PUJARI ROSHEN

SEC source: 0001493152-26-029105 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 501,910

F1 · kind: Sale of shares to cover tax withholding obligation incurred upon settlement of restricted stock units.

SEC source: 0001493152-26-025681 · ownership.xml · nonDerivative · entry 2

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,177,475

F3 · kind: This transaction involved the reporting person's gift of 563,000 shares of Common Stock held by 7636 Holdings LLC to irrevocable trusts for the benefit of the reporting person's child. The reporting person disclaims beneficial ownership of the securities held by his child, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

F4 · ownership.nature: The reporting person beneficially owns 465,286 shares held by Energy Transition Investors LLC, 524,279 shares held by 7636 Holdings LLC, 141,888 shares held by Vikasa Clean Energy LLC, and 46,022 shares held by Maggie Clayton.

SEC source: 0001493152-26-025681 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 502,771

F1 · kind: Sale of shares to cover tax withholding obligation incurred upon settlement of restricted stock units.

F2 · price: The price reported is a weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from $2.11 to $2.50, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001493152-26-012464 · ownership.xml · nonDerivative · entry 2

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 605,198

F2 · kind: Sale of shares to cover tax withholding obligation incurred upon vesting and settlement of RSUs.

SEC source: 0001493152-26-012464 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 606,330

F1 · shares: Represents a grant of restricted stock units ("RSUs") payable solely in common stock. The RSUs are fully vested.

SEC source: 0001493152-25-028226 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 363,213

F1 · kind: Represents sales to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units ("RSUs") pursuant to a Rule 10b5-1 trading plan adopted on November 29, 2024.

SEC source: 0001493152-25-025727 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,740,475

F1 · kind: Represents pro rata distribution of 31,819 Common Stock of the issuer held by Vikasa Clean Energy I L.P., beneficially owned by the reporting person, for no additional consideration, to certain limited partner. Effective December 1, 2025, Vikasa Clean Energy I L.P. effected a partial pro rata distribution of Common Stock of the issuer, to its limited partner. The reporting person disclaims beneficial ownership of the securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

F2 · ownership.nature: Roshan Pujari beneficially owns 465,286 shares held by Energy Transition Investors LLC, 1,087,279 shares held by 7636 Holdings LLC, 141,888 shares held by Vikasa Clean Energy LLC, and 46,022 shares held by Maggie Clayton.

SEC source: 0001493152-25-013749 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 364,166

F1 · kind: Represents sales to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units ("RSUs") pursuant to a Rule 10b5-1 trading plan adopted on November 29, 2024.

F2 · balance_after: The share numbers reflected in Table I have been adjusted to take into account a 10-for-1 reverse stock split of the Issuer's common stock that was effected on September 8, 2025.

SEC source: 0001641172-25-018748 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,651,063

F1 · kind: This transaction involved the reporting person's gift of 5,250,000 shares of Common Stock to irrevocable trusts for the benefit of the reporting person's child. The reporting person disclaims beneficial ownership of the securities held by his child, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

SEC source: 0001641172-25-015900 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 17,722,957

F1 · kind: Represents pro rata distribution of 103,817 Common Stock of the issuer held by Vikasa Clean Energy I L.P., beneficially owned by the reporting person, for no additional consideration, to certain limited partners. Effective June 18, 2025, Vikasa Clean Energy I L.P. effected a partial pro rata distribution of Common Stock of the issuer, to its limited partners. The reporting person disclaims beneficial ownership of the securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

F2 · ownership.nature: Roshan Pujari beneficially owns 4,652,864 shares held by Energy Transition Investors LLC, 10,872,790 shares held by 7636 Holdings LLC, 1,737,079 shares held by Vikasa Clean Energy LLC, and 460,224 shares held by Maggie Clayton.

SEC source: 0001641172-25-015480 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,901,063

F1 · kind: Represents sales to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units ("RSUs") pursuant to a Rule 10b5-1 trading plan adopted on November 29, 2024.

SEC source: 0001641172-25-005292 · ownership.xml · nonDerivative · entry 2

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,910,413

F2 · kind: This transaction involved the reporting person's gift of 1,380,000 shares of Common Stock to an irrevocable trust for the benefit of the reporting person's child. The reporting person disclaims beneficial ownership of the securities held by his child, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

SEC source: 0001641172-25-005292 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,290,413

F1 · kind: This transaction involved the reporting person's gift of 1,500,000 shares of Common Stock to an irrevocable trust for the benefit of the reporting person's child. The reporting person disclaims beneficial ownership of the securities held by his child, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.

SEC source: 0001493152-25-010757 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,790,413

F1 · kind: Represents sales to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units ("RSUs") pursuant to a Rule 10b5-1 trading plan adopted on November 29, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at a range of $0.60 - $0.62, inclusive. The undersigned undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0001493152-25-010192 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,800,563

F1 · kind: Represents sales to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units ("RSUs") pursuant to a Rule 10b5-1 trading plan adopted on November 29, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at a range of $0.61 - $0.62, inclusive. The undersigned undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0001493152-24-037617 · ownership.xml · derivative · entry 3

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 306,314

Underlying: Common Stock · 306,314 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive one share of Common Stock upon the reporting person's continued employment until the third anniversary of the date of grant, subject to the SDST Common Stock achieving a $12.00 volume weighted average price for a period of 20 trading days during any 30 trading day period during the three year vesting period.

F3 · derivative.exercise_date: Each performance stock unit ("PSU") represents a contingent right to receive one share of Common Stock upon the reporting person's continued employment until the third anniversary of the date of grant, subject to the SDST Common Stock achieving a $12.00 volume weighted average price for a period of 20 trading days during any 30 trading day period during the three year vesting period.

F3 · derivative.expiration_date: Each performance stock unit ("PSU") represents a contingent right to receive one share of Common Stock upon the reporting person's continued employment until the third anniversary of the date of grant, subject to the SDST Common Stock achieving a $12.00 volume weighted average price for a period of 20 trading days during any 30 trading day period during the three year vesting period.

SEC source: 0001493152-24-037617 · ownership.xml · nonDerivative · entry 1

PUJARI ROSHEN · CIK 0002028136 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,811,913

F1 · security: The reported securities represent restricted stock units ("RSUs") approved and granted by the Issuer's Board on 9/16/24, subject to the effectiveness of the Issuer's registration statement on Form S-8 that was filed with the SEC on 9/18/24. The reported RSUs vest quarterly over three years following the date of grant, subject to the reporting person's continued employment.

F1 · date: The reported securities represent restricted stock units ("RSUs") approved and granted by the Issuer's Board on 9/16/24, subject to the effectiveness of the Issuer's registration statement on Form S-8 that was filed with the SEC on 9/18/24. The reported RSUs vest quarterly over three years following the date of grant, subject to the reporting person's continued employment.