OKLO

SEC source: 0001193125-26-009194 · ownership.xml · nonDerivative · entry 3

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 919,475

F1 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.24 - $96.24, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-26-009194 · ownership.xml · nonDerivative · entry 2

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 923,862

F1 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $94.19 - $94.97, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-26-009194 · ownership.xml · nonDerivative · entry 1

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 925,076

F1 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.15 - $94.14, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-26-004991 · ownership.xml · nonDerivative · entry 8

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,480,000

F1 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.00 to $90.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F4 · ownership.nature: Represents securities beneficially owned by the Reporting Person's spouse.

SEC source: 0001193125-26-004991 · ownership.xml · nonDerivative · entry 4

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,480,000

F1 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.00 to $90.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-26-004988 · ownership.xml · nonDerivative · entry 8

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,480,000

F1 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.00 to $90.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F4 · ownership.nature: Represents securities beneficially owned by the Reporting Person's spouse.

SEC source: 0001193125-26-004988 · ownership.xml · nonDerivative · entry 4

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,480,000

F1 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.00 to $90.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-335523 · ownership.xml · nonDerivative · entry 6

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Jacob DeWitte

Disclosed balance after: 928,197

F5 · balance_after: Excludes 1,000,000 shares previously owned by the Reporting Person's spouse which were contributed to a grantor retained annuity trust on December 24, 2025.

F6 · ownership.direct: On December 24, 2025, spouse of the Reporting Person transferred 7,851,901 shares to the Jacob DeWitte Family Trust for no consideration. Spouse of the Reporting Person is trustee of the trust. Spouse of the Reporting Person, members of his family and certain charitable organizations are the beneficiaries of the trust. Spouse of the Reporting Person remains the beneficial owner of the securities held by the trust.

F7 · ownership.nature: Represents securities held by the Reporting Person's spouse.

SEC source: 0001193125-25-335523 · ownership.xml · nonDerivative · entry 1

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 919,023

F1 · balance_after: Excludes 1,000,000 shares previously owned directly which were contributed to a grantor retained annuity trust on December 24, 2025.

F2 · ownership.direct: On December 24, 2025, the Reporting Person transferred 7,583,085 shares to the Caroline DeWitte Family Trust for no consideration. The Reporting Person is trustee of the trust. The Reporting Person, members of her family and certain charitable organizations are the beneficiaries of the trust. The Reporting Person remains the beneficial owner of the securities held by the trust.

SEC source: 0001193125-25-335518 · ownership.xml · nonDerivative · entry 6

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Caroline Cochran

Disclosed balance after: 919,023

F5 · balance_after: Excludes 1,000,000 shares previously owned by the Reporting Person's spouse which were contributed to a grantor retained annuity trust on December 24, 2025.

F6 · ownership.direct: On December 24, 2025, spouse of the Reporting Person transferred 7,583,085 shares to the Caroline DeWitte Family Trust for no consideration. Spouse of the Reporting Person is trustee of the trust. Spouse of the Reporting Person, members of her family and certain charitable organizations are the beneficiaries of the trust. Spouse of the Reporting Person remains the beneficial owner of the securities held by the trust.

F7 · ownership.nature: Represents securities held by the Reporting Person's spouse.

SEC source: 0001193125-25-335518 · ownership.xml · nonDerivative · entry 1

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 928,197

F1 · balance_after: Excludes 1,000,000 shares previously owned directly which were contributed to a grantor retained annuity trust on December 24, 2025.

F2 · ownership.direct: On December 24, 2025, the Reporting Person transferred 7,851,901 shares to the Jacob DeWitte Family Trust for no consideration. The Reporting Person is trustee of the trust. The Reporting Person, members of his family and certain charitable organizations are the beneficiaries of the trust. The Reporting Person remains the beneficial owner of the securities held by the trust.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 14

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,580,000

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.21 to $85.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 13

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,581,643

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.20 to $85.20, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 12

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,592,733

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.19 to $84.19, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 11

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,635,386

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.18 to $83.18, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 10

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,826,670

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.17 to $82.17, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 9

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,969,365

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.16 to $81.16, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 8

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,580,000

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.21 to $85.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 7

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,581,644

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.20 to $85.20, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 6

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,592,733

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.19 to $84.19, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 5

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,635,386

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.18 to $83.18, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 4

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,826,670

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.17 to $82.17, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331312 · ownership.xml · nonDerivative · entry 3

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,969,366

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.16 to $81.16, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 14

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,580,000

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.21 to $85.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 13

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,581,644

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.20 to $85.20, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 12

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,592,733

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.19 to $84.19, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 11

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,635,386

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.18 to $83.18, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 10

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,826,670

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.17 to $82.17, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 9

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Caroline Cochran GRAT

Disclosed balance after: 1,969,366

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.16 to $81.16, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 8

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,580,000

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.21 to $85.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 7

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,581,643

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.20 to $85.20, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 6

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,592,733

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.19 to $84.19, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 5

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,635,386

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.18 to $83.18, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 4

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,826,670

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.17 to $82.17, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-25-331311 · ownership.xml · nonDerivative · entry 3

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Jacob DeWitte GRAT

Disclosed balance after: 1,969,365

F2 · kind: The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.16 to $81.16, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

SEC source: 0001193125-26-055627 · ownership.xml · derivative · entry 1

Schweiger Patrick Joseph · CIK 0002080997 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,652

Underlying: Class A Common Stock · 8,652 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F2 · derivative.exercise_date: On December 22, 2025, the Reporting Person was granted 8,652 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

F2 · derivative.expiration_date: On December 22, 2025, the Reporting Person was granted 8,652 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

