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, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021-05-17 14:00 | 2021-05-13 | ELOX | N/A | Kariv Tomer | Director | Other | BUY | $1.35 | 5,925,925 | $7,999,999 | 616,592 | +100.0% |
| 2021-05-14 21:56 | 2021-05-12 | PFSI | PennyMac Financial Services, Inc. | MFN Partners, LP | Director | Mortgage Bankers & Loan Correspondents | BUY | $57.84 | 369,324 | $21,362,106 | 2,176,722 | +20.4% |
| 2021-05-15 00:11 | 2021-05-13 | N/A | N/A | Packer Craig | Director, Officer - CEO and President | Other | BUY | $14.74 | 367,880 | $5,422,551 | 1,588,104 | +30.1% |
| 2021-05-15 01:14 | 2021-05-12 | CRN | Coronado Global Resources Inc. | Coronado Group LLC | 10% owner | Silver Ores | BUY | $3.47 | 7,198,036 | $24,977,186 | 84,506,140 | +9.3% |
| 2021-05-14 22:01 | 2021-05-12 | PFSI | PennyMac Financial Services, Inc. | NANJI FARHAD | Director | Mortgage Bankers & Loan Correspondents | BUY | $57.84 | 369,324 | $21,362,106 | 2,176,722 | +20.4% |
| 2021-05-15 00:10 | 2021-05-13 | N/A | N/A | Kirshenbaum Alan | Director, Officer - COO | Other | BUY | $14.74 | 367,880 | $5,422,551 | 1,588,104 | +30.1% |
| 2021-05-14 23:37 | 2021-05-12 | SMMT | Summit Therapeutics Inc. | Zanganeh Maky | Director, Officer - Chief Operating Officer | Pharmaceutical Preparations | BUY | $5.24 | 389,077 | $2,038,763 | 2,643,319 | +17.3% |
| 2021-05-14 23:47 | 2021-05-13 | RADI | N/A | Centerbridge Partners Real Estate Fund, L.P. | 10% owner | Other | BUY | $13.95 | 925,000 | $12,903,750 | 4,916,250 | +23.2% |
| 2021-05-15 00:12 | 2021-05-13 | N/A | N/A | Ostrover Douglas I | Director | Other | BUY | $14.74 | 367,880 | $5,422,551 | 1,588,104 | +30.1% |
| 2021-05-15 00:01 | 2021-05-12 | RADI | N/A | DKLDO V TRADING SUBSIDIARY LP | 10% owner | Other | BUY | $13.95 | 925,000 | $12,903,750 | 8,506,530 | +12.2% |
| 2021-05-14 23:16 | 2021-05-12 | UNVR | N/A | ALEXOS NICHOLAS W | Officer - EVP, CFO | Other | BUY | $25.76 | 100,000 | $2,576,000 | 350,000 | +40.0% |
| 2021-05-14 23:39 | 2021-05-12 | SMMT | Summit Therapeutics Inc. | DUGGAN ROBERT W | Director, Officer, 10% owner - Chief Executive Officer | Pharmaceutical Preparations | BUY | $5.24 | 11,365,921 | $59,557,426 | 67,662,454 | +20.2% |
| 2021-05-14 00:41 | 2020-07-31 | VERX | Vertex, Inc. | Radcliffe Amanda Westphal | Director | Services-Prepackaged Software | BUY | $19.00 | 84,210 | $1,599,990 | 92,105 | +1,066.6% |
| 2021-05-13 23:49 | 2021-03-23 | TELA | TELA Bio, Inc. | EW HEALTHCARE PARTNERS FUND 2, L.P. | Other | Surgical & Medical Instruments & Apparatus | BUY | $13.20 | 125,977 | $1,663,501 | 1,650,555 | +8.3% |
| 2021-05-14 00:04 | 2021-05-12 | CAR | AVIS BUDGET GROUP, INC. | Hees Bernardo | Director, Officer - Executive Chairman | Services-Auto Rental & Leasing (No Drivers) | BUY | $79.39 | 63,000 | $5,001,847 | 493,669 | +14.6% |
| 2021-05-14 02:16 | 2021-05-11 | BH | Biglari Holdings Inc. | BIGLARI, SARDAR | Director, Officer, 10% owner - Chairman and CEO | Retail-Eating Places | BUY | $170.69 | 20,000 | $3,413,846 | 837,559 | +2.4% |
| 2021-05-14 00:59 | 2021-05-11 | ET | Energy Transfer LP | Washburne Ray W | Director | Natural Gas Transmission | BUY | $9.53 | 200,000 | $1,905,300 | 200,000 | +100.0% |
| 2021-05-14 01:47 | 2021-05-13 | CNP | CENTERPOINT ENERGY INC | LESAR DAVID J | Director, Officer - President & CEO | Electric Services | BUY | $23.58 | 50,000 | $1,179,000 | 329,722 | +17.9% |
| 2021-05-12 21:58 | 2021-05-10 | PFSI | PennyMac Financial Services, Inc. | MFN Partners, LP | Director | Mortgage Bankers & Loan Correspondents | BUY | $57.93 | 298,655 | $17,302,518 | 1,807,398 | +19.8% |
| 2021-05-12 22:04 | 2021-05-10 | PFSI | PennyMac Financial Services, Inc. | NANJI FARHAD | Director | Mortgage