15 Angels II LLC

SEC source: 0001193125-25-232247 · ownership.xml · derivative · entry 2

Bessemer Venture Partners IX L.P. · CIK 0001655213 · 10% owner

Bessemer Venture Partners IX Institutional L.P. · CIK 0001624149 · 10% owner

Deer IX & Co. Ltd. · CIK 0001655220 · 10% owner

Deer IX & Co. L.P. · CIK 0001655219 · 10% owner

Bessemer Venture Partners Century Fund L.P. · CIK 0001787478 · 10% owner

Bessemer Venture Partners Century Fund Institutional L.P. · CIK 0001787477 · 10% owner

Deer X & Co. Ltd. · CIK 0001768677 · 10% owner

Deer X & Co. L.P. · CIK 0001768637 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 8,500 shares

Expires not disclosed

F8 · derivative.exercise_price: The Issuer's Series B Preferred Stock was convertible at the option of the holder (subject to the expiration or early termination of the applicable waiting period, if any, under the HSR Act) into the number of shares of the Issuer's common stock equal to the quotient of (a) the sum of (i) the liquidation preference (initially $1,000 plus increases for accumulated quarterly dividends that are not paid in cash ("compounded dividends")) plus (ii) the accrued dividends with respect to each share of Series B Preferred Stock as of the applicable conversion date divided by (b) the conversion price as of the applicable conversion date (initially approximately $1.4169), subject to anti-dilution adjustments.

F1 · kind: On October 2, 2025, NH Holdings 2025, Inc. ("Buyer"), acquired the Issuer pursuant to a certain Agreement and Plan of Merger entered into by and among the Issuer, Buyer and NH Holdings Acquisition 2025, Inc., a wholly-owned subsidiary of Buyer ("Merger Sub"), dated as of December 23, 2024 (the "Merger Agreement"). In accordance with the Merger Agreement, the Issuer merged with and into Merger Sub, with the Issuer surviving such merger as a wholly-owned subsidiary of Buyer (the "Merger"). Parent and Merger Sub are indirectly controlled by private investment funds affiliated with New Enterprise Associates, Inc.

F2 · shares: Bessemer Venture Partners IX L.P. ("Bessemer IX"), Bessemer Venture Partners IX Parallel L.P. ("Bessemer IX Parallel"), Bessemer Venture Partners IX Institutional L.P. ("Bessemer Institutional, and together with Bessemer IX, and Bessemer IX Parallel, the "Bessemer IX Funds"), Bessemer Venture Partners Century Fund L.P. ("Bessemer Century"), Bessemer Venture Partners Century Fund Parallel L.P. ("Bessemer Century Parallel")

F3 · shares: (Continued from footnote 2) Bessemer Venture Partners Century Fund Institutional L.P. ("Bessemer Century Institutional", and together with Bessemer Century, and Bessemer Century Parallel, the "Bessemer Century Funds") and 15 Angels II LLC ("15 Angels") contributed 22,203 shares of Common Stock and 189 shares of Series B Preferred Stock (as defined below); 426,445 shares of Common Stoick and 3,628 shares of Series B Preferred Stock, 359,437 shares of Common Stock and 3,058 share of Series B Preferred Stock, 7,803 shares of Common Stock and 66 shares of Series B Preferred Stock, 18,326 shares of Common Stock and 156 shares of Series B Preferred Stock, 164,872 shares of Common Stock and 1,402 shares of Series B Preferred Stock, 132 shares of Common Stocka and 1 share of Series B Preferred Stock, respectively.

F4 · price: Pursuant to the Rollover Agreement, dated as of December 23, 2024 (the "Rollover Agreement "), entered into by and among NH Holdings 2025 SPV, L.P. ("Holdings"), NH Holdings 2025, Inc., NH Holdings Acquisition 2025, Inc. and the Reporting Person, the Reporting Person contributed its shares of Issuer common stock, Series A Convertible Perpetual Preferred Stock ("Series A Preferred Stock") and Series B Convertible Perpetual Preferred Stock ("Series B Preferred Stock") to Holdings in exchange for Holdings common units, series A preferred units and series B preferred units on a one-for-one basis in accordance with the Rollover Agreement, and effective as of the effective time of the Merger (the "Effective Time").

F8 · derivative.exercise_date: The Issuer's Series B Preferred Stock was convertible at the option of the holder (subject to the expiration or early termination of the applicable waiting period, if any, under the HSR Act) into the number of shares of the Issuer's common stock equal to the quotient of (a) the sum of (i) the liquidation preference (initially $1,000 plus increases for accumulated quarterly dividends that are not paid in cash ("compounded dividends")) plus (ii) the accrued dividends with respect to each share of Series B Preferred Stock as of the applicable conversion date divided by (b) the conversion price as of the applicable conversion date (initially approximately $1.4169), subject to anti-dilution adjustments.

F9 · derivative.expiration_date: The Series B Preferred Stock had no expiration date. At any time after the third anniversary of the original issuance date, if the closing price per share of Common Stock was greater than 287% of the then applicable conversion price (initially $4.07) for (x) at least 20 trading days in any period of 30 consecutive trading days and (y) the last trading day immediately before the Issuer provided notice of its election to convert, the Issuer may have elected to convert all of the Series B Preferred Stock into the relevant number of shares of Issuer common stock. [Continued on Note 10]

F10 · derivative.expiration_date: [Continuation of Note 9] At any time following the fifth anniversary of the original issuance date, the Issuer may have redeemed all of the Series B Preferred Stock for a per share amount in cash equal to: (i) the sum of (A) the liquidation preference (reflecting increases for compounded dividends) thereof plus (B) all accrued dividends as of the applicable redemption date, multiplied by (ii) (A) 105% if the redemption occurs at any time prior to the seventh anniversary of the original issuance date and (B) 100% if the redemption occurred at any time on or after the seventh anniversary of the original issuance date.

