ACMR

SEC source: 0001140361-26-008479 · form4.xml · nonDerivative · entry 5

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,201

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $45.51 to $46.48, inclusive.

SEC source: 0001140361-26-008479 · form4.xml · nonDerivative · entry 4

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,001

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: 0001140361-26-008480 · form4.xml · derivative · entry 3

Pappis Charles C · CIK 0001475345 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 shares

Expires 2035-03-14

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

F1 · kind: On March 5, 2026, the reporting person exercised a previously issued stock option to purchase 5,000 shares of Class A Common Stock of the Issuer.

F3 · derivative.exercise_date: The option is fully vested and exercisable.

SEC source: 0001140361-26-008480 · form4.xml · nonDerivative · entry 2

Pappis Charles C · CIK 0001475345 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F2 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2025.

SEC source: 0001140361-26-008480 · form4.xml · nonDerivative · entry 1

Pappis Charles C · CIK 0001475345 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,000

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

F1 · kind: On March 5, 2026, the reporting person exercised a previously issued stock option to purchase 5,000 shares of Class A Common Stock of the Issuer.

SEC source: 0001140361-26-008479 · form4.xml · derivative · entry 7

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 15,000 shares

Expires 2029-11-03

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

F6 · derivative.exercise_date: The option is fully vested and exercisable.

SEC source: 0001140361-26-008479 · form4.xml · nonDerivative · entry 3

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,001

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $50.16 to $50.54, inclusive.

SEC source: 0001140361-26-008479 · form4.xml · nonDerivative · entry 2

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,951

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 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 $49.16 to $50.06, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2), (3), (4) and (5) to this Form 4.

SEC source: 0001140361-26-008479 · form4.xml · nonDerivative · entry 1

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,001

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: 0001140361-26-004200 · form4.xml · derivative · entry 5

Wang David H · CIK 0001721580 · Director · See Remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,636,197

Underlying: Class A Common Stock · 545,400 shares

Expires 2030-03-19

F1 · derivative.exercise_date: On March 20, 2020, the reporting person was granted options to purchase an aggregate of 1,636,197 shares of the Issuer's Class A common stock, based on the satisfaction of certain performance criteria. In general, one-third of the shares subject to the options vest and become exercisable upon an increase in the Issuer's market capitalization (calculated as described in footnote 2) of $1 billion, $2 billion and $3 billion, respectively, from the market capitalization of $553,383,586 on the date of grant. 545,400 shares vested and became exercisable on February 4, 2026, which was the first trading day as of which the Issuer's market capitalization equaled or exceeded $3,553,383,586.

F2 · derivative.exercise_date: For purposes of the options, the market capitalization as of a specified trading day is calculated by multiplying (a) the average of the daily volume-weighted average price per share of the Issuer's Class A common stock for each of the trading days occurring during the thirty calendar day period ending on that specified trading day by (b) the total number of issued and outstanding shares of the Issuer's Class A and Class B common stock as of 11:59 p.m. (Eastern time) on such specified trading day.

SEC source: 0001140361-25-044909 · form4.xml · derivative · entry 7

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 22,500 shares

Expires 2032-03-03

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_date: The option is fully vested and exercisable.

SEC source: 0001140361-25-044909 · form4.xml · nonDerivative · entry 5

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 900

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025.

SEC source: 0001140361-25-044909 · form4.xml · nonDerivative · entry 4

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,400

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: 0001140361-25-044559 · form4.xml · derivative · entry 12

Wang David H · CIK 0001721580 · Director · See Remarks · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 480,002

Underlying: Class A Common Stock · 60,000 shares

Expires 2026-12-27

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

F6 · derivative.exercise_date: The option is fully vested and exercisable.

SEC source: 0001140361-25-044559 · form4.xml · nonDerivative · entry 6

Wang David H · CIK 0001721580 · Director · See Remarks · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 802,708

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 29, 2024.

F5 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $34.18 to $34.63, inclusive.

SEC source: 0001140361-25-044559 · form4.xml · nonDerivative · entry 5

Wang David H · CIK 0001721580 · Director · See Remarks · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 842,891

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 29, 2024.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $33.07 to $34.04, inclusive.

SEC source: 0001140361-25-044559 · form4.xml · nonDerivative · entry 4

Wang David H · CIK 0001721580 · Director · See Remarks · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 862,708

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: 0001140361-25-044909 · form4.xml · derivative · entry 6

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 8,750 shares

Expires 2029-11-03

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_date: The option is fully vested and exercisable.

