美国 · SEC FORM 4
SITIME Corp
SITM · Nasdaq · CIK 0001451809 · Technology · Semiconductors
内部人信号
0 qualifying P purchase groups
当前 180 天评分窗口
54 同一窗口内观察到的 Form 4 交易行
27 sales · 27 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; 10 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: 2021-12-06 · Heckart Christine.
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
- 1,505,923
- 上期报告
- 1,210,209
- 日均成交量
- 527,840
- 回补天数
- 2.9
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.
| Transaction date | Reporting owner | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2021-12-06 | Heckart Christine | 买入 (P) | Common Stock | 400 | USD 273.03 | USD 109,212 | SEC 申报 ↗ |
Form 4 申报证据
121 transaction lines in the latest 365-day window; 788 in local history.
| 日期 | 申报人 | 类型 | 证券 | 股数 | 平均价格 | 估算金额 | 来源 |
|---|---|---|---|---|---|---|---|
| 2026-10-02 | Assaderaghi Fariborz | 卖出 (S) | Common Stock | 1,374 | USD 701.05 | USD 963,243 | SEC 申报 ↗ |
| 2026-09-11 | Pangrazio Vincent P | 卖出 (S) | Common Stock | 3,000 | USD 625.00 | USD 1,875,000 | SEC 申报 ↗ |
| 2026-09-09 | VASHIST RAJESH | 卖出 (S) | Common Stock | 12,000 | USD 603.47 | USD 7,241,640 | 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 |
|---|---|---|---|---|---|---|---|
| 2026-10-02 | Assaderaghi Fariborz | 卖出 (S) | Common Stock | 1,374 | USD 701.05 | USD 963,243 | SEC 申报 ↗ |
| 2026-09-11 | Pangrazio Vincent P | 卖出 (S) | Common Stock | 3,000 | USD 625.00 | USD 1,875,000 | SEC 申报 ↗ |
| 2026-09-09 | VASHIST RAJESH | 卖出 (S) | Common Stock | 12,000 | USD 603.47 | USD 7,241,640 | SEC 申报 ↗ |
| 2026-09-09 | VASHIST RAJESH | 赠与 (G) | Common Stock | — | USD — | USD — | SEC 申报 ↗ |
| 2026-08-31 | VASHIST RAJESH | 赠与 (G) | Common Stock | 1,950 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-08-20 | VASHIST RAJESH | 代扣税 (F) | Common Stock | 29,054 | USD 598.81 | USD 17,397,826 | SEC 申报 ↗ |
| 2026-08-20 | Sevalia Piyush B | 代扣税 (F) | Common Stock | 9,701 | USD 598.81 | USD 5,809,056 | SEC 申报 ↗ |
| 2026-08-20 | Pangrazio Vincent P | 代扣税 (F) | Common Stock | 5,419 | USD 598.81 | USD 3,244,951 | SEC 申报 ↗ |
| 2026-08-20 | Howe Elizabeth A. | 代扣税 (F) | Common Stock | 2,740 | USD 598.81 | USD 1,640,739 | SEC 申报 ↗ |
| 2026-08-20 | Bonnot Lionel | 代扣税 (F) | Common Stock | 9,630 | USD 598.81 | USD 5,766,540 | SEC 申报 ↗ |
| 2026-08-20 | Assaderaghi Fariborz | 代扣税 (F) | Common Stock | 9,701 | USD 598.81 | USD 5,809,056 | SEC 申报 ↗ |
| 2026-08-20 | Ahamad Samsheer | 代扣税 (F) | Common Stock | 1,484 | USD 598.81 | USD 888,634 | SEC 申报 ↗ |
| 2026-08-17 | Frank Edward H. | 卖出 (S) | Common Stock | 1,000 | USD 745.00 | USD 745,000 | SEC 申报 ↗ |
| 2026-08-17 | Kreindl Torsten | 卖出 (S) | Common Stock | 345 | USD 750.12 | USD 258,791 | SEC 申报 ↗ |
| 2026-08-14 | Kreindl Torsten | 卖出 (S) | Common Stock | 350 | USD 700.00 | USD 245,000 | SEC 申报 ↗ |
| 2026-08-11 | SCHUELKE KATHERINE | 卖出 (S) | Common Stock | 500 | USD 698.05 | USD 349,025 | SEC 申报 ↗ |
| 2026-08-10 | Bonnot Lionel | 卖出 (S) | Common Stock | 1,500 | USD 725.00 | USD 1,087,500 | SEC 申报 ↗ |
| 2026-08-07 | Kreindl Torsten | 卖出 (S) | Common Stock | 1,050 | USD 721.67 | USD 757,750 | SEC 申报 ↗ |
| 2026-06-15 | VASHIST RAJESH | 卖出 (S) | Common Stock | 20,000 | USD 750.15 | USD 15,003,000 | SEC 申报 ↗ |
| 2026-06-15 | Bonnot Lionel | 卖出 (S) | Common Stock | 500 | USD 736.02 | USD 368,010 | SEC 申报 ↗ |
| 2026-06-12 | Pangrazio Vincent P | 卖出 (S) | Common Stock | 2,000 | USD 725.32 | USD 1,450,640 | SEC 申报 ↗ |
| 2026-06-12 | Chitkara Raman | 卖出 (S) | Common Stock | 2,000 | USD 727.38 | USD 1,454,760 | SEC 申报 ↗ |
| 2026-06-11 | Bonnot Lionel | 卖出 (S) | Common Stock | 1,000 | USD 700.00 | USD 700,000 | SEC 申报 ↗ |
| 2026-06-04 | Assaderaghi Fariborz | 卖出 (S) | Common Stock | 1,000 | USD 710.79 | USD 710,794 | SEC 申报 ↗ |
| 2026-06-03 | VASHIST RAJESH | 卖出 (S) | Common Stock | 40,000 | USD 701.13 | USD 28,045,200 | SEC 申报 ↗ |
| 2026-06-03 | Assaderaghi Fariborz | 卖出 (S) | Common Stock | 1,000 | USD 702.90 | USD 702,900 | SEC 申报 ↗ |
| 2026-06-02 | Heckart Christine | 卖出 (S) | Common Stock | 1,290 | USD 700.00 | USD 903,000 | SEC 申报 ↗ |
| 2026-06-01 | Takata Akira | 奖励／授予 (A) | Common Stock | 390 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-06-01 | SCHUELKE KATHERINE | 奖励／授予 (A) | Common Stock | 390 | USD 0.00 | USD 0 | SEC 申报 ↗ |
| 2026-06-01 | MOORTHY GANESH | 奖励／授予 (A) | Common Stock | 390 | USD 0.00 | USD 0 | 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 | SITM |
| CIK | 0001451809 |
| 行业 | Technology |
| 细分行业 | Semiconductors Yahoo Finance |
| SEC SIC | 3674 Semiconductors & Related Devices |
| 交易所 | Nasdaq |
数据覆盖
| 本地 Form 4 历史 | 788 transaction lines from 2020-01-21 to 2026-10-02 1 P purchase lines · 445 S sale lines · 342 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.