Volpi Michelangelo

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · derivative · entry 22

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VI (Jersey), L.P.

Disclosed balance after: 0

Underlying: Common Stock · 2,876,772 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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · price: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.exercise_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.expiration_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F6 · ownership.nature: The reported securities are directly held by Index VI.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · derivative · entry 21

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 0

Underlying: Common Stock · 3,074 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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · price: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.exercise_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.expiration_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F5 · ownership.nature: The reported securities are directly held by Index II PEF.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · derivative · entry 20

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 0

Underlying: Common Stock · 11,528 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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · price: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.exercise_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.expiration_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F5 · ownership.nature: The reported securities are directly held by Index II PEF.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · derivative · entry 19

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 0

Underlying: Common Stock · 35,007 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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · price: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.exercise_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.expiration_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F5 · ownership.nature: The reported securities are directly held by Index II PEF.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · derivative · entry 18

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II (Jersey), L.P.

Disclosed balance after: 0

Underlying: Common Stock · 207,734 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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · price: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.exercise_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.expiration_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F2 · ownership.nature: The reported securities are directly held by Index II (defined below).

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · derivative · entry 17

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II (Jersey), L.P.

Disclosed balance after: 0

Underlying: Common Stock · 779,009 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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · price: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.exercise_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.expiration_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F2 · ownership.nature: The reported securities are directly held by Index II (defined below).

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · derivative · entry 16

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II (Jersey), L.P.

Disclosed balance after: 0

Underlying: Common Stock · 2,370,596 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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · price: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.exercise_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F1 · derivative.expiration_date: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F2 · ownership.nature: The reported securities are directly held by Index II (defined below).

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 15

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Yucca (Jersey) SLP

Disclosed balance after: 161,363

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F8 · ownership.nature: The reported securities are directly held by Yucca.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 14

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Yucca (Jersey) SLP

Disclosed balance after: 158,694

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F8 · ownership.nature: The reported securities are directly held by Yucca.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 13

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Yucca (Jersey) SLP

Disclosed balance after: 148,687

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F8 · ownership.nature: The reported securities are directly held by Yucca.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 12

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Yucca (Jersey) SLP

Disclosed balance after: 118,237

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F8 · ownership.nature: The reported securities are directly held by Yucca.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 11

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Yucca (Jersey) SLP

Disclosed balance after: 80,608

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F8 · ownership.nature: The reported securities are directly held by Yucca.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 10

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VI Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 184,830

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F7 · ownership.nature: The reported securities are directly held by Index VI PEF.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 9

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VI Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 126,014

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F7 · ownership.nature: The reported securities are directly held by Index VI PEF.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 8

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VI (Jersey), L.P.

Disclosed balance after: 9,157,362

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F6 · ownership.nature: The reported securities are directly held by Index VI.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 7

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VI (Jersey), L.P.

Disclosed balance after: 6,243,474

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F6 · ownership.nature: The reported securities are directly held by Index VI.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 6

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 49,609

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F5 · ownership.nature: The reported securities are directly held by Index II PEF.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 5

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 46,535

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F5 · ownership.nature: The reported securities are directly held by Index II PEF.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 4

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 35,007

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

F5 · ownership.nature: The reported securities are directly held by Index II PEF.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II (Jersey), L.P.

Disclosed balance after: 3,357,339

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F2 · ownership.nature: The reported securities are directly held by Index II (defined below).

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II (Jersey), L.P.

Disclosed balance after: 3,149,605

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F2 · ownership.nature: The reported securities are directly held by Index II (defined below).

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0001626464-25-000007 · form4-12162025_011213.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth II (Jersey), L.P.

Disclosed balance after: 2,370,596

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: Pursuant to the Issuer's Restated Certificate of Incorporation, each share of Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, Series G Convertible Preferred Stock, or Series G-1 Convertible Preferred Stock (collectively, "Preferred Stock") may be converted, at the option of the holder, at any time. In connection with the completion of the Issuer's initial public offering of its Common Stock, each share of Preferred Stock automatically converted into shares of Common Stock at a ratio of 1-for-1. The securities have no expiration date.

