Tapewire

Nasdaq · USD

ACMR

ACM Research, Inc.

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Tapewire entity
3926
SEC CIK
0001680062
Parsed reports
253

Last 12 months

Inside the activity.

0 purchase rows · 72 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202502
Dec 2025010
Jan 202600
Feb 202600
Mar 2026022
Apr 202601
May 202604
Jun 2026018
Jul 202600
Aug 202606
Sep 202609
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
June 03, 2026 Filed Jun 5, 2026 20:30 UTC
Wang David HDirector · See Remarks · 10% owner
SaleClass A Common Stock 1,187 $93.04 $110,438.48
Disclosure

SEC source: 0001140361-26-024280 · form4.xml · nonDerivative · entry 7

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 on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 29, 2024.

F7 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $93.02 to $93.39, inclusive.

Read SEC document
June 03, 2026 Filed Jun 5, 2026 20:30 UTC
Wang David HDirector · See Remarks · 10% owner
SaleClass A Common Stock 5,843 $92.38 $539,776.34
Disclosure

SEC source: 0001140361-26-024280 · 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: 803,895

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 November 29, 2024.

F6 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $92.01 to $92.8, inclusive.

Read SEC document
June 03, 2026 Filed Jun 5, 2026 20:30 UTC
Wang David HDirector · See Remarks · 10% owner
SaleClass A Common Stock 9,925 $90.78 $900,991.50
Disclosure

SEC source: 0001140361-26-024280 · 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: 809,738

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 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 $90.24 to $91.22, inclusive.

Read SEC document
June 03, 2026 Filed Jun 5, 2026 20:30 UTC
Wang David HDirector · See Remarks · 10% owner
SaleClass A Common Stock 32,450 $89.84 $2,915,308.00
Disclosure

SEC source: 0001140361-26-024280 · 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: 819,663

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 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 $89.24 to $90.22, inclusive.

Read SEC document
June 03, 2026 Filed Jun 5, 2026 20:30 UTC
Wang David HDirector · See Remarks · 10% owner
SaleClass A Common Stock 6,295 $88.98 $560,129.10
Disclosure

SEC source: 0001140361-26-024280 · 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: 852,113

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 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 $88.24 to $89.22, inclusive.

Read SEC document
June 03, 2026 Filed Jun 5, 2026 20:30 UTC
Wang David HDirector · See Remarks · 10% owner
SaleClass A Common Stock 4,300 $87.57 $376,551.00
Disclosure

SEC source: 0001140361-26-024280 · 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: 858,408

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 November 29, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.22 to $88.04, 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), (3), (4), (5), (6), (7), (8), (9), (10), (11), and (12) to this Form 4.

Read SEC document
June 03, 2026 Filed Jun 5, 2026 20:30 UTC
Wang David HDirector · See Remarks · 10% owner
Exercise / conversionClass A Common Stock 60,000 $1.00 $60,000.00
Disclosure

SEC source: 0001140361-26-024280 · 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: 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.

Read SEC document
May 19, 2026 Filed May 21, 2026 20:30 UTC
Dun HaipingDirector
Exercise / conversionStock Option · Derivative 5,000 $0.00 Strike: $5.60 $0.00
Disclosure

SEC source: 0001140361-26-022458 · form4.xml · derivative · entry 8

Dun Haiping · CIK 0001721581 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Class A Common Stock · 5,000 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.

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

Read SEC document
May 19, 2026 Filed May 21, 2026 20:30 UTC
Dun HaipingDirector
SaleClass A Common Stock 1,858 $67.54 $125,489.32
Disclosure

SEC source: 0001140361-26-022458 · form4.xml · nonDerivative · entry 5

Dun Haiping · CIK 0001721581 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

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 13, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $67.43 to $68.00, inclusive.

Read SEC document
May 19, 2026 Filed May 21, 2026 20:30 UTC
Dun HaipingDirector
SaleClass A Common Stock 1,309 $67.21 $87,977.89
Disclosure

SEC source: 0001140361-26-022458 · form4.xml · nonDerivative · entry 4

Dun Haiping · CIK 0001721581 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,858

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 13, 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 $66.41 to $67.37, inclusive.

Read SEC document
May 19, 2026 Filed May 21, 2026 20:30 UTC
Dun HaipingDirector
SaleClass A Common Stock 500 $65.09 $32,545.00
Disclosure

SEC source: 0001140361-26-022458 · form4.xml · nonDerivative · entry 3

Dun Haiping · CIK 0001721581 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,167

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 13, 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 $64.78 to $65.77, inclusive.

