美国 · SEC FORM 4
ACM Research, Inc.
ACMR · Nasdaq · CIK 0001680062 · Technology · Semiconductor Equipment & Materials
内部人信号
0 qualifying P purchase groups
当前 180 天评分窗口
47 同一窗口内观察到的 Form 4 交易行
37 sales · 10 期权、代扣税、授予、赠与或其他交易行
为什么没有活跃信号？
评分构成
活跃窗口内没有合资格买入，因此不计算分数。缺失的输入不会被当作零分或看空信号。
为什么没有分数？
- 没有合资格公开市场买入可提供聚集度、规模、角色、近期性或确信度输入。
- 卖出及其他 Form 4 活动继续作为背景显示，不会形成负分。
卖出和其他 Form 4 活动会单独显示，不会形成负面买入信号。没有买入不会被评分为看空。
内部人活动时间轴
申报人轨道展示最近 180 天。符号形状区分交易类型；卖出仅作为背景。
—
买方广度、集中度与聚集买入
合资格买入进入 180 天研究窗口后，这些模块才会启用。
信号历史
Scores are archived only when the company qualifies for a published US buy-signal snapshot.—
近期 Form 4 活动
P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.
市场背景
市场背景补充近期价格表现与风险信息，不影响内部人信号。
价格表现
- 1M
- +19.3%
- 3M
- -15.4%
- 6M
- +105.7%
- 12M
- —
波动率与流动性
- 波动率
- 86.9%
- Beta
- —
- 平均每日成交额
- —
估值
- 市值
- —
- P/E
- —
基本面
- 利润率
- 10.4%
- ROE
- 6.4%
- 细分行业
- Semiconductor Equipment & Materials
市场数据
价格数据截至：2026-10-04 · 价格来源：OpenBB/yfinance · 来自 SEC 申报文件：利润率, ROE · 财年截止日：2025-12-31 · Status: PASS
空头余额
空头余额是券商向 FINRA 申报的外部背景数据，不影响内部人信号。
- 空头股数
- 4,055,665
- 上期报告
- 4,136,685
- 日均成交量
- 1,285,418
- 回补天数
- 3.2
FINRA 结算日：2026-09-30 · 获取日期 2026-10-12 · FINRA 股票空头余额 ↗. 这是股数，每月两个结算日之后约一周公布；不是占已发行股份的比例。
历史股票买入
本地 Form 4 历史中没有合资格的代码 P 股票买入。
Form 4 申报证据
102 transaction lines in the latest 365-day window; 411 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-09-09 | Wang David H | 卖出 (S) | Class A Common Stock | 70,000 | USD 74.59 | USD 5,221,492 | SEC 申报 ↗ |
| 2026-09-09 | Wang David H | 期权行权／转换 (M) | Class A Common Stock | 70,000 | USD 1.00 | USD 70,000 | SEC 申报 ↗ |
| 2026-09-08 | Wang David H | 卖出 (S) | Class A Common Stock | 70,000 | USD 77.26 | USD 5,408,519 | SEC 申报 ↗ |
展开近期 Form 4 证据 (30 grouped rows)
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-09-09 | Wang David H | 卖出 (S) | Class A Common Stock | 70,000 | USD 74.59 | USD 5,221,492 | SEC 申报 ↗ |
| 2026-09-09 | Wang David H | 期权行权／转换 (M) | Class A Common Stock | 70,000 | USD 1.00 | USD 70,000 | SEC 申报 ↗ |
| 2026-09-08 | Wang David H | 卖出 (S) | Class A Common Stock | 70,000 | USD 77.26 | USD 5,408,519 | SEC 申报 ↗ |
| 2026-09-08 | Wang David H | 期权行权／转换 (M) | Class A Common Stock | 70,000 | USD 1.00 | USD 70,000 | SEC 申报 ↗ |
| 2026-08-20 | McKechnie Mark | 卖出 (S) | Class A Common Stock | 55,199 | USD 77.27 | USD 4,264,971 | SEC 申报 ↗ |
| 2026-08-20 | McKechnie Mark | 期权行权／转换 (M) | Class A Common Stock | 55,199 | USD 16.95 | USD 935,829 | SEC 申报 ↗ |
| 2026-08-18 | Dun Haiping | 卖出 (S) | Class A Common Stock | 5,000 | USD 81.13 | USD 405,670 | SEC 申报 ↗ |
| 2026-08-18 | Dun Haiping | 期权行权／转换 (M) | Class A Common Stock | 5,000 | USD 5.60 | USD 28,000 | SEC 申报 ↗ |
| 2026-06-05 | Cheav Sotheara | 卖出 (S) | Class A Common Stock | 5,399 | USD 83.18 | USD 449,085 | SEC 申报 ↗ |
