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, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-18 10:07 | 2026-05-14 | TGLS | Tecnoglass Inc. | Energy Holding Corp | 10% owner | Flat Glass | BUY | $40.51 | 100,000 | $4,050,580 | 20,831,985 | +0.5% |
| 2026-05-16 00:49 | 2026-05-12 | AMR | Alpha Metallurgical Resources, Inc. | Courtis Kenneth S. | Director | Bituminous Coal & Lignite Surface Mining | BUY | $189.22 | 15,000 | $2,838,326 | 975,394 | +1.6% |
| 2026-05-16 00:49 | 2026-05-13 | RLYB | Rallybio Corp | ADAR1 Capital Management, LLC | 10% owner | Pharmaceutical Preparations | BUY | $13.99 | 79,559 | $1,112,975 | 910,143 | +9.6% |
| 2026-05-15 23:25 | 2026-05-11 | PLSE | PULSE BIOSCIENCES, INC. | DUGGAN ROBERT W | Director, 10% owner | Surgical & Medical Instruments & Apparatus | BUY | $19.69 | 660,233 | $12,999,988 | 48,370,047 | +1.4% |
| 2026-05-15 23:07 | 2026-05-13 | WGS | GeneDx Holdings Corp. | Meister Keith A. | Director, 10% owner | Services-Health Services | BUY | $39.19 | 351,273 | $13,765,335 | 4,784,570 | +7.9% |
| 2026-05-15 20:46 | 2026-05-13 | TXO | TXO Partners, L.P. | SIMPSON BOB R | Director, 10% owner | Crude Petroleum & Natural Gas | BUY | $12.97 | 301,597 | $3,911,985 | 7,801,597 | +4.0% |
| 2026-05-15 20:00 | 2026-05-13 | N/A | Privacore VPC Asset Backed Credit Fund | Corbin Capital Partners, L.P. | 10% owner | Other | BUY | $10.11 | 494,560 | $5,000,000 | 3,227,917 | +18.1% |
| 2026-05-15 12:57 | 2026-05-14 | ONON | On Holding AG | Allemann David Michael | Director, Officer - Executive Officer & Co-CEO | Rubber & Plastics Footwear | BUY | $36.64 | 60,000 | $2,198,100 | 2,841,108 | +2.2% |
| 2026-05-15 12:59 | 2026-05-14 | ONON | On Holding AG | Coppetti Caspar Felix | Director, Officer - Executive Officer & Co-CEO | Rubber & Plastics Footwear | BUY | $36.64 | 60,000 | $2,198,100 | 2,375,855 | +2.6% |
| 2026-05-15 13:00 | 2026-05-14 | ONON | On Holding AG | Bernhard Olivier | Director, Officer - Executive Officer | Rubber & Plastics Footwear | BUY | $36.64 | 60,000 | $2,198,100 | 5,163,184 | +1.2% |
| 2026-05-15 00:19 | 2026-05-12 | ALKT | ALKAMI TECHNOLOGY, INC. | GENERAL ATLANTIC, L.P. | Director, 10% owner | Services-Prepackaged Software | BUY | $16.67 | 1,975,000 | $32,929,768 | 19,420,994 | +11.3% |
| 2026-05-15 00:21 | 2026-05-12 | ALKT | ALKAMI TECHNOLOGY, INC. | GENERAL ATLANTIC GENPAR (BERMUDA), L.P. | Director, 10% owner | Services-Prepackaged Software | BUY | $16.67 | 1,975,000 | $32,929,768 | 19,420,994 | +11.3% |
| 2026-05-14 23:58 | 2026-05-12 | BH | Biglari Holdings Inc. | BIGLARI, SARDAR | Director, Officer, 10% owner - Chairman and CEO | Retail-Eating Places | BUY | $255.15 | 52,674 | $13,439,603 | 1,398,104 | +3.9% |
| 2026-05-14 23:41 | 2026-05-12 | UA | Under Armour, Inc. | WATSA V PREM ET AL | 10% owner | Apparel & Other Finishd Prods of Fabrics & Similar Matl | BUY | $4.98 | 1,178,344 | $5,869,096 | 44,179,216 | +2.7% |
| 2026-05-14 22:00 | 2026-05-12 | JYNT | JOINT Corp | JOBSON CHARLES E | 10% owner | Patent Owners & Lessors | BUY | $8.57 | 148,051 | $1,268,797 | 1,793,854 | +9.0% |
| 2026-05-14 21:39 | 2026-05-12 | PFX | PhenixFIN Corp | Lorber David A | Director, Officer, 10% owner - CHAIRMAN AND CEO | Other | BUY | $39.95 | 42,065 | $1,680,497 | 245,198 | +20.7% |
| 2026-05-14 21:41 | 2026-05-13 | LODE | Comstock Inc. | Pei Steven Yu-Tsung | Director | Industrial Organic Chemicals | BUY | $3.38 | 424,559 | $1,436,877 | 1,530,980 | +38.4% |
