ALMR

SEC source: 0001823381-26-000014 · form4-09162026_080954.xml · derivative · entry 2

Brottem John L. · CIK 0001823381 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,000

Underlying: Common Stock · 85,000 shares

Expires 2036-09-13

F2 · derivative.exercise_date: One-quarter of the total shares subject to the option will vest on September 14, 2027 and the remainder of the shares subject to the grant will vest in 36 equal monthly installments thereafter, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0001823381-26-000014 · form4-09162026_080954.xml · nonDerivative · entry 1

Brottem John L. · CIK 0001823381 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,000

F1 · kind: Represents a restricted stock unit ("RSU") award. One-quarter of the RSUs will vest on November 21, 2027 and the remainder of the RSUs will vest in twelve equal quarterly installments thereafter, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0001222644-26-000004 · form4-09032026_080949.xml · derivative · entry 2

RAGUSA ROBERT P · CIK 0001222644 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,599

Underlying: Common Stock · 25,599 shares

Expires 2036-08-31

F2 · derivative.exercise_date: One-third of the shares subject to the option will vest on September 1, 2027 and the remainder of the shares subject to the grant will vest in equal monthly installments thereafter through September 1, 2029, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0001222644-26-000004 · form4-09032026_080949.xml · nonDerivative · entry 1

RAGUSA ROBERT P · CIK 0001222644 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,686

F1 · kind: Represents a restricted stock unit ("RSU") award. The RSUs vest in equal annual installments over 3 years measured from September 1, 2026, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0001193125-26-164634 · ownership.xml · derivative · entry 13

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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 · 271,782 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: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · derivative.exercise_date: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · derivative.expiration_date: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F6 · ownership.nature: The securities are held by Illumina Innovation Fund III, L.P. ("IIF III"). Illumina Innovation Fund III GP, L.L.C. ("IIF III GP") is the general partner of IIF III. Mr. Naclerio, a member of the Issuer's board of directors, is the sole managing member of IIF III GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF III. Each of IIF III GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF III, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · derivative · entry 12

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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 · 346,020 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: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · derivative.exercise_date: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · derivative.expiration_date: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. Nicholas Naclerio ("Mr. Naclerio"), a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · derivative · entry 11

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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 B Common Stock · 2,083,450 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: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1-for-2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.exercise_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1-for-2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.expiration_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1-for-2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. Nicholas Naclerio ("Mr. Naclerio"), a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · derivative · entry 10

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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 B Common Stock · 922,152 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: The Series B Preferred Stock is convertible into shares of Class B Common Stock on a 1-for-2.271 basis and has no expiration date. The Series B Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the IPO.

F3 · derivative.exercise_date: The Series B Preferred Stock is convertible into shares of Class B Common Stock on a 1-for-2.271 basis and has no expiration date. The Series B Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the IPO.

F3 · derivative.expiration_date: The Series B Preferred Stock is convertible into shares of Class B Common Stock on a 1-for-2.271 basis and has no expiration date. The Series B Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the IPO.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. Nicholas Naclerio ("Mr. Naclerio"), a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · derivative · entry 9

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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 B Common Stock · 1,183,832 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: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1-for-2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.exercise_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1-for-2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.expiration_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1-for-2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. Nicholas Naclerio ("Mr. Naclerio"), a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · derivative · entry 8

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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 B Common Stock · 1,321,082 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: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1-for-2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.exercise_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1-for-2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.expiration_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1-for-2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. Nicholas Naclerio ("Mr. Naclerio"), a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · nonDerivative · entry 7

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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: 507,076

F6 · ownership.nature: The securities are held by Illumina Innovation Fund III, L.P. ("IIF III"). Illumina Innovation Fund III GP, L.L.C. ("IIF III GP") is the general partner of IIF III. Mr. Naclerio, a member of the Issuer's board of directors, is the sole managing member of IIF III GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF III. Each of IIF III GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF III, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · nonDerivative · entry 6

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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: 271,782

