美国 · SEC FORM 4
LAM RESEARCH CORP
LRCX · Nasdaq · CIK 0000707549 · Technology · Semiconductor Equipment & Materials
内部人信号
0 qualifying P purchase groups
当前 180 天评分窗口
62 同一窗口内观察到的 Form 4 交易行
55 sales · 7 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。
Showing the six most active owners; 1 additional owner(s) remain in Form 4 申报证据.
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. 最近一次合资格买入: 2025-04-08 · Harter Ava.
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
该股票尚未获取市场背景。每日任务会轮转处理美国股票池。
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
- 25,810,795
- 上期报告
- 26,081,081
- 日均成交量
- 9,844,598
- 回补天数
- 2.6
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
Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.
Form 4 申报证据
144 transaction lines in the latest 365-day window; 844 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 | Mayer Bethany | 卖出 (S) | Common Stock | 9,557 | USD 314.74 | USD 3,007,970 | SEC 申报 ↗ |
| 2026-09-09 | ARCHER TIMOTHY | 卖出 (S) | Common Stock | 30,000 | USD 319.26 | USD 9,577,800 | SEC 申报 ↗ |
| 2026-09-09 | ARCHER TIMOTHY | 期权行权/转换 (M) | Common Stock | 30,000 | USD 30.03 | USD 900,900 | 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 | Mayer Bethany | 卖出 (S) | Common Stock | 9,557 | USD 314.74 | USD 3,007,970 | SEC 申报 ↗ |
| 2026-09-09 | ARCHER TIMOTHY | 卖出 (S) | Common Stock | 30,000 | USD 319.26 | USD 9,577,800 | SEC 申报 ↗ |
| 2026-09-09 | ARCHER TIMOTHY | 期权行权/转换 (M) | Common Stock | 30,000 | USD 30.03 | USD 900,900 | SEC 申报 ↗ |
| 2026-09-02 | Varadarajan Seshasayee | 卖出 (S) | Common Stock | 59,750 | USD 291.32 | USD 17,406,370 | SEC 申报 ↗ |
| 2026-09-02 | Varadarajan Seshasayee | 期权行权/转换 (M) | Common Stock | 39,750 | USD 39.24 | USD 1,559,952 | SEC 申报 ↗ |
| 2026-08-31 | Harter Ava | 卖出 (S) | Common Stock | 5,000 | USD 302.46 | USD 1,512,300 | SEC 申报 ↗ |
| 2026-08-06 | ARCHER TIMOTHY | 卖出 (S) | Common Stock | 30,000 | USD 300.00 | USD 9,000,000 | SEC 申报 ↗ |
| 2026-08-06 | ARCHER TIMOTHY | 期权行权/转换 (M) | Common Stock | 30,000 | USD 30.03 | USD 900,900 | SEC 申报 ↗ |
| 2026-08-05 | Harter Ava | 代扣税 (F) | Common Stock | 5,790 | USD 307.42 | USD 1,779,962 | SEC 申报 ↗ |
| 2026-07-13 | TALWALKAR ABHIJIT Y | 卖出 (S) | Common Stock | 18,282 | USD 335.00 | USD 6,124,470 | SEC 申报 ↗ |
| 2026-07-02 | ARCHER TIMOTHY | 卖出 (S) | Common Stock | 30,000 | USD 390.01 | USD 11,700,300 | SEC 申报 ↗ |
| 2026-07-02 | ARCHER TIMOTHY | 期权行权/转换 (M) | Common Stock | 30,000 | USD 30.03 | USD 900,900 | SEC 申报 ↗ |
| 2026-06-12 | BRANDT ERIC | 卖出 (S) | Common Stock | 54,500 | USD 367.18 | USD 20,011,346 | SEC 申报 ↗ |
| 2026-06-11 | BRANDT ERIC | 卖出 (S) | Common Stock | 54,500 | USD 350.80 | USD 19,118,360 | SEC 申报 ↗ |
| 2026-06-01 | Fernandes Neil J | 卖出 (S) | Common Stock | 7,659 | USD 309.60 | USD 2,371,226 | SEC 申报 ↗ |
| 2026-05-01 | Fernandes Neil J | 卖出 (S) | Common Stock | 18,170 | USD 255.14 | USD 4,635,894 | SEC 申报 ↗ |
| 2026-04-27 | Harter Ava | 卖出 (S) | Common Stock | 6,010 | USD 258.66 | USD 1,554,547 | SEC 申报 ↗ |
| 2026-04-27 | Harter Ava | 期权行权/转换 (M) | Common Stock | 6,010 | USD 77.04 | USD 463,010 | SEC 申报 ↗ |
| 2026-03-27 | Vahedi Vahid | 代扣税 (F) | Common Stock | 3,382 | USD 233.89 | USD 791,016 | SEC 申报 ↗ |
| 2026-03-27 | Harter Ava | 代扣税 (F) | Common Stock | 3,199 | USD 233.89 | USD 748,214 | SEC 申报 ↗ |
| 2026-03-10 | TALWALKAR ABHIJIT Y | 赠与 (G) | Common Stock | 4,571 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-03-04 | Harter Ava | 卖出 (S) | Common Stock | 1,500 | USD 222.66 | USD 333,990 | SEC 申报 ↗ |
| 2026-03-04 | Bettinger Douglas R | 卖出 (S) | Common Stock | 50,057 | USD 224.03 | USD 11,214,270 | SEC 申报 ↗ |
| 2026-03-04 | Bettinger Douglas R | 期权行权/转换 (M) | Common Stock | 77,750 | USD 65.80 | USD 5,115,856 | SEC 申报 ↗ |
| 2026-03-02 | Harter Ava | 卖出 (S) | Common Stock | 4,000 | USD 232.50 | USD 930,000 | SEC 申报 ↗ |
| 2026-03-02 | Bettinger Douglas R | 卖出 (S) | Common Stock | 40,329 | USD 230.22 | USD 9,284,542 | SEC 申报 ↗ |
| 2026-03-02 | Bettinger Douglas R | 期权行权/转换 (M) | Common Stock | 66,310 | USD 51.28 | USD 3,400,056 | SEC 申报 ↗ |
| 2026-02-27 | Varadarajan Seshasayee | 代扣税 (F) | Common Stock | 36,913 | USD 233.89 | USD 8,633,582 | SEC 申报 ↗ |
| 2026-02-27 | Varadarajan Seshasayee | 奖励/授予 (A) | Common Stock | 12,547 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-02-27 | Vahedi Vahid | 代扣税 (F) | Common Stock | 29,592 | USD 233.89 | USD 6,921,273 | 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 | LRCX |
| CIK | 0000707549 |
| 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 | 844 transaction lines from 2020-01-02 to 2026-09-09 2 P purchase lines · 273 S sale lines · 569 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.