INDI

SEC source: 0001193125-26-004917 · ownership.xml · nonDerivative · entry 5

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,095

F1 · kind: Represents shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of Restricted Stock Units.

F2 · kind: The sales were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024, and modified on May 26, 2025. The Reporting Person's Rule 10b5-1 plan includes automated open market sales of the Issuer's Class A common stock on predetermined dates through March 31, 2027.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in separate transactions at prices ranging from $3.61 to $3.76, 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 price range set forth in this footnote.

SEC source: 0001193125-26-004917 · ownership.xml · nonDerivative · entry 4

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 121,482

F1 · kind: Represents shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of Restricted Stock Units.

SEC source: 0001193125-26-004893 · ownership.xml · nonDerivative · entry 6

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,202

F1 · kind: Represents shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of Restricted Stock Units.

SEC source: 0001193125-26-004893 · ownership.xml · nonDerivative · entry 5

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 240,892

F1 · kind: Represents shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of Restricted Stock Units.

SEC source: 0001193125-26-004893 · ownership.xml · nonDerivative · entry 4

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 266,920

F1 · kind: Represents shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of Restricted Stock Units.

SEC source: 0001193125-26-004884 · ownership.xml · nonDerivative · entry 6

Aoki Ichiro · CIK 0001865423 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,725

F1 · kind: Represents shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of Restricted Stock Units.

SEC source: 0001193125-26-004884 · ownership.xml · nonDerivative · entry 5

Aoki Ichiro · CIK 0001865423 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,335

F1 · kind: Represents shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of Restricted Stock Units.

SEC source: 0001193125-26-004884 · ownership.xml · nonDerivative · entry 4

Aoki Ichiro · CIK 0001865423 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,248

F1 · kind: Represents shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of Restricted Stock Units.

SEC source: 0001193125-26-004917 · ownership.xml · derivative · entry 9

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 12,500 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F6 · derivative.exercise_price: Acquired upon achievement of certain predetermined performance criteria pursuant to a performance-based restricted stock units award (PSU Award) granted on January 3, 2023 (Award Date). The Compensation Committee certified the achievement of the performance criteria on March 6, 2025.

F7 · derivative.exercise_date: Represents shares of Class A common stock underlying the PSU Award previously granted by the Issuer on Award Date, the vesting of which was subject to the Issuer's achievement of certain predetermined performance criteria. The Compensation Committee certified the achievement of the performance criteria on March 6, 2025. 50% of the number of shares of Class A common stock reported herein vested on March 6, 2025, and the remaining 50% vested on January 3, 2026.

F7 · derivative.expiration_date: Represents shares of Class A common stock underlying the PSU Award previously granted by the Issuer on Award Date, the vesting of which was subject to the Issuer's achievement of certain predetermined performance criteria. The Compensation Committee certified the achievement of the performance criteria on March 6, 2025. 50% of the number of shares of Class A common stock reported herein vested on March 6, 2025, and the remaining 50% vested on January 3, 2026.

SEC source: 0001193125-26-004917 · ownership.xml · derivative · entry 8

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,750

Underlying: Class A Common Stock · 37,500 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F5 · derivative.exercise_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

F5 · derivative.expiration_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

SEC source: 0001193125-26-004917 · ownership.xml · derivative · entry 7

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,443 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F5 · derivative.exercise_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

F5 · derivative.expiration_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

SEC source: 0001193125-26-004917 · ownership.xml · nonDerivative · entry 3

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 126,698

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: 0001193125-26-004917 · ownership.xml · nonDerivative · entry 2

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,198

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: 0001193125-26-004917 · ownership.xml · nonDerivative · entry 1

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 95,448

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: 0001193125-26-004893 · ownership.xml · derivative · entry 11

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 143,250 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_price: Acquired upon achievement of certain predetermined performance criteria pursuant to a performance-based restricted stock units award (PSU Award) granted on January 3, 2023 (Award Date). The Compensation Committee certified the achievement of the performance criteria on March 6, 2025.

F5 · derivative.exercise_date: Represents shares of Class A common stock underlying the PSU Award previously granted by the Issuer on Award Date, the vesting of which was subject to the Issuer's achievement of certain predetermined performance criteria. The Compensation Committee certified the achievement of the performance criteria on March 6, 2025. 50% of the number of shares of Class A common stock reported herein vested on March 6, 2025, and the remaining 50% vested on January 3, 2026.

F5 · derivative.expiration_date: Represents shares of Class A common stock underlying the PSU Award previously granted by the Issuer on Award Date, the vesting of which was subject to the Issuer's achievement of certain predetermined performance criteria. The Compensation Committee certified the achievement of the performance criteria on March 6, 2025. 50% of the number of shares of Class A common stock reported herein vested on March 6, 2025, and the remaining 50% vested on January 3, 2026.