Read SEC document
May 19, 2026 Filed May 21, 2026 20:30 UTC
Dun HaipingDirector
SaleClass A Common Stock 1,333 $63.84 $85,098.72
Disclosure

SEC source: 0001140361-26-022458 · form4.xml · nonDerivative · entry 2

Dun Haiping · CIK 0001721581 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,667

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 13, 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 $63.7 to $64.22, 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.

Read SEC document
May 19, 2026 Filed May 21, 2026 20:30 UTC
Dun HaipingDirector
Exercise / conversionClass A Common Stock 5,000 $5.60 $28,000.00
Disclosure

SEC source: 0001140361-26-022458 · form4.xml · nonDerivative · entry 1

Dun Haiping · CIK 0001721581 · 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.

Read SEC document
May 13, 2026 Filed Jul 7, 2026 01:00 UTC
Wang David HDirector · See Remarks · 10% owner
GrantRestricted Stock Units · Derivative 6,208 $0.00 $0.00
Disclosure

SEC source: 0001140361-26-027691 · form4.xml · derivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Sophia Wang, daughter of David H. Wang

Disclosed balance after: 6,208

Underlying: Class A Common Stock · 6,208 shares

Expires not disclosed

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

F2 · shares: The number of RSUs granted will be determined by dividing the applicable annual grant value by the 30-day lookback average fair market value of the Issuer's common stock, determined to be $51.54 per share.

F3 · derivative.exercise_date: The restricted stock units vest in four equal annual installments beginning May 13, 2027.

F3 · derivative.expiration_date: The restricted stock units vest in four equal annual installments beginning May 13, 2027.

Read SEC document
April 17, 2026 Filed Apr 21, 2026 20:30 UTC Exercise / conversionStock Option · Derivative 5,000 $0.00 Strike: $29.18 $0.00
Disclosure

SEC source: 0001140361-26-015915 · form4.xml · derivative · entry 3

Pappis Charles C · CIK 0001475345 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

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 April 17, 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.

Read SEC document
April 17, 2026 Filed Apr 21, 2026 20:30 UTC SaleClass A Common Stock 5,000 $52.00 $260,000.00
Disclosure

SEC source: 0001140361-26-015915 · 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.

Read SEC document
April 17, 2026 Filed Apr 21, 2026 20:30 UTC Exercise / conversionClass A Common Stock 5,000 $29.18 $145,900.00
Disclosure

SEC source: 0001140361-26-015915 · 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 April 17, 2026, the reporting person exercised a previously issued stock option to purchase 5,000 shares of Class A Common Stock of the Issuer.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 01:30 UTC
McKechnie MarkSee Remarks
Exercise / conversionStock Option · Derivative 38,551 $0.00 Strike: $19.49 $0.00
Disclosure

SEC source: 0001140361-26-009456 · form4.xml · derivative · entry 10

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,449

Underlying: Class A Common Stock · 38,551 shares

Expires 2032-08-11

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.

F8 · derivative.exercise_date: The option is fully vested and exercisable.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 01:30 UTC
McKechnie MarkSee Remarks
Exercise / conversionStock Option · Derivative 60,000 $0.00 Strike: $13.89 $0.00
Disclosure

SEC source: 0001140361-26-009456 · form4.xml · derivative · entry 9

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 240,000

Underlying: Class A Common Stock · 60,000 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.

F8 · derivative.exercise_date: The option is fully vested and exercisable.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 01:30 UTC
McKechnie MarkSee Remarks
SaleClass A Common Stock 564 $46.57 $26,265.48
Disclosure

SEC source: 0001140361-26-009456 · form4.xml · nonDerivative · entry 8

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.

F7 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.45 to $46.59, inclusive.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 01:30 UTC
McKechnie MarkSee Remarks
SaleClass A Common Stock 29,348 $45.74 $1,342,377.52
Disclosure

SEC source: 0001140361-26-009456 · form4.xml · nonDerivative · entry 7

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,464

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.

F6 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $45.40 to $46.39, inclusive.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 01:30 UTC
McKechnie MarkSee Remarks
SaleClass A Common Stock 8,639 $44.94 $388,236.66
Disclosure

SEC source: 0001140361-26-009456 · form4.xml · nonDerivative · entry 6

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,812

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.