SEC source: 0001140361-25-044909 · form4.xml · nonDerivative · entry 3

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 900

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $34.26 to $34.27, inclusive.

SEC source: 0001140361-25-044909 · form4.xml · nonDerivative · entry 2

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,896

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 27, 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 $33.07 to $34.04, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) and (3) to this Form 4.

SEC source: 0001140361-25-044909 · form4.xml · nonDerivative · entry 1

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,650

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: 0001140361-25-044360 · form4.xml · derivative · entry 7

Chen Fuping · CIK 0001729184 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,165

Underlying: Class A Common Stock · 20,000 shares

Expires 2028-01-24

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_date: The option is fully vested and exercisable.

SEC source: 0001140361-25-044360 · form4.xml · nonDerivative · entry 5

Chen Fuping · CIK 0001729184 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 28, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $33.53 to $33.59, inclusive.

SEC source: 0001140361-25-044360 · form4.xml · nonDerivative · entry 4

Chen Fuping · CIK 0001729184 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 300

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 28, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $32.51 to $33.48, inclusive.

SEC source: 0001140361-25-044360 · form4.xml · nonDerivative · entry 3

Chen Fuping · CIK 0001729184 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,000

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

SEC source: 0001140361-25-044559 · form4.xml · derivative · entry 11

Wang David H · CIK 0001721580 · Director · See Remarks · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 540,002

Underlying: Class A Common Stock · 70,000 shares

Expires 2026-12-27

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

F6 · derivative.exercise_date: The option is fully vested and exercisable.

SEC source: 0001140361-25-044559 · form4.xml · nonDerivative · entry 3

Wang David H · CIK 0001721580 · Director · See Remarks · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 802,708

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 29, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $33.53 to $33.59, inclusive.

SEC source: 0001140361-25-044559 · form4.xml · nonDerivative · entry 2

Wang David H · CIK 0001721580 · Director · See Remarks · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 803,908

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 29, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $32.51 to $33.48, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2), (3), (4), and (5) to this Form 4.

SEC source: 0001140361-25-044559 · form4.xml · nonDerivative · entry 1

Wang David H · CIK 0001721580 · Director · See Remarks · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 872,708

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: 0001140361-25-044360 · form4.xml · derivative · entry 6

Chen Fuping · CIK 0001729184 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 41,165

Underlying: Class A Common Stock · 100,000 shares

Expires 2028-01-24

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_date: The option is fully vested and exercisable.

SEC source: 0001140361-25-044360 · form4.xml · nonDerivative · entry 2

Chen Fuping · CIK 0001729184 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 28, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $32.75 to $33.67, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2), (3), and (4) to this Form 4.

SEC source: 0001140361-25-044360 · form4.xml · nonDerivative · entry 1

Chen Fuping · CIK 0001729184 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 100,000

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

SEC source: 0001140361-25-042345 · form4.xml · derivative · entry 6

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 15,000 shares

Expires 2029-04-22

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

F3 · kind: On November 13, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.

F4 · derivative.exercise_date: The option is fully vested and exercisable.

SEC source: 0001140361-25-042345 · form4.xml · nonDerivative · entry 4

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,001

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 13, 2025.

SEC source: 0001140361-25-042345 · form4.xml · nonDerivative · entry 3

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,001

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

F3 · kind: On November 13, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.

SEC source: 0001140361-25-042348 · form4.xml · nonDerivative · entry 1

Dun Haiping · CIK 0001721581 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · kind: Reflects a gift of 755,090 shares of Class A common stock from the reporting person to the Haiping Dun & Chi-Pin H Dun Revocable Trust, of which the reporting person is co-trustee and of which the reporting person's immediate family members are beneficiaries.

SEC source: 0001140361-25-042345 · form4.xml · derivative · entry 5

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Class A Common Stock · 15,000 shares

Expires 2029-04-22

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

F1 · kind: On November 12, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.

F4 · derivative.exercise_date: The option is fully vested and exercisable.

SEC source: 0001140361-25-042345 · form4.xml · nonDerivative · entry 2

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,001

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 13, 2025.

SEC source: 0001140361-25-042345 · form4.xml · nonDerivative · entry 1

Feng Lisa · CIK 0001779777 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,001

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

F1 · kind: On November 12, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.