F2 · ownership.nature: The reported securities are directly held by Index II (defined below).

F3 · ownership.nature: Index Venture Growth Associates II Limited ("IVGA II") is the managing general partner of Index Ventures Growth II (Jersey), L.P. ("Index II") and Index Ventures Growth II Parallel Entrepreneur Fund (Jersey) L.P. ("Index II PEF"). Index Venture Associates VI Limited ("IVA VI") is the managing general partner of Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI PEF" and together with Index II, Index II PEF and Index VI, the "Index Funds"). Yucca (Jersey) SLP ("Yucca") is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index Funds' investment in the Issuer.

F4 · ownership.nature: The Reporting Person is a retired partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of the Index Funds. The Reporting Person disclaims beneficial ownership of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0001626464-25-000005 · form4-12102025_061209.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 180,512

F1 · shares: Shares sold pursuant to a Rule 10b5-1 trading plan dated June 13, 2025.

F2 · price: The shares were sold at prices ranging from $29.70 to $29.84. The reporting person will provide to the SEC, the issuer or security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · ownership.nature: The shares are held by the Volpi-Cupal Family Trust, of which the reporting person serves as trustee. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001626464-25-000005 · form4-12102025_061209.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 235,041

F1 · shares: Shares sold pursuant to a Rule 10b5-1 trading plan dated June 13, 2025.

F2 · price: The shares were sold at prices ranging from $29.70 to $29.84. The reporting person will provide to the SEC, the issuer or security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001415889-25-016292 · form4-06092025_080648.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 267,079

F1 · shares: Shares sold pursuant to a Rule 10b5-1 trading plan dated May 28, 2024.

SEC source: 0001415889-25-004517 · form4-02182025_070213.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 292,079

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on May 28, 2024, by the Reporting Person.

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.39 to $36.79. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001415889-25-004517 · form4-02182025_070213.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 297,250

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on May 28, 2024, by the Reporting Person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.38 to $36.37. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0000950170-24-123360 · ownership.xml · nonDerivative · entry 10

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Yucca (Jersey) SLP

Disclosed balance after: 0

F7 · kind: On November 5, 2024, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 34,494 shares of the Issuer's Class B Common Stock into 34,494 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Yucca distributed in-kind, without consideration, 22,424 shares of Class A Common Stock pro-rata to its partners in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F7 · price: On November 5, 2024, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 34,494 shares of the Issuer's Class B Common Stock into 34,494 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Yucca distributed in-kind, without consideration, 22,424 shares of Class A Common Stock pro-rata to its partners in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F8 · ownership.nature: The shares are held of record by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index funds' investment in the Issuer. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · nonDerivative · entry 9

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Venture Associates VII Limited

Disclosed balance after: 0

F1 · kind: On November 5, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,028 shares of the Issuer's Class B Common Stock into 1,694,028 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII distributed in-kind, without consideration, 1,694,028 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 423,507 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F3 · kind: On November 5, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F1 · price: On November 5, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,028 shares of the Issuer's Class B Common Stock into 1,694,028 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII distributed in-kind, without consideration, 1,694,028 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 423,507 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F3 · price: On November 5, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F10 · ownership.nature: The shares are held of record by IVA VII.

SEC source: 0000950170-24-123360 · ownership.xml · nonDerivative · entry 8

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VII Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 0

F3 · kind: On November 5, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F3 · price: On November 5, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F4 · ownership.nature: The shares are held by Index VII Parallel. IVA VII is the general partner of Index VII Parallel. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · nonDerivative · entry 7

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VII (Jersey) L.P.