F5 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $44.40 to $45.39, inclusive.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 01:30 UTC
McKechnie MarkSee Remarks
Exercise / conversionClass A Common Stock 38,551 $19.49 $751,358.99
Disclosure

SEC source: 0001140361-26-009456 · form4.xml · nonDerivative · entry 5

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,451

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.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 01:30 UTC
McKechnie MarkSee Remarks
SaleClass A Common Stock 982 $46.55 $45,712.10
Disclosure

SEC source: 0001140361-26-009456 · form4.xml · nonDerivative · entry 4

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.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.39 to $46.59, inclusive.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 01:30 UTC
McKechnie MarkSee Remarks
SaleClass A Common Stock 47,108 $45.74 $2,154,719.92
Disclosure

SEC source: 0001140361-26-009456 · form4.xml · nonDerivative · entry 3

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,882

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 $45.37 to $46.36, inclusive.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 01:30 UTC
McKechnie MarkSee Remarks
SaleClass A Common Stock 11,910 $44.89 $534,639.90
Disclosure

SEC source: 0001140361-26-009456 · form4.xml · nonDerivative · entry 2

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 48,990

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 $44.37 to $45.35, 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), (5), (6) and (7) to this Form 4.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 01:30 UTC
McKechnie MarkSee Remarks
Exercise / conversionClass A Common Stock 60,000 $13.89 $833,400.00
Disclosure

SEC source: 0001140361-26-009456 · form4.xml · nonDerivative · entry 1

McKechnie Mark · CIK 0001775007 · See Remarks

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,900

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.

Read SEC document
March 12, 2026 Filed Mar 13, 2026 20:46 UTC
Wang David HDirector · See Remarks · 10% owner
Exercise / conversionStock Option · Derivative 50,000 $0.00 Strike: $1.00 $0.00
Disclosure

SEC source: 0001140361-26-009401 · form4.xml · derivative · entry 13

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 370,002

Underlying: Class A Common Stock · 50,000 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.

F7 · derivative.exercise_date: The option is fully vested and exercisable.

Read SEC document
March 12, 2026 Filed Mar 13, 2026 20:46 UTC
Wang David HDirector · See Remarks · 10% owner
SaleClass A Common Stock 702 $46.57 $32,692.14
Disclosure

SEC source: 0001140361-26-009401 · form4.xml · nonDerivative · entry 7

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 on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 29, 2024.

F6 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.45 to $46.59, inclusive.

Read SEC document
March 12, 2026 Filed Mar 13, 2026 20:46 UTC
Wang David HDirector · See Remarks · 10% owner
SaleClass A Common Stock 38,737 $45.74 $1,771,830.38
Disclosure

SEC source: 0001140361-26-009401 · 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: 803,410

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 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 $45.40 to $46.39, inclusive.

Read SEC document
March 12, 2026 Filed Mar 13, 2026 20:46 UTC
Wang David HDirector · See Remarks · 10% owner
SaleClass A Common Stock 10,561 $44.92 $474,400.12
Disclosure

SEC source: 0001140361-26-009401 · 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: 842,147

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 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 $44.40 to $45.39, inclusive.

Read SEC document
March 12, 2026 Filed Mar 13, 2026 20:46 UTC
Wang David HDirector · See Remarks · 10% owner
Exercise / conversionClass A Common Stock 50,000 $1.00 $50,000.00
Disclosure

SEC source: 0001140361-26-009401 · 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: 852,708

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.

Read SEC document
March 11, 2026 Filed Mar 12, 2026 20:30 UTC
Liu TracyDirector
Exercise / conversionStock Option · Derivative 15,000 $0.00 Strike: $1.00 $0.00
Disclosure

SEC source: 0001140361-26-009239 · form4.xml · derivative · entry 8

Liu Tracy · CIK 0001721299 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

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.

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

Read SEC document
March 11, 2026 Filed Mar 12, 2026 20:30 UTC
Liu TracyDirector
SaleClass A Common Stock 3,377 $48.25 $162,940.25
Disclosure

SEC source: 0001140361-26-009239 · form4.xml · nonDerivative · entry 6

Liu Tracy · CIK 0001721299 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 110,772

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 4, 2025.

F5 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $48.13 to $48.44, inclusive.

Read SEC document
March 11, 2026 Filed Mar 12, 2026 20:30 UTC
Liu TracyDirector
SaleClass A Common Stock 11,623 $47.81 $555,695.63
Disclosure

SEC source: 0001140361-26-009239 · form4.xml · nonDerivative · entry 5

Liu Tracy · CIK 0001721299 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,149

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 4, 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 $47.13 to $48.12, inclusive.

Read SEC document
March 11, 2026 Filed Mar 12, 2026 20:30 UTC
Liu TracyDirector
Exercise / conversionClass A Common Stock 15,000 $1.00 $15,000.00
Disclosure

SEC source: 0001140361-26-009239 · form4.xml · nonDerivative · entry 4

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.

Read SEC document
March 11, 2026 Filed Mar 13, 2026 20:46 UTC
Wang David HDirector · See Remarks · 10% owner
Exercise / conversionStock Option · Derivative 60,000 $0.00 Strike: $1.00 $0.00
Disclosure

SEC source: 0001140361-26-009401 · 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: 420,002

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.

F7 · derivative.exercise_date: The option is fully vested and exercisable.

