remained continuously employed on each vesting date and had no expiration date.

F15 · derivative.expiration_date: 75% of the earned performance-based restricted stock units vested in equal installments on each of April 1, 2023, 2024 and 2025, and remaining 25% vested on April 1, 2025, provided the Reporting Person remained continuously employed on each vesting date and had no expiration date.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · derivative · entry 11

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 501 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.

F12 · security: Reflects a correction to the Reporting Person's Form 4 filed with the Securities and Exchange Commission on April 3, 2024 which inadvertently omitted the grant of these Restricted Stock Units included herein as vesting in full due to an administrative error.

F6 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F13 · derivative.exercise_date: The restricted stock units vested on April 1, 2025 and has no expiration date.

F13 · derivative.expiration_date: The restricted stock units vested on April 1, 2025 and has no expiration date.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · derivative · entry 10

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 46,907

Underlying: Common Stock · 3,909 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.

F6 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F11 · derivative.exercise_date: The restricted stock units vest in 16 equal quarterly installments, beginning on July 1, 2024, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

F11 · derivative.expiration_date: The restricted stock units vest in 16 equal quarterly installments, beginning on July 1, 2024, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · derivative · entry 9

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,001

Underlying: Common Stock · 4,501 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.

F6 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F10 · derivative.exercise_date: The restricted stock units vest in 8 equal semi-annual installments, beginning on October 1, 2023, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

F10 · derivative.expiration_date: The restricted stock units vest in 8 equal semi-annual installments, beginning on October 1, 2023, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · derivative · entry 8

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,167

Underlying: Common Stock · 4,055 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.

F6 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F9 · derivative.exercise_date: The restricted stock units vest in 8 equal semi-annual installments beginning on April 1, 2023, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

F9 · derivative.expiration_date: The restricted stock units vest in 8 equal semi-annual installments beginning on April 1, 2023, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · derivative · entry 7

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,146

Underlying: Common Stock · 1,572 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.

F6 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F8 · derivative.exercise_date: The restricted stock units vest in 8 equal semi-annual installments, beginning on October 1, 2022, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

F8 · derivative.expiration_date: The restricted stock units vest in 8 equal semi-annual installments, beginning on October 1, 2022, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · derivative · entry 6

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 118 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.

F6 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F7 · derivative.exercise_date: The restricted stock units vest in 6 equal semi-annual installments, beginning on October 1, 2022, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

F7 · derivative.expiration_date: The restricted stock units vest in 6 equal semi-annual installments, beginning on October 1, 2022, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · nonDerivative · entry 5

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,822

F3 · kind: These shares were sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · nonDerivative · entry 4

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,942

F3 · kind: These shares were sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F5 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $47.745 to $48.57 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 range set forth in this footnote.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · nonDerivative · entry 3

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 36,171

F3 · kind: These shares were sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $46.73 to $47.695 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 range set forth in this footnote.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · nonDerivative · entry 2

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 36,322

F2 · kind: This transaction reported represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of the restricted stock units.

SEC source: 0001415889-25-010038 · form4-04032025_050408.xml · nonDerivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 46,257

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 · security: Shares of common stock acquired upon the vesting of the restricted stock units and performance stock units.

SEC source: 0001415889-25-008578 · form4-03192025_040301.xml · derivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,279

Underlying: Common Stock · 68,279 shares

Expires not disclosed

F1 · security: The Reporting Person has irrevocably elected to satisfy all withholding tax due upon the delivery of shares by authorizing Etsy, Inc. to withhold a sufficient amount of shares to satisfy such tax obligation.

F2 · derivative.exercise_price: Units correspond 1-for-1 with common stock.

F3 · derivative.exercise_date: The restricted stock units vest in 12 equal quarterly installments, beginning on July 1, 2025, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

F3 · derivative.expiration_date: The restricted stock units vest in 12 equal quarterly installments, beginning on July 1, 2025, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

SEC source: 0001415889-25-007425 · form4-03072025_040332.xml · derivative · entry 2

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,436

Underlying: Common Stock · 14,436 shares

Expires not disclosed

F1 · security: The Reporting Person has irrevocably elected to satisfy all withholding tax due upon the delivery of shares by authorizing Etsy, Inc. to withhold a sufficient amount of shares to satisfy such tax obligation.

F2 · derivative.exercise_price: Units correspond 1-for-1 with common stock.