F5 · ownership.nature: Deer IX & Co. Ltd. ("Deer IX Ltd.") is the general partner of Deer IX & Co. L.P. ("Deer IX L.P."), which is the general partner of each of the Bessemer IX Funds. Deer IX Ltd. and Deer IX L.P. disclaim beneficial ownership of the securities held by the Bessemer IX Funds, and this report shall not be deemed an admission that Deer IX Ltd. and Deer IX L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect general partner interests in the Bessemer IX Funds. Deer X & Co. Ltd. ("Deer X Ltd.") is the general partner of Deer X & Co. L.P. ("Deer X L.P."), which is the general partner of each of the Bessemer Century Funds. Deer X Ltd. and Deer X L.P. disclaim beneficial ownership of the securities held by the Bessemer Century Funds, and this report shall not be deemed an admission that Deer X Ltd. and Deer X L.P.

F6 · ownership.nature: (Continued from footnote 5) are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect general partner interests in the Bessemer Century Funds. Pursuant to a proxy arrangement between Deer X L.P. and Deer IX L.P., Deer IX L.P., its general partner Deer IX Ltd., and the directors of Deer IX Ltd. make voting decisions with respect to the shares of the Issuer held by Bessemer Century and Bessemer Century Institutional. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII & Co. L.P. ("Deer VIII L.P."), which is the general partner of Bessemer Venture Partners VIII Institutional L.P. ("Bessemer VIII Institutional"), which is the sole member of 15 Angels. Deer VIII Ltd. and Deer VIII L.P. disclaim beneficial ownership of the securities held by 15 Angels, and this report shall not be deemed an admission that Deer VIII Ltd. and Deer VIII L.P.

F7 · ownership.nature: (Continued from footnote 6) are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect interests in 15 Angels.

SEC source: 0001193125-25-232247 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners IX L.P. · CIK 0001655213 · 10% owner

Bessemer Venture Partners IX Institutional L.P. · CIK 0001624149 · 10% owner

Deer IX & Co. Ltd. · CIK 0001655220 · 10% owner

Deer IX & Co. L.P. · CIK 0001655219 · 10% owner

Bessemer Venture Partners Century Fund L.P. · CIK 0001787478 · 10% owner

Bessemer Venture Partners Century Fund Institutional L.P. · CIK 0001787477 · 10% owner

Deer X & Co. Ltd. · CIK 0001768677 · 10% owner

Deer X & Co. L.P. · CIK 0001768637 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On October 2, 2025, NH Holdings 2025, Inc. ("Buyer"), acquired the Issuer pursuant to a certain Agreement and Plan of Merger entered into by and among the Issuer, Buyer and NH Holdings Acquisition 2025, Inc., a wholly-owned subsidiary of Buyer ("Merger Sub"), dated as of December 23, 2024 (the "Merger Agreement"). In accordance with the Merger Agreement, the Issuer merged with and into Merger Sub, with the Issuer surviving such merger as a wholly-owned subsidiary of Buyer (the "Merger"). Parent and Merger Sub are indirectly controlled by private investment funds affiliated with New Enterprise Associates, Inc.

F2 · shares: Bessemer Venture Partners IX L.P. ("Bessemer IX"), Bessemer Venture Partners IX Parallel L.P. ("Bessemer IX Parallel"), Bessemer Venture Partners IX Institutional L.P. ("Bessemer Institutional, and together with Bessemer IX, and Bessemer IX Parallel, the "Bessemer IX Funds"), Bessemer Venture Partners Century Fund L.P. ("Bessemer Century"), Bessemer Venture Partners Century Fund Parallel L.P. ("Bessemer Century Parallel")

F3 · shares: (Continued from footnote 2) Bessemer Venture Partners Century Fund Institutional L.P. ("Bessemer Century Institutional", and together with Bessemer Century, and Bessemer Century Parallel, the "Bessemer Century Funds") and 15 Angels II LLC ("15 Angels") contributed 22,203 shares of Common Stock and 189 shares of Series B Preferred Stock (as defined below); 426,445 shares of Common Stoick and 3,628 shares of Series B Preferred Stock, 359,437 shares of Common Stock and 3,058 share of Series B Preferred Stock, 7,803 shares of Common Stock and 66 shares of Series B Preferred Stock, 18,326 shares of Common Stock and 156 shares of Series B Preferred Stock, 164,872 shares of Common Stock and 1,402 shares of Series B Preferred Stock, 132 shares of Common Stocka and 1 share of Series B Preferred Stock, respectively.

F4 · price: Pursuant to the Rollover Agreement, dated as of December 23, 2024 (the "Rollover Agreement "), entered into by and among NH Holdings 2025 SPV, L.P. ("Holdings"), NH Holdings 2025, Inc., NH Holdings Acquisition 2025, Inc. and the Reporting Person, the Reporting Person contributed its shares of Issuer common stock, Series A Convertible Perpetual Preferred Stock ("Series A Preferred Stock") and Series B Convertible Perpetual Preferred Stock ("Series B Preferred Stock") to Holdings in exchange for Holdings common units, series A preferred units and series B preferred units on a one-for-one basis in accordance with the Rollover Agreement, and effective as of the effective time of the Merger (the "Effective Time").

F5 · ownership.nature: Deer IX & Co. Ltd. ("Deer IX Ltd.") is the general partner of Deer IX & Co. L.P. ("Deer IX L.P."), which is the general partner of each of the Bessemer IX Funds. Deer IX Ltd. and Deer IX L.P. disclaim beneficial ownership of the securities held by the Bessemer IX Funds, and this report shall not be deemed an admission that Deer IX Ltd. and Deer IX L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect general partner interests in the Bessemer IX Funds. Deer X & Co. Ltd. ("Deer X Ltd.") is the general partner of Deer X & Co. L.P. ("Deer X L.P."), which is the general partner of each of the Bessemer Century Funds. Deer X Ltd. and Deer X L.P. disclaim beneficial ownership of the securities held by the Bessemer Century Funds, and this report shall not be deemed an admission that Deer X Ltd. and Deer X L.P.