SEC source: 0001193125-26-004893 · ownership.xml · derivative · entry 10

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,625

Underlying: Class A Common Stock · 143,250 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

F3 · derivative.expiration_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

SEC source: 0001193125-26-004893 · ownership.xml · derivative · entry 9

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 6,154 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

F3 · derivative.expiration_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

SEC source: 0001193125-26-004893 · ownership.xml · nonDerivative · entry 3

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 269,159

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: 0001193125-26-004893 · ownership.xml · nonDerivative · entry 2

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,909

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: 0001193125-26-004893 · ownership.xml · nonDerivative · entry 1

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,284

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: 0001193125-26-004884 · ownership.xml · derivative · entry 10

Aoki Ichiro · CIK 0001865423 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 6,250 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_price: Acquired upon achievement of certain predetermined performance criteria pursuant to a performance-based restricted stock units award (PSU Award) granted on January 3, 2023 (Award Date). The Compensation Committee certified the achievement of the performance criteria on March 6, 2025.

F5 · derivative.exercise_date: Represents shares of Class A common stock underlying the PSU Award previously granted by the Issuer on Award Date, the vesting of which was subject to the Issuer's achievement of certain predetermined performance criteria. The Compensation Committee certified the achievement of the performance criteria on March 6, 2025. 50% of the number of shares of Class A common stock reported herein vested on March 6, 2025, and the remaining 50% vested on January 3, 2026.

F5 · derivative.expiration_date: Represents shares of Class A common stock underlying the PSU Award previously granted by the Issuer on Award Date, the vesting of which was subject to the Issuer's achievement of certain predetermined performance criteria. The Compensation Committee certified the achievement of the performance criteria on March 6, 2025. 50% of the number of shares of Class A common stock reported herein vested on March 6, 2025, and the remaining 50% vested on January 3, 2026.

SEC source: 0001193125-26-004884 · ownership.xml · derivative · entry 9

Aoki Ichiro · CIK 0001865423 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,375

Underlying: Class A Common Stock · 18,750 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

F3 · derivative.expiration_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

SEC source: 0001193125-26-004884 · ownership.xml · derivative · entry 8

Aoki Ichiro · CIK 0001865423 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,587 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

F3 · derivative.expiration_date: The time-based restricted stock units shall vest and become nonforfeitable with respect to twenty-five percent (25%) of the total number of restricted stock units on each of the first, second, third and fourth anniversaries of the grant date.

SEC source: 0001193125-26-004884 · ownership.xml · nonDerivative · entry 3

Aoki Ichiro · CIK 0001865423 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,913

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: 0001193125-26-004884 · ownership.xml · nonDerivative · entry 2

Aoki Ichiro · CIK 0001865423 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,663

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: 0001193125-26-004884 · ownership.xml · nonDerivative · entry 1

Aoki Ichiro · CIK 0001865423 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,288

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: 0001193125-26-004872 · ownership.xml · derivative · entry 4

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,625

Underlying: Class A Common Stock · 87,500 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: Such restricted stock units vest at the rate of 25% on January 2, 2026, July 1, 2026, January 4, 2027, and July 1, 2027.

F3 · derivative.expiration_date: Such restricted stock units vest at the rate of 25% on January 2, 2026, July 1, 2026, January 4, 2027, and July 1, 2027.

SEC source: 0001193125-26-004872 · ownership.xml · nonDerivative · entry 1

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,417

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: 0001193125-25-331184 · ownership.xml · nonDerivative · entry 3

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,542

F2 · kind: Represents shares of Class A common stock sold in the open market in accordance with a sell-all election made at the start of a program period of a voluntary equity compensation program as approved by the Board of Directors in June 2023. This election was made during an open trading window while Ms. Wu was not in possession of material non-public information.

SEC source: 0001193125-25-331184 · ownership.xml · nonDerivative · entry 2

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,725

F1 · kind: Represent shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of Restricted Stock Units ("RSUs").

SEC source: 0001193125-25-331184 · ownership.xml · derivative · entry 6

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 6,354 shares

Expires not disclosed

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

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_date: Represents RSUs that were fully vested as of the grant date. These RSUs represent shares received in lieu of a percentage of cash salary as part of a voluntary equity compensation program as approved by the Board of Directors in June 2023.

F4 · derivative.expiration_date: Represents RSUs that were fully vested as of the grant date. These RSUs represent shares received in lieu of a percentage of cash salary as part of a voluntary equity compensation program as approved by the Board of Directors in June 2023.