| 2026-06-05 | Cheav Sotheara | 期权行权／转换 (M) | Class A Common Stock | 5,399 | USD 13.89 | USD 74,992 | SEC 申报 ↗ |
| 2026-06-04 | Wang David H | 卖出 (S) | Class A Common Stock | 40,002 | USD 85.80 | USD 3,432,194 | SEC 申报 ↗ |
| 2026-06-04 | Wang David H | 期权行权／转换 (M) | Class A Common Stock | 40,002 | USD 1.00 | USD 40,002 | SEC 申报 ↗ |
| 2026-06-04 | Cheav Sotheara | 卖出 (S) | Class A Common Stock | 13,351 | USD 85.15 | USD 1,136,838 | SEC 申报 ↗ |
| 2026-06-04 | Cheav Sotheara | 期权行权／转换 (M) | Class A Common Stock | 13,351 | USD 13.89 | USD 185,445 | SEC 申报 ↗ |
| 2026-06-03 | Wang David H | 卖出 (S) | Class A Common Stock | 60,000 | USD 90.05 | USD 5,403,194 | SEC 申报 ↗ |
| 2026-06-03 | Wang David H | 期权行权／转换 (M) | Class A Common Stock | 60,000 | USD 1.00 | USD 60,000 | SEC 申报 ↗ |
| 2026-05-19 | Dun Haiping | 卖出 (S) | Class A Common Stock | 5,000 | USD 66.22 | USD 331,111 | SEC 申报 ↗ |
| 2026-05-19 | Dun Haiping | 期权行权／转换 (M) | Class A Common Stock | 5,000 | USD 5.60 | USD 28,000 | SEC 申报 ↗ |
| 2026-04-17 | Pappis Charles C | 卖出 (S) | Class A Common Stock | 5,000 | USD 52.00 | USD 260,000 | SEC 申报 ↗ |
| 2026-04-17 | Pappis Charles C | 期权行权／转换 (M) | Class A Common Stock | 5,000 | USD 29.18 | USD 145,900 | SEC 申报 ↗ |
| 2026-03-12 | Wang David H | 卖出 (S) | Class A Common Stock | 50,000 | USD 45.58 | USD 2,278,923 | SEC 申报 ↗ |
| 2026-03-12 | Wang David H | 期权行权／转换 (M) | Class A Common Stock | 50,000 | USD 1.00 | USD 50,000 | SEC 申报 ↗ |
| 2026-03-12 | McKechnie Mark | 卖出 (S) | Class A Common Stock | 98,551 | USD 45.58 | USD 4,491,952 | SEC 申报 ↗ |
| 2026-03-12 | McKechnie Mark | 期权行权／转换 (M) | Class A Common Stock | 98,551 | USD 16.08 | USD 1,584,759 | SEC 申报 ↗ |
| 2026-03-11 | Wang David H | 卖出 (S) | Class A Common Stock | 60,000 | USD 47.92 | USD 2,875,482 | SEC 申报 ↗ |
| 2026-03-11 | Wang David H | 期权行权／转换 (M) | Class A Common Stock | 60,000 | USD 1.00 | USD 60,000 | SEC 申报 ↗ |
| 2026-03-11 | Liu Tracy | 卖出 (S) | Class A Common Stock | 15,000 | USD 47.91 | USD 718,636 | SEC 申报 ↗ |
| 2026-03-11 | Liu Tracy | 期权行权／转换 (M) | Class A Common Stock | 15,000 | USD 1.00 | USD 15,000 | SEC 申报 ↗ |
| 2026-03-10 | Liu Tracy | 卖出 (S) | Class A Common Stock | 45,000 | USD 47.38 | USD 2,132,146 | SEC 申报 ↗ |
| 2026-03-10 | Liu Tracy | 期权行权／转换 (M) | Class A Common Stock | 45,000 | USD 1.00 | USD 45,000 | SEC 申报 ↗ |
Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.
快照与身份
| 快照日期 | 2026-10-18 |
|---|---|
| 排名版本 | US-v1.2 |
| 数据质量 | PASS ELIGIBLE · — |
| 股票代码 | ACMR |
| CIK | 0001680062 |
| 行业 | Technology |
| 细分行业 | Semiconductor Equipment & Materials Yahoo Finance |
| SEC SIC | 3559 Special 行业 Machinery, NEC |
| 交易所 | Nasdaq |
数据覆盖
| 本地 Form 4 历史 | 411 transaction lines from 2020-03-18 to 2026-09-09 0 P purchase lines · 252 S sale lines · 159 other lines |
|---|---|
| SEC 公司申报 | 打开 SEC 申报 ↗ |
Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.