F6 · ownership.nature: (Continued from footnote 5) are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect general partner interests in the Bessemer Century Funds. Pursuant to a proxy arrangement between Deer X L.P. and Deer IX L.P., Deer IX L.P., its general partner Deer IX Ltd., and the directors of Deer IX Ltd. make voting decisions with respect to the shares of the Issuer held by Bessemer Century and Bessemer Century Institutional. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII & Co. L.P. ("Deer VIII L.P."), which is the general partner of Bessemer Venture Partners VIII Institutional L.P. ("Bessemer VIII Institutional"), which is the sole member of 15 Angels. Deer VIII Ltd. and Deer VIII L.P. disclaim beneficial ownership of the securities held by 15 Angels, and this report shall not be deemed an admission that Deer VIII Ltd. and Deer VIII L.P.

F7 · ownership.nature: (Continued from footnote 6) are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect interests in 15 Angels.

SEC source: 0001193125-25-213684 · ownership.xml · nonDerivative · entry 3

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,131,050

F1 · shares: On September 19, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 12,518 shares, 15,055 shares and 672 shares of Class A Common Stock of the Issuer, respectively.

F5 · price: These shares were sold at a weighted average price of $119.44. These shares were sold in multiple transactions at prices ranging from $119.09 to $119.51. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F6 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,128,739 shares, 3,830,146 shares, 171,926 shares and 189,399 shares of Class A Common Stock, respectively.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0001193125-25-213684 · ownership.xml · nonDerivative · entry 2

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,138,717

F1 · shares: On September 19, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 12,518 shares, 15,055 shares and 672 shares of Class A Common Stock of the Issuer, respectively.

F4 · price: These shares were sold at a weighted average price of $118.69. These shares were sold in multiple transactions at prices ranging from $118.10 to $119.07. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0001193125-25-213684 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 17,145,378

F1 · shares: On September 19, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 12,518 shares, 15,055 shares and 672 shares of Class A Common Stock of the Issuer, respectively.

F2 · price: These shares were sold at a weighted average price of $117.31. These shares were sold in multiple transactions at prices ranging from $117.00 to $117.74. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0001193125-25-207614 · ownership.xml · nonDerivative · entry 2

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,159,295

F4 · shares: On September 17, 2025, BVP VIII, BVP VIII Inst and 15 Angels sold 3,120 shares, 3,751 shares and 168 shares of Class A Common Stock of the Issuer, respectively.

F5 · price: These shares were sold at a weighted average price of $117.32. These shares were sold in multiple transactions at prices ranging from $117.01 to $117.97. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F6 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,141,257 shares, 3,845,201 shares, 172,598 shares and 189,399 shares of Class A Common Stock, respectively.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0001193125-25-207614 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,166,334

F1 · shares: On September 16, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 25,564 shares, 30,748 shares and 1,376 shares of Class A Common Stock of the Issuer, respectively.

F2 · price: These shares were sold at a weighted average price of $117.18. These shares were sold in multiple transactions at prices ranging from $117.00 to $117.45. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0001193125-25-205249 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,224,022

F1 · shares: On September 12, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 4,208 shares, 5,061 shares and 226 shares of Class A Common Stock of the Issuer, respectively.

F2 · price: These shares were sold at a weighted average price of $117.13. These shares were sold in multiple transactions at prices ranging from $117.00 to $117.90. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,169,941 shares, 3,879,700 shares, 174,142 shares and 189,399 shares of Class A Common Stock, respectively.

F4 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-114680 · ownership.xml · nonDerivative · entry 5

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,233,517

F7 · shares: On September 11, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 3,124 shares, 3,757 shares and 167 shares of Class A Common Stock of the Issuer, respectively.

F8 · price: These shares were sold at a weighted average price of $117.098. These shares were sold in multiple transactions at prices ranging from $117.00 to $117.283. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F9 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,174,149 shares, 3,884,761 shares, 174,368 shares and 189,399 shares of Class A Common Stock, respectively.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-114680 · ownership.xml · nonDerivative · entry 4

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,240,565

F1 · shares: On September 10, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 6,461 shares, 7,771 shares and 347 shares of Class A Common Stock of the Issuer, respectively.

F6 · price: These shares were sold at a weighted average price of $118.735. These shares were sold in multiple transactions at prices ranging from $118.60 to $119.00. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-114680 · ownership.xml · nonDerivative · entry 3

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,242,332

F1 · shares: On September 10, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 6,461 shares, 7,771 shares and 347 shares of Class A Common Stock of the Issuer, respectively.

F5 · price: These shares were sold at a weighted average price of $118.151. These shares were sold in multiple transactions at prices ranging from $117.685 to $118.59. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-114680 · ownership.xml · nonDerivative · entry 2

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,249,581

F1 · shares: On September 10, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 6,461 shares, 7,771 shares and 347 shares of Class A Common Stock of the Issuer, respectively.

F4 · price: These shares were sold at a weighted average price of $117,135. These shares were sold in multiple transactions at prices ranging from $116.669 to $117.654. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-114680 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,250,953

F1 · shares: On September 10, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 6,461 shares, 7,771 shares and 347 shares of Class A Common Stock of the Issuer, respectively.

F2 · price: These shares were sold at a weighted average price of $116.079. These shares were sold in multiple transactions at prices ranging from $115.65 to $116.641. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-113985 · ownership.xml · nonDerivative · entry 8

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,255,144

F7 · shares: On September 9, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 181,558 shares, 150,966 shares and 8,109 shares of Class A Common Stock of the Issuer, respectively.

