InsiderFlow

ACM Research, Inc.

$46.08+0.81 (+1.78%)

Prev Close

$45.27

Open

$45.60

High

$47.20

Low

$45.34

Volume

605.0K

Market Cap

$3.02B

P/E

33.63

Div Yield

Over the past 12 months, insider activity at ACM Research, Inc. (ACMR) has been exclusively selling, with 0 insider purchases totaling $0.00 and 21 insider sales totaling $32.56M. The most recent insider transaction was by Liu Tracy (director), who sold $2.85M worth of shares on Mar 12, 2026. ACM Research, Inc. operates in the Technology sector, within the Semiconductors industry, with a market cap of $3.02B.

Buys (12M)

0

$0.00

Sells (12M)

21

$32.56M

Net Activity

Net Seller

$32.56M

Active Insiders

10

last 12 mo

ACMR Price Chart

ACMR Insider Trading Activity

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 12, 2026Liu TracydirectorSell60,000$47.51$2.85M123,556
Mar 11, 2026Dun HaipingdirectorSell5,000$43.47$217.4K900
Mar 9, 2026Feng Lisaofficer: See remarksSell30,000$48.04$1.44M56,951
Mar 9, 2026Pappis Charles CdirectorSell5,000$50.09$250.4K0
Dec 4, 2025McKechnie MarkSee RemarksSell31,250$34.93$1.09M0
Dec 3, 2025Wang David HSee RemarksSell130,000$33.55$4.36M0
Dec 2, 2025Chen FupingSee remarksSell120,000$33.18$3.98M0
Nov 12, 2025Feng LisaSee remarksSell30,000$33.27$998.0K0
Sep 18, 2025Cheav SothearaSee remarksSell10,000$35.00$350.0K0
Sep 18, 2025Wang JianSee remarksSell30,000$35.00$1.05M0
Sep 17, 2025Liu TracyDirectorSell15,000$33.00$495.0K0
Sep 3, 2025Wang David HSee RemarksSell130,000$26.61$3.46M0
Aug 22, 2025Cheav SothearaSee remarksSell11,152$30.00$334.6K0
Aug 22, 2025Wang JianSee remarksSell60,000$31.00$1.86M0
Jul 15, 2025Liu TracyDirectorSell15,000$30.00$450.0K0
Jul 7, 2025Feng LisaSee remarksSell15,000$28.00$420.0K0
Jun 24, 2025Feng LisaSee remarksSell15,000$26.00$390.0K0
May 21, 2025Wang David HSee RemarksSell130,000$23.15$3.01M0
May 14, 2025McKechnie MarkSee RemarksSell15,000$25.22$378.3K0
Mar 17, 2025Hu ChenmingDirectorSell163,308$30.00$4.90M0
Mar 14, 2025Dun HaipingDirectorSell9,518$29.00$276.0K0
Mar 12, 2025McKechnie MarkSee RemarksSell15,000$27.42$411.3K0
Mar 11, 2025Wang David HSee RemarksSell131,250$27.02$3.55M0
Mar 10, 2025Dun HaipingDirectorSell15,001$26.54$398.1K0
Mar 3, 2025Dun HaipingDirectorSell482$25.94$12.5K0
Mar 3, 2025Wang David HSee RemarksSell4,048$25.94$105.0K0
Feb 6, 2025Cheav SothearaSee remarksSell22,598$23.00$519.8K0
Feb 6, 2025McKechnie MarkSee RemarksSell15,000$22.00$330.0K0
Nov 29, 2024Dun HaipingDirectorSell19,058$17.43$332.2K0
Nov 29, 2024Wang David HSee RemarksSell56,250$17.44$981.0K0
Nov 26, 2024Wang David HSee RemarksSell56,250$17.89$1.01M0
Nov 22, 2024Dun HaipingDirectorSell15,000$19.12$286.8K0
Nov 22, 2024Wang David HSee RemarksSell56,250$19.08$1.07M0
Nov 14, 2024Dun HaipingDirectorSell942$18.59$17.5K0
Nov 14, 2024Wang David HSee RemarksSell7,262$18.59$135.0K0
Oct 4, 2024McKechnie MarkSee RemarksSell16,516$22.00$363.4K0
Oct 4, 2024Xing XiaoDirectorSell1,065,396$22.07$23.52M0
Oct 1, 2024Xing XiaoDirectorSell34,604$20.05$693.9K0
Aug 29, 2024Dun HaipingDirectorSell19,097$18.08$345.3K0
Aug 22, 2024Dun HaipingDirectorSell15,000$19.85$297.8K0
Aug 14, 2024Dun HaipingDirectorSell903$19.38$17.5K0
Jun 10, 2024Wang JianSee remarksSell60,000$22.54$1.35M0
Jun 6, 2024McKechnie MarkSee RemarksSell20,000$22.92$458.4K0
Jun 6, 2024Wang JianSee remarksSell60,000$22.50$1.35M0
May 29, 2024Dun HaipingDirectorSell19,239$22.63$435.4K0
May 29, 2024Wang David HSee RemarksSell86,090$22.62$1.95M0
