NTSK

SEC source: 0002083367-26-000002 · form4-01052026_110153.xml · derivative · entry 7

Beri Sanjay · CIK 0002083367 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,674,079

Underlying: Class B Common Stock · 451,417 shares

Expires not disclosed

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

F6 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class B Common Stock.

F7 · kind: Settlement of the vested RSUs was deferred until December 31, 2025.

F8 · derivative.exercise_date: The remaining RSUs vest in 17 equal quarterly installments beginning on January 1, 2026.

F8 · derivative.expiration_date: The remaining RSUs vest in 17 equal quarterly installments beginning on January 1, 2026.

SEC source: 0002083367-26-000002 · form4-01052026_110153.xml · nonDerivative · entry 2

Beri Sanjay · CIK 0002083367 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F2 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the settlement of restricted stock units, or RSUs.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.48 to $17.92, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3) through (5) to this Form 4.

SEC source: 0002083367-26-000002 · form4-01052026_110153.xml · nonDerivative · entry 1

Beri Sanjay · CIK 0002083367 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,553

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

F1 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

SEC source: 0001288241-25-000013 · form4-12292025_091211.xml · derivative · entry 4

DEL MATTO ANDREW H · CIK 0001288241 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 329,566

Underlying: Class B Common Stock · 329,566 shares

Expires not disclosed

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

F6 · derivative.exercise_price: Each restricted stock unit, or RSU, represents a contingent right to receive one share of Class B Common Stock.

F4 · kind: The PSUs vested upon satisfaction of certain market capitalization milestones and continued employment of the reporting person through such date. Settlement of the vested PSUs is deferred until December 31, 2025.

F7 · derivative.exercise_date: The RSUs vested upon achievement of the performance metrics described in footnote (5) above.

F7 · derivative.expiration_date: The RSUs vested upon achievement of the performance metrics described in footnote (5) above.

SEC source: 0001288241-25-000013 · form4-12292025_091211.xml · derivative · entry 3

DEL MATTO ANDREW H · CIK 0001288241 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 170,434

Underlying: Class B Common Stock · 329,566 shares

Expires 2030-01-27

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

F3 · derivative.exercise_price: Each performance-based RSU, or PSU, represents a contingent right to receive one share of Class B Common Stock.

F4 · kind: The PSUs vested upon satisfaction of certain market capitalization milestones and continued employment of the reporting person through such date. Settlement of the vested PSUs is deferred until December 31, 2025.

F5 · derivative.exercise_date: The PSUs vest upon the Issuer's achievement of certain market capitalization milestones: 1/3 of the PSUs vest upon the Issuer's achievement of each of a $10 billion market capitalization, $12.5 billion market capitalization, and $15 billion market capitalization. Market capitalization will be measured as of the closing of the Issuer's initial public offering and as of each monthly anniversary thereafter based on the highest 60-day trading average per share ending during the applicable month, as reasonably determined by the board of directors or board committee, and determined on a prorated basis if the market capitalization is between any two market capitalization milestones.

SEC source: 0002083367-25-000004 · form4-12292025_091236.xml · derivative · entry 2

Beri Sanjay · CIK 0002083367 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,950,880

Underlying: Class B Common Stock · 5,950,880 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 restricted stock unit, or RSU, represents a contingent right to receive one share of Class B Common Stock.

F2 · kind: The PSUs vested upon satisfaction of certain market capitalization milestones and continued employment of the reporting person through such date. Settlement of the vested PSUs is deferred until December 31, 2025.

F5 · derivative.exercise_date: The remaining RSUs vest in 45 equal monthly installments beginning on January 19, 2026.

F5 · derivative.expiration_date: The remaining RSUs vest in 45 equal monthly installments beginning on January 19, 2026.

SEC source: 0002083367-25-000004 · form4-12292025_091236.xml · derivative · entry 1

Beri Sanjay · CIK 0002083367 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,077,448

Underlying: Class B Common Stock · 5,950,880 shares

Expires 2032-04-14

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

F1 · derivative.exercise_price: Each performance-based RSU, or PSU, represents a contingent right to receive one share of Class B Common Stock.

F2 · kind: The PSUs vested upon satisfaction of certain market capitalization milestones and continued employment of the reporting person through such date. Settlement of the vested PSUs is deferred until December 31, 2025.