F11 · price: These shares were sold at a weighted average price of $119.859. These shares were sold in multiple transactions at prices ranging from $119.80 to $119.99. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F12 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,183,734 shares, 3,896,289 shares, 174,882 shares and 189,399 shares of Class A Common Stock, respectively.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-113985 · ownership.xml · nonDerivative · entry 7

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,256,406

F7 · shares: On September 9, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 181,558 shares, 150,966 shares and 8,109 shares of Class A Common Stock of the Issuer, respectively.

F10 · price: These shares were sold at a weighted average price of $119.423. These shares were sold in multiple transactions at prices ranging from $118.87 to $119.796. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-113985 · ownership.xml · nonDerivative · entry 6

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,441,783

F7 · shares: On September 9, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 181,558 shares, 150,966 shares and 8,109 shares of Class A Common Stock of the Issuer, respectively.

F9 · price: These shares were sold at a weighted average price of $118.523. These shares were sold in multiple transactions at prices ranging from $117.87 to $118.869. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-113985 · ownership.xml · nonDerivative · entry 5

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,553,308

F7 · shares: On September 9, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 181,558 shares, 150,966 shares and 8,109 shares of Class A Common Stock of the Issuer, respectively.

F8 · price: These shares were sold at a weighted average price of $117.50. These shares were sold in multiple transactions at prices ranging from $116.876 to $117.869. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-113985 · ownership.xml · nonDerivative · entry 4

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,595,777

F1 · shares: On September 8, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 164,231 shares, 197,507 shares and 8,819 shares of Class A Common Stock of the Issuer, respectively.

F6 · price: These shares were sold at a weighted average price of $118.975. These shares were sold in multiple transactions at prices ranging from $118.482 to $119.43. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-113985 · ownership.xml · nonDerivative · entry 3

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,721,180

F1 · shares: On September 8, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 164,231 shares, 197,507 shares and 8,819 shares of Class A Common Stock of the Issuer, respectively.

F5 · price: These shares were sold at a weighted average price of $118.193. These shares were sold in multiple transactions at prices ranging from $117.485 to $118.478. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-113985 · ownership.xml · nonDerivative · entry 2

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,795,756

F1 · shares: On September 8, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 164,231 shares, 197,507 shares and 8,819 shares of Class A Common Stock of the Issuer, respectively.

F4 · price: These shares were sold at a weighted average price of $116.997. These shares were sold in multiple transactions at prices ranging from $116.48 to $117.474. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-113985 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,912,525

F1 · shares: On September 8, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 164,231 shares, 197,507 shares and 8,819 shares of Class A Common Stock of the Issuer, respectively.

F2 · price: These shares were sold at a weighted average price of $116.217. These shares were sold in multiple transactions at prices ranging from $115.48 to $116.477. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-095674 · ownership.xml · nonDerivative · entry 4

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,966,334

F6 · shares: On July 11, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 3,858 shares, 4,640 shares and 208 shares of Class A Common Stock of the Issuer, respectively.

F7 · price: These shares were sold at a weighted average price of $110.24. These shares were sold in multiple transactions at prices ranging from $110.00 to $110.95. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F8 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,529,523 shares, 4,244,762 shares, 191,810 shares and 189,399 shares of Class A Common Stock, respectively.

F3 · ownership.nature: These shares were sold at a weighted average price of $111.82. These shares were sold in multiple transactions at prices ranging from $111.50 to $112.485. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0000950170-25-095674 · ownership.xml · nonDerivative · entry 3

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,975,040

F1 · shares: On July 10, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 37,645 shares, 45,274 shares and 2,023 shares of Class A Common Stock of the Issuer, respectively.

F5 · price: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

F3 · ownership.nature: These shares were sold at a weighted average price of $111.82. These shares were sold in multiple transactions at prices ranging from $111.50 to $112.485. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0000950170-25-095674 · ownership.xml · nonDerivative · entry 2

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,975,669

F1 · shares: On July 10, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 37,645 shares, 45,274 shares and 2,023 shares of Class A Common Stock of the Issuer, respectively.

F4 · price: These shares were sold at a weighted average price of $112.59. These shares were sold in multiple transactions at prices ranging from $112.50 to $112.70. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: These shares were sold at a weighted average price of $111.82. These shares were sold in multiple transactions at prices ranging from $111.50 to $112.485. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0000950170-25-095674 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,014,058

F1 · shares: On July 10, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 37,645 shares, 45,274 shares and 2,023 shares of Class A Common Stock of the Issuer, respectively.

F2 · price: These shares were sold at a weighted average price of $111.05. These shares were sold in multiple transactions at prices ranging from $110.50 to $111.496. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: These shares were sold at a weighted average price of $111.82. These shares were sold in multiple transactions at prices ranging from $111.50 to $112.485. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0000950170-25-095106 · ownership.xml · nonDerivative · entry 2

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,059,982

F4 · shares: On July 9, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 5,029 shares, 6,047 shares and 270 shares of Class A Common Stock of the Issuer, respectively.

F5 · price: These shares were sold at a weighted average price of $110.65. These shares were sold in multiple transactions at prices ranging from $110.50 to $111.19. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F6 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,571,026 shares, 4,294,676 shares, 191,810 shares and 2,470 shares of Class A Common Stock, respectively.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-095106 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,071,328

F1 · shares: On July 8, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 390 shares, 469 shares and 20 shares of Class A Common Stock of the Issuer, respectively.

F2 · price: These shares were sold at a weighted average price of $110.54. These shares were sold in multiple transactions at prices ranging from $110.50 to $110.58. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-094266 · ownership.xml · nonDerivative · entry 3

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,072,207

F4 · shares: On July 3, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 25,765 shares, 30,985 shares and 1,383 shares of Class A Common Stock of the Issuer, respectively.

F6 · price: These shares were sold at a weighted average price of $111.35. These shares were sold in multiple transactions at prices ranging from $111.00 to $111.68. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F7 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,576,445 shares, 4,301,192 shares, 192,100 shares and 2,470 shares of Class A Common Stock, respectively.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-094266 · ownership.xml · nonDerivative · entry 2

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,096,689

F4 · shares: On July 3, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 25,765 shares, 30,985 shares and 1,383 shares of Class A Common Stock of the Issuer, respectively.

