LIVE FROM THE DATABASETRANSACTIONS 362,114COMPANIES 5,761LATEST TRADE Oct 16UPDATED Oct 16, 09:12 PM
ACMRCIK 0001680062

ACM Research, Inc.

127 transactions by 8 insiders, from October 27, 2025 to August 20, 2026.

Transactions
1278 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$40.5Mopen market
Net
−$40.5Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
David H. WangOfficer3532/35—$18.4M
Mark McKechnieOfficer2424/24—$9.8M
Haiping DunDir1815/18—$954K
Lisa FengOfficer1414/14—$2.4M
Sotheara CheavOfficer1111/11—$1.6M
Tracy LiuDir108/10—$2.9M
Charles C. PappisDir86/8—$510K
Fuping ChenOfficer77/7—$4.0M

All transactions

127 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Charles C. PappisDirDERIVAug 12A728$0.00—?
Charles C. PappisDirDERIVAug 12A6,400$0.00—?
Tracy LiuDirDERIVAug 12A728$0.00—?
Tracy LiuDirDERIVAug 12A6,400$0.00—?
Haiping DunDirDERIVAug 12A728$0.00—?
Haiping DunDirDERIVAug 12A6,400$0.00—?
Mark McKechnieOfficerDERIVAug 20MPLAN25,000$0.00—?
Mark McKechnieOfficerDERIVAug 20MPLAN30,199$0.00—?
Mark McKechnieOfficerAug 20SPLAN11,209$77.89$873K
Mark McKechnieOfficerAug 20SPLAN30,365$77.45$2.4M
Mark McKechnieOfficerAug 20SPLAN13,625$76.34$1.0M
Mark McKechnieOfficerAug 20MPLAN25,000$13.89$347K
Mark McKechnieOfficerAug 20MPLAN30,199$19.49$589K
Haiping DunDirDERIVAug 18MPLAN5,000$0.00—?
Haiping DunDirAug 18SPLAN400$82.17$33K
Haiping DunDirAug 18SPLAN3,400$81.31$276K
Haiping DunDirAug 18SPLAN1,200$80.29$96K
Haiping DunDirAug 18MPLAN5,000$5.60$28K
David H. WangOfficerDERIVMay 13A6,208$0.00—?
Sotheara CheavOfficerDERIVJun 5MPLAN5,399$0.00—?
Sotheara CheavOfficerDERIVJun 4MPLAN13,351$0.00—?
Sotheara CheavOfficerJun 5SPLAN1,647$85.41$141K
Sotheara CheavOfficerJun 5SPLAN400$84.01$34K
Sotheara CheavOfficerJun 5SPLAN968$82.61$80K
Sotheara CheavOfficerJun 5SPLAN2,384$81.73$195K
Sotheara CheavOfficerJun 5MPLAN5,399$13.89$75K
Sotheara CheavOfficerJun 4SPLAN2,839$85.77$244K
Sotheara CheavOfficerJun 4SPLAN9,212$85.11$784K
Sotheara CheavOfficerJun 4SPLAN1,300$84.08$109K
Sotheara CheavOfficerJun 4MPLAN13,351$13.89$185K
David H. WangOfficerDERIVJun 4MPLAN40,002$0.00—?
David H. WangOfficerDERIVJun 3MPLAN60,000$0.00—?
David H. WangOfficerJun 4SPLAN826$87.91$73K
David H. WangOfficerJun 4SPLAN8,581$87.13$748K
David H. WangOfficerJun 4SPLAN10,992$86.07$946K
David H. WangOfficerJun 4SPLAN17,543$85.11$1.5M
David H. WangOfficerJun 4SPLAN2,060$83.86$173K
David H. WangOfficerJun 4MPLAN40,002$1.00$40K
David H. WangOfficerJun 3SPLAN1,187$93.04$110K
David H. WangOfficerJun 3SPLAN5,843$92.38$540K
David H. WangOfficerJun 3SPLAN9,925$90.78$901K
David H. WangOfficerJun 3SPLAN32,450$89.84$2.9M
David H. WangOfficerJun 3SPLAN6,295$88.98$560K
David H. WangOfficerJun 3SPLAN4,300$87.57$377K
David H. WangOfficerJun 3MPLAN60,000$1.00$60K
Haiping DunDirDERIVMay 19MPLAN5,000$0.00—?
Haiping DunDirMay 19SPLAN1,858$67.54$125K
Haiping DunDirMay 19SPLAN1,309$67.21$88K
Haiping DunDirMay 19SPLAN500$65.09$33K
Haiping DunDirMay 19SPLAN1,333$63.84$85K
Haiping DunDirMay 19MPLAN5,000$5.60$28K
Charles C. PappisDirDERIVApr 17MPLAN5,000$0.00—?
Charles C. PappisDirApr 17SPLAN5,000$52.00$260K
Charles C. PappisDirApr 17MPLAN5,000$29.18$146K
Mark McKechnieOfficerDERIVMar 12MPLAN38,551$0.00—?
Mark McKechnieOfficerDERIVMar 12MPLAN60,000$0.00—?