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

F5 · kind: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · price: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F6 · ownership.nature: The securities are held by Illumina Innovation Fund III, L.P. ("IIF III"). Illumina Innovation Fund III GP, L.L.C. ("IIF III GP") is the general partner of IIF III. Mr. Naclerio, a member of the Issuer's board of directors, is the sole managing member of IIF III GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF III. Each of IIF III GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF III, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · nonDerivative · entry 5

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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: 5,856,536

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

F5 · kind: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · price: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. Nicholas Naclerio ("Mr. Naclerio"), a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · nonDerivative · entry 4

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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: 5,510,516

F4 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F4 · price: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. Nicholas Naclerio ("Mr. Naclerio"), a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · nonDerivative · entry 3

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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

F4 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F4 · price: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. Nicholas Naclerio ("Mr. Naclerio"), a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · nonDerivative · entry 2

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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: 5,510,516

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

F3 · kind: The Series B Preferred Stock is convertible into shares of Class B Common Stock on a 1-for-2.271 basis and has no expiration date. The Series B Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the IPO.

F3 · price: The Series B Preferred Stock is convertible into shares of Class B Common Stock on a 1-for-2.271 basis and has no expiration date. The Series B Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the IPO.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. Nicholas Naclerio ("Mr. Naclerio"), a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001193125-26-164634 · ownership.xml · nonDerivative · entry 1

Illumina Innovation Fund II GP, L.L.C. · CIK 0001779219 · 10% owner

Illumina Innovation Fund II, L.P. · CIK 0001779218 · 10% owner

Illumina Innovation Fund III GP, L.L.C. · CIK 0002032563 · 10% owner

Illumina Innovation Fund III, L.P. · CIK 0002032562 · 10% owner

Naclerio Nicholas · CIK 0001534166 · 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: 4,588,364

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 Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1-for-2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · price: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1-for-2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. Nicholas Naclerio ("Mr. Naclerio"), a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and Mr. Naclerio disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001455312-26-000004 · form4-04212026_120458.xml · derivative · entry 6

Witney Frank · CIK 0001455312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,069

Underlying: Common Stock · 124,069 shares

Expires 2036-01-14

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F4 · derivative.exercise_date: Twenty-five percent of the shares subject to the option vest on January 15, 2027, and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service through each such vesting date.

SEC source: 0001455312-26-000004 · form4-04212026_120458.xml · derivative · entry 5

Witney Frank · CIK 0001455312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 124,069 shares

Expires 2036-01-14

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F4 · derivative.exercise_date: Twenty-five percent of the shares subject to the option vest on January 15, 2027, and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service through each such vesting date.

SEC source: 0001455312-26-000004 · form4-04212026_120458.xml · derivative · entry 4

Witney Frank · CIK 0001455312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,085

Underlying: Common Stock · 33,085 shares

Expires 2035-04-15

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F3 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2025, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0001455312-26-000004 · form4-04212026_120458.xml · derivative · entry 3

Witney Frank · CIK 0001455312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 33,085 shares

Expires 2035-04-15

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F3 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2025, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0001455312-26-000004 · form4-04212026_120458.xml · derivative · entry 2

Witney Frank · CIK 0001455312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,627

Underlying: Common Stock · 49,627 shares

Expires 2031-04-20

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F2 · derivative.exercise_date: Fully vested.

SEC source: 0001455312-26-000004 · form4-04212026_120458.xml · derivative · entry 1

Witney Frank · CIK 0001455312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 49,627 shares

Expires 2031-04-20

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F2 · derivative.exercise_date: Fully vested.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · derivative · entry 15

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 271,782 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: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · derivative.exercise_date: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · derivative.expiration_date: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F6 · ownership.nature: The securities are held by Illumina Innovation Fund III, L.P. ("IIF III"). Illumina Innovation Fund III GP, L.L.C. ("IIF II GP") is the general partner of IIF III. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF III GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF III. Each of IIF III GP and the reporting person disclaim beneficial ownership over the securities held by IIF III, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · derivative · entry 14

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 346,020 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: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · derivative.exercise_date: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · derivative.expiration_date: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and the reporting person disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · derivative · entry 13

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,083,450 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: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1:2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.exercise_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1:2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.expiration_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1:2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and the reporting person disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · derivative · entry 12

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 922,152 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: The Series B Preferred Stock is convertible into shares of Class B Common Stock on a 1:2.271 basis and has no expiration date. The Series B Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the IPO.