F5 · price: These shares were sold at a weighted average price of $110.751. These shares were sold in multiple transactions at prices ranging from $110.09 to $110.999. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-094266 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,130,340

F1 · shares: On July 2, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 4,614 shares, 5,549 shares and 248 shares of Class A Common Stock of the Issuer, respectively.

F2 · price: These shares were sold at a weighted average price of $110.596. These shares were sold in multiple transactions at prices ranging from $110.50 to $110.62. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-092364 · ownership.xml · nonDerivative · entry 7

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,140,751

F7 · shares: On June 30, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 47,490 shares, 57,112 shares and 2,550 shares of Class A Common Stock of the Issuer, respectively.

F10 · price: These shares were sold at a weighted average price of $108.62. These shares were sold in multiple transactions at prices ranging from $109.14 to $109.72. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F11 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,606,824 shares, 4,337,726 shares, 193,731 shares and 2,470 shares of Class A Common Stock, respectively.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-092364 · ownership.xml · nonDerivative · entry 6

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,158,338

F7 · shares: On June 30, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 47,490 shares, 57,112 shares and 2,550 shares of Class A Common Stock of the Issuer, respectively.

F9 · price: These shares were sold at a weighted average price of $108.62. These shares were sold in multiple transactions at prices ranging from $108.17 to $109.136. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-092364 · ownership.xml · nonDerivative · entry 5

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,228,395

F7 · shares: On June 30, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 47,490 shares, 57,112 shares and 2,550 shares of Class A Common Stock of the Issuer, respectively.

F8 · price: These shares were sold at a weighted average price of $107.76. These shares were sold in multiple transactions at prices ranging from $107.16 to $108.145. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-092364 · ownership.xml · nonDerivative · entry 4

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,247,903

F1 · shares: On June 27, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 52,353 shares, 62,961 shares and 2,811 shares of Class A Common Stock of the Issuer, respectively

F6 · price: These shares were sold at a weighted average price of $108.47. These shares were sold in multiple transactions at prices ranging from $108.41 to $108.54 The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-092364 · ownership.xml · nonDerivative · entry 3

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,248,553

F1 · shares: On June 27, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 52,353 shares, 62,961 shares and 2,811 shares of Class A Common Stock of the Issuer, respectively

F5 · price: These shares were sold at a weighted average price of $107.82. These shares were sold in multiple transactions at prices ranging from $107.50 to $108.39. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-092364 · ownership.xml · nonDerivative · entry 2

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,318,381

F1 · shares: On June 27, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 52,353 shares, 62,961 shares and 2,811 shares of Class A Common Stock of the Issuer, respectively

F4 · price: These shares were sold at a weighted average price of $107.06. These shares were sold in multiple transactions at prices ranging from $106.50 to $107.495. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-092364 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,359,344

F1 · shares: On June 27, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 52,353 shares, 62,961 shares and 2,811 shares of Class A Common Stock of the Issuer, respectively

F2 · price: These shares were sold at a weighted average price of $105.93. These shares were sold in multiple transactions at prices ranging from $105.55 to $106.46. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-091139 · ownership.xml · nonDerivative · entry 3

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,366,028

F4 · shares: On June 26, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 55,400 shares, 66,625 shares and 2,975 shares of Class A Common Stock of the Issuer, respectively.

F6 · price: These shares were sold at a weighted average price of $106.20. These shares were sold in multiple transactions at prices ranging from $106.00 to $106.59. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F7 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,706,667 shares, 4,457,799 shares, 199,092 shares and 2,470 shares of Class A Common Stock, respectively.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-091139 · ownership.xml · nonDerivative · entry 2

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,430,397

F4 · shares: On June 26, 2025, BVP VIII, BVP VIII Inst and 15 Angels II sold 55,400 shares, 66,625 shares and 2,975 shares of Class A Common Stock of the Issuer, respectively.

F5 · price: These shares were sold at a weighted average price of $105.51. These shares were sold in multiple transactions at prices ranging from $105.00 to $105.99. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-091139 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,491,028

F1 · shares: On June 25, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 5,559 shares, 6,685 shares and 299 shares of Class A Common Stock of the Issuer, respectively, at a weighted average price of $105.43. These shares were sold in multiple transactions at prices ranging from $105.02 to $105.59. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F1 · price: On June 25, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 5,559 shares, 6,685 shares and 299 shares of Class A Common Stock of the Issuer, respectively, at a weighted average price of $105.43. These shares were sold in multiple transactions at prices ranging from $105.02 to $105.59. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,762,067 shares, 4,524,424 shares, 202,067 shares and 2,470 shares of Class A Common Stock, respectively.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-25-085738 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,503,571

F1 · shares: On June 10, 2025, Bessemer Venture Partners VIII L.P. ("BVP VIII"), Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and 15 Angels II LLC ("15 Angels" and together with BVP VIII and BVP VIII Inst, the "Bessemer Funds") sold 221,596 shares, 266,502 shares and 11,902 shares of Class A Common Stock of the Issuer, respectively.

F2 · balance_after: After the sales, BVP VIII, BVP VIII Inst, 15 Angels and Cloud All Star Fund, L.P. ("CASF"), own 3,767,626 shares, 4,531,109, shares, 202,366 shares and 2,470 shares of Class A Common Stock, respectively.

F3 · ownership.nature: Certain affiliates of the Bessemer Funds own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of BVP VIII Inst. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of BVP VIII and BVP Inst VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Funds. Investment and voting decisions with respect to the securities held by the Bessemer Funds are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0000950170-24-137501 · ownership.xml · derivative · entry 6

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 134,269 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.