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March 11, 2026 Filed Mar 13, 2026 20:46 UTC
Wang David HDirector · See Remarks · 10% owner
SaleClass A Common Stock 4,627 $48.34 $223,669.18
Disclosure

SEC source: 0001140361-26-009401 · 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 on 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 $48.23 to $48.61, inclusive.

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March 11, 2026 Filed Mar 13, 2026 20:46 UTC
Wang David HDirector · See Remarks · 10% owner
SaleClass A Common Stock 55,373 $47.89 $2,651,812.97
Disclosure

SEC source: 0001140361-26-009401 · 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: 807,335

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 November 29, 2024.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.23 to $48.22, 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), (5), and (6) to this Form 4.

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March 11, 2026 Filed Mar 13, 2026 20:46 UTC
Wang David HDirector · See Remarks · 10% owner
Exercise / conversionClass A Common Stock 60,000 $1.00 $60,000.00
Disclosure

SEC source: 0001140361-26-009401 · 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: 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.

Read SEC document
March 10, 2026 Filed Mar 12, 2026 20:30 UTC
Liu TracyDirector
Exercise / conversionStock Option · Derivative 45,000 $0.00 Strike: $1.00 $0.00
Disclosure

SEC source: 0001140361-26-009239 · form4.xml · derivative · entry 7

Liu Tracy · CIK 0001721299 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Class A Common Stock · 45,000 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.

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March 10, 2026 Filed Mar 12, 2026 20:30 UTC
Liu TracyDirector
SaleClass A Common Stock 12,784 $48.19 $616,060.96
Disclosure

SEC source: 0001140361-26-009239 · form4.xml · nonDerivative · entry 3

Liu Tracy · CIK 0001721299 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 110,772

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 4, 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 $47.70 to $48.50, inclusive.

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March 10, 2026 Filed Mar 12, 2026 20:30 UTC
Liu TracyDirector
SaleClass A Common Stock 32,216 $47.06 $1,516,084.96
Disclosure

SEC source: 0001140361-26-009239 · form4.xml · nonDerivative · entry 2

Liu Tracy · CIK 0001721299 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 123,556

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 4, 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 $46.67 to $47.51, 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.

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March 10, 2026 Filed Mar 12, 2026 20:30 UTC
Liu TracyDirector
Exercise / conversionClass A Common Stock 45,000 $1.00 $45,000.00
Disclosure

SEC source: 0001140361-26-009239 · form4.xml · nonDerivative · entry 1

Liu Tracy · CIK 0001721299 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 155,772

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.

Read SEC document
March 09, 2026 Filed Mar 11, 2026 20:30 UTC
Dun HaipingDirector
Exercise / conversionStock Option · Derivative 5,000 $0.00 Strike: $5.60 $0.00
Disclosure

SEC source: 0001140361-26-009039 · form4.xml · derivative · entry 6

Dun Haiping · CIK 0001721581 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 55,000

Underlying: Class A Common Stock · 5,000 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.

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

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March 09, 2026 Filed Mar 11, 2026 20:30 UTC
Dun HaipingDirector
SaleClass A Common Stock 900 $43.94 $39,546.00
Disclosure

SEC source: 0001140361-26-009039 · form4.xml · nonDerivative · entry 3

Dun Haiping · CIK 0001721581 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

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 13, 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 $43.90 to $44.00, inclusive.

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March 09, 2026 Filed Mar 11, 2026 20:30 UTC
Dun HaipingDirector
SaleClass A Common Stock 4,100 $43.37 $177,817.00
Disclosure

SEC source: 0001140361-26-009039 · form4.xml · nonDerivative · entry 2

Dun Haiping · CIK 0001721581 · Director

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 13, 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 $42.88 to $43.87, 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 ranges set forth in footnote (2) and (3) to this Form 4.

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March 09, 2026 Filed Mar 11, 2026 20:30 UTC
Dun HaipingDirector
Exercise / conversionClass A Common Stock 5,000 $5.60 $28,000.00
Disclosure

SEC source: 0001140361-26-009039 · form4.xml · nonDerivative · entry 1

Dun Haiping · CIK 0001721581 · 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.

Read SEC document
March 06, 2026 Filed Mar 9, 2026 20:30 UTC
Feng LisaSee remarks
Exercise / conversionStock Option · Derivative 15,000 $0.00 Strike: $4.55 $0.00
Disclosure

SEC source: 0001140361-26-008479 · form4.xml · derivative · entry 8

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.

Read SEC document
March 06, 2026 Filed Mar 9, 2026 20:30 UTC
Feng LisaSee remarks
SaleClass A Common Stock 200 $46.58 $9,316.00
Disclosure

SEC source: 0001140361-26-008479 · form4.xml · nonDerivative · entry 6

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.

F5 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.52 to $46.63, inclusive.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.