F3 · derivative.exercise_date: The Series B Preferred Stock is convertible into shares of Class B Common Stock on a 1:2.271 basis and has no expiration date. The Series B Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the IPO.

F3 · derivative.expiration_date: The Series B Preferred Stock is convertible into shares of Class B Common Stock on a 1:2.271 basis and has no expiration date. The Series B Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the IPO.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and the reporting person disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · derivative · entry 11

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,183,832 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: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1:2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.exercise_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1:2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.expiration_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1:2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and the reporting person disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · derivative · entry 10

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,321,082 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: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1:2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.exercise_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1:2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · derivative.expiration_date: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1:2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and the reporting person disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · nonDerivative · entry 8

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,686

F7 · kind: Represents the grant of restricted stock units ("RSUs"). The RSUs vest 1/3rd on each of April 20, 2027, April 20, 2028 and April 20, 2029, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · nonDerivative · entry 7

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 507,076

F6 · ownership.nature: The securities are held by Illumina Innovation Fund III, L.P. ("IIF III"). Illumina Innovation Fund III GP, L.L.C. ("IIF II GP") is the general partner of IIF III. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF III GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF III. Each of IIF III GP and the reporting person disclaim beneficial ownership over the securities held by IIF III, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · nonDerivative · entry 6

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 271,782

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

F5 · kind: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · price: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F6 · ownership.nature: The securities are held by Illumina Innovation Fund III, L.P. ("IIF III"). Illumina Innovation Fund III GP, L.L.C. ("IIF II GP") is the general partner of IIF III. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF III GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF III. Each of IIF III GP and the reporting person disclaim beneficial ownership over the securities held by IIF III, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · nonDerivative · entry 5

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 5,856,536

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

F5 · kind: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F5 · price: Reflects a convertible note that is convertible into shares of Common Stock of the Issuer. The convertible note has a maturity date of July 8, 2027. The principal amount of the convertible note was automatically converted into shares of Common Stock of the Issuer upon the closing of the Issuer's IPO at a conversion price equal to the initial public offering price of the Issuer's Common Stock multiplied by 0.85.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and the reporting person disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · nonDerivative · entry 4

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 5,510,516

F4 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F4 · price: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and the reporting person disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · nonDerivative · entry 3

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F4 · price: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the IPO.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and the reporting person disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · nonDerivative · entry 2

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 5,510,516

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

F3 · kind: The Series B Preferred Stock is convertible into shares of Class B Common Stock on a 1:2.271 basis and has no expiration date. The Series B Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the IPO.

F3 · price: The Series B Preferred Stock is convertible into shares of Class B Common Stock on a 1:2.271 basis and has no expiration date. The Series B Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the IPO.

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and the reporting person disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001534166-26-000006 · form4-04212026_120442.xml · nonDerivative · entry 1

Naclerio Nicholas · CIK 0001534166 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 4,588,364

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 Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1:2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F1 · price: The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock are convertible into shares of Class B Common Stock on a 1:2.418 basis and have no expiration date. The Series A-3 Preferred Stock, Series A-4 Preferred Stock and Series C Preferred Stock automatically converted into shares of Class B Common Stock in connection with the closing of the initial public offering of the Issuer's Common Stock (the "IPO").

F2 · ownership.nature: The securities are held by Illumina Innovation Fund II, L.P. ("IIF II"). Illumina Innovation Fund II GP, L.L.C. ("IIF II GP") is the general partner of IIF II. The reporting person, a member of the Issuer's board of directors, is the sole managing member of IIF II GP and may be deemed to have voting, investment and dispositive power with respect to the securities held by IIF II. Each of IIF II GP and the reporting person disclaim beneficial ownership over the securities held by IIF II, except to the extent of their respective pecuniary interests therein, if any.