F3 · derivative.exercise_date: The PSUs require the satisfaction of three vesting requirements in order for the PSUs to vest. The liquidity event requirement was satisfied upon the closing of the Issuer's initial public offering (the "IPO"). The service condition is satisfied in 48 equal monthly installments beginning on September 19, 2025. The market condition is satisfied upon the Issuer's achievement of certain market capitalization milestones: 1/3 of the PSUs vest upon the Issuer's achievement of each of a $10 billion market capitalization, $12.5 billion market capitalization, and $15 billion market capitalization. Market capitalization will be measured as of the closing of the IPO and as of each monthly anniversary thereafter based on the highest 60-day trading average per share ending during the applicable month, as reasonably determined by the Issuer's board of directors or board committee, and determined on a prorated basis if the market capitalization is between any two market capitalization milestones.

SEC source: 0001295402-26-000002 · form4-04032026_090416.xml · derivative · entry 4

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,220,562 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F3 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A Common Stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

SEC source: 0001295402-26-000002 · form4-04032026_090416.xml · nonDerivative · entry 2

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,220,562

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

F1 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

SEC source: 0001295402-26-000002 · form4-04032026_090416.xml · derivative · entry 3

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 200,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F3 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A Common Stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F2 · ownership.nature: The shares are held of record by The Enrique Salem 2017 Grantor Retained Annuity Trust for which the reporting person serves as trustee.

SEC source: 0001295402-26-000002 · form4-04032026_090416.xml · nonDerivative · entry 1

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 200,000

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

F1 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F2 · ownership.nature: The shares are held of record by The Enrique Salem 2017 Grantor Retained Annuity Trust for which the reporting person serves as trustee.

SEC source: 0001288241-25-000011 · form4-11252025_111155.xml · derivative · entry 2

DEL MATTO ANDREW H · CIK 0001288241 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,791

Underlying: Class A Common Stock · 41,493 shares

Expires not disclosed

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

F3 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F3 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F4 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A Common Stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

SEC source: 0001288241-25-000011 · form4-11252025_111155.xml · derivative · entry 1

DEL MATTO ANDREW H · CIK 0001288241 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,225,342

Underlying: Class B Common Stock · 41,493 shares

Expires 2029-06-19

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

F1 · kind: The reported transaction relates solely to an option exercise by the reporting person.

F2 · derivative.exercise_date: The shares subject to the option are fully vested and immediately exercisable.

SEC source: 0001288241-25-000013 · form4-12292025_091211.xml · derivative · entry 2

DEL MATTO ANDREW H · CIK 0001288241 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,298

Underlying: Class A Common Stock · 41,493 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F2 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A Common Stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

SEC source: 0001288241-25-000013 · form4-12292025_091211.xml · nonDerivative · entry 1

DEL MATTO ANDREW H · CIK 0001288241 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,493

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

F1 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

SEC source: 0001288241-25-000009 · form4-10032025_111020.xml · derivative · entry 3

DEL MATTO ANDREW H · CIK 0001288241 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,298

Underlying: Class A Common Stock · 8,451 shares

Expires not disclosed

F3 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F5 · shares: The shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of RSUs.

F3 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F4 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A Common Stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

SEC source: 0001288241-25-000009 · form4-10032025_111020.xml · derivative · entry 2

DEL MATTO ANDREW H · CIK 0001288241 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,749

Underlying: Class A Common Stock · 15,625 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.

F3 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F3 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F4 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A Common Stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

SEC source: 0001288241-25-000009 · form4-10032025_111020.xml · derivative · entry 1

DEL MATTO ANDREW H · CIK 0001288241 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,750

Underlying: Class B Common Stock · 15,625 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit, or RSU, represents a contingent right to receive one share of Issuer Class B Common Stock.

F2 · derivative.exercise_date: The RSUs vest in 14 equal quarterly installments beginning on January 1, 2026.

F2 · derivative.expiration_date: The RSUs vest in 14 equal quarterly installments beginning on January 1, 2026.