| 2026-05-14 21:16 | 2026-05-12 | AAT | American Assets Trust, Inc. | RADY ERNEST S | Director, Officer, 10% owner - Executive Chairman | Real Estate Investment Trusts | BUY | $21.04 | 170,640 | $3,589,822 | 1,179,661 | +16.9% |
| 2026-05-14 20:04 | 2026-05-13 | POOL | POOL CORP | PEREZ DE LA MESA MANUEL J | Director | Wholesale-Misc Durable Goods | BUY | $175.95 | 10,000 | $1,759,471 | 40,108 | +33.2% |
| 2026-05-14 17:59 | 2026-05-12 | N/A | NC SLF Inc. | UAW Chrysler Retirees Medical Benefits Plan | 10% owner | Other | BUY | $9.66 | 1,024,948 | $9,900,998 | 34,692,199 | +3.0% |
| 2026-05-14 12:24 | 2026-05-13 | UPST | Upstart Holdings, Inc. | Gu Paul | Director, Officer - Chief Executive Officer | Finance Services | BUY | $27.50 | 50,000 | $1,375,000 | 70,000 | +250.0% |
| 2026-05-14 11:29 | 2026-05-13 | FCN | FTI CONSULTING, INC | Gunby Steven Henry | Director, Officer - CEO, Chairman and President | Services-Management Consulting Services | BUY | $144.17 | 10,000 | $1,441,708 | 326,984 | +3.2% |
| 2026-05-13 20:08 | 2026-05-12 | KHC | Kraft Heinz Co | CAHILLANE STEVEN A | Director, Officer - Chief Executive Officer | Canned, Frozen & Preservd Fruit, Veg & Food Specialties | BUY | $23.46 | 213,106 | $4,999,808 | 635,160 | +50.5% |
| 2026-05-14 00:55 | 2026-05-11 | RSG | REPUBLIC SERVICES, INC. | CASCADE INVESTMENT, L.L.C. | 10% owner | Refuse Systems | BUY | $201.40 | 499,150 | $100,528,311 | 110,315,982 | +0.5% |
| 2026-05-14 00:19 | 2026-05-11 | BLND | Blend Labs, Inc. | Haveli Investments, L.P. | Director, 10% owner | Services-Computer Programming, Data Processing, Etc. | BUY | $1.43 | 1,951,635 | $2,789,667 | 12,800,508 | +18.0% |
| 2026-05-13 22:55 | 2025-09-30 | N/A | Stone Point Credit Corp | SPC Field Partners LLC | 10% owner | Other | BUY | $19.84 | 1,097,839 | $21,779,469 | 11,375,438 | +10.7% |
| 2026-05-13 22:15 | 2026-05-11 | PFLEX | PIMCO Flexible Credit Income Fund | MITTAL MOHIT | Other | Other | BUY | $6.86 | 291,538 | $1,999,950 | 291,538 | +100.0% |
| 2026-05-13 21:45 | 2026-05-11 | ARTV | Artiva Biotherapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Director, 10% owner | Biological Products, (No Diagnostic Substances) | BUY | $11.52 | 6,510,416 | $74,999,992 | 15,203,995 | +74.9% |
| 2026-05-13 21:10 | 2026-05-11 | ODTX | Odyssey Therapeutics, Inc. | TPG GP A, LLC | Other | Biological Products, (No Diagnostic Substances) | BUY | $18.00 | 1,388,889 | $25,000,002 | 3,690,146 | +60.4% |
| 2026-05-13 21:03 | 2026-05-11 | NOMD | Nomad Foods Ltd | Gottesman Noam | Director, Other | Food and Kindred Products | BUY | $9.47 | 700,000 | $6,632,430 | 7,408,560 | +10.4% |
| 2026-05-13 20:30 | 2026-05-13 | TKO | TKO Group Holdings, Inc. | SHAPIRO MARK S | Director, Officer - See Remarks | Services-Amusement & Recreation Services | BUY | $185.05 | 10,807 | $1,999,869 | 129,207 | +9.1% |
| 2026-05-13 20:31 | 2026-05-11 | VRDN | Viridian Therapeutics, Inc.\DE | Fairmount Funds Management LLC | Director, 10% owner | Pharmaceutical Preparations | BUY | $17.00 | 1,176,470 | $19,999,990 | 5,090,928 | +30.1% |
| 2026-05-13 20:32 | 2026-05-13 | TKO | TKO Group Holdings, Inc. | Emanuel Ariel | Director, Officer - Chief Executive Officer | Services-Amusement & Recreation Services | BUY | $185.09 | 10,805 | $1,999,875 | 154,655 | +7.5% |
| 2026-05-13 14:03 | 2026-05-12 | WCN | Waste Connections, Inc. | MITTELSTAEDT RONALD J | Director, Officer - President & CEO | Refuse Systems | BUY | $152.24 | 50,000 | $7,611,750 | 301,017 | +19.9% |
