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, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-12 20:15 | 2026-06-04 | APMC | AmperCap Acquisition Co | AmperSPAC LLC | 10% owner | Blank Checks | BUY | $10.00 | 247,500 | $2,475,000 | 3,891,667 | +6.8% |
| 2026-06-12 21:59 | 2026-06-11 | PRTA | PROTHENA CORP PUBLIC LTD CO | SCULLY WILLIAM P | 10% owner | Pharmaceutical Preparations | BUY | $8.17 | 125,000 | $1,021,225 | 1,061,000 | +13.4% |
| 2026-06-12 18:35 | 2026-06-12 | SMMT | Summit Therapeutics Inc. | Zanganeh Mahkam | Director, Officer, 10% owner - Co-Chief Executive Officer | Pharmaceutical Preparations | BUY | $13.12 | 3,810,000 | $49,987,200 | 573,883,879 | +0.7% |
| 2026-06-12 16:28 | 2026-06-12 | SMMT | Summit Therapeutics Inc. | DUGGAN ROBERT W | Director, Officer, 10% owner - Co-Chief Executive Officer | Pharmaceutical Preparations | BUY | $13.12 | 3,810,000 | $49,987,200 | 573,883,879 | +0.7% |
| 2026-06-11 20:30 | 2026-06-10 | ECL | ECOLAB INC. | Doukeris Michel D | Director | Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics | BUY | $258.00 | 7,750 | $1,999,500 | 8,326 | +1,344.9% |
| 2026-06-11 20:50 | 2026-06-09 | BKKT | Bakkt, Inc. | ALFRED MICHAEL | Director | Finance Services | BUY | $7.75 | 280,000 | $2,170,812 | 905,000 | +44.8% |
| 2026-06-11 23:36 | 2026-06-09 | ARTV | Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Director, 10% owner | Biological Products, (No Diagnostic Substances) | BUY | $7.44 | 1,027,722 | $7,650,157 | 16,231,717 | +6.8% |
| 2026-06-11 22:31 | 2026-06-11 | STEP | StepStone Group Inc. | McCabe Michael I | Director, Officer - Head of Strategy | Investment Advice | BUY | $41.85 | 120,000 | $5,022,072 | 433,178 | +38.3% |
| 2026-06-11 22:33 | 2026-06-05 | AII | American Integrity Insurance Group, Inc. | SOWELL JAMES E | 10% owner | Fire, Marine & Casualty Insurance | BUY | $16.88 | 136,356 | $2,301,239 | 4,610,180 | +3.0% |
| 2026-06-11 20:30 | 2026-06-09 | N/A | GoldenTree Opportunistic Credit Fund | GOLDENTREE ASSET MANAGEMENT LP | 10% owner | Other | BUY | $10.21 | 465,230 | $4,750,000 | 23,570,899 | +2.0% |
| 2026-06-11 20:01 | 2026-06-10 | FBIN | Fortune Brands Innovations, Inc. | GARDEN EDWARD P | Director | Millwood, Veneer, Plywood, & Structural Wood Members | BUY | $40.60 | 320,067 | $12,994,720 | 3,940,234 | +8.8% |
| 2026-06-11 15:27 | 2026-06-10 | BRC | BRADY CORP | Nargolwala Vineet A | Director, Officer - President & CEO | Miscellaneous Manufacturing Industries | BUY | $76.86 | 13,011 | $1,000,025 | 52,709 | +32.8% |
| 2026-06-10 22:51 | 2026-06-08 | BLND | Blend Labs, Inc. | Haveli Investments, L.P. | Director, 10% owner | Services-Computer Programming, Data Processing, Etc. | BUY | $1.68 | 1,118,935 | $1,882,384 | 17,536,729 | +6.8% |
| 2026-06-10 14:23 | 2026-06-08 | N-A | Diameter Dynamic Credit Fund | Abu Dhabi Pension Fund | 10% owner | Other | BUY | $10.02 | 4,990,020 | $50,000,000 | 9,990,020 | +99.8% |
| 2026-06-10 12:13 | 2026-06-09 | BORR | Borr Drilling Ltd | Troim Tor Olav | Director | Drilling Oil & Gas Wells | BUY | $4.70 | 1,063,000 | $4,996,100 | 27,185,941 | +4.1% |
| 2026-06-10 11:39 | 2026-05-29 | COE | 51Talk Online Education Group | Huang Jack Jiajia | Director, Officer, 10% owner - Chief Executive Officer | Services-Educational Services | BUY | $24.99 | 165,240 | $4,128,868 | 26,816,640 | +0.6% |