Disclosed balance after: 0

F1 · kind: On November 5, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,028 shares of the Issuer's Class B Common Stock into 1,694,028 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII distributed in-kind, without consideration, 1,694,028 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 423,507 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F1 · price: On November 5, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,028 shares of the Issuer's Class B Common Stock into 1,694,028 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII distributed in-kind, without consideration, 1,694,028 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 423,507 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F2 · ownership.nature: The shares are held by Index VII. IVA VII is the general partner of Index VII. The reporting person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of Index VII, Index Ventures VII Parallel Entrepreneur Fund (Jersey), L.P. ("Index VII Parallel") and Index Ventures Growth IV (Jersey) L.P. ("Index Growth IV"). The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · derivative · entry 16

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Yucca (Jersey) SLP

Disclosed balance after: 0

Underlying: Class A Common Stock · 34,494 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.

F13 · derivative.exercise_price: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F7 · kind: On November 5, 2024, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 34,494 shares of the Issuer's Class B Common Stock into 34,494 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Yucca distributed in-kind, without consideration, 22,424 shares of Class A Common Stock pro-rata to its partners in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F13 · derivative.exercise_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F13 · derivative.expiration_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F8 · ownership.nature: The shares are held of record by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index funds' investment in the Issuer. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · derivative · entry 15

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth IV (Jersey) L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 465,882 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.

F13 · derivative.exercise_price: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F5 · kind: On November 5, 2024, Index Growth IV converted in the aggregate 465,882 shares of the Issuer's Class B Common Stock into 465,882 shares of the Issuer's Class A Common Stock.

F13 · derivative.exercise_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F13 · derivative.expiration_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F6 · ownership.nature: The shares are held by Index Growth IV. Index Venture Growth Associates IV Limited ("IVGA IV") is the general partner of Index Growth IV. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · derivative · entry 14

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VII Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 41,976 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.

F13 · derivative.exercise_price: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F3 · kind: On November 5, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F13 · derivative.exercise_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F13 · derivative.expiration_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F4 · ownership.nature: The shares are held by Index VII Parallel. IVA VII is the general partner of Index VII Parallel. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · derivative · entry 13

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VII (Jersey) L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,694,028 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.

F13 · derivative.exercise_price: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F1 · kind: On November 5, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,028 shares of the Issuer's Class B Common Stock into 1,694,028 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII distributed in-kind, without consideration, 1,694,028 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 423,507 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F13 · derivative.exercise_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F13 · derivative.expiration_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F2 · ownership.nature: The shares are held by Index VII. IVA VII is the general partner of Index VII. The reporting person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of Index VII, Index Ventures VII Parallel Entrepreneur Fund (Jersey), L.P. ("Index VII Parallel") and Index Ventures Growth IV (Jersey) L.P. ("Index Growth IV"). The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · nonDerivative · entry 6

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Yucca (Jersey) SLP

Disclosed balance after: 22,424

F9 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.04 - $26.73. 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.

F8 · ownership.nature: The shares are held of record by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index funds' investment in the Issuer. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · nonDerivative · entry 5

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth IV (Jersey) L.P.

Disclosed balance after: 0

F9 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.04 - $26.73. 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.

F6 · ownership.nature: The shares are held by Index Growth IV. Index Venture Growth Associates IV Limited ("IVGA IV") is the general partner of Index Growth IV. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · nonDerivative · entry 4

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Yucca (Jersey) SLP

Disclosed balance after: 34,494

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 · kind: On November 5, 2024, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 34,494 shares of the Issuer's Class B Common Stock into 34,494 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Yucca distributed in-kind, without consideration, 22,424 shares of Class A Common Stock pro-rata to its partners in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F7 · price: On November 5, 2024, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 34,494 shares of the Issuer's Class B Common Stock into 34,494 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Yucca distributed in-kind, without consideration, 22,424 shares of Class A Common Stock pro-rata to its partners in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F8 · ownership.nature: The shares are held of record by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index funds' investment in the Issuer. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth IV (Jersey) L.P.