SEC source: 0002084416-25-000003 · form4-10032025_111006.xml · derivative · entry 5

Bousquet Raphael · CIK 0002084416 · Chief Revenue Offucer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,130

Underlying: Class A Common Stock · 12,224 shares

Expires not disclosed

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F7 · shares: The shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of RSUs.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F6 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A Common Stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

SEC source: 0002084416-25-000003 · form4-10032025_111006.xml · derivative · entry 4

Bousquet Raphael · CIK 0002084416 · Chief Revenue Offucer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,354

Underlying: Class A Common Stock · 31,325 shares

Expires not disclosed

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

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F6 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A Common Stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

SEC source: 0002084416-25-000003 · form4-10032025_111006.xml · derivative · entry 3

Bousquet Raphael · CIK 0002084416 · Chief Revenue Offucer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,750

Underlying: Class B Common Stock · 3,125 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit, or RSU, represents a contingent right to receive one share of Issuer Class B Common Stock.

F4 · derivative.exercise_date: The RSUs vest in 14 equal quarterly installments beginning on January 1, 2026.

F4 · derivative.expiration_date: The RSUs vest in 14 equal quarterly installments beginning on January 1, 2026.

SEC source: 0002084416-25-000003 · form4-10032025_111006.xml · derivative · entry 2

Bousquet Raphael · CIK 0002084416 · Chief Revenue Offucer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Class B Common Stock · 25,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit, or RSU, represents a contingent right to receive one share of Issuer Class B Common Stock.

F3 · derivative.exercise_date: The RSUs vest in 12 equal quarterly installments beginning on January 1, 2026.

F3 · derivative.expiration_date: The RSUs vest in 12 equal quarterly installments beginning on January 1, 2026.

SEC source: 0002084416-25-000003 · form4-10032025_111006.xml · derivative · entry 1

Bousquet Raphael · CIK 0002084416 · Chief Revenue Offucer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,007

Underlying: Class B Common Stock · 3,200 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit, or RSU, represents a contingent right to receive one share of Issuer Class B Common Stock.

F2 · derivative.exercise_date: The RSUs vest in 10 equal quarterly installments beginning on January 1, 2026.

F2 · derivative.expiration_date: The RSUs vest in 10 equal quarterly installments beginning on January 1, 2026.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · derivative · entry 33

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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: 500

Underlying: Class A Common Stock · 500 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F16 · ownership.nature: The shares are held of record by LSS Fund II, LLC, or LSS Fund II. Lightspeed Scout Management, LLC, or Lightspeed Scout Mgmt, is the manager of LSS Fund II. Messrs. Eggers, Mhatre and Nieh, the managing members of Lightspeed Scout Mgmt, share voting and investment power with respect to the shares held of record by LSS Fund II. Each of Lightspeed Scout Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · derivative · entry 32

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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: 219,075

Underlying: Class A Common Stock · 219,075 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F15 · ownership.nature: The shares are held of record by Lightspeed Venture Partners XII, L.P., or Lightspeed XII. Lightspeed General Partner XII, L.P., or Lightspeed GP XII, is the general partner of Lightspeed XII and Lightspeed Ultimate General Partner XII, Ltd., or Lightspeed UGP XII, is the general partner of Lightspeed GP XII. Barry Eggers, Mr. Mhatre and Peter Nieh, the directors of Lightspeed UGP XII, share voting and investment power with respect to the shares held of record by Lightspeed XII. Each of Lightspeed GP XII, Lightspeed UGP XII and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · derivative · entry 31

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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: 4,340,640

Underlying: Class A Common Stock · 4,340,640 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F14 · ownership.nature: The shares are held of record by Lightspeed Opportunity Fund, L.P., or Lightspeed Opportunity Fund. Lightspeed General Partner Opportunity Fund, L.P., or Lightspeed GP Opportunity Fund, is the general partner of Lightspeed Opportunity Fund and Lightspeed Ultimate General Partner Opportunity Fund, Ltd., or Lightspeed UGP Opportunity Fund, is the general partner of Lightspeed GP Opportunity Fund. Arif Janmohamed and Ravi Mhatre, the directors of Lightspeed UGP Opportunity Fund, share voting and investment power with respect to the shares held of record by Lightspeed Opportunity Fund. Each of Lightspeed GP Opportunity Fund, Lightspeed UGP Opportunity Fund and Mr. Mhatre disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Janmohamed, a director of the Issuer, files separate Section 16 reports.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · derivative · entry 30

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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: 7,765,561

Underlying: Class A Common Stock · 7,765,561 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F12 · ownership.nature: The shares are held of record by Lightspeed SPV II-B, LLC, or Lightspeed SPV II-B. LS SPV Mgmt is the manager of Lightspeed SPV II-B. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II-B. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · derivative · entry 29