F4 · derivative.exercise_price: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · price: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · derivative.exercise_date: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · derivative.expiration_date: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of the Issuer's Common Stock was automatically reclassified into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F8 · derivative.underlying_shares: Reflects an adjustment to the conversion ratio in accordance with the terms of the preferred stock provided in the Issuer's Amended and Restated Certificate of Incorporation.

F3 · ownership.nature: Certain affiliates of the Bessemer Entities own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of Bessemer VIII Institutional. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of Bessemer VIII and Bessemer Institutional VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Entities. Investment and voting decisions with respect to the securities held by the Bessemer Entities are made by the directors of Deer VIII Ltd. acting as an investment committee.

F10 · ownership.nature: Consists of 126,091 shares of Series G Preferred Stock held by 15 Angels.

SEC source: 0000950170-24-137501 · ownership.xml · derivative · entry 5

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 119,198 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.

F4 · derivative.exercise_price: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · price: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · derivative.exercise_date: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · derivative.expiration_date: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of the Issuer's Common Stock was automatically reclassified into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F8 · derivative.underlying_shares: Reflects an adjustment to the conversion ratio in accordance with the terms of the preferred stock provided in the Issuer's Amended and Restated Certificate of Incorporation.

F3 · ownership.nature: Certain affiliates of the Bessemer Entities own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of Bessemer VIII Institutional. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of Bessemer VIII and Bessemer Institutional VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Entities. Investment and voting decisions with respect to the securities held by the Bessemer Entities are made by the directors of Deer VIII Ltd. acting as an investment committee.

F9 · ownership.nature: Consists of 61,048 shares of Series F Preferred Stock held by Bessemer Institutional VIII, 50,761 shares of Series F Preferred Stock held by Bessemer VIII, and 1,397 shares of Series F Preferred Stock held by CASF.

SEC source: 0000950170-24-137501 · ownership.xml · derivative · entry 4

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 190,151 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.

F4 · derivative.exercise_price: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · price: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · derivative.exercise_date: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · derivative.expiration_date: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of the Issuer's Common Stock was automatically reclassified into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F3 · ownership.nature: Certain affiliates of the Bessemer Entities own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of Bessemer VIII Institutional. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of Bessemer VIII and Bessemer Institutional VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Entities. Investment and voting decisions with respect to the securities held by the Bessemer Entities are made by the directors of Deer VIII Ltd. acting as an investment committee.

F7 · ownership.nature: Consists of 103,822 shares of Series D Preferred Stock held by Bessemer Institutional VIII and 86,329 shares of Series D Preferred Stock held by Bessemer VIII.

SEC source: 0000950170-24-137501 · ownership.xml · derivative · entry 3

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 343,744 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.

F4 · derivative.exercise_price: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · price: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · derivative.exercise_date: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · derivative.expiration_date: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of the Issuer's Common Stock was automatically reclassified into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F3 · ownership.nature: Certain affiliates of the Bessemer Entities own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of Bessemer VIII Institutional. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of Bessemer VIII and Bessemer Institutional VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Entities. Investment and voting decisions with respect to the securities held by the Bessemer Entities are made by the directors of Deer VIII Ltd. acting as an investment committee.

F6 · ownership.nature: Consists of 187,684 shares of Series C Preferred Stock held by Bessemer Institutional VIII and 156,060 shares of Series C Preferred Stock held by Bessemer VIII.

SEC source: 0000950170-24-137501 · ownership.xml · derivative · entry 2

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 8,135,210 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.

F4 · derivative.exercise_price: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · price: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · derivative.exercise_date: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F4 · derivative.expiration_date: Each share of Series A-3 Preferred Stock, Series C Preferred Stock, and Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series F Preferred Stock automatically converted into Common Stock on an approximately 1:1.05 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date. Each share of Series G Preferred Stock automatically converted into Common Stock on an approximately 1:1.06 basis immediately prior to the closing of the Issuer's initial public offering of Class A Common Stock and has no expiration date.

F1 · derivative.underlying: Pursuant to a reclassification exempt under Rule 16b-7, each share of the Issuer's Common Stock was automatically reclassified into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F3 · ownership.nature: Certain affiliates of the Bessemer Entities own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of Bessemer VIII Institutional. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of Bessemer VIII and Bessemer Institutional VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Entities. Investment and voting decisions with respect to the securities held by the Bessemer Entities are made by the directors of Deer VIII Ltd. acting as an investment committee.

F5 · ownership.nature: Consists of 4,441,825 shares of Series A-3 Preferred Stock held by Bessemer Institutional VIII and 3,693,385 shares of Series A-3 Preferred Stock held by Bessemer VIII.

SEC source: 0000950170-24-137501 · ownership.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Cloud All Star Fund, LP · CIK 0001828220 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 9,003,571

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

F1 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of the Issuer's Common Stock was automatically reclassified into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Consists of 214,268 shares of Class A Common Stock held by 15 Angels II LLC ("15 Angels"), 4,797,611 shares of Class A Common Stock heldy by Bessemer Venture Partners VIII Institutional LP ("Bessemer Institutional VIII"), 3,989,222 shares of Class A Common Stock held by Bessemer Venture Partners VIII, L.P. ("Bessemer VIII" and, together with Bessemer Institutional VIII and 15 Angels, the "Bessemer Entities"), and 2,470 shares of Common Stock held by Cloud All Star Fund, L.P. ("CASF").

F3 · ownership.nature: Certain affiliates of the Bessemer Entities own a material interest in Cloud All Star Fund GP, LLC, the general partner of CASF, which has voting and dispositive power with respect to the shares held by CASF. 15 Angels is a subsidiary of Bessemer VIII Institutional. Deer VIII & Co. L.P. ("Deer VIII L.P.") is the general partner of Bessemer VIII and Bessemer Institutional VIII. Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII L.P. Byron Deeter, David Cowan, Jeremy Levine, Robert P. Goodman, Scott Ring, Sandra Grippo and Robert M. Stavis are the directors of Deer VIII Ltd. and hold voting and dispositive power for the Bessemer Entities. Investment and voting decisions with respect to the securities held by the Bessemer Entities are made by the directors of Deer VIII Ltd. acting as an investment committee.