Disclosed balance after: 465,882

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 · kind: On November 5, 2024, Index Growth IV converted in the aggregate 465,882 shares of the Issuer's Class B Common Stock into 465,882 shares of the Issuer's Class A Common Stock.

F5 · price: On November 5, 2024, Index Growth IV converted in the aggregate 465,882 shares of the Issuer's Class B Common Stock into 465,882 shares of the Issuer's Class A Common Stock.

F6 · ownership.nature: The shares are held by Index Growth IV. Index Venture Growth Associates IV Limited ("IVGA IV") is the general partner of Index Growth IV. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VII Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 41,976

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.

F3 · kind: On November 5, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F3 · price: On November 5, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F4 · ownership.nature: The shares are held by Index VII Parallel. IVA VII is the general partner of Index VII Parallel. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-123360 · ownership.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VII (Jersey) L.P.

Disclosed balance after: 1,694,028

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 · kind: On November 5, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,028 shares of the Issuer's Class B Common Stock into 1,694,028 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII distributed in-kind, without consideration, 1,694,028 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 423,507 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F1 · price: On November 5, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,028 shares of the Issuer's Class B Common Stock into 1,694,028 shares of the Issuer's Class A Common Stock. Subsequently, on November 6, 2024, Index VII distributed in-kind, without consideration, 1,694,028 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 423,507 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F2 · ownership.nature: The shares are held by Index VII. IVA VII is the general partner of Index VII. The reporting person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of Index VII, Index Ventures VII Parallel Entrepreneur Fund (Jersey), L.P. ("Index VII Parallel") and Index Ventures Growth IV (Jersey) L.P. ("Index Growth IV"). The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001415889-24-026201 · form4-11052024_081107.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 280,200

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on May 28, 2024, by the Reporting Person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.34 to $26.24. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0000950170-24-097574 · ownership.xml · nonDerivative · entry 10

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Yucca (Jersey) SLP

Disclosed balance after: 0

F7 · kind: On August 13, 2024, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 34,493 shares of the Issuer's Class B Common Stock into 34,493 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024, Yucca distributed in-kind, without consideration, 22,423 shares of Class A Common Stock pro-rata to its partners in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F7 · price: On August 13, 2024, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 34,493 shares of the Issuer's Class B Common Stock into 34,493 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024, Yucca distributed in-kind, without consideration, 22,423 shares of Class A Common Stock pro-rata to its partners in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F8 · ownership.nature: The shares are held of record by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index funds' investment in the Issuer. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-097574 · ownership.xml · nonDerivative · entry 9

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Venture Associates VII Limited

Disclosed balance after: 0

F1 · kind: On August 13, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,029 shares of the Issuer's Class B Common Stock into 1,694,029 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024, Index VII distributed in-kind, without consideration, 1,694,029 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 308,328 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F3 · kind: On August 13, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024 Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F1 · price: On August 13, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,029 shares of the Issuer's Class B Common Stock into 1,694,029 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024, Index VII distributed in-kind, without consideration, 1,694,029 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 308,328 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F3 · price: On August 13, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024 Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F10 · ownership.nature: The shares are held of record by IVA VII.

SEC source: 0000950170-24-097574 · ownership.xml · nonDerivative · entry 8

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VII Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 0

F3 · kind: On August 13, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024 Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F3 · price: On August 13, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024 Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F4 · ownership.nature: The shares are held by Index VII Parallel. IVA VII is the general partner of Index VII Parallel. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-097574 · ownership.xml · nonDerivative · entry 7

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VII (Jersey) L.P.