May 22, 2024Dun HaipingDirectorSell15,000$22.88$343.2K0
May 22, 2024Wang David HSee RemarksSell90,000$22.81$2.05M0
May 14, 2024Dun HaipingDirectorSell761$23.02$17.5K0
May 14, 2024Wang David HSee RemarksSell3,910$23.02$90.0K0
Mar 14, 2024Dun HaipingDirectorSell19,434$27.70$538.4K0
Mar 14, 2024Wang David HSee RemarksSell87,089$27.62$2.41M0
Mar 13, 2024Cheav SothearaSee remarksSell10,000$28.49$284.9K0
Mar 8, 2024Dun HaipingDirectorSell15,000$30.36$455.4K0
Mar 8, 2024Wang David HSee RemarksSell90,000$30.36$2.73M0
Mar 1, 2024Dun HaipingDirectorSell566$30.92$17.5K0
Mar 1, 2024Wang David HSee RemarksSell2,911$30.92$90.0K0
Feb 28, 2024Feng LisaSee remarksSell7,500$25.20$189.0K0
Feb 28, 2024Liu TracyDirectorSell12,500$25.20$315.0K0
Jan 12, 2024McKechnie MarkSee RemarksSell10,000$22.00$220.0K0
Dec 26, 2023Feng LisaSee remarksSell7,500$20.00$150.0K0
Dec 26, 2023Liu TracyDirectorSell10,000$20.00$200.0K0
Nov 29, 2023Dun HaipingDirectorSell18,984$17.25$327.5K0
Nov 29, 2023Wang David HSee RemarksSell84,776$17.14$1.45M0
Nov 22, 2023Dun HaipingDirectorSell15,000$17.66$264.9K0
Nov 22, 2023Wang David HSee RemarksSell90,000$17.68$1.59M0
Nov 20, 2023Liu TracyDirectorSell15,000$17.91$268.6K0
Nov 14, 2023Dun HaipingDirectorSell1,016$17.23$17.5K0
Nov 14, 2023Wang David HSee RemarksSell5,224$17.23$90.0K0
Nov 13, 2023Cheav SothearaSee remarksSell26,000$16.79$436.5K0
Oct 11, 2023McKechnie MarkSee RemarksSell11,250$20.00$225.0K0
Sep 12, 2023Wang David HSee RemarksSell175,116$17.87$3.13M0
Sep 4, 2023Wang David HSee RemarksSell4,884$18.43$90.0K0
Sep 1, 2023McKechnie MarkSee RemarksSell30,000$18.00$540.0K0
Aug 23, 2023Chen FupingSee remarksSell105,000$15.00$1.57M0
Aug 22, 2023Dun HaipingDirectorSell32,098$13.85$444.6K0
Jul 3, 2023Feng LisaSee remarksSell22,500$15.00$337.5K0
Jun 6, 2023Cheav SothearaSee remarksSell39,000$10.00$390.0K0
Jun 1, 2023Dun HaipingDirectorSell37,500$10.00$375.0K0
May 22, 2023Dun HaipingDirectorSell1,928$9.73$18.8K0
Mar 16, 2023Dun HaipingDirectorSell37,500$12.06$452.3K0
Mar 9, 2023Dun HaipingDirectorSell1,504$12.47$18.8K0
Mar 9, 2023Feng LisaSee remarksSell22,500$12.37$278.4K0
Nov 30, 2022Dun HaipingDirectorSell35,327$8.43$297.8K0
Nov 22, 2022Dun HaipingDirectorSell2,173$8.63$18.8K0
Nov 14, 2022Dun HaipingDirectorSell1,970$9.52$18.8K0
Aug 22, 2022Dun HaipingDirectorSell36,537$16.10$588.2K0
Aug 18, 2022Cheav SothearaSee remarksSell10,000$17.50$175.0K0
Aug 16, 2022Cheav SothearaSee remarksSell20,000$18.21$364.2K0
Aug 15, 2022Dun HaipingDirectorSell37,482$19.29$722.9K0
Aug 8, 2022Dun HaipingDirectorSell981$19.13$18.8K0
May 27, 2022Dun HaipingDirectorSell36,150$15.00$542.3K0
May 18, 2022Dun HaipingDirectorSell1,350$13.89$18.8K0
Mar 9, 2022Dun HaipingDirectorSell12,269$82.08$1.01M0
Mar 9, 2022McKechnie MarkSee RemarksSell5,000$64.20$321.0K0
Mar 2, 2022Dun HaipingDirectorSell231$81.46$18.8K0
Nov 18, 2021McKechnie MarkSee RemarksSell5,000$94.05$470.3K0
Aug 23, 2021Xiang YinanDirectorSell279,765$87.52$24.48M0
Aug 19, 2021McKechnie MarkSee remarksSell5,000$82.08$410.4K0
Aug 18, 2021Xiang YinanDirectorSell26,612$85.12$2.27M0
Aug 11, 2021Xiang YinanDirectorSell53,623$85.75$4.60M0
Apr 8, 2021Cheav SothearaSee remarksSell18,111$87.20$1.58M0
Apr 5, 2021Cheav SothearaSee remarksSell223$90.08$20.1K0
Mar 18, 2021Wang David HSee remarksSell99,228$91.24$9.05M0
Mar 15, 2021Cheav SothearaSee remarksSell20,000$92.68$1.85M0
Mar 12, 2021McKechnie MarkSee remarksSell10,028$87.89$881.4K0
Mar 12, 2021Wang David HSee remarksSell773$97.05$75.0K0