SEC source: 0001193125-25-331184 · ownership.xml · derivative · entry 5

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,354

Underlying: Class A Common Stock · 6,354 shares

Expires not disclosed

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Class A common stock.

F4 · derivative.exercise_date: Represents RSUs that were fully vested as of the grant date. These RSUs represent shares received in lieu of a percentage of cash salary as part of a voluntary equity compensation program as approved by the Board of Directors in June 2023.

F4 · derivative.expiration_date: Represents RSUs that were fully vested as of the grant date. These RSUs represent shares received in lieu of a percentage of cash salary as part of a voluntary equity compensation program as approved by the Board of Directors in June 2023.

SEC source: 0001193125-25-331184 · ownership.xml · nonDerivative · entry 1

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,896

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: 0001193125-25-322995 · ownership.xml · nonDerivative · entry 1

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 48,130

F1 · kind: The sales made in this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. The Reporting Person's Rule 10b5-1 plan includes automated open market sales of the Issuer's Class A common stock on predetermined dates and prices through June 30, 2027.

F2 · price: The price reported in Column 4 is a weighted average price. The shares reported in this Form 4 were sold in separate transactions at prices ranging from $4.01 to $4.31, 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 price range set forth in this footnote.

SEC source: 0001193125-25-317841 · ownership.xml · nonDerivative · entry 4

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,542

F4 · kind: Represent shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of restricted stock units.

SEC source: 0001193125-25-317841 · ownership.xml · nonDerivative · entry 3

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,928

F1 · kind: Represents shares of Class A common stock sold in the open market.

F3 · price: The price reported in Column 4 is a weighted average price. The shares reported in this Form 4 were sold in separate transactions at prices ranging from $4.435 to $4.45, 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 price range set forth in this footnote.

SEC source: 0001193125-25-317841 · ownership.xml · derivative · entry 6

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,750

Underlying: Class A Common Stock · 4,500 shares

Expires not disclosed

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

F5 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F6 · derivative.exercise_date: Such performance-based restricted stock units (PRSUs) shall be earned and become vested in increments of 12.5% upon the achievement of four independent operational performance goals, with the remaining PRSUs vesting in increments of 12.5% upon the anniversary of the achievement of each corresponding performance goal.

F6 · derivative.expiration_date: Such performance-based restricted stock units (PRSUs) shall be earned and become vested in increments of 12.5% upon the achievement of four independent operational performance goals, with the remaining PRSUs vesting in increments of 12.5% upon the anniversary of the achievement of each corresponding performance goal.

SEC source: 0001193125-25-317841 · ownership.xml · nonDerivative · entry 2

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,928

F1 · kind: Represents shares of Class A common stock sold in the open market.

F2 · price: The price reported in Column 4 is a weighted average price. The shares reported in this Form 4 were sold in separate transactions at prices ranging from $4.52 to $4.545, 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 price range set forth in this footnote.

SEC source: 0001193125-25-317841 · ownership.xml · nonDerivative · entry 1

Wu Naixi · CIK 0002095553 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,928

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: 0001193125-25-307102 · ownership.xml · nonDerivative · entry 3

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 94,005

F2 · kind: The sales made in this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024, and modified on May 26, 2025. The Reporting Person's Rule 10b5-1 plan includes automated open market sales of the Issuer's Class A common stock on predetermined dates through March 31, 2027.

F3 · price: The price reported in Column 4 is a weighted average price. The shares reported in this Form 4 were sold in separate transactions at prices ranging from $3.53 to $3.87, 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 price range set forth in this footnote.

SEC source: 0001193125-25-307102 · ownership.xml · nonDerivative · entry 2

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 113,789

F1 · kind: Represent shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of restricted stock units.

F2 · kind: The sales made in this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024, and modified on May 26, 2025. The Reporting Person's Rule 10b5-1 plan includes automated open market sales of the Issuer's Class A common stock on predetermined dates through March 31, 2027.

F3 · price: The price reported in Column 4 is a weighted average price. The shares reported in this Form 4 were sold in separate transactions at prices ranging from $3.53 to $3.87, 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 price range set forth in this footnote.

SEC source: 0001193125-25-307087 · ownership.xml · nonDerivative · entry 2

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,130

F1 · kind: Represent shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of restricted stock units.

SEC source: 0001193125-25-307093 · ownership.xml · nonDerivative · entry 2

Aoki Ichiro · CIK 0001865423 · Director · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,701

F1 · kind: Represent shares of Class A common stock sold in the open market to pay for withholding taxes in connection with the vesting of restricted stock units.

