Large Insider Purchases
Institutional-Scale SEC Form 4 Buy Signals
The Signal of $1M+ Conviction
When a corporate executive invests more than $1,000,000 of their own capital into company shares, it represents the highest level of conviction. These seven-figure purchases reflect management's belief in the company's future value.
| Filing Date | Trade Date | Ticker | Company Name | Reporting Person | Relationship | Industry | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019-07-09 04:26 | 2019-07-03 | EIDX | N/A | BridgeBio Pharma, Inc. | 10% owner | Other | BUY | $29.90 | 882,353 | $26,382,796 | 24,575,501 | +3.7% |
| 2019-07-09 04:32 | 2019-07-03 | EIDX | N/A | Satvat Ali J. | Director, 10% owner | Other | BUY | $29.90 | 882,353 | $26,382,796 | 24,575,501 | +3.7% |
| 2019-07-08 23:45 | 2019-07-05 | ABQQ | AI Era Corp. | Deng Chiyuan | Director, Officer, 10% owner - Chief Executive Officer | Patent Owners & Lessors | BUY | $2.00 | 600,000 | $1,200,000 | 2,000,400 | +42.8% |
| 2019-07-09 04:29 | 2019-07-03 | EIDX | N/A | AGUIAR ERIC | Director, 10% owner | Other | BUY | $29.90 | 882,353 | $26,382,796 | 24,575,501 | +3.7% |
| 2019-07-05 23:13 | 2019-05-29 | UCBB | N/A | Huang Qingxi | Director, Officer, 10% owner - CEO, CFO, Secy., Treas. | Other | BUY | $214,500.00 | 4,290,000 | $920,205,000,000 | 12,422,000 | +52.8% |
| 2019-07-05 23:13 | 2019-05-29 | UCBB | N/A | China Israel Biotechnology Co. Ltd | 10% owner | Other | BUY | $214,500.00 | 4,290,000 | $920,205,000,000 | 10,922,000 | +64.7% |
| 2019-07-05 23:05 | 2019-07-02 | CHAP | N/A | Strategic Value Partners, LLC | 10% owner | Other | BUY | $4.64 | 486,895 | $2,258,073 | 2,983,793 | +19.5% |
| 2019-07-03 15:39 | 2019-07-02 | N-A | N/A | STRS OHIO | 10% owner | Other | BUY | $15.00 | 333,333 | $5,000,000 | 4,602,683 | +7.8% |
| 2019-07-03 22:12 | 2019-07-02 | N/A | N/A | Golub Lawrence E | Director, Officer - Chairman | Other | BUY | $15.00 | 125,035 | $1,875,525 | 277,733 | +81.9% |
| 2019-07-03 22:13 | 2019-07-02 | N/A | N/A | Golub David | Director, Officer - President and CEO | Other | BUY | $15.00 | 125,035 | $1,875,525 | 277,733 | +81.9% |
| 2019-07-03 23:30 | 2019-07-01 | BBIO | BridgeBio Pharma, Inc. | KKR Genetic Disorder L.P. | 10% owner | Pharmaceutical Preparations | BUY | $17.00 | 2,647,100 | $45,000,700 | 36,900,661 | +7.7% |
| 2019-07-02 23:37 | 2019-06-28 | VRML | Aspira Women's Health Inc. | Schuler Henri George | 10% owner | In Vitro & In Vivo Diagnostic Substances | BUY | $0.80 | 4,750,000 | $3,800,000 | 1,503,177 | +100.0% |
| 2019-07-02 21:29 | 2019-03-13 | CNFR | Presurance Holdings, Inc. | Hakala Jeffrey Anthony | Director | Fire, Marine & Casualty Insurance | BUY | $4.23 | 545,397 | $2,307,684 | 768,161 | +244.8% |
| 2019-07-03 00:16 | 2019-07-02 | OCX | Insight Molecular Diagnostics Inc. | BROADWOOD PARTNERS, L.P. | 10% owner | In Vitro & In Vivo Diagnostic Substances | BUY | $2.00 | 1,000,000 | $2,000,000 | 9,098,267 | +12.3% |
| 2019-07-03 00:10 | 2019-07-02 | KRTX | N/A | HEALY JAMES | Director | Other | BUY | $16.00 | 700,000 | $11,200,000 | 1,729,352 | +68.0% |
| 2019-07-03 00:13 | 2019-07-02 | KRTX | N/A | NELSEN ROBERT | Director, 10% owner | Other | BUY | $16.00 | 200,000 | $3,200,000 | 1,681,435 | +13.5% |
| 2019-07-03 00:09 | 2019-07-02 | KRTX | N/A | ARCH Venture Partners IX, LLC | 10% owner | Other | BUY | $16.00 | 200,000 | $3,200,000 | 100,000 | +100.0% |
| 2019-07-03 00:13 | 2019-07-01 | ADPT | Adaptive Biotechnologies Corporation | VIKING GLOBAL PERFORMANCE LLC | 10% owner | Biological Products, (No Diagnostic Substances) | BUY | $20.00 | 250,000 | $5,000,000 | 1,675,000 | +17.5% |