ACMR Insider Buying Activity

The following table shows recent insider purchases of ACM Research, Inc. (ACMR) stock reported via SEC Form 4 filings.

No insider buying activity found for ACMR in the last 12 months.

ACMR Insider Selling Activity

The following table shows recent insider sales of ACM Research, Inc. (ACMR) stock reported via SEC Form 4 filings.

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 12, 2026Liu TracydirectorSell60,000$47.51$2.85M123,556
Mar 11, 2026Dun HaipingdirectorSell5,000$43.47$217.4K900
Mar 9, 2026Feng Lisaofficer: See remarksSell30,000$48.04$1.44M56,951
Mar 9, 2026Pappis Charles CdirectorSell5,000$50.09$250.4K0
Dec 4, 2025McKechnie MarkSee RemarksSell31,250$34.93$1.09M0
Dec 3, 2025Wang David HSee RemarksSell130,000$33.55$4.36M0
Dec 2, 2025Chen FupingSee remarksSell120,000$33.18$3.98M0
Nov 12, 2025Feng LisaSee remarksSell30,000$33.27$998.0K0
Sep 18, 2025Cheav SothearaSee remarksSell10,000$35.00$350.0K0
Sep 18, 2025Wang JianSee remarksSell30,000$35.00$1.05M0
Sep 17, 2025Liu TracyDirectorSell15,000$33.00$495.0K0
Sep 3, 2025Wang David HSee RemarksSell130,000$26.61$3.46M0
Aug 22, 2025Cheav SothearaSee remarksSell11,152$30.00$334.6K0
Aug 22, 2025Wang JianSee remarksSell60,000$31.00$1.86M0
Jul 15, 2025Liu TracyDirectorSell15,000$30.00$450.0K0
Jul 7, 2025Feng LisaSee remarksSell15,000$28.00$420.0K0
Jun 24, 2025Feng LisaSee remarksSell15,000$26.00$390.0K0
May 21, 2025Wang David HSee RemarksSell130,000$23.15$3.01M0
May 14, 2025McKechnie MarkSee RemarksSell15,000$25.22$378.3K0
Mar 17, 2025Hu ChenmingDirectorSell163,308$30.00$4.90M0
Mar 14, 2025Dun HaipingDirectorSell9,518$29.00$276.0K0
Mar 12, 2025McKechnie MarkSee RemarksSell15,000$27.42$411.3K0
Mar 11, 2025Wang David HSee RemarksSell131,250$27.02$3.55M0
Mar 10, 2025Dun HaipingDirectorSell15,001$26.54$398.1K0
Mar 3, 2025Dun HaipingDirectorSell482$25.94$12.5K0
Mar 3, 2025Wang David HSee RemarksSell4,048$25.94$105.0K0
Feb 6, 2025Cheav SothearaSee remarksSell22,598$23.00$519.8K0
Feb 6, 2025McKechnie MarkSee RemarksSell15,000$22.00$330.0K0
Nov 29, 2024Dun HaipingDirectorSell19,058$17.43$332.2K0
Nov 29, 2024Wang David HSee RemarksSell56,250$17.44$981.0K0
Nov 26, 2024Wang David HSee RemarksSell56,250$17.89$1.01M0
Nov 22, 2024Dun HaipingDirectorSell15,000$19.12$286.8K0
Nov 22, 2024Wang David HSee RemarksSell56,250$19.08$1.07M0
Nov 14, 2024Dun HaipingDirectorSell942$18.59$17.5K0
Nov 14, 2024Wang David HSee RemarksSell7,262$18.59$135.0K0
Oct 4, 2024McKechnie MarkSee RemarksSell16,516$22.00$363.4K0
Oct 4, 2024Xing XiaoDirectorSell1,065,396$22.07$23.52M0
Oct 1, 2024Xing XiaoDirectorSell34,604$20.05$693.9K0
Aug 29, 2024Dun HaipingDirectorSell19,097$18.08$345.3K0
Aug 22, 2024Dun HaipingDirectorSell15,000$19.85$297.8K0
Aug 14, 2024Dun HaipingDirectorSell903$19.38$17.5K0
Jun 10, 2024Wang JianSee remarksSell60,000$22.54$1.35M0
Jun 6, 2024McKechnie MarkSee RemarksSell20,000$22.92$458.4K0
Jun 6, 2024Wang JianSee remarksSell60,000$22.50$1.35M0
May 29, 2024Dun HaipingDirectorSell19,239$22.63$435.4K0
May 29, 2024Wang David HSee RemarksSell86,090$22.62$1.95M0
May 22, 2024Dun HaipingDirectorSell15,000$22.88$343.2K0
May 22, 2024Wang David HSee RemarksSell90,000$22.81$2.05M0
May 14, 2024Dun HaipingDirectorSell761$23.02$17.5K0
May 14, 2024Wang David HSee RemarksSell3,910$23.02$90.0K0