Mark McKechnieOfficerMar 12SPLAN564$46.57$26K
Mark McKechnieOfficerMar 12SPLAN29,348$45.74$1.3M
Mark McKechnieOfficerMar 12SPLAN8,639$44.94$388K
Mark McKechnieOfficerMar 12MPLAN38,551$19.49$751K
Mark McKechnieOfficerMar 12SPLAN982$46.55$46K
Mark McKechnieOfficerMar 12SPLAN47,108$45.74$2.2M
Mark McKechnieOfficerMar 12SPLAN11,910$44.89$535K
Mark McKechnieOfficerMar 12MPLAN60,000$13.89$833K
David H. WangOfficerDERIVMar 12MPLAN50,000$0.00—?
David H. WangOfficerDERIVMar 11MPLAN60,000$0.00—?
David H. WangOfficerMar 12SPLAN702$46.57$33K
David H. WangOfficerMar 12SPLAN38,737$45.74$1.8M
David H. WangOfficerMar 12SPLAN10,561$44.92$474K
David H. WangOfficerMar 12MPLAN50,000$1.00$50K
David H. WangOfficerMar 11SPLAN4,627$48.34$224K
David H. WangOfficerMar 11SPLAN55,373$47.89$2.7M
David H. WangOfficerMar 11MPLAN60,000$1.00$60K
Tracy LiuDirDERIVMar 11MPLAN15,000$0.00—?
Tracy LiuDirDERIVMar 10MPLAN45,000$0.00—?
Tracy LiuDirMar 11SPLAN3,377$48.25$163K
Tracy LiuDirMar 11SPLAN11,623$47.81$556K
Tracy LiuDirMar 11MPLAN15,000$1.00$15K
Tracy LiuDirMar 10SPLAN12,784$48.19$616K
Tracy LiuDirMar 10SPLAN32,216$47.06$1.5M
Tracy LiuDirMar 10MPLAN45,000$1.00$45K
Haiping DunDirDERIVMar 9MPLAN5,000$0.00—?
Haiping DunDirMar 9SPLAN900$43.94$40K
Haiping DunDirMar 9SPLAN4,100$43.37$178K
Haiping DunDirMar 9MPLAN5,000$5.60$28K
Charles C. PappisDirDERIVMar 5MPLAN5,000$0.00—?
Charles C. PappisDirMar 5SPLAN5,000$50.09$250K
Charles C. PappisDirMar 5MPLAN5,000$29.18$146K
Lisa FengOfficerDERIVMar 6MPLAN15,000$0.00—?
Lisa FengOfficerDERIVMar 5MPLAN15,000$0.00—?
Lisa FengOfficerMar 6SPLAN200$46.58$9K
Lisa FengOfficerMar 6SPLAN14,800$46.07$682K
Lisa FengOfficerMar 6MPLAN15,000$4.55$68K
Lisa FengOfficerMar 5SPLAN6,950$50.24$349K
Lisa FengOfficerMar 5SPLAN8,050$49.81$401K
Lisa FengOfficerMar 5MPLAN15,000$4.55$68K
David H. WangOfficerDERIVFeb 4A545,400$0.00—?
Mark McKechnieOfficerDERIVDec 8MPLAN22,500$0.00—?
Mark McKechnieOfficerDERIVDec 4MPLAN8,750$0.00—?
Mark McKechnieOfficerDec 8SPLAN22,500$35.45$798K
Mark McKechnieOfficerDec 8MPLAN22,500$25.45$573K
Mark McKechnieOfficerDec 4SPLAN996$34.26$34K
Mark McKechnieOfficerDec 4SPLAN7,754$33.50$260K
Mark McKechnieOfficerDec 4MPLAN8,750$4.55$40K
David H. WangOfficerDERIVDec 4MPLAN60,000$0.00—?
David H. WangOfficerDERIVDec 3MPLAN70,000$0.00—?
David H. WangOfficerDec 4SPLAN40,183$34.42$1.4M
David H. WangOfficerDec 4SPLAN19,817$33.52$664K
David H. WangOfficerDec 4MPLAN60,000$1.00$60K
David H. WangOfficerDec 3SPLAN1,200$33.56$40K
David H. WangOfficerDec 3SPLAN68,800$33.05$2.3M
David H. WangOfficerDec 3MPLAN70,000$1.00$70K
Fuping ChenOfficerDERIVDec 3MPLAN20,000$0.00—?
Fuping ChenOfficerDERIVDec 2MPLAN100,000$0.00—?
Fuping ChenOfficerDec 3SPLAN300$33.57$10K
Fuping ChenOfficerDec 3SPLAN19,700$33.05$651K
Fuping ChenOfficerDec 3MPLAN20,000$1.77$35K
Fuping ChenOfficerDec 2SPLAN100,000$33.20$3.3M
Fuping ChenOfficerDec 2MPLAN100,000$1.77$177K
Haiping DunDirNov 12G755,090$0.00—
Lisa FengOfficerDERIVNov 13MPLAN15,000$0.00—?
Lisa FengOfficerDERIVNov 12MPLAN15,000$0.00—?
Lisa FengOfficerNov 13SPLAN15,000$33.77$507K
Lisa FengOfficerNov 13MPLAN15,000$5.60$84K
Lisa FengOfficerNov 12SPLAN15,000$32.76$491K
Lisa FengOfficerNov 12MPLAN15,000$5.60$84K
David H. WangOfficerDERIVOct 27A545,400$0.00—?