| 2019-07-02 23:13 | 2019-07-01 | MORF | N/A | GLAXOSMITHKLINE PLC | Director | Other | BUY | $15.00 | 333,333 | $4,999,995 | 2,633,772 | +14.5% |
| 2019-07-03 00:11 | 2019-07-01 | ADPT | Adaptive Biotechnologies Corporation | VIKING GLOBAL INVESTORS LP | 10% owner | Biological Products, (No Diagnostic Substances) | BUY | $20.00 | 250,000 | $5,000,000 | 1,675,000 | +17.5% |
| 2019-07-02 23:36 | 2019-06-28 | VRML | Aspira Women's Health Inc. | SCHULER JACK W | 10% owner | In Vitro & In Vivo Diagnostic Substances | BUY | $0.80 | 5,000,000 | $4,000,000 | 22,378,242 | +28.8% |
| 2019-07-02 00:24 | 2019-06-27 | MOTS | Motus GI Holdings Inc. | FEINBERG LARRY N | 10% owner | Surgical & Medical Instruments & Apparatus | BUY | $3.00 | 1,031,666 | $3,095,514 | 30,000 | +100.0% |
| 2019-07-02 02:23 | 2019-07-01 | MORF | N/A | Goyal Vikas | Director | Other | BUY | $15.00 | 333,333 | $4,999,995 | 2,633,772 | +14.5% |
| 2019-07-02 02:19 | 2019-07-01 | MORF | N/A | Nashat Amir | Director | Other | BUY | $15.00 | 125,000 | $1,875,000 | 151,879 | +465.0% |
| 2019-07-01 23:31 | 2019-06-28 | MORF | N/A | Novo Holdings A/S | 10% owner | Other | BUY | $15.00 | 666,667 | $10,000,005 | 2,645,446 | +33.7% |
| 2019-07-02 03:01 | 2019-07-01 | MORF | N/A | Stampacchia Otello | Director, 10% owner | Other | BUY | $15.00 | 133,333 | $1,999,995 | 2,969,582 | +4.7% |
| 2019-07-02 02:55 | 2019-07-01 | MORF | N/A | Omega Fund V, L.P. | 10% owner | Other | BUY | $15.00 | 133,333 | $1,999,995 | 2,969,582 | +4.7% |
| 2019-07-02 01:16 | 2019-06-27 | CRVS | Corvus Pharmaceuticals, Inc. | Thompson Peter A. | Director, 10% owner | Pharmaceutical Preparations | BUY | $3.72 | 657,344 | $2,444,071 | 6,624,928 | +11.0% |
| 2019-07-02 02:23 | 2019-06-27 | DOVA | N/A | PERCEPTIVE ADVISORS LLC | 10% owner | Other | BUY | $13.35 | 427,209 | $5,703,197 | 3,553,060 | +13.7% |
| 2019-07-02 02:22 | 2019-06-27 | MOTS | Motus GI Holdings Inc. | PERCEPTIVE ADVISORS LLC | 10% owner | Surgical & Medical Instruments & Apparatus | BUY | $3.00 | 1,000,000 | $3,000,000 | 4,210,542 | +31.1% |
| 2019-07-01 23:36 | 2019-06-28 | ACFN | Acorn Energy Inc. | LOEB JAN H | Director, Officer, 10% owner - President and CEO | Services-Engineering Services | BUY | $0.24 | 5,409,062 | $1,298,175 | 4,372,017 | +100.0% |
| 2019-07-01 17:02 | 2019-06-28 | TRC | TEJON RANCH CO | DT Four Partners, LLC | 10% owner | Real Estate | BUY | $16.50 | 70,097 | $1,156,601 | 1,034,550 | +7.3% |
| 2019-07-02 01:15 | 2019-06-27 | CRVS | Corvus Pharmaceuticals, Inc. | ORBIMED ADVISORS LLC | Director, 10% owner | Pharmaceutical Preparations | BUY | $3.72 | 657,344 | $2,444,071 | 6,624,928 | +11.0% |
| 2019-07-01 16:43 | 2019-06-28 | CSU | SONIDA SENIOR LIVING, INC. | Levinson Sam | 10% owner | Services-Nursing & Personal Care Facilities | BUY | $5.03 | 900,000 | $4,527,000 | 4,615,921 | +24.2% |
| 2019-07-01 18:50 | 2019-06-27 | ARQL | N/A | Nussbaum Ran | Director | Other | BUY | $9.75 | 307,692 | $2,999,997 | 36,923 | +100.0% |
| 2019-06-29 00:03 | 2019-06-28 | CMBM | Cambium Networks Corp | Amen Robert S | Director, 10% owner | Radio & Tv Broadcasting & Communications Equipment | BUY | $12.00 | 1,500,000 | $18,000,000 | 18,000 | +100.0% |
| 2019-06-29 00:13 | 2019-06-26 | IMMU | N/A | Avoro Capital Advisors LLC | Director, 10% owner, Other | Other | BUY | $13.55 | 1,000,000 | $13,548,000 | 21,000,000 | +5.0% |
| 2019-06-28 23:47 | 2019-06-26 | ABBV | AbbVie Inc. | CHASE WILLIAM J | Officer - EVP, Finance & Administration | Pharmaceutical Preparations | BUY | $67.30 | 30,400 | $2,045,920 | 169,552 | +21.8% |
| 2019-06-28 23:30 | 2019-06-26 | ODT | N/A | Boxer Capital, LLC | 10% owner | Other | BUY | $26.00 | 384,615 | $9,999,990 | 3,363,377 | +12.9% |