Mar 14, 2024Dun HaipingDirectorSell19,434$27.70$538.4K0
Mar 14, 2024Wang David HSee RemarksSell87,089$27.62$2.41M0
Mar 13, 2024Cheav SothearaSee remarksSell10,000$28.49$284.9K0
Mar 8, 2024Dun HaipingDirectorSell15,000$30.36$455.4K0
Mar 8, 2024Wang David HSee RemarksSell90,000$30.36$2.73M0
Mar 1, 2024Dun HaipingDirectorSell566$30.92$17.5K0
Mar 1, 2024Wang David HSee RemarksSell2,911$30.92$90.0K0
Feb 28, 2024Feng LisaSee remarksSell7,500$25.20$189.0K0
Feb 28, 2024Liu TracyDirectorSell12,500$25.20$315.0K0
Jan 12, 2024McKechnie MarkSee RemarksSell10,000$22.00$220.0K0
Dec 26, 2023Feng LisaSee remarksSell7,500$20.00$150.0K0
Dec 26, 2023Liu TracyDirectorSell10,000$20.00$200.0K0
Nov 29, 2023Dun HaipingDirectorSell18,984$17.25$327.5K0
Nov 29, 2023Wang David HSee RemarksSell84,776$17.14$1.45M0
Nov 22, 2023Dun HaipingDirectorSell15,000$17.66$264.9K0
Nov 22, 2023Wang David HSee RemarksSell90,000$17.68$1.59M0
Nov 20, 2023Liu TracyDirectorSell15,000$17.91$268.6K0
Nov 14, 2023Dun HaipingDirectorSell1,016$17.23$17.5K0
Nov 14, 2023Wang David HSee RemarksSell5,224$17.23$90.0K0
Nov 13, 2023Cheav SothearaSee remarksSell26,000$16.79$436.5K0
Oct 11, 2023McKechnie MarkSee RemarksSell11,250$20.00$225.0K0
Sep 12, 2023Wang David HSee RemarksSell175,116$17.87$3.13M0
Sep 4, 2023Wang David HSee RemarksSell4,884$18.43$90.0K0
Sep 1, 2023McKechnie MarkSee RemarksSell30,000$18.00$540.0K0
Aug 23, 2023Chen FupingSee remarksSell105,000$15.00$1.57M0
Aug 22, 2023Dun HaipingDirectorSell32,098$13.85$444.6K0
Jul 3, 2023Feng LisaSee remarksSell22,500$15.00$337.5K0
Jun 6, 2023Cheav SothearaSee remarksSell39,000$10.00$390.0K0
Jun 1, 2023Dun HaipingDirectorSell37,500$10.00$375.0K0
May 22, 2023Dun HaipingDirectorSell1,928$9.73$18.8K0
Mar 16, 2023Dun HaipingDirectorSell37,500$12.06$452.3K0
Mar 9, 2023Dun HaipingDirectorSell1,504$12.47$18.8K0
Mar 9, 2023Feng LisaSee remarksSell22,500$12.37$278.4K0
Nov 30, 2022Dun HaipingDirectorSell35,327$8.43$297.8K0
Nov 22, 2022Dun HaipingDirectorSell2,173$8.63$18.8K0
Nov 14, 2022Dun HaipingDirectorSell1,970$9.52$18.8K0
Aug 22, 2022Dun HaipingDirectorSell36,537$16.10$588.2K0
Aug 18, 2022Cheav SothearaSee remarksSell10,000$17.50$175.0K0
Aug 16, 2022Cheav SothearaSee remarksSell20,000$18.21$364.2K0
Aug 15, 2022Dun HaipingDirectorSell37,482$19.29$722.9K0
Aug 8, 2022Dun HaipingDirectorSell981$19.13$18.8K0
May 27, 2022Dun HaipingDirectorSell36,150$15.00$542.3K0
May 18, 2022Dun HaipingDirectorSell1,350$13.89$18.8K0
Mar 9, 2022Dun HaipingDirectorSell12,269$82.08$1.01M0
Mar 9, 2022McKechnie MarkSee RemarksSell5,000$64.20$321.0K0
Mar 2, 2022Dun HaipingDirectorSell231$81.46$18.8K0
Nov 18, 2021McKechnie MarkSee RemarksSell5,000$94.05$470.3K0
Aug 23, 2021Xiang YinanDirectorSell279,765$87.52$24.48M0
Aug 19, 2021McKechnie MarkSee remarksSell5,000$82.08$410.4K0
Aug 18, 2021Xiang YinanDirectorSell26,612$85.12$2.27M0
Aug 11, 2021Xiang YinanDirectorSell53,623$85.75$4.60M0
Apr 8, 2021Cheav SothearaSee remarksSell18,111$87.20$1.58M0
Apr 5, 2021Cheav SothearaSee remarksSell223$90.08$20.1K0
Mar 18, 2021Wang David HSee remarksSell99,228$91.24$9.05M0
Mar 15, 2021Cheav SothearaSee remarksSell20,000$92.68$1.85M0
Mar 12, 2021McKechnie MarkSee remarksSell10,028$87.89$881.4K0
Mar 12, 2021Wang David HSee remarksSell773$97.05$75.0K0