| 2026-06-09 20:05 | 2026-06-05 | HOOD | Robinhood Markets, Inc. | Malka Meyer | Director | Security Brokers, Dealers & Flotation Companies | BUY | $80.74 | 250,000 | $20,184,200 | 3,924,427 | +6.8% |
| 2026-06-10 00:43 | 2026-06-05 | LFTO | Liftoff Mobile, Inc. | General Atlantic (LFT), L.P. | Director, 10% owner | Services-Computer Processing & Data Preparation | BUY | $23.00 | 1,304,347 | $29,999,981 | 25,315,646 | +5.4% |
| 2026-06-10 00:45 | 2026-06-05 | LFTO | Liftoff Mobile, Inc. | GENERAL ATLANTIC GENPAR, L.P. | Director, 10% owner | Services-Computer Processing & Data Preparation | BUY | $23.00 | 1,304,347 | $29,999,981 | 25,315,646 | +5.4% |
| 2026-06-09 21:15 | 2026-06-04 | DGAC | DISCIPLINED GROWTH ACQUISITION Corp | Disciplined Growth Sponsor LLC | 10% owner | Blank Checks | BUY | $10.00 | 181,750 | $1,817,500 | 181,750 | +100.0% |
| 2026-06-08 20:05 | 2026-06-04 | APMC | AmperCap Acquisition Co | AmperSPAC LLC | 10% owner | Blank Checks | BUY | $10.00 | 247,500 | $2,475,000 | 247,500 | +100.0% |
| 2026-06-08 22:59 | 2026-06-04 | FCNCA | FIRST CITIZENS BANCSHARES INC /DE/ | HOLDING FRANK B JR | Director, Officer, 10% owner - Chairman and CEO | State Commercial Banks | BUY | $1,812.54 | 553 | $1,002,336 | 64,100 | +0.9% |
| 2026-06-08 21:25 | 2026-06-04 | WGS | GeneDx Holdings Corp. | Casdin Capital, LLC | Director, 10% owner | Services-Health Services | BUY | $55.55 | 200,000 | $11,109,560 | 3,707,164 | +5.7% |
| 2026-06-08 20:30 | 2026-06-05 | QNT | Quantinuum Inc. | BHATIA MANISH H | Director | Services-Computer Integrated Systems Design | BUY | $60.00 | 20,000 | $1,200,000 | 25,833 | +342.9% |
| 2026-06-08 20:31 | 2026-06-05 | QNT | Quantinuum Inc. | Barron Hal | Director | Services-Computer Integrated Systems Design | BUY | $60.00 | 250,000 | $15,000,000 | 255,833 | +4,286.0% |
| 2026-06-08 20:31 | 2026-06-05 | QNT | Quantinuum Inc. | JIMENEZ JOSEPH | Director | Services-Computer Integrated Systems Design | BUY | $60.00 | 66,665 | $3,999,900 | 72,498 | +1,142.9% |
| 2026-06-08 20:00 | 2026-06-05 | INIO | INNIO Holding GmbH | LINEBARGER NORMAN THOMAS | Director | Motors & Generators | BUY | $27.00 | 92,592 | $2,499,984 | 181,481 | +104.2% |
| 2026-06-08 16:01 | 2026-06-04 | MXF | MEXICO FUND INC | Saba Capital Management, L.P. | 10% owner | Other | BUY | $21.62 | 52,008 | $1,124,491 | 2,185,387 | +2.4% |
| 2026-06-08 11:52 | 2026-06-05 | RYAN | RYAN SPECIALTY HOLDINGS, INC. | RYAN PATRICK G | Director, Officer, 10% owner - Executive Chairman | Insurance Agents, Brokers & Service | BUY | $32.50 | 120,000 | $3,899,736 | 13,817,859 | +0.9% |
| 2026-06-08 12:00 | 2026-05-21 | SVRE | SaverOne 2014 Ltd. | VisionWave Holdings, Inc. | Director | Services-Computer Programming Services | BUY | $4.00 | 1,710,302,400 | $6,841,209,600 | 13,913,985,600 | +14.0% |
| 2026-06-06 00:49 | 2026-06-03 | PAX | Patria Investments Ltd | Neto Olimpio Matarazzo | Director | Investment Advice | BUY | $11.29 | 100,000 | $1,129,250 | 235,000 | +74.1% |
| 2026-06-04 20:22 | 2026-06-03 | NSP | INSPERITY, INC. | SARVADI PAUL J | Director, Officer - Chairman of the Board & CEO | Services-Help Supply Services | BUY | $34.05 | 233,000 | $7,933,650 | 1,105,912 | +26.7% |
| 2026-06-05 00:43 | 2026-06-01 | DNUT | Krispy Kreme, Inc. | Hees Bernardo | Director | Retail-Food Stores | BUY | $3.36 | 630,111 | $2,116,732 | 1,549,633 | +68.5% |
