Insider cluster buying
Companies where at least three distinct company insiders each reported an open-market PURCHASE (SEC Form 4, code P) within a rolling 30-day window. Cluster buying is disclosed Form 4 activity, not a prediction — insiders buy for many reasons.
57 companies in the covered catalog currently match this signal — insider cluster buying. Updated daily as new Form 4 filings are ingested.
| # | Company | Sector | Distinct insiders | Cluster window | Market cap |
|---|---|---|---|---|---|
| 1 | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) | — | 12 | 2026-07-07 → 2026-07-13 | $59.39T |
| 2 | Boston Scientific (BSX) | Health Care | 3 | 2026-05-19 → 2026-05-20 | $65.8B |
| 3 | GE HealthCare (GEHC) | Health Care | 4 | 2026-05-06 → 2026-05-22 | $28.6B |
| 4 | Charter Communications (CHTR) | Communication Services | 4 | 2026-04-28 → 2026-05-15 | $18.0B |
| 5 | Arxis, Inc. (ARXS) | Industrials | 7 | 2026-04-17 → 2026-04-17 | $17.2B |
| 6 | GameStop (GME) | Consumer Discretionary | 3 | 2026-01-20 → 2026-01-23 | $9.8B |
| 7 | Agree Realty (ADC) | Real Estate | 4 | 2026-05-14 → 2026-06-04 | $9.7B |
| 8 | Celsius Holdings (CELH) | Consumer Staples | 3 | 2026-05-21 → 2026-05-22 | $7.4B |
| 9 | INSTALLED BUILDING PRODUCTS INC (IBP) | Consumer Discretionary | 3 | 2026-05-11 → 2026-05-11 | $6.2B |
| 10 | Andersen Group Inc. (ANDG) | Industrials | 5 | 2025-12-17 → 2025-12-18 | $5.0B |
| 11 | FTI Consulting (FCN) | Industrials | 3 | 2026-05-13 → 2026-05-13 | $4.8B |
| 12 | Hamilton Lane (HLNE) | Financials | 3 | 2026-05-26 → 2026-06-11 | $4.7B |
| 13 | EPAM Systems (EPAM) | Information Technology | 3 | 2026-04-30 → 2026-04-30 | $4.6B |
| 14 | KBR, Inc. (KBR) | Industrials | 4 | 2026-05-13 → 2026-05-20 | $4.5B |
| 15 | GPGI INC CLASS A (GPGI) | Information Technology | 3 | 2026-05-14 → 2026-06-11 | $4.2B |
| 16 | EquipmentShare.com Inc (EQPT) | Industrials | 3 | 2026-05-19 → 2026-06-15 | $4.1B |
| 17 | DIEBOLD NIXDORF INC (DBD) | Information Technology | 3 | 2026-05-22 → 2026-05-27 | $3.0B |
| 18 | Freshpet (FRPT) | Consumer Staples | 6 | 2026-05-08 → 2026-05-20 | $2.8B |
| 19 | GOOSEHEAD INSURANCE INC CLASS A (GSHD) | Financials | 5 | 2026-05-14 → 2026-05-29 | $2.0B |
| 20 | CITY HOLDING (CHCO) | Financials | 3 | 2026-04-20 → 2026-05-12 | $1.9B |
| 21 | GERMAN AMERICAN BANCORP INC (GABC) | Financials | 5 | 2026-07-16 → 2026-07-16 | $1.8B |
| 22 | GENERATE BIOMEDICINES INC (GENB) | Health Care | 4 | 2026-03-02 → 2026-03-04 | $1.7B |
| 23 | HARROW INC (HROW) | Health Care | 4 | 2026-05-14 → 2026-05-18 | $1.7B |
| 24 | AKTIS ONCOLOGY INC (AKTS) | Health Care | 6 | 2026-01-12 → 2026-01-12 | $1.3B |
| 25 | AVALYN PHARMA INC (AVLN) | Health Care | 3 | 2026-05-01 → 2026-05-01 | $1.3B |
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Insider buying is disclosed SEC Form 4 activity, NOT a buy signal or a forecast of performance. Only open-market purchases (code P) count here — grants, option exercises, and tax-withholding sales are excluded.
Data: SEC EDGAR (Form 3/4/5, 10-K/10-Q filings), the U.S. House Clerk (PTR disclosures), FINRA (short interest), and Finnhub/Yahoo (delayed daily-close prices & analyst consensus). Every figure carries its as-of date on the company page; a company with no data for this signal is excluded, never estimated.
Signal data as of 2026-07-20 — this page's date reflects the source's own reporting date, not when it was rendered.
Informational only — NOT financial advice. Every signal here is disclosed or delayed data, shown with its source and as-of date — not a prediction, ranking of quality, or recommendation.