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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: 15,608,645

Underlying: Class A Common Stock · 15,608,645 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F10 · ownership.nature: The shares are held of record by Lightspeed SPV II, LLC, or Lightspeed SPV II. LS SPV Management, LLC, or LS SPV Mgmt, is the manager of Lightspeed SPV II. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · derivative · entry 28

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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: 7,508,890

Underlying: Class A Common Stock · 7,508,890 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F9 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select II, L.P., or Lightspeed Select II. Lightspeed General Partner Select II, L.P., or Lightspeed GP Select II, is the general partner of Lightspeed Select II and Lightspeed Ultimate General Partner Select II, Ltd., or Lightspeed UGP Select II, is the general partner of Lightspeed GP Select II. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select II, share voting and investment power with respect to the shares held of record by Lightspeed Select II. Each of Lightspeed GP Select II, Lightspeed UGP Select II and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · derivative · entry 27

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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: 8,818,610

Underlying: Class A Common Stock · 8,818,610 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F8 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select, L.P., or Lightspeed Select. Lightspeed General Partner Select, L.P., or Lightspeed GP Select, is the general partner of Lightspeed Select and Lightspeed Ultimate General Partner Select, Ltd., or Lightspeed UGP Select, is the general partner of Lightspeed GP Select. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select, share voting and investment power with respect to the shares held of record by Lightspeed Select. Each of Lightspeed GP Select, Lightspeed UGP Select and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · derivative · entry 26

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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: 20,231,286

Underlying: Class A Common Stock · 20,231,286 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F4 · ownership.nature: The shares are held of record by Lightspeed Venture Partners IX, L.P., or Lightspeed IX. Lightspeed General Partner IX, L.P., or Lightspeed GP IX, is the general partner of Lightspeed IX and Lightspeed Ultimate General Partner IX, Ltd., or Lightspeed UGP IX, is the general partner of Lightspeed GP IX. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP IX, share voting and investment power with respect to the shares held of record by Lightspeed IX. Each of Lightspeed GP IX, Lightspeed UGP IX and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · nonDerivative · entry 14

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

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

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

F16 · ownership.nature: The shares are held of record by LSS Fund II, LLC, or LSS Fund II. Lightspeed Scout Management, LLC, or Lightspeed Scout Mgmt, is the manager of LSS Fund II. Messrs. Eggers, Mhatre and Nieh, the managing members of Lightspeed Scout Mgmt, share voting and investment power with respect to the shares held of record by LSS Fund II. Each of Lightspeed Scout Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · nonDerivative · entry 13

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

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

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

F15 · ownership.nature: The shares are held of record by Lightspeed Venture Partners XII, L.P., or Lightspeed XII. Lightspeed General Partner XII, L.P., or Lightspeed GP XII, is the general partner of Lightspeed XII and Lightspeed Ultimate General Partner XII, Ltd., or Lightspeed UGP XII, is the general partner of Lightspeed GP XII. Barry Eggers, Mr. Mhatre and Peter Nieh, the directors of Lightspeed UGP XII, share voting and investment power with respect to the shares held of record by Lightspeed XII. Each of Lightspeed GP XII, Lightspeed UGP XII and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · nonDerivative · entry 12

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

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

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

F14 · ownership.nature: The shares are held of record by Lightspeed Opportunity Fund, L.P., or Lightspeed Opportunity Fund. Lightspeed General Partner Opportunity Fund, L.P., or Lightspeed GP Opportunity Fund, is the general partner of Lightspeed Opportunity Fund and Lightspeed Ultimate General Partner Opportunity Fund, Ltd., or Lightspeed UGP Opportunity Fund, is the general partner of Lightspeed GP Opportunity Fund. Arif Janmohamed and Ravi Mhatre, the directors of Lightspeed UGP Opportunity Fund, share voting and investment power with respect to the shares held of record by Lightspeed Opportunity Fund. Each of Lightspeed GP Opportunity Fund, Lightspeed UGP Opportunity Fund and Mr. Mhatre disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Janmohamed, a director of the Issuer, files separate Section 16 reports.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · nonDerivative · entry 11

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

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

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

F12 · ownership.nature: The shares are held of record by Lightspeed SPV II-B, LLC, or Lightspeed SPV II-B. LS SPV Mgmt is the manager of Lightspeed SPV II-B. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II-B. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · nonDerivative · entry 10