| 2019-06-29 00:54 | 2019-06-28 | CMBM | Cambium Networks Corp | VECTOR CAPITAL, L.L.C. | Director, 10% owner | Radio & Tv Broadcasting & Communications Equipment | BUY | $12.00 | 1,500,000 | $18,000,000 | 18,000 | +100.0% |
| 2019-06-29 00:06 | 2019-06-28 | CMBM | Cambium Networks Corp | Slusky Alexander R | Director, 10% owner | Radio & Tv Broadcasting & Communications Equipment | BUY | $12.00 | 1,500,000 | $18,000,000 | 18,000 | +100.0% |
| 2019-06-29 00:44 | 2019-06-26 | MGM | MGM Resorts International | Meister Keith A. | Director | Hotels & Motels | BUY | $27.99 | 209,136 | $5,853,424 | 20,563,696 | +1.0% |
| 2019-06-28 23:01 | 2019-06-26 | ODT | N/A | TANG KEVIN C | Director, Officer, 10% owner - Chief Executive Officer | Other | BUY | $26.00 | 769,231 | $20,000,006 | 14,075,269 | +5.8% |
| 2019-06-29 00:47 | 2019-06-26 | RUN | Sunrun Inc. | TIGER GLOBAL MANAGEMENT LLC | 10% owner | Miscellaneous Electrical Machinery, Equipment & Supplies | BUY | $18.59 | 866,725 | $16,110,684 | 12,792,766 | +7.3% |
| 2019-06-29 02:02 | 2019-06-27 | BBIO | BridgeBio Pharma, Inc. | VIKING GLOBAL PERFORMANCE LLC | 10% owner | Pharmaceutical Preparations | BUY | $17.00 | 4,705,900 | $80,000,300 | 26,620,991 | +21.5% |
| 2019-06-28 23:10 | 2019-06-28 | BECN | N/A | CD&R Investment Associates IX, Ltd. | 10% owner | Other | BUY | $34.17 | 4,625,998 | $158,081,454 | 10,550,161 | +78.1% |
| 2019-06-29 03:19 | 2019-06-28 | MDCO | N/A | DENNER ALEXANDER J | Director | Other | BUY | $33.00 | 50,000 | $1,650,000 | 4,202,000 | +1.2% |
| 2019-06-29 02:02 | 2019-06-27 | BBIO | BridgeBio Pharma, Inc. | VIKING GLOBAL INVESTORS LP | 10% owner | Pharmaceutical Preparations | BUY | $17.00 | 4,705,900 | $80,000,300 | 26,620,991 | +21.5% |
| 2019-06-28 01:29 | 2019-06-25 | AMAG | N/A | ARMISTICE CAPITAL, LLC | 10% owner | Other | BUY | $8.87 | 498,016 | $4,415,858 | 200,000 | +100.0% |
| 2019-06-28 00:36 | 2019-06-25 | FSLY | Fastly, Inc. | Abdiel Capital Management, LLC | 10% owner | Services-Prepackaged Software | BUY | $17.25 | 153,248 | $2,643,206 | 2,253,248 | +7.3% |
Institutional Conviction in Form 4
Tracking these institutional-scale purchases allows you to follow the "smart money" when their conviction is highest. When an executive or a 10% beneficial owner commits a seven-figure sum to an open-market transaction, it bypasses the routine noise of stock-based compensation. These trades are often a precursor to major corporate developments or a signal that management views the current market valuation as significantly disconnected from the company’s internal growth trajectory. By monitoring these high-value entries, investors can align their portfolios with the capital of those who possess the most intimate understanding of a business's long-term health and potential.
Filtering the Market Noise
Our platform is designed to eliminate the noise and focus strictly on high-impact accumulation from directors and CEOs betting big on their company’s future. The SEC EDGAR database is frequently flooded with thousands of automated Form 4 filings, many of which involve small, technical, or pre-scheduled trades that offer little predictive value for the average investor. By applying a strict $1,000,000 minimum threshold, we isolate the transactions where insiders are taking substantial personal financial risk. This high-conviction filter serves as a powerful transparency tool, identifying the exact moments when corporate leadership moves away from passive ownership toward aggressive capital deployment.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.