ACMR Insiders

Liu Tracy

director

Sold $2.85M
4 tradesLast: Mar 11, 2026
Dun Haiping

director

Sold $217.4K
2 tradesLast: Mar 9, 2026
Feng Lisa

officer: See remarks

Sold $1.44M
4 tradesLast: Mar 6, 2026
Pappis Charles C

director

Sold $250.4K
1 tradesLast: Mar 5, 2026
McKechnie Mark

See Remarks

Sold $4.81M
27 tradesLast: Dec 8, 2025
Wang David H

See Remarks

Sold $33.35M
39 tradesLast: Dec 4, 2025
Chen Fuping

See remarks

Sold $5.56M
4 tradesLast: Dec 3, 2025
Feng Lisa

See remarks

Sold $2.76M
11 tradesLast: Nov 13, 2025
Cheav Sotheara

See remarks

Sold $6.31M
17 tradesLast: Sep 18, 2025
Wang Jian

See remarks

Sold $5.61M
8 tradesLast: Sep 18, 2025
Liu Tracy

Director

Sold $1.73M
5 tradesLast: Sep 17, 2025
Hu Chenming

Director

Sold $4.90M
1 tradesLast: Mar 17, 2025
Dun Haiping

Director

Sold $8.96M
38 tradesLast: Mar 14, 2025
Xing Xiao

Director

Sold $24.21M
8 tradesLast: Oct 8, 2024
Xiang Yinan

Director

Sold $31.35M
12 tradesLast: Aug 24, 2021
McKechnie Mark

See remarks

Sold $1.29M
4 tradesLast: Aug 19, 2021
Wang David H

See remarks

Sold $9.13M
3 tradesLast: Mar 19, 2021