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

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

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

F10 · ownership.nature: The shares are held of record by Lightspeed SPV II, LLC, or Lightspeed SPV II. LS SPV Management, LLC, or LS SPV Mgmt, is the manager of Lightspeed SPV II. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · nonDerivative · entry 9

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

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

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

F9 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select II, L.P., or Lightspeed Select II. Lightspeed General Partner Select II, L.P., or Lightspeed GP Select II, is the general partner of Lightspeed Select II and Lightspeed Ultimate General Partner Select II, Ltd., or Lightspeed UGP Select II, is the general partner of Lightspeed GP Select II. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select II, share voting and investment power with respect to the shares held of record by Lightspeed Select II. Each of Lightspeed GP Select II, Lightspeed UGP Select II and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · nonDerivative · entry 8

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

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

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

F8 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select, L.P., or Lightspeed Select. Lightspeed General Partner Select, L.P., or Lightspeed GP Select, is the general partner of Lightspeed Select and Lightspeed Ultimate General Partner Select, Ltd., or Lightspeed UGP Select, is the general partner of Lightspeed GP Select. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select, share voting and investment power with respect to the shares held of record by Lightspeed Select. Each of Lightspeed GP Select, Lightspeed UGP Select and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092244 · tm2526612-15_4seq1.xml · nonDerivative · entry 7

Lightspeed SPV II, LLC · CIK 0001756164 · 10% owner

Lightspeed SPV II-B, LLC · CIK 0001804081 · 10% owner

LS SPV Management, LLC · CIK 0001978139 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

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

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

F4 · ownership.nature: The shares are held of record by Lightspeed Venture Partners IX, L.P., or Lightspeed IX. Lightspeed General Partner IX, L.P., or Lightspeed GP IX, is the general partner of Lightspeed IX and Lightspeed Ultimate General Partner IX, Ltd., or Lightspeed UGP IX, is the general partner of Lightspeed GP IX. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP IX, share voting and investment power with respect to the shares held of record by Lightspeed IX. Each of Lightspeed GP IX, Lightspeed UGP IX and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092237 · tm2526612-13_4seq1.xml · derivative · entry 33

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

LIGHTSPEED VENTURE PARTNERS XII, L.P. · CIK 0001735253 · 10% owner

Lightspeed General Partner XII, L.P. · CIK 0001912678 · 10% owner

Lightspeed Ultimate General Partner XII, Ltd. · CIK 0001912673 · 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: 500

Underlying: Class A Common Stock · 500 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F16 · ownership.nature: The shares are held of record by LSS Fund II, LLC, or LSS Fund II. Lightspeed Scout Management, LLC, or Lightspeed Scout Mgmt, is the manager of LSS Fund II. Messrs. Eggers, Mhatre and Nieh, the managing members of Lightspeed Scout Mgmt, share voting and investment power with respect to the shares held of record by LSS Fund II. Each of Lightspeed Scout Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092237 · tm2526612-13_4seq1.xml · derivative · entry 32

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

LIGHTSPEED VENTURE PARTNERS XII, L.P. · CIK 0001735253 · 10% owner

Lightspeed General Partner XII, L.P. · CIK 0001912678 · 10% owner

Lightspeed Ultimate General Partner XII, Ltd. · CIK 0001912673 · 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: 219,075

Underlying: Class A Common Stock · 219,075 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F15 · ownership.nature: The shares are held of record by Lightspeed Venture Partners XII, L.P., or Lightspeed XII. Lightspeed General Partner XII, L.P., or Lightspeed GP XII, is the general partner of Lightspeed XII and Lightspeed Ultimate General Partner XII, Ltd., or Lightspeed UGP XII, is the general partner of Lightspeed GP XII. Barry Eggers, Mr. Mhatre and Peter Nieh, the directors of Lightspeed UGP XII, share voting and investment power with respect to the shares held of record by Lightspeed XII. Each of Lightspeed GP XII, Lightspeed UGP XII and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092237 · tm2526612-13_4seq1.xml · derivative · entry 31

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

LIGHTSPEED VENTURE PARTNERS XII, L.P. · CIK 0001735253 · 10% owner

Lightspeed General Partner XII, L.P. · CIK 0001912678 · 10% owner

Lightspeed Ultimate General Partner XII, Ltd. · CIK 0001912673 · 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: 4,340,640