SEC source: 0001209191-22-054154 · doc4.xml · derivative · entry 1

Bessemer Venture Partners IX L.P. · CIK 0001655213 · 10% owner

Bessemer Venture Partners IX Institutional L.P. · CIK 0001624149 · 10% owner

Deer IX & Co. Ltd. · CIK 0001655220 · 10% owner

Deer IX & Co. L.P. · CIK 0001655219 · 10% owner

Bessemer Venture Partners Century Fund L.P. · CIK 0001787478 · 10% owner

Bessemer Venture Partners Century Fund Institutional L.P. · CIK 0001787477 · 10% owner

Deer X & Co. Ltd. · CIK 0001768677 · 10% owner

Deer X & Co. L.P. · CIK 0001768637 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 8,500

Underlying: Common Stock · 5,998,851 shares

Expires not disclosed

F1 · derivative.exercise_price: The Issuer's Series B Convertible Perpetual Preferred Stock ("Preferred Stock") is convertible at the option of the holder (subject to the expiration or early termination of the applicable waiting period, if any, under the HSR Act) into the number of shares of Issuer's common stock ("Common Stock") equal to the quotient of (a) the sum of (i) the liquidation preference (initially $1,000 plus increases for compounded dividends) plus (ii) the accrued dividends with respect to each share of Preferred Stock as of the applicable conversion date divided by (b) the conversion price (initially approximately $1.4169) as of the applicable conversion date, subject to anti-dilution adjustments.

F1 · price: The Issuer's Series B Convertible Perpetual Preferred Stock ("Preferred Stock") is convertible at the option of the holder (subject to the expiration or early termination of the applicable waiting period, if any, under the HSR Act) into the number of shares of Issuer's common stock ("Common Stock") equal to the quotient of (a) the sum of (i) the liquidation preference (initially $1,000 plus increases for compounded dividends) plus (ii) the accrued dividends with respect to each share of Preferred Stock as of the applicable conversion date divided by (b) the conversion price (initially approximately $1.4169) as of the applicable conversion date, subject to anti-dilution adjustments.

F1 · derivative.exercise_date: The Issuer's Series B Convertible Perpetual Preferred Stock ("Preferred Stock") is convertible at the option of the holder (subject to the expiration or early termination of the applicable waiting period, if any, under the HSR Act) into the number of shares of Issuer's common stock ("Common Stock") equal to the quotient of (a) the sum of (i) the liquidation preference (initially $1,000 plus increases for compounded dividends) plus (ii) the accrued dividends with respect to each share of Preferred Stock as of the applicable conversion date divided by (b) the conversion price (initially approximately $1.4169) as of the applicable conversion date, subject to anti-dilution adjustments.

F2 · derivative.expiration_date: The Preferred Stock has no expiration date. At any time after the third anniversary of the original issuance date, if the closing price per share of Common Stock is greater than 287% of the then- applicable conversion price (initially $4.07) for (x) each of at least 20 in any period of 30 consecutive trading days and (y) the last trading day immediately before the Issuer provides notice of its election to convert, the Issuer may elect to convert all of the Preferred Stock into the relevant number of shares of Common Stock. [Continued on Note 3]

F3 · derivative.expiration_date: [Continuation of Note 2] At any time on or after the fifth anniversary of the original issuance date, the Issuer may redeem all of the Preferred Stock for a per share amount in cash equal to: (i) the sum of (A) the liquidation preference (reflecting increases for compounded dividends) thereof plus (B) all accrued dividends as of the applicable redemption date, multiplied by (ii) (A) 105% if the redemption occurs at any time prior to the seventh anniversary of the original issuance date and (B) 100% if the redemption occurs at any time on or after the seventh anniversary of the original issuance date.

F4 · derivative.underlying_shares: As of the date hereof, Bessemer Venture Partners IX L.P. ("Bessemer IX"), Bessemer Venture Partners IX Institutional L.P. ("Bessemer Institutional, and together with Bessemer IX, the "Bessemer IX Funds"), Bessemer Venture Partners Century Fund L.P. ("Bessemer Century"), Bessemer Venture Partners Century Fund Institutional L.P. ("Bessemer Century Institutional", and together with Bessemer Century, the "Bessemer Century Funds") and 15 Angels II LLC ("15 Angels") own 2,693,837 shares of Common Stock underlying the Preferred Stock, 2,158,174 shares of Common Stock underlying the Preferred Stock, 156,675 shares of Common Stock underlying the Preferred Stock, 989,457 shares of Common Stock underlying the Preferred Stock and 705 shares of Common Stock underlying the Preferred Stock, respectively.

F5 · balance_after: As of the date hereof, Bessemer IX, Bessemer Institutional, Bessemer Century, Bessemer Century Institutional and 15 Angels own 3,817 shares of the Preferred Stock, 3,058 shares of the Preferred Stock, 222 shares of the Preferred Stock, 1,402 shares of the Preferred Stock and 1 share of the Preferred Stock, respectively.

F5 · ownership.nature: As of the date hereof, Bessemer IX, Bessemer Institutional, Bessemer Century, Bessemer Century Institutional and 15 Angels own 3,817 shares of the Preferred Stock, 3,058 shares of the Preferred Stock, 222 shares of the Preferred Stock, 1,402 shares of the Preferred Stock and 1 share of the Preferred Stock, respectively.

F6 · ownership.nature: Deer IX & Co. Ltd. ("Deer IX Ltd.") is the general partner of Deer IX & Co. L.P. ("Deer IX L.P."), which is the general partner of each of the Bessemer IX Funds. Deer IX Ltd. and Deer IX L.P. disclaim beneficial ownership of the securities held by the Bessemer IX Funds, and this report shall not be deemed an admission that Deer IX Ltd. and Deer IX L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect general partner interests in the Bessemer IX Funds.

