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WAVEMAN · COMPANY
ACMR · Acm Research, Inc.
> Ask across nine datasets ⌘K
LIVE
TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475
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ACMR

ACM Research, Inc.
INDUSTRIALS · SPECIAL INDUSTRY MACHINERY, NEC · CIK 0001680062
FORM 144 · 2☆ WATCH
INSIDER NET · 180D
-$28.4M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
0
13F, latest reported quarter
REVENUE GROWTH
+15.2%
XBRL, annual
NET MARGIN
10.4%
CONVERSIONS · 180D
16
codes C/M, not in net · $3.3M priced
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$28.4M over 180 days
-$4.7M over 90 days · -$14.0M of it by a 10%+ holder
below 85% of Industrials
CONGRESS
no member of Congress has reported trading it
FUNDS
fewer than five institutions report holding it
REVENUE
+15.2% year over year
more than 70% of Industrials
MARGIN
10.4% net margin
more than 77% of Industrials
BUYBACKS
$7.0M repurchased, FY to 2025-06-30
below 76% of Industrials
SHORT
25.4% of shares outstanding short · 3.4 days to cover · settled 2026-07-31
the highest in Industrials
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$28.4M across 6 people in 180 days.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN +169.9%
+169.9%12M
-3%+118%+239%+360%2025-092025-102025-122026-032026-052026-072026-09 2025-12-02 · Chen Fuping sold $3.3M2026-06-03 · Wang David H sold $2.9M2026-03-11 · Wang David H sold $2.7M2026-08-20 · McKechnie Mark sold $2.4M2025-12-03 · Wang David H sold $2.3M2026-03-12 · McKechnie Mark sold $2.2M2026-03-12 · Wang David H sold $1.8M2025-09-03 · Wang David H sold $1.8M2025-09-04 · Wang David H sold $1.6M2026-03-10 · Liu Tracy sold $1.5M2026-06-04 · Wang David H sold $1.5M2025-12-04 · Wang David H sold $1.4M2026-03-12 · McKechnie Mark sold $1.3M2025-09-18 · Wang Jian sold $1.1M2026-08-20 · McKechnie Mark sold $1.0M2026-06-04 · Wang David H sold $946.1K2026-06-03 · Wang David H sold $901.0K2026-08-20 · McKechnie Mark sold $873.1K2025-12-08 · McKechnie Mark sold $797.6K2026-06-04 · Cheav Sotheara sold $784.0K2026-06-04 · Wang David H sold $747.7K2026-03-06 · Feng Lisa sold $681.8K2025-12-04 · Wang David H sold $664.3K2025-12-03 · Chen Fuping sold $651.1K2026-03-10 · Liu Tracy sold $616.1K2026-06-03 · Wang David H sold $560.1K2026-03-11 · Liu Tracy sold $555.7K2026-06-03 · Wang David H sold $539.8K2026-03-12 · McKechnie Mark sold $534.6K2025-11-13 · Feng Lisa sold $506.6K2025-09-17 · Liu Tracy sold $495.0K2025-11-12 · Feng Lisa sold $491.4K2026-03-12 · Wang David H sold $474.4K2026-03-05 · Feng Lisa sold $401.0K2026-03-12 · McKechnie Mark sold $388.2K2026-06-03 · Wang David H sold $376.6K2025-09-18 · Cheav Sotheara sold $350.0K2026-03-05 · Feng Lisa sold $349.2K2026-08-18 · Dun Haiping sold $276.5K2026-04-17 · Pappis Charles C sold $260.0K2025-12-04 · McKechnie Mark sold $259.8K2026-03-05 · Pappis Charles C sold $250.5K2026-08-20 · MARK A MCKECHNIE filed to sell $4.3M2026-08-18 · HAIPING DUN filed to sell $405.7K
INSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $28.4M sold by insiders over 180 days, $4.7M in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
DELLANETTDGTSLAPANWAXONSTXKTOSCRCTOFLXJOBYFTNT
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, ACM Research, Inc. insiders sold a net $28.4M of stock across 206 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER
FILED
SHARES
VALUE
McKechnie Mark
See Remarks
SELL
2026-08-20
13,625.0
$1.0M
McKechnie Mark
See Remarks
SELL
2026-08-20
30,365.0
$2.4M
McKechnie Mark
See Remarks
SELL
2026-08-20
11,209.0
$873.1K
Dun Haiping
Director
SELL
2026-08-18
1,200.0
$96.3K
Dun Haiping
Director
SELL
2026-08-18
3,400.0
$276.5K
206 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 201 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported

no 13F holders found for this ticker

SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
MARK A MCKECHNIE
FILED 2026-08-20
$4.3M
HAIPING DUN
FILED 2026-08-18
$405.7K
Executive pay vs shareholder return · Mr. Wang
DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself
FY
CEO TOTAL
ACTUALLY PAID
OTHER NEOs AVG
TSR
PEER TSR
2023
$23.5M
$39.6M
$6.0M
+218%
+54%
2022
$405.0K
-$20.9M
$1.1M
+25%
+22%
2021
$398.9K
$10.8M
$240.8K
+362%
+51%
2020
$5.4M
$45.1M
$501.3K
+340%
+20%
TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-122022-12
REVENUE$901.3M$782.1M$557.7M$388.8M
GROSS PROFIT$400.1M$391.6M$276.2M$183.6M
OPERATING INCOME$109.4M$151.0M$95.8M$59.0M
NET INCOME$94.1M$103.6M$77.3M$39.3M
EPS (DILUTED)1.371.531.160.59
OPERATING CASH FLOW$-10.3M$152.4M$-75.3M$-62.2M
CASH$757.4M$407.4M$182.1M$248.0M
LONG-TERM DEBT$178.9M$105.5M$54.0M$18.7M
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-05 ALL SYSTEMS LIVE FOR MACHINES →