Underlying: Class A Common Stock · 4,340,640 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F14 · ownership.nature: The shares are held of record by Lightspeed Opportunity Fund, L.P., or Lightspeed Opportunity Fund. Lightspeed General Partner Opportunity Fund, L.P., or Lightspeed GP Opportunity Fund, is the general partner of Lightspeed Opportunity Fund and Lightspeed Ultimate General Partner Opportunity Fund, Ltd., or Lightspeed UGP Opportunity Fund, is the general partner of Lightspeed GP Opportunity Fund. Arif Janmohamed and Ravi Mhatre, the directors of Lightspeed UGP Opportunity Fund, share voting and investment power with respect to the shares held of record by Lightspeed Opportunity Fund. Each of Lightspeed GP Opportunity Fund, Lightspeed UGP Opportunity Fund and Mr. Mhatre disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Janmohamed, a director of the Issuer, files separate Section 16 reports.

SEC source: 0001104659-25-092237 · tm2526612-13_4seq1.xml · derivative · entry 30

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

LIGHTSPEED VENTURE PARTNERS XII, L.P. · CIK 0001735253 · 10% owner

Lightspeed General Partner XII, L.P. · CIK 0001912678 · 10% owner

Lightspeed Ultimate General Partner XII, Ltd. · CIK 0001912673 · 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: 7,765,561

Underlying: Class A Common Stock · 7,765,561 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F12 · ownership.nature: The shares are held of record by Lightspeed SPV II-B, LLC, or Lightspeed SPV II-B. LS SPV Mgmt is the manager of Lightspeed SPV II-B. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II-B. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092237 · tm2526612-13_4seq1.xml · derivative · entry 29

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

LIGHTSPEED VENTURE PARTNERS XII, L.P. · CIK 0001735253 · 10% owner

Lightspeed General Partner XII, L.P. · CIK 0001912678 · 10% owner

Lightspeed Ultimate General Partner XII, Ltd. · CIK 0001912673 · 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: 15,608,645

Underlying: Class A Common Stock · 15,608,645 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F10 · ownership.nature: The shares are held of record by Lightspeed SPV II, LLC, or Lightspeed SPV II. LS SPV Management, LLC, or LS SPV Mgmt, is the manager of Lightspeed SPV II. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092237 · tm2526612-13_4seq1.xml · derivative · entry 28

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

LIGHTSPEED VENTURE PARTNERS XII, L.P. · CIK 0001735253 · 10% owner

Lightspeed General Partner XII, L.P. · CIK 0001912678 · 10% owner

Lightspeed Ultimate General Partner XII, Ltd. · CIK 0001912673 · 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: 7,508,890

Underlying: Class A Common Stock · 7,508,890 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F9 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select II, L.P., or Lightspeed Select II. Lightspeed General Partner Select II, L.P., or Lightspeed GP Select II, is the general partner of Lightspeed Select II and Lightspeed Ultimate General Partner Select II, Ltd., or Lightspeed UGP Select II, is the general partner of Lightspeed GP Select II. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select II, share voting and investment power with respect to the shares held of record by Lightspeed Select II. Each of Lightspeed GP Select II, Lightspeed UGP Select II and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092237 · tm2526612-13_4seq1.xml · derivative · entry 27

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

LIGHTSPEED VENTURE PARTNERS XII, L.P. · CIK 0001735253 · 10% owner

Lightspeed General Partner XII, L.P. · CIK 0001912678 · 10% owner

Lightspeed Ultimate General Partner XII, Ltd. · CIK 0001912673 · 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: 8,818,610

Underlying: Class A Common Stock · 8,818,610 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F8 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select, L.P., or Lightspeed Select. Lightspeed General Partner Select, L.P., or Lightspeed GP Select, is the general partner of Lightspeed Select and Lightspeed Ultimate General Partner Select, Ltd., or Lightspeed UGP Select, is the general partner of Lightspeed GP Select. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select, share voting and investment power with respect to the shares held of record by Lightspeed Select. Each of Lightspeed GP Select, Lightspeed UGP Select and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092237 · tm2526612-13_4seq1.xml · derivative · entry 26

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

LIGHTSPEED VENTURE PARTNERS XII, L.P. · CIK 0001735253 · 10% owner

Lightspeed General Partner XII, L.P. · CIK 0001912678 · 10% owner

Lightspeed Ultimate General Partner XII, Ltd. · CIK 0001912673 · 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: 20,231,286

Underlying: Class A Common Stock · 20,231,286 shares

Expires not disclosed

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

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

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

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder.