F7 · ownership.nature: Deer X & Co. Ltd. ("Deer X Ltd.") is the general partner of Deer X & Co. L.P. ("Deer X L.P."), which is the general partner of each of the Bessemer Century Funds. Deer X Ltd. and Deer X L.P. disclaim beneficial ownership of the securities held by the Bessemer Century Funds, and this report shall not be deemed an admission that Deer X Ltd. and Deer X L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect general partner interests in the Bessemer Century Funds. Pursuant to a proxy arrangement between Deer X L.P. and Deer IX L.P., Deer IX L.P., its general partner Deer IX Ltd., and the directors of Deer IX Ltd. make voting decisions with respect to the shares of the Issuer held by Bessemer Century and Bessemer Century Institutional.

F8 · ownership.nature: Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII & Co. L.P. ("Deer VIII L.P."), which is the general partner of Bessemer Venture Partners VIII Institutional L.P. ("Bessemer VIII Institutional"), which is the sole member of 15 Angels. Deer VIII Ltd. and Deer VIII L.P. disclaim beneficial ownership of the securities held by 15 Angels, and this report shall not be deemed an admission that Deer VIII Ltd. and Deer VIII L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect interests in 15 Angels.

SEC source: 0000899243-21-045185 · doc4.xml · derivative · entry 5

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VII & Co. L.P. · CIK 0001540731 · 10% owner

GoBlue Ventures LLC · CIK 0001889592 · 10% owner

Wahoowa Ventures LLC · CIK 0001889593 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 202,540 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: Immediately prior to the completion of the Issuer's initial public offering, each share of Series Seed Preferred Stock, Series A Preferred Stock, Series B Preferred Stock, and Series B-1 Preferred Stock (together, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock on a 1:1 basis. The Preferred Stock had no expiration date.

F1 · kind: Immediately prior to the completion of the Issuer's initial public offering, each share of Series Seed Preferred Stock, Series A Preferred Stock, Series B Preferred Stock, and Series B-1 Preferred Stock (together, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock on a 1:1 basis. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Immediately prior to the completion of the Issuer's initial public offering, each share of Series Seed Preferred Stock, Series A Preferred Stock, Series B Preferred Stock, and Series B-1 Preferred Stock (together, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock on a 1:1 basis. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Immediately prior to the completion of the Issuer's initial public offering, each share of Series Seed Preferred Stock, Series A Preferred Stock, Series B Preferred Stock, and Series B-1 Preferred Stock (together, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock on a 1:1 basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII & Co. L.P. ("Deer VIII L.P."), which is the general partner of (a) Bessemer VIII Institutional, which is the sole member of 15 Angels and GoBlue and (b) Bessemer Venture Partners VIII L.P., which is the sole member of Wahoowa. Deer VIII Ltd. and Deer VIII L.P. disclaim beneficial ownership of the securities held by Bessemer VIII Institutional, 15 Angels, GoBlue, and Wahoowa and this report shall not be deemed an admission that Deer VIII Ltd. and Deer VIII L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect interests in Bessemer VIII Institutional, 15 Angels, GoBlue and Wahoowa.

F7 · ownership.nature: Prior to the conversion, Bessemer VIII Institutional, 15 Angels, GoBlue and Wahoowa owned 0 shares of Series B-1 Preferred Stock, 0 shares of Series B-1 Preferred Stock, 110,587 shares of Series B-1 Preferred Stock and 91,953 shares of Series B-1 Preferred Stock, respectively.

SEC source: 0000899243-21-045185 · doc4.xml · derivative · entry 4

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

Deer VII & Co. L.P. · CIK 0001540731 · 10% owner

GoBlue Ventures LLC · CIK 0001889592 · 10% owner

Wahoowa Ventures LLC · CIK 0001889593 · 10% owner

15 Angels II LLC · CIK 0001713257 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 524,809 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: Immediately prior to the completion of the Issuer's initial public offering, each share of Series Seed Preferred Stock, Series A Preferred Stock, Series B Preferred Stock, and Series B-1 Preferred Stock (together, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock on a 1:1 basis. The Preferred Stock had no expiration date.

F1 · kind: Immediately prior to the completion of the Issuer's initial public offering, each share of Series Seed Preferred Stock, Series A Preferred Stock, Series B Preferred Stock, and Series B-1 Preferred Stock (together, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock on a 1:1 basis. The Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Immediately prior to the completion of the Issuer's initial public offering, each share of Series Seed Preferred Stock, Series A Preferred Stock, Series B Preferred Stock, and Series B-1 Preferred Stock (together, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock on a 1:1 basis. The Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Immediately prior to the completion of the Issuer's initial public offering, each share of Series Seed Preferred Stock, Series A Preferred Stock, Series B Preferred Stock, and Series B-1 Preferred Stock (together, the "Preferred Stock") automatically converted into one share of the Issuer's Common Stock on a 1:1 basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII & Co. L.P. ("Deer VIII L.P."), which is the general partner of (a) Bessemer VIII Institutional, which is the sole member of 15 Angels and GoBlue and (b) Bessemer Venture Partners VIII L.P., which is the sole member of Wahoowa. Deer VIII Ltd. and Deer VIII L.P. disclaim beneficial ownership of the securities held by Bessemer VIII Institutional, 15 Angels, GoBlue, and Wahoowa and this report shall not be deemed an admission that Deer VIII Ltd. and Deer VIII L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect interests in Bessemer VIII Institutional, 15 Angels, GoBlue and Wahoowa.

F6 · ownership.nature: Prior to the conversion, Bessemer VIII Institutional, 15 Angels, GoBlue and Wahoowa owned 139,362 shares of Series B Preferred Stock, 182,187 shares of Series B Preferred Stock, 47,710 shares of Series B Preferred Stock and 155,550 shares of Series B Preferred Stock, respectively.