F4 · shares: Represents the number of shares earned under a PSU award based on the Issuer's satisfaction of certain performance criteria of the award. Each PSU represents the contingent right to receive one share of common stock of the Issuer. In light of the performance-based conditions of the PSU award, such shares were not reportable under Section 16 until the performance conditions were certified by the Issuer's Compensation Committee as achieved (which occurred on March 5, 2025). The earned shares will vest in equal installments on each of April 1, 2025 and April 1, 2026, subject to the Reporting Person remaining continuously employed through each vesting date. The earned shares reported on this form represent 75% of the total number of shares subject to the PSU award. The remaining 25% of the shares subject to the PSU award will be earned upon the satisfaction of additional performance vesting criteria through the end of the applicable performance period.

F4 · derivative.exercise_date: Represents the number of shares earned under a PSU award based on the Issuer's satisfaction of certain performance criteria of the award. Each PSU represents the contingent right to receive one share of common stock of the Issuer. In light of the performance-based conditions of the PSU award, such shares were not reportable under Section 16 until the performance conditions were certified by the Issuer's Compensation Committee as achieved (which occurred on March 5, 2025). The earned shares will vest in equal installments on each of April 1, 2025 and April 1, 2026, subject to the Reporting Person remaining continuously employed through each vesting date. The earned shares reported on this form represent 75% of the total number of shares subject to the PSU award. The remaining 25% of the shares subject to the PSU award will be earned upon the satisfaction of additional performance vesting criteria through the end of the applicable performance period.

F4 · derivative.expiration_date: Represents the number of shares earned under a PSU award based on the Issuer's satisfaction of certain performance criteria of the award. Each PSU represents the contingent right to receive one share of common stock of the Issuer. In light of the performance-based conditions of the PSU award, such shares were not reportable under Section 16 until the performance conditions were certified by the Issuer's Compensation Committee as achieved (which occurred on March 5, 2025). The earned shares will vest in equal installments on each of April 1, 2025 and April 1, 2026, subject to the Reporting Person remaining continuously employed through each vesting date. The earned shares reported on this form represent 75% of the total number of shares subject to the PSU award. The remaining 25% of the shares subject to the PSU award will be earned upon the satisfaction of additional performance vesting criteria through the end of the applicable performance period.

SEC source: 0001415889-25-007425 · form4-03072025_040332.xml · derivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,188

Underlying: Common Stock · 2,188 shares

Expires not disclosed

F1 · security: The Reporting Person has irrevocably elected to satisfy all withholding tax due upon the delivery of shares by authorizing Etsy, Inc. to withhold a sufficient amount of shares to satisfy such tax obligation.

F2 · derivative.exercise_price: Units correspond 1-for-1 with common stock.

F3 · shares: Represents the number of units earned under a performance-based restricted stock unit ("PSU") award based on the Issuer's satisfaction of certain performance criteria of the award. Each PSU represents the contingent right to receive one share of common stock of the Issuer. In light of the performance-based conditions of the PSU award, such shares were not reportable under Section 16 until the performance conditions were certified by the Issuer's Compensation Committee as achieved (which occurred on March 5, 2025). The earned shares will vest in full on April 1, 2025, subject to the Reporting Person remaining continuously employed through the vesting date.

F3 · derivative.exercise_date: Represents the number of units earned under a performance-based restricted stock unit ("PSU") award based on the Issuer's satisfaction of certain performance criteria of the award. Each PSU represents the contingent right to receive one share of common stock of the Issuer. In light of the performance-based conditions of the PSU award, such shares were not reportable under Section 16 until the performance conditions were certified by the Issuer's Compensation Committee as achieved (which occurred on March 5, 2025). The earned shares will vest in full on April 1, 2025, subject to the Reporting Person remaining continuously employed through the vesting date.

F3 · derivative.expiration_date: Represents the number of units earned under a performance-based restricted stock unit ("PSU") award based on the Issuer's satisfaction of certain performance criteria of the award. Each PSU represents the contingent right to receive one share of common stock of the Issuer. In light of the performance-based conditions of the PSU award, such shares were not reportable under Section 16 until the performance conditions were certified by the Issuer's Compensation Committee as achieved (which occurred on March 5, 2025). The earned shares will vest in full on April 1, 2025, subject to the Reporting Person remaining continuously employed through the vesting date.

SEC source: 0001415889-25-007012 · form4-03052025_100337.xml · nonDerivative · entry 2

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,698

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $50.60 to $51.40 per share. 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.

SEC source: 0001415889-25-007012 · form4-03052025_100337.xml · nonDerivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,612

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $49.545 to $50.49 per share. 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.

SEC source: 0001415889-25-002962 · form4-02042025_090245.xml · nonDerivative · entry 2

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,198

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

SEC source: 0001415889-25-002962 · form4-02042025_090245.xml · nonDerivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,202

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $54.92 to $55.87 per share. 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.