F18 · derivative.expiration_date: The shares of Class B Common Stock automatically convert to shares of Class A common stock on a 1:1 basis on or prior to September 19, 2035 as set forth in the Issuer's amended and restated certificate of incorporation.

F4 · ownership.nature: The shares are held of record by Lightspeed Venture Partners IX, L.P., or Lightspeed IX. Lightspeed General Partner IX, L.P., or Lightspeed GP IX, is the general partner of Lightspeed IX and Lightspeed Ultimate General Partner IX, Ltd., or Lightspeed UGP IX, is the general partner of Lightspeed GP IX. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP IX, share voting and investment power with respect to the shares held of record by Lightspeed IX. Each of Lightspeed GP IX, Lightspeed UGP IX and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092237 · tm2526612-13_4seq1.xml · nonDerivative · entry 14

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

LIGHTSPEED VENTURE PARTNERS XII, L.P. · CIK 0001735253 · 10% owner

Lightspeed General Partner XII, L.P. · CIK 0001912678 · 10% owner

Lightspeed Ultimate General Partner XII, Ltd. · CIK 0001912673 · 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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

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

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

F16 · ownership.nature: The shares are held of record by LSS Fund II, LLC, or LSS Fund II. Lightspeed Scout Management, LLC, or Lightspeed Scout Mgmt, is the manager of LSS Fund II. Messrs. Eggers, Mhatre and Nieh, the managing members of Lightspeed Scout Mgmt, share voting and investment power with respect to the shares held of record by LSS Fund II. Each of Lightspeed Scout Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092237 · tm2526612-13_4seq1.xml · nonDerivative · entry 13

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

LIGHTSPEED VENTURE PARTNERS XII, L.P. · CIK 0001735253 · 10% owner

Lightspeed General Partner XII, L.P. · CIK 0001912678 · 10% owner

Lightspeed Ultimate General Partner XII, Ltd. · CIK 0001912673 · 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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

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

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

F15 · ownership.nature: The shares are held of record by Lightspeed Venture Partners XII, L.P., or Lightspeed XII. Lightspeed General Partner XII, L.P., or Lightspeed GP XII, is the general partner of Lightspeed XII and Lightspeed Ultimate General Partner XII, Ltd., or Lightspeed UGP XII, is the general partner of Lightspeed GP XII. Barry Eggers, Mr. Mhatre and Peter Nieh, the directors of Lightspeed UGP XII, share voting and investment power with respect to the shares held of record by Lightspeed XII. Each of Lightspeed GP XII, Lightspeed UGP XII and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092237 · tm2526612-13_4seq1.xml · nonDerivative · entry 12

Lightspeed Venture Partners IX, L.P. · CIK 0001539061 · 10% owner

Lightspeed General Partner IX, L.P. · CIK 0001913317 · 10% owner

Lightspeed Ultimate General Partner IX, Ltd. · CIK 0001912676 · 10% owner

LIGHTSPEED VENTURE PARTNERS XII, L.P. · CIK 0001735253 · 10% owner

Lightspeed General Partner XII, L.P. · CIK 0001912678 · 10% owner

Lightspeed Ultimate General Partner XII, Ltd. · CIK 0001912673 · 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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

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

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

F14 · ownership.nature: The shares are held of record by Lightspeed Opportunity Fund, L.P., or Lightspeed Opportunity Fund. Lightspeed General Partner Opportunity Fund, L.P., or Lightspeed GP Opportunity Fund, is the general partner of Lightspeed Opportunity Fund and Lightspeed Ultimate General Partner Opportunity Fund, Ltd., or Lightspeed UGP Opportunity Fund, is the general partner of Lightspeed GP Opportunity Fund. Arif Janmohamed and Ravi Mhatre, the directors of Lightspeed UGP Opportunity Fund, share voting and investment power with respect to the shares held of record by Lightspeed Opportunity Fund. Each of Lightspeed GP Opportunity Fund, Lightspeed UGP Opportunity Fund and Mr. Mhatre disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Janmohamed, a director of the Issuer, files separate Section 16 reports.