美国 · SEC FORM 4
WESTERN DIGITAL CORP
WDC · Nasdaq · CIK 0000106040 · Technology · Computer Hardware
内部人信号
0 qualifying P purchase groups
当前 180 天评分窗口
227 同一窗口内观察到的 Form 4 交易行
128 sales · 99 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; 2 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.—
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
- 18,293,625
- 上期报告
- 17,280,387
- 日均成交量
- 7,454,522
- 回补天数
- 2.5
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
414 transaction lines in the latest 365-day window; 880 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-09-20 | Tan Irving | 期权行权／转换 (M) | Common Stock | 57 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-09-20 | Tan Irving | 代扣税 (F) | Common Stock | 1,091 | USD 441.36 | USD 481,541 | SEC 申报 ↗ |
| 2026-09-20 | Davis Brian Scott | 期权行权／转换 (M) | Common Stock | 8 | USD 0.00 | USD 0 | 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 |
|---|---|---|---|---|---|---|---|
| 2026-09-20 | Tan Irving | 期权行权／转换 (M) | Common Stock | 57 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-09-20 | Tan Irving | 代扣税 (F) | Common Stock | 1,091 | USD 441.36 | USD 481,541 | SEC 申报 ↗ |
| 2026-09-20 | Davis Brian Scott | 期权行权／转换 (M) | Common Stock | 8 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-09-20 | Davis Brian Scott | 代扣税 (F) | Common Stock | 963 | USD 441.36 | USD 425,043 | SEC 申报 ↗ |
| 2026-09-17 | Shihab Ahmed Mohammed | 期权行权／转换 (M) | Common Stock | 56 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-09-17 | Shihab Ahmed Mohammed | 代扣税 (F) | Common Stock | 5,150 | USD 423.87 | USD 2,182,930 | SEC 申报 ↗ |
| 2026-09-04 | Tregillis Cynthia L | 卖出 (S) | Common Stock | 432 | USD 451.20 | USD 194,918 | SEC 申报 ↗ |
| 2026-09-04 | Gubbi Vidyadhara K | 卖出 (S) | Common Stock | 1,795 | USD 459.87 | USD 825,467 | SEC 申报 ↗ |
| 2026-09-03 | Tregillis Cynthia L | 期权行权／转换 (M) | Common Stock | 7 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-09-03 | Tregillis Cynthia L | 代扣税 (F) | Common Stock | 700 | USD 441.57 | USD 309,099 | SEC 申报 ↗ |
| 2026-09-03 | Gubbi Vidyadhara K | 期权行权／转换 (M) | Common Stock | 14 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-09-03 | Gubbi Vidyadhara K | 代扣税 (F) | Common Stock | 1,764 | USD 441.57 | USD 778,929 | SEC 申报 ↗ |
| 2026-09-03 | Davis Brian Scott | 期权行权／转换 (M) | Common Stock | 7 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-09-03 | Davis Brian Scott | 代扣税 (F) | Common Stock | 882 | USD 441.57 | USD 389,465 | SEC 申报 ↗ |
| 2026-09-01 | Tan Irving | 赠与 (G) | Common Stock | 112,500 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-09-01 | STREETER STEPHANIE A | 卖出 (S) | Common Stock | 1,600 | USD 455.00 | USD 728,000 | SEC 申报 ↗ |
| 2026-08-31 | Tan Irving | J (J) | Common Stock | 112,500 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-31 | STREETER STEPHANIE A | 卖出 (S) | Common Stock | 4,000 | USD 447.82 | USD 1,791,280 | SEC 申报 ↗ |
| 2026-08-27 | Tregillis Cynthia L | 卖出 (S) | Common Stock | 1,007 | USD 478.36 | USD 481,709 | SEC 申报 ↗ |
| 2026-08-26 | Tregillis Cynthia L | 卖出 (S) | Common Stock | 476 | USD 450.78 | USD 214,571 | SEC 申报 ↗ |
| 2026-08-26 | Tregillis Cynthia L | 期权行权／转换 (M) | Common Stock | 9 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-26 | Tregillis Cynthia L | 代扣税 (F) | Common Stock | 1,631 | USD 468.88 | USD 764,743 | SEC 申报 ↗ |
| 2026-08-26 | Tan Irving | 期权行权／转换 (M) | Common Stock | 42 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-26 | Tan Irving | 代扣税 (F) | Common Stock | 3,314 | USD 468.88 | USD 1,553,868 | SEC 申报 ↗ |
| 2026-08-26 | Shihab Ahmed Mohammed | 期权行权／转换 (M) | Common Stock | 15 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-26 | Shihab Ahmed Mohammed | 代扣税 (F) | Common Stock | 2,741 | USD 468.88 | USD 1,285,200 | SEC 申报 ↗ |
| 2026-08-26 | Sennesael Kris | 期权行权／转换 (M) | Common Stock | 19 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-26 | Sennesael Kris | 代扣税 (F) | Common Stock | 4,317 | USD 468.88 | USD 2,024,155 | SEC 申报 ↗ |
| 2026-08-26 | Gubbi Vidyadhara K | 期权行权／转换 (M) | Common Stock | 9 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-26 | Gubbi Vidyadhara K | 代扣税 (F) | Common Stock | 2,056 | USD 468.88 | USD 964,017 | 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 | WDC |
| CIK | 0000106040 |
| 行业 | Technology |
| 细分行业 | Computer Hardware Yahoo Finance |
| SEC SIC | 3572 Computer Storage Devices |
| 交易所 | Nasdaq |
数据覆盖
| 本地 Form 4 历史 | 880 transaction lines from 2020-01-07 to 2026-09-20 0 P purchase lines · 284 S sale lines · 596 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.