SEC source: 0001193125-26-055631 · ownership.xml · derivative · entry 1

Goodwin William Carroll Murphy · CIK 0002080717 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,574

Underlying: Class A Common Stock · 15,574 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F2 · derivative.exercise_date: On December 22, 2025, the Reporting Person was granted 15,574 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

F2 · derivative.expiration_date: On December 22, 2025, the Reporting Person was granted 15,574 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

SEC source: 0001193125-26-055644 · ownership.xml · derivative · entry 2

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Jacob DeWitte

Disclosed balance after: 71,811

Underlying: Class A Common Stock · 71,811 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: On December 22, 2025, the Reporting Person's spouse was granted 71,811 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

F3 · derivative.expiration_date: On December 22, 2025, the Reporting Person's spouse was granted 71,811 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

F4 · ownership.nature: Represents securities held by the Reporting Person's spouse.

SEC source: 0001193125-26-055644 · ownership.xml · derivative · entry 1

Cochran Caroline · CIK 0002021786 · Director · Co-Founder, COO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,574

Underlying: Class A Common Stock · 15,574 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F2 · derivative.exercise_date: On December 22, 2025, the Reporting Person was granted 15,574 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

F2 · derivative.expiration_date: On December 22, 2025, the Reporting Person was granted 15,574 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

SEC source: 0001193125-26-055641 · ownership.xml · derivative · entry 2

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Caroline Cochran

Disclosed balance after: 15,574

Underlying: Class A Common Stock · 15,574 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: On December 22, 2025, the Reporting Person's spouse was granted 15,574 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

F3 · derivative.expiration_date: On December 22, 2025, the Reporting Person's spouse was granted 15,574 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

F4 · ownership.nature: Represents securities held by the Reporting Person's spouse.

SEC source: 0001193125-26-055641 · ownership.xml · derivative · entry 1

DeWitte Jacob · CIK 0002021433 · Director · Co-Founder, CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,811

Underlying: Class A Common Stock · 71,811 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F2 · derivative.exercise_date: On December 22, 2025, the Reporting Person was granted 71,811 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

F2 · derivative.expiration_date: On December 22, 2025, the Reporting Person was granted 71,811 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

SEC source: 0001193125-26-055634 · ownership.xml · derivative · entry 1

Bealmear Richard Craig · CIK 0001855623 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,574

Underlying: Class A Common Stock · 15,574 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F2 · derivative.exercise_date: On December 22, 2025, the Reporting Person was granted 15,574 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

F2 · derivative.expiration_date: On December 22, 2025, the Reporting Person was granted 15,574 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.

SEC source: 0002080997-26-000002 · wk-form4_1773188710.xml · derivative · entry 4

Schweiger Patrick Joseph · CIK 0002080997 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,916

Underlying: Class A Common Stock · 27,500 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F4 · derivative.exercise_date: On December 22, 2025, the Reporting Person was granted 27,500 RSUs, vesting as to one-third of the underlying shares on March 31, 2027 and thereafter in two substantially equal annual installments.

F4 · derivative.expiration_date: On December 22, 2025, the Reporting Person was granted 27,500 RSUs, vesting as to one-third of the underlying shares on March 31, 2027 and thereafter in two substantially equal annual installments.

SEC source: 0002080717-26-000003 · wk-form4_1773188624.xml · derivative · entry 4

Goodwin William Carroll Murphy · CIK 0002080717 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 187,443

Underlying: Class A Common Stock · 27,500 shares

Expires not disclosed

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F5 · derivative.exercise_date: On December 22, 2025, the Reporting Person was granted 27,500 RSUs, vesting as to one-third of the underlying shares on March 31, 2027 and thereafter in two substantially equal annual installments.

F5 · derivative.expiration_date: On December 22, 2025, the Reporting Person was granted 27,500 RSUs, vesting as to one-third of the underlying shares on March 31, 2027 and thereafter in two substantially equal annual installments.

SEC source: 0001193125-25-327252 · ownership.xml · nonDerivative · entry 3

Bealmear Richard Craig · CIK 0001855623 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196,913

SEC source: 0001193125-25-327252 · ownership.xml · derivative · entry 4

Bealmear Richard Craig · CIK 0001855623 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 975,759

Underlying: Class A Common Stock · 150,000 shares

Expires 2033-08-01

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_date: The stock option vested as to 20% of the underlying shares on August 1, 2024 and continues to vest thereafter in 48 substantially equal monthly installments.

SEC source: 0001193125-25-327252 · ownership.xml · nonDerivative · entry 2

Bealmear Richard Craig · CIK 0001855623 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 202,072

SEC source: 0001193125-25-327252 · ownership.xml · nonDerivative · entry 1

Bealmear Richard Craig · CIK 0001855623 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 271,913

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.

SEC source: 0001193125-25-305561 · ownership.xml · nonDerivative · entry 3

Goodwin William Carroll Murphy · CIK 0002080717 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,620

F2 · kind: Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the RSUs listed in Table II. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

SEC source: 0001193125-25-305561 · ownership.xml · derivative · entry 5

Goodwin William Carroll Murphy · CIK 0002080717 · Chief Legal & Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,468

Underlying: Class A Common Stock · 734 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock. On November 28, 2025, an aggregate of 10,734 RSUs were released to the Reporting Person.

F4 · derivative.exercise_date: On January 22, 2025, the Reporting Person was granted 2,202 RSUs, vesting in three substantially equal annual installments beginning on November 29, 2025.

F4 · derivative.expiration_date: On January 22, 2025, the Reporting Person was granted 2,202 RSUs, vesting in three substantially equal annual installments beginning on November 29, 2025.