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[Form 4] ACM Research, Inc. Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

ACM Research (ACMR) filed a Form 4 reporting that subsidiary CFO Lisa Feng exercised 15,000 stock options at $5.60 and immediately sold the same number of Class A shares at $26.00 on 06/24/2025 under a Rule 10b5-1 plan. Cash proceeds totaled roughly $390 k; her beneficial ownership remains 50,001 shares, indicating no net change in holdings.

ACM Research (ACMR) ha presentato un Modulo 4 segnalando che la CFO della controllata, Lisa Feng, ha esercitato 15.000 opzioni su azioni al prezzo di 5,60 $ e ha immediatamente venduto lo stesso numero di azioni di Classe A a 26,00 $ il 24/06/2025, nell'ambito di un piano Rule 10b5-1. I proventi in contanti sono stati circa 390.000 $; la sua partecipazione effettiva rimane di 50.001 azioni, indicando nessuna variazione netta nella detenzione.

ACM Research (ACMR) present贸 un Formulario 4 informando que la CFO de la subsidiaria, Lisa Feng, ejerci贸 15,000 opciones sobre acciones a $5.60 y vendi贸 inmediatamente el mismo n煤mero de acciones Clase A a $26.00 el 24/06/2025 bajo un plan Rule 10b5-1. Los ingresos en efectivo totalizaron aproximadamente $390,000; su propiedad beneficiaria se mantiene en 50,001 acciones, lo que indica que no hubo cambio neto en sus participaciones.

ACM Research (ACMR)電� 鞛愴殞靷� CFO鞚� Lisa Feng鞚� 2025雲� 6鞗� 24鞚� $5.60鞐� 15,000欤� 鞀ろ啞鞓奠厴鞚� 頄夓偓頃橁碃, 臧欖潃 靾橂焿鞚� 韥措灅鞀� A 欤检嫕鞚� $26.00鞐� 歃夓嫓 韺愲Г頄堧嫟瓿� Form 4毳� 韱淀暣 氤搓碃頄堨姷雼堧嫟. 鞚措姅 Rule 10b5-1 瓿勴殟鞐� 霐半ジ 瓯半灅鞛呺媹雼�. 順勱笀 靾橃澋鞚� 鞎� $390,000鞓�鞙茧┌, 攴鸽厐鞚� 鞁れ 氤挫湢 欤检嫕 靾橂姅 50,001欤�搿� 氤�霃欖澊 鞐嗢潓鞚� 雮橅儉雰呺媹雼�.

ACM Research (ACMR) a d茅pos茅 un formulaire 4 signalant que la CFO de la filiale, Lisa Feng, a exerc茅 15 000 options d'achat d'actions 脿 5,60 $ et a imm茅diatement vendu le m锚me nombre d'actions de classe A 脿 26,00 $ le 24/06/2025 dans le cadre d'un plan Rule 10b5-1. Le produit en esp猫ces s'est 茅lev茅 脿 environ 390 000 $ ; sa d茅tention effective demeure 脿 50 001 actions, indiquant aucune variation nette de ses avoirs.

ACM Research (ACMR) reichte ein Formular 4 ein, in dem berichtet wird, dass die CFO der Tochtergesellschaft, Lisa Feng, am 24.06.2025 15.000 Aktienoptionen zu 5,60 $ ausge眉bt und sofort die gleiche Anzahl von Class-A-Aktien zu 26,00 $ im Rahmen eines Rule 10b5-1-Plans verkauft hat. Die Barausbeute belief sich auf etwa 390.000 $; ihr wirtschaftliches Eigentum bleibt bei 50.001 Aktien, was auf keine Nettover盲nderung der Beteiligungen hinweist.

Positive
  • None.
Negative
  • None.

ACM Research (ACMR) ha presentato un Modulo 4 segnalando che la CFO della controllata, Lisa Feng, ha esercitato 15.000 opzioni su azioni al prezzo di 5,60 $ e ha immediatamente venduto lo stesso numero di azioni di Classe A a 26,00 $ il 24/06/2025, nell'ambito di un piano Rule 10b5-1. I proventi in contanti sono stati circa 390.000 $; la sua partecipazione effettiva rimane di 50.001 azioni, indicando nessuna variazione netta nella detenzione.

ACM Research (ACMR) present贸 un Formulario 4 informando que la CFO de la subsidiaria, Lisa Feng, ejerci贸 15,000 opciones sobre acciones a $5.60 y vendi贸 inmediatamente el mismo n煤mero de acciones Clase A a $26.00 el 24/06/2025 bajo un plan Rule 10b5-1. Los ingresos en efectivo totalizaron aproximadamente $390,000; su propiedad beneficiaria se mantiene en 50,001 acciones, lo que indica que no hubo cambio neto en sus participaciones.