SEC source: 0001193125-25-307062 · ownership.xml · derivative · entry 3

ALDRICH DAVID J · CIK 0001025092 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 6,466 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 represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: Represents Restricted Stock Units ("RSUs") that were fully vested as of the grant date. These RSUs represent shares received in lieu of a quarterly cash retainer and chairperson fees, if any, as part of a voluntary independent director compensation program as approved by the Board of Directors in June 2023. The number of underlying shares is equal to the amount of the forgone quarterly cash retainer and chairperson fees, if any, divided by the closing trading price of INDI on the date of grant.

F2 · derivative.expiration_date: Represents Restricted Stock Units ("RSUs") that were fully vested as of the grant date. These RSUs represent shares received in lieu of a quarterly cash retainer and chairperson fees, if any, as part of a voluntary independent director compensation program as approved by the Board of Directors in June 2023. The number of underlying shares is equal to the amount of the forgone quarterly cash retainer and chairperson fees, if any, divided by the closing trading price of INDI on the date of grant.

SEC source: 0001193125-25-307062 · ownership.xml · derivative · entry 2

ALDRICH DAVID J · CIK 0001025092 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,466

Underlying: Class A Common Stock · 6,466 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F2 · derivative.exercise_date: Represents Restricted Stock Units ("RSUs") that were fully vested as of the grant date. These RSUs represent shares received in lieu of a quarterly cash retainer and chairperson fees, if any, as part of a voluntary independent director compensation program as approved by the Board of Directors in June 2023. The number of underlying shares is equal to the amount of the forgone quarterly cash retainer and chairperson fees, if any, divided by the closing trading price of INDI on the date of grant.

F2 · derivative.expiration_date: Represents Restricted Stock Units ("RSUs") that were fully vested as of the grant date. These RSUs represent shares received in lieu of a quarterly cash retainer and chairperson fees, if any, as part of a voluntary independent director compensation program as approved by the Board of Directors in June 2023. The number of underlying shares is equal to the amount of the forgone quarterly cash retainer and chairperson fees, if any, divided by the closing trading price of INDI on the date of grant.

SEC source: 0001193125-25-307062 · ownership.xml · nonDerivative · entry 1

ALDRICH DAVID J · CIK 0001025092 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,831

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: 0001193125-25-307102 · ownership.xml · derivative · entry 4

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 187,500

Underlying: Class A Common Stock · 262,500 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F5 · derivative.exercise_date: The time-based restricted stock units shall vest and become nonforfeitable over two years in quarterly equal installments starting on June 1, 2025 through March 1, 2027.

F5 · derivative.expiration_date: The time-based restricted stock units shall vest and become nonforfeitable over two years in quarterly equal installments starting on June 1, 2025 through March 1, 2027.

SEC source: 0001193125-25-307102 · ownership.xml · nonDerivative · entry 1

Wittmann Michael · CIK 0002009989 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 131,505

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: 0001193125-25-307087 · ownership.xml · derivative · entry 6

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 25,593 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.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: Represents Restricted Stock Units ("RSUs") that were fully vested as of the grant date. These RSUs represent shares received in lieu of a percentage of cash salary as part of a voluntary equity compensation program as approved by the Board of Directors in June 2023. The number of underlying shares is equal to the amount of the forgone salary, divided by the closing trading price of INDI on the date of grant.

F3 · derivative.expiration_date: Represents Restricted Stock Units ("RSUs") that were fully vested as of the grant date. These RSUs represent shares received in lieu of a percentage of cash salary as part of a voluntary equity compensation program as approved by the Board of Directors in June 2023. The number of underlying shares is equal to the amount of the forgone salary, divided by the closing trading price of INDI on the date of grant.

SEC source: 0001193125-25-307087 · ownership.xml · derivative · entry 5

McClymont Donald · CIK 0001866018 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,593

Underlying: Class A Common Stock · 25,593 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A common stock.

F3 · derivative.exercise_date: Represents Restricted Stock Units ("RSUs") that were fully vested as of the grant date. These RSUs represent shares received in lieu of a percentage of cash salary as part of a voluntary equity compensation program as approved by the Board of Directors in June 2023. The number of underlying shares is equal to the amount of the forgone salary, divided by the closing trading price of INDI on the date of grant.

F3 · derivative.expiration_date: Represents Restricted Stock Units ("RSUs") that were fully vested as of the grant date. These RSUs represent shares received in lieu of a percentage of cash salary as part of a voluntary equity compensation program as approved by the Board of Directors in June 2023. The number of underlying shares is equal to the amount of the forgone salary, divided by the closing trading price of INDI on the date of grant.