SEC source: 0001140361-25-039758 · form4.xml · derivative · entry 5

Wang David H · CIK 0001721580 · Director · See Remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 545,400

Underlying: Class A Common Stock · 545,400 shares

Expires 2030-03-19

F1 · derivative.exercise_date: On March 20, 2020, the reporting person was granted options to purchase an aggregate of 1,636,197 shares of the Issuer's Class A common stock, based on the satisfaction of certain performance criteria. In general, one-third of the shares subject to the options vest and become exercisable upon an increase in the Issuer's market capitalization (calculated as described in footnote 2) of $1 billion, $2 billion and $3 billion, respectively, from the market capitalization of $553,383,586 on the date of grant. 545,400 shares vested and became exercisable on October 27, 2025, which was the first trading day as of which the Issuer's market capitalization equaled or exceeded $2,553,383,586. The remaining shares will vest and become exercise upon the first trading days, if any, on which the Issuer's market capitalization equals or exceeds $3,553,383,586.

F2 · derivative.exercise_date: For purposes of the options, the market capitalization as of a specified trading day is calculated by multiplying (a) the average of the daily volume-weighted average price per share of the Issuer's Class A common stock for each of the trading days occurring during the thirty calendar day period ending on that specified trading day by (b) the total number of issued and outstanding shares of the Issuer's Class A and Class B common stock as of 11:59 p.m. (Eastern time) on such specified trading day.

SEC source: 0001140361-25-035581 · form4.xml · derivative · entry 3

Wang Jian · CIK 0001721620 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 30,000 shares

Expires 2029-04-22

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

F1 · kind: On September 18, 2025, the reporting person exercised a previously issued stock option to purchase 30,000 shares of Class A Common Stock of the Issuer.

F3 · derivative.exercise_date: The option is fully vested and exercisable.

SEC source: 0001140361-25-035581 · form4.xml · nonDerivative · entry 2

Wang Jian · CIK 0001721620 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 253,158

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 20, 2025.

SEC source: 0001140361-25-035581 · form4.xml · nonDerivative · entry 1

Wang Jian · CIK 0001721620 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 283,158

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

F1 · kind: On September 18, 2025, the reporting person exercised a previously issued stock option to purchase 30,000 shares of Class A Common Stock of the Issuer.

SEC source: 0001140361-25-035583 · form4.xml · derivative · entry 3

Cheav Sotheara · CIK 0001721279 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,250

Underlying: Class A Common Stock · 10,000 shares

Expires 2033-08-09

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

F1 · kind: On September 18, 2025, the reporting person exercised a previously issued stock option to purchase 10,000 shares of Class A Common Stock of the Issuer.

F3 · derivative.exercise_date: The option will vest and become exercisable as to 7,500 shares on May 15, 2026 and the remaining 22,500 shares will vest and become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date. option is fully vested and exercisable.

SEC source: 0001140361-25-035583 · form4.xml · nonDerivative · entry 2

Cheav Sotheara · CIK 0001721279 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 100,002

F2 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 15, 2025.

SEC source: 0001140361-25-035583 · form4.xml · nonDerivative · entry 1

Cheav Sotheara · CIK 0001721279 · See remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 110,002

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

F1 · kind: On September 18, 2025, the reporting person exercised a previously issued stock option to purchase 10,000 shares of Class A Common Stock of the Issuer.

SEC source: 0001140361-25-035582 · form4.xml · derivative · entry 3

Liu Tracy · CIK 0001721299 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,000

Underlying: Class A Common Stock · 15,000 shares

Expires 2026-12-27

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

F1 · kind: On September 17, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.

F3 · derivative.exercise_date: The option is fully vested and exercisable.

SEC source: 0001140361-25-035582 · form4.xml · nonDerivative · entry 2

Liu Tracy · CIK 0001721299 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 110,772

F2 · kind: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2025.

SEC source: 0001140361-25-035582 · form4.xml · nonDerivative · entry 1

Liu Tracy · CIK 0001721299 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 125,772

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

F1 · kind: On September 17, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.

SEC source: 0001140361-25-036835 · form4.xml · derivative · entry 6

Wang David H · CIK 0001721580 · Director · See Remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 610,002

Underlying: Class A Common Stock · 130,000 shares

Expires 2026-12-27

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

F1 · kind: On September 8, 2025, the reporting person exercised, by net exercise, a previously issued stock option to purchase 130,000 shares of Class A Common Stock of the Issuer.

F2 · derivative.exercise_date: The option is fully vested and exercisable.