SEC source: 0001415889-25-000511 · form4-01032025_090154.xml · nonDerivative · entry 4

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,698

F3 · kind: These shares were sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

SEC source: 0001415889-25-000511 · form4-01032025_090154.xml · nonDerivative · entry 3

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,844

F3 · kind: These shares were sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $53.16 to $53.96 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 range set forth in this footnote.

SEC source: 0001415889-25-000511 · form4-01032025_090154.xml · derivative · entry 5

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,816

Underlying: Common Stock · 3,909 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.

F5 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F6 · derivative.exercise_date: The restricted stock units vest in 16 equal quarterly installments, beginning on July 1, 2024, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

F6 · derivative.expiration_date: The restricted stock units vest in 16 equal quarterly installments, beginning on July 1, 2024, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

SEC source: 0001415889-25-000511 · form4-01032025_090154.xml · nonDerivative · entry 2

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,198

F2 · kind: This transaction reported represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of the restricted stock units.

SEC source: 0001415889-25-000511 · form4-01032025_090154.xml · nonDerivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 26,780

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 · security: Shares of common stock acquired upon the vesting of the restricted stock units.

SEC source: 0001415889-24-028273 · form4-12042024_041201.xml · nonDerivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,871

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2024.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $54.13 to $54.89 per share. 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.

SEC source: 0001415889-24-026182 · form4-11052024_101146.xml · nonDerivative · entry 2

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,371

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 3, 2023.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $52.09 to $52.925 per share. 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.

SEC source: 0001415889-24-026182 · form4-11052024_101146.xml · nonDerivative · entry 1

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,082

F1 · kind: These sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 3, 2023.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $50.78 to $51.725 per share. 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.

SEC source: 0001415889-24-024649 · form4-10032024_091021.xml · derivative · entry 10

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,725

Underlying: Common Stock · 3,909 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.

F6 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F11 · derivative.exercise_date: The restricted stock units vest in 16 equal quarterly installments, beginning on July 1, 2024, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

F11 · derivative.expiration_date: The restricted stock units vest in 16 equal quarterly installments, beginning on July 1, 2024, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

SEC source: 0001415889-24-024649 · form4-10032024_091021.xml · derivative · entry 9

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,502

Underlying: Common Stock · 4,500 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.

F6 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F10 · derivative.exercise_date: The restricted stock units vest in 8 equal semi-annual installments, beginning on October 1, 2023, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

F10 · derivative.expiration_date: The restricted stock units vest in 8 equal semi-annual installments, beginning on October 1, 2023, provided the Reporting Person remains continuously employed on, or becomes retirement eligible prior to, such vesting date and has no expiration date.

SEC source: 0001415889-24-024649 · form4-10032024_091021.xml · derivative · entry 8

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,222

Underlying: Common Stock · 4,056 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.

F6 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F9 · derivative.exercise_date: The restricted stock units vest in 8 equal semi-annual installments beginning on April 1, 2023, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

F9 · derivative.expiration_date: The restricted stock units vest in 8 equal semi-annual installments beginning on April 1, 2023, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

SEC source: 0001415889-24-024649 · form4-10032024_091021.xml · derivative · entry 7

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,718

Underlying: Common Stock · 1,573 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.

F6 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F8 · derivative.exercise_date: The restricted stock units vest in 8 equal semi-annual installments, beginning on October 1, 2022, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

F8 · derivative.expiration_date: The restricted stock units vest in 8 equal semi-annual installments, beginning on October 1, 2022, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

SEC source: 0001415889-24-024649 · form4-10032024_091021.xml · derivative · entry 6

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 118

Underlying: Common Stock · 117 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.

F6 · derivative.exercise_price: Represents restricted stock units which correspond 1-for-1 with common stock.

F7 · derivative.exercise_date: The restricted stock units vest in 6 equal semi-annual installments, beginning on October 1, 2022, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

F7 · derivative.expiration_date: The restricted stock units vest in 6 equal semi-annual installments, beginning on October 1, 2022, provided the Reporting Person remains continuously employed on each vesting date and has no expiration date.

SEC source: 0001415889-24-024649 · form4-10032024_091021.xml · nonDerivative · entry 5

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,121

F3 · kind: These shares were sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 3, 2023.

SEC source: 0001415889-24-024649 · form4-10032024_091021.xml · nonDerivative · entry 4

Daniel Nicholas · CIK 0001938056 · CHIEF PRODUCT OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,123

F3 · kind: These shares were sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 3, 2023.

F5 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $53.66 to $54.645 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 range set forth in this footnote.