| 2026-05-13 14:03 | 2026-05-11 | MRP | Millrose Properties, Inc. | Richman Darren | Officer - See Remarks | Real Estate | BUY | $27.31 | 235,000 | $6,418,320 | 84,000 | +100.0% |
| 2026-05-13 12:45 | 2026-05-11 | FOUR | Shift4 Payments, Inc. | Isaacman Jared | 10% owner | Services-Business Services, NEC | BUY | $41.04 | 388,500 | $15,943,108 | 1,787,455 | +27.8% |
| 2026-05-13 11:30 | 2026-05-06 | COE | 51Talk Online Education Group | Huang Jack Jiajia | Director, Officer, 10% owner - Chief Executive Officer | Services-Educational Services | BUY | $24.48 | 119,400 | $2,922,709 | 26,229,000 | +0.5% |
| 2026-05-12 21:20 | 2026-05-08 | AXIA | AXIA Energia S.A. | Batista de Lima Filho Pedro | Director | Electric Services | BUY | $11.90 | 3,656,500 | $43,515,275 | 4,562,877 | +403.4% |
| 2026-05-12 20:12 | 2026-05-12 | HUBS | HUBSPOT INC | Shah Dharmesh | Director, Officer - Chief Technology Officer | Services-Prepackaged Software | BUY | $181.37 | 10,000 | $1,813,700 | 1,295,400 | +0.8% |
| 2026-05-13 00:28 | 2026-02-12 | APC | ARKO Petroleum Corp. | Blackstone Holdings I L.P. | 10% owner | Wholesale-Petroleum & Petroleum Products (No Bulk Stations) | BUY | $17.66 | 100,000 | $1,766,000 | 150,000 | +200.0% |
| 2026-05-13 00:32 | 2026-05-12 | FCNCA | FIRST CITIZENS BANCSHARES INC /DE/ | HOLDING FRANK B JR | Director, Officer, 10% owner - Chairman and CEO | State Commercial Banks | BUY | $1,726.82 | 5,940 | $10,257,311 | 38,111 | +18.5% |
| 2026-05-12 21:37 | 2026-05-08 | ODTX | Odyssey Therapeutics, Inc. | Dimension Capital II, L.P. | Director | Biological Products, (No Diagnostic Substances) | BUY | $18.00 | 1,111,111 | $19,999,998 | 3,333,516 | +50.0% |
| 2026-05-12 20:17 | 2026-05-11 | MOBI | Mobia Medical, Inc. | Osage University GP III, LLC | 10% owner | Surgical & Medical Instruments & Apparatus | BUY | $15.00 | 533,333 | $7,999,995 | 1,404,183 | +61.2% |
| 2026-05-12 01:36 | 2026-05-11 | MOBI | Mobia Medical, Inc. | Lucchese Cynthia L | Director | Surgical & Medical Instruments & Apparatus | BUY | $15.00 | 125,000 | $1,875,000 | 125,000 | +100.0% |
| 2026-05-12 01:36 | 2026-05-11 | MOBI | Mobia Medical, Inc. | HARRINGTON WILLIAM T | Director, 10% owner | Surgical & Medical Instruments & Apparatus | BUY | $15.00 | 533,333 | $7,999,995 | 1,404,183 | +61.2% |
| 2026-05-12 01:21 | 2026-05-07 | WGS | GeneDx Holdings Corp. | Meister Keith A. | Director, 10% owner | Services-Health Services | BUY | $38.84 | 1,205,147 | $46,806,704 | 4,433,297 | +37.3% |
| 2026-05-12 01:11 | 2026-05-11 | ODTX | Odyssey Therapeutics, Inc. | SR ONE CAPITAL MANAGEMENT, LLC | 10% owner | Biological Products, (No Diagnostic Substances) | BUY | $18.00 | 555,555 | $9,999,990 | 1,014,851 | +121.0% |
| 2026-05-12 00:30 | 2026-05-11 | ODTX | Odyssey Therapeutics, Inc. | Li Nan (LN) | Director | Biological Products, (No Diagnostic Substances) | BUY | $18.00 | 1,111,111 | $19,999,998 | 3,333,516 | +50.0% |
| 2026-05-11 22:52 | 2026-05-11 | PLSE | PULSE BIOSCIENCES, INC. | DUGGAN ROBERT W | Director, 10% owner | Surgical & Medical Instruments & Apparatus | BUY | $19.69 | 660,233 | $12,999,988 | 48,211,433 | +1.4% |
| 2026-05-11 21:38 | 2026-05-07 | TXO | TXO Partners, L.P. | SIMPSON BOB R | Director, 10% owner | Crude Petroleum & Natural Gas | BUY | $12.61 | 750,000 | $9,456,525 | 7,500,000 | +11.1% |
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.