ACM Research (ACMR)電� 鞛愴殞靷� CFO鞚� Lisa Feng鞚� 2025雲� 6鞗� 24鞚� $5.60鞐� 15,000欤� 鞀ろ啞鞓奠厴鞚� 頄夓偓頃橁碃, 臧欖潃 靾橂焿鞚� 韥措灅鞀� A 欤检嫕鞚� $26.00鞐� 歃夓嫓 韺愲Г頄堧嫟瓿� Form 4毳� 韱淀暣 氤搓碃頄堨姷雼堧嫟. 鞚措姅 Rule 10b5-1 瓿勴殟鞐� 霐半ジ 瓯半灅鞛呺媹雼�. 順勱笀 靾橃澋鞚� 鞎� $390,000鞓�鞙茧┌, 攴鸽厐鞚� 鞁れ 氤挫湢 欤检嫕 靾橂姅 50,001欤�搿� 氤�霃欖澊 鞐嗢潓鞚� 雮橅儉雰呺媹雼�.

ACM Research (ACMR) a d茅pos茅 un formulaire 4 signalant que la CFO de la filiale, Lisa Feng, a exerc茅 15 000 options d'achat d'actions 脿 5,60 $ et a imm茅diatement vendu le m锚me nombre d'actions de classe A 脿 26,00 $ le 24/06/2025 dans le cadre d'un plan Rule 10b5-1. Le produit en esp猫ces s'est 茅lev茅 脿 environ 390 000 $ ; sa d茅tention effective demeure 脿 50 001 actions, indiquant aucune variation nette de ses avoirs.

ACM Research (ACMR) reichte ein Formular 4 ein, in dem berichtet wird, dass die CFO der Tochtergesellschaft, Lisa Feng, am 24.06.2025 15.000 Aktienoptionen zu 5,60 $ ausge眉bt und sofort die gleiche Anzahl von Class-A-Aktien zu 26,00 $ im Rahmen eines Rule 10b5-1-Plans verkauft hat. Die Barausbeute belief sich auf etwa 390.000 $; ihr wirtschaftliches Eigentum bleibt bei 50.001 Aktien, was auf keine Nettover盲nderung der Beteiligungen hinweist.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
 Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Feng Lisa
(Last) (First) (Middle)
C/O ACM RESEARCH, INC.
42307 OSGOOD ROAD, SUITE I
(Street)
FREMONT CA 94539
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
ACM Research, Inc. [ ACMR ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
See remarks
3. Date of Earliest Transaction (Month/Day/Year)
06/24/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Class A Common Stock 06/24/2025 M(1) 15,000 A $5.6 65,001 D
Class A Common Stock 06/24/2025 S(2) 15,000 D $26 50,001 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option $5.6 06/24/2025 M(1) 15,000 (3) 04/22/2029 Class A Common Stock 15,000 $0 45,000 D
Explanation of Responses:
1. On June 24, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.
2. The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 12, 2025.
3. The option is fully vested and exercisable.
Remarks:
Chief Financial Officer of ACM Research (Shanghai), Inc., a subsidiary of the Issuer
s/ Mark McKechnie, Attorney-in-Fact for Lisa Feng 06/26/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source:

FAQ

Why did ACMR's Lisa Feng file a Form 4 on 06/26/2025?

She reported exercising 15,000 stock options and selling the same number of ACMR shares on 06/24/2025.

How many ACMR shares did Lisa Feng sell and at what price?

She sold 15,000 Class A shares at $26.00 each, totaling approximately $390,000.

Did the transaction change Lisa Feng's ownership in ACMR?

No. After the exercise and sale, she still holds 50,001 shares鈥攗nchanged from before the transactions.

Was Lisa Feng's sale conducted under a trading plan?

Yes. The sale was executed under a pre-arranged Rule 10b5-1 plan adopted on March 12, 2025.
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Acm Research

NASDAQ:ACMR

ACMR Rankings

#2899 Ranked by Market Cap
N/A Ranked by Dividends

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[Form 4] ACM Research, Inc. Insider Trading Activity
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[144] ACM Research, Inc. SEC Filing
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[Form 4] ACM Research, Inc. Insider Trading Activity

ACMR Stock Data

1.60B
49.89M
15.04%
69.46%
5.06%
Semiconductor Equipment & Materials
Special Industry Machinery, Nec
United States
FREMONT