Disclosed balance after: 0

F1 · kind: On August 13, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,029 shares of the Issuer's Class B Common Stock into 1,694,029 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024, Index VII distributed in-kind, without consideration, 1,694,029 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 308,328 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F1 · price: On August 13, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,029 shares of the Issuer's Class B Common Stock into 1,694,029 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024, Index VII distributed in-kind, without consideration, 1,694,029 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 308,328 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F2 · ownership.nature: The shares are held by Index VII. IVA VII is the general partner of Index VII. The reporting person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of Index VII, Index Ventures VII Parallel Entrepreneur Fund (Jersey), L.P. ("Index VII Parallel") and Index Ventures Growth IV (Jersey) L.P. ("Index Growth IV"). The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-097574 · ownership.xml · derivative · entry 16

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Yucca (Jersey) SLP

Disclosed balance after: 34,494

Underlying: Class A Common Stock · 34,493 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.

F13 · derivative.exercise_price: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F7 · kind: On August 13, 2024, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 34,493 shares of the Issuer's Class B Common Stock into 34,493 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024, Yucca distributed in-kind, without consideration, 22,423 shares of Class A Common Stock pro-rata to its partners in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F13 · derivative.exercise_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F13 · derivative.expiration_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F8 · ownership.nature: The shares are held of record by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index funds' investment in the Issuer. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-097574 · ownership.xml · derivative · entry 15

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures Growth IV (Jersey) L.P.

Disclosed balance after: 465,882

Underlying: Class A Common Stock · 465,882 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.

F13 · derivative.exercise_price: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F5 · kind: On August 13, 2024, Index Growth IV converted in the aggregate 465,882 shares of the Issuer's Class B Common Stock into 465,882 shares of the Issuer's Class A Common Stock.

F13 · derivative.exercise_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F13 · derivative.expiration_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F6 · ownership.nature: The shares are held by Index Growth IV. Index Venture Growth Associates IV Limited ("IVGA IV") is the general partner of Index Growth IV. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-097574 · ownership.xml · derivative · entry 14

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VII Parallel Entrepreneur Fund (Jersey) L.P.

Disclosed balance after: 41,976

Underlying: Class A Common Stock · 41,976 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.

F13 · derivative.exercise_price: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F3 · kind: On August 13, 2024, Index VII Parallel converted in the aggregate 41,976 shares of the Issuer's Class B Common Stock into 41,976 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024 Index VII Parallel distributed in-kind, without consideration, 41,976 shares of Class A Common Stock pro-rata to its limited partners and its general partner, IVA VII in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act. On the same date, IVA VII distributed in-kind, without consideration, 10,494 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F13 · derivative.exercise_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F13 · derivative.expiration_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F4 · ownership.nature: The shares are held by Index VII Parallel. IVA VII is the general partner of Index VII Parallel. The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0000950170-24-097574 · ownership.xml · derivative · entry 13

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Index Ventures VII (Jersey) L.P.

Disclosed balance after: 1,694,028

Underlying: Class A Common Stock · 1,694,029 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.

F13 · derivative.exercise_price: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F1 · kind: On August 13, 2024, Index Ventures VII (Jersey) L.P. ("Index VII") converted in the aggregate 1,694,029 shares of the Issuer's Class B Common Stock into 1,694,029 shares of the Issuer's Class A Common Stock. Subsequently, on August 14, 2024, Index VII distributed in-kind, without consideration, 1,694,029 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Index Venture Associates VII Limited ("IVA VII") in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). On the same date, IVA VII distributed in-kind, without consideration, 308,328 shares of Class A Common Stock received in the Index VII distribution pro-rata to its partners, in accordance with the exemptions afforded under Rule 16a-9(a) and Rule 16a-13 of the Exchange Act.

F13 · derivative.exercise_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F13 · derivative.expiration_date: Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

F2 · ownership.nature: The shares are held by Index VII. IVA VII is the general partner of Index VII. The reporting person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of Index VII, Index Ventures VII Parallel Entrepreneur Fund (Jersey), L.P. ("Index VII Parallel") and Index Ventures Growth IV (Jersey) L.P. ("Index Growth IV"). The reporting person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for Section 16 or any other purpose.