| 2026-06-04 22:08 | 2026-06-04 | SMMT | Summit Therapeutics Inc. | DUGGAN ROBERT W | Director, Officer, 10% owner - Co-Chief Executive Officer | Pharmaceutical Preparations | BUY | $14.60 | 100,000 | $1,460,000 | 25,824,474 | +0.4% |
| 2026-06-04 21:45 | 2026-06-04 | SMMT | Summit Therapeutics Inc. | Zanganeh Mahkam | Director, Officer, 10% owner - Co-Chief Executive Officer | Pharmaceutical Preparations | BUY | $14.60 | 100,000 | $1,460,000 | 25,824,474 | +0.4% |
| 2026-06-04 20:35 | 2026-06-03 | GLIBK | GCI Liberty, Inc. | DUNCAN RONALD A | Director, Officer - President and CEO | Cable & Other Pay Television Services | BUY | $21.04 | 67,500 | $1,420,517 | 42,516 | +100.0% |
| 2026-06-04 20:48 | 2026-06-03 | XMTR | Xometry, Inc. | Biewald Lukas Alexander | Director | Services-Business Services, NEC | BUY | $85.00 | 47,058 | $3,999,930 | 55,134 | +582.7% |
| 2026-06-04 15:07 | 2026-06-02 | ERIE | ERIE INDEMNITY CO | Vorsheck Elizabeth A | Director, 10% owner | Insurance Agents, Brokers & Service | BUY | $204.79 | 7,000 | $1,433,500 | 3,004,000 | +0.2% |
| 2026-06-04 13:28 | 2026-06-03 | NVRI | Enviri II Corp | Hochman Russell C. | Director, Officer - President and CEO | Other | BUY | $19.43 | 51,519 | $1,001,014 | 144,510 | +55.4% |
| 2026-06-04 10:01 | - | FONR | FONAR CORP | shane hilary | 10% owner | Electromedical & Electrotherapeutic Apparatus | BUY | $19.10 | 215,336 | $4,113,305 | 255,332 | +538.4% |
| 2026-06-03 21:27 | 2026-06-01 | N-A | Innovation Access Fund | SilverBay Capital Management LLC | 10% owner, Other | Other | BUY | $15.67 | 3,827,824 | $59,982,002 | 8,827,824 | +76.6% |
| 2026-06-03 20:15 | 2026-06-01 | NCLH | Norwegian Cruise Line Holdings Ltd. | PAGLIUCA STEPHEN G | Director | Water Transportation | BUY | $18.11 | 1,380,000 | $24,992,352 | 1,388,912 | +15,484.7% |
| 2026-06-04 01:22 | 2026-06-02 | TXO | TXO Partners, L.P. | SIMPSON BOB R | Director, 10% owner | Crude Petroleum & Natural Gas | BUY | $13.72 | 600,000 | $8,231,760 | 9,000,000 | +7.1% |
| 2026-06-03 23:35 | 2026-06-01 | CECO | CECO ENVIRONMENTAL CORP | WALLMAN RICHARD F | Director | Industrial & Commercial Fans & Blowers & Air Purifing Equip | BUY | $76.85 | 20,000 | $1,536,938 | 105,500 | +23.4% |
| 2026-06-03 22:50 | 2026-06-03 | HOOD | Robinhood Markets, Inc. | Malka Meyer | Director | Security Brokers, Dealers & Flotation Companies | BUY | $83.45 | 181,000 | $15,103,853 | 3,674,427 | +5.2% |
| 2026-06-03 22:43 | 2026-06-01 | LODE | Comstock Inc. | Pei Steven Yu-Tsung | Director | Industrial Organic Chemicals | BUY | $4.02 | 360,000 | $1,446,660 | 1,890,980 | +23.5% |
| 2026-06-03 21:17 | 2026-04-13 | DOMO | DOMO, INC. | RPD Fund Management LLC | Other | Services-Prepackaged Software | BUY | $2.57 | 924,709 | $2,376,502 | 4,437,535 | +26.3% |
| 2026-06-03 01:54 | 2026-05-29 | AUPH | Aurinia Pharmaceuticals Inc. | TANG KEVIN | Director, Officer, 10% owner - Chief Executive Officer | Pharmaceutical Preparations | BUY | $15.29 | 814,606 | $12,455,244 | 13,044,106 | +6.7% |
| 2026-06-02 22:45 | 2026-05-29 | AXIA | AXIA Energia S.A. | Batista de Lima Filho Pedro | Director | Electric Services | BUY | $10.78 | 1,234,900 | $13,309,876 | 4,481,676 | +38.0% |
| 2026-06-02 21:49 | 2026-06-01 | RDN | RADIAN GROUP INC | Weinbach Michael S | Officer - Chief Executive Officer- Elect | Surety Insurance | BUY | $33.93 | 170,000 | $5,768,287 | 170,000 | +100.0% |
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.