SEC source: 0001786386-26-000006 · form4-04212026_120457.xml · derivative · entry 4

McAnear Justin J. · CIK 0001786386 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 570,719

Underlying: Common Stock · 570,719 shares

Expires 2035-10-14

F3 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F4 · derivative.exercise_date: Twenty-five percent of the shares subject to the option vest on October 13, 2026, and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service through each such vesting date.

SEC source: 0001786386-26-000006 · form4-04212026_120457.xml · derivative · entry 3

McAnear Justin J. · CIK 0001786386 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 570,719 shares

Expires 2035-10-14

F3 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F4 · derivative.exercise_date: Twenty-five percent of the shares subject to the option vest on October 13, 2026, and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service through each such vesting date.

SEC source: 0001786386-26-000006 · form4-04212026_120457.xml · nonDerivative · entry 1

McAnear Justin J. · CIK 0001786386 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,220

F1 · kind: Represents the grant of restricted stock units ("RSUs"). The RSUs vest monthly from the date of grant, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0001823563-26-000013 · form4-04212026_120444.xml · derivative · entry 2

Chambers Rebecca · CIK 0001823563 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,612

Underlying: Common Stock · 140,612 shares

Expires 2036-01-14

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F2 · derivative.exercise_date: Twenty-five percent of the shares subject to the option vest on January 15, 2027, and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service through each such vesting date.

SEC source: 0001823563-26-000013 · form4-04212026_120444.xml · derivative · entry 1

Chambers Rebecca · CIK 0001823563 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 140,612 shares

Expires 2036-01-14

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F2 · derivative.exercise_date: Twenty-five percent of the shares subject to the option vest on January 15, 2027, and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service through each such vesting date.

SEC source: 0002126704-26-000004 · form4-04212026_120426.xml · derivative · entry 18

White Timothy Ogden · CIK 0002126704 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,333

Underlying: Common Stock · 16,333 shares

Expires 2036-01-14

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F9 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2026, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0002126704-26-000004 · form4-04212026_120426.xml · derivative · entry 17

White Timothy Ogden · CIK 0002126704 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 16,333 shares

Expires 2036-01-14

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F9 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2026, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0002126704-26-000004 · form4-04212026_120426.xml · derivative · entry 16

White Timothy Ogden · CIK 0002126704 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,775

Underlying: Common Stock · 5,775 shares

Expires 2035-04-08

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F8 · derivative.exercise_date: Twenty-five percent of the shares subject to the option vest on January 1, 2026, and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0002126704-26-000004 · form4-04212026_120426.xml · derivative · entry 15

White Timothy Ogden · CIK 0002126704 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 5,775 shares

Expires 2035-04-08

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F8 · derivative.exercise_date: Twenty-five percent of the shares subject to the option vest on January 1, 2026, and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0002126704-26-000004 · form4-04212026_120426.xml · derivative · entry 14

White Timothy Ogden · CIK 0002126704 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,532

Underlying: Common Stock · 8,532 shares

Expires 2035-01-15

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F7 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2025, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0002126704-26-000004 · form4-04212026_120426.xml · derivative · entry 13

White Timothy Ogden · CIK 0002126704 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 8,532 shares

Expires 2035-01-15

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F7 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over 48 months measured from January 1, 2025, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0002126704-26-000004 · form4-04212026_120426.xml · derivative · entry 12

White Timothy Ogden · CIK 0002126704 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 206,782

Underlying: Common Stock · 206,782 shares

Expires 2035-01-15

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F6 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over 48 months measured from January 16, 2025, subject to the reporting person's continuous service as of each such vesting date.

SEC source: 0002126704-26-000004 · form4-04212026_120426.xml · derivative · entry 11

White Timothy Ogden · CIK 0002126704 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 206,782 shares

Expires 2035-01-15

F1 · kind: Each share of Class B Common Stock was reclassified into one share of Common Stock immediately prior to the completion of the initial public offering of the Issuer's Common Stock.

F6 · derivative.exercise_date: The shares subject to the option vest in equal monthly installments over 48 months measured from January 16, 2025, subject to the reporting person's continuous service as of each such vesting date.