追踪美国高管、董事及 10% 股东的 SEC Form 4 申报，含集群检测与 10b5-1 计划标记
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Insider Alpha - SEC Form 4 追踪 | Blockcircle
Insider Alpha - Real-time SEC Form 4 insider trading intelligence
Every officer, director, and 10%-owner insider filing across US markets - ingested from SEC EDGAR in real time, enriched with cluster detection, per-insider track records, activist 13D disclosures, and sector-level flow analysis. Surface high-conviction insider buys before they appear in mainstream coverage.
数据覆盖范围
美国上市公司的所有SEC Form 4申报文件
高管、董事及持股10%以上股东的交易记录
公开市场买入、公开市场卖出、期权行权及10b5-1计划销售
激进投资者13D披露及完整持仓背景
机构13F持仓数据供交叉参考
内部人转让及赠与申报
分析功能
集群检测——在短时间窗口内同一公司多位内部人买入
按内部人追踪历史记录及远期收益表现评分
激进投资者观察列表——13D申报含持仓规模及意图披露
热力图——行业层面内部人买入与卖出压力对比
轧空视图——内部人买入结合高做空兴趣
按公司智能资金图——某股票代码的全部内部人活动时间线
回测——按筛选条件统计内部人买入信号的历史表现
相似形态查找——寻找与当前内部人集群匹配的历史形态
常见问题
What is Insider Alpha?
Insider Alpha is Blockcircle's real-time insider trading intelligence feed. It ingests every Form 4 filing from the SEC EDGAR system - covering officers, directors, and 10%-owner insider buys and sells across US markets - and adds cluster detection, per-insider track records, confidence scoring, and activist 13D disclosures.
What is a Form 4 filing?
Form 4 is the SEC disclosure that officers, directors, and 10%-or-greater shareholders of public companies must file when they buy or sell shares of the company. The filing is due within two business days of the trade. Insider Alpha pulls every Form 4 the moment it hits EDGAR and turns the raw XML into structured trade signals.
What is a cluster buy?
A cluster buy is when multiple insiders at the same company file open-market purchases within a short window, typically two to four weeks. Cluster buys have historically been one of the strongest insider-trading signals because they require independent decisions by multiple parties with material non-public information about the company's prospects.
What are activist disclosures?
Activist disclosures are 13D filings, which are required when an investor acquires more than 5% of a public company's shares with the intent to influence corporate governance, strategy, or capital allocation. 13D filings often precede major corporate actions like board changes, spin-offs, or sales.
How does the insider confidence score work?
Every insider in the database has a track record score based on the forward returns of their historical trades. The score weights size, frequency, conviction (purchases on the open market versus 10b5-1 sales), and historical hit rate. Insider Alpha highlights filings from top-decile insiders so you can prioritise the highest-signal filings first.
美国市场实时 Form 4 申报。高管、董事及 10% 持股人。集群检测、持股比例变动及计划交易与自主交易分类。一键即可将任意信号路由至通用交易引擎。
引擎
INSIDER
覆盖范围
美国 · Form 4
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What is the squeeze view?
The squeeze view ranks tickers by insider buying combined with elevated short interest, looking for setups where insiders are accumulating shares against a high short-interest backdrop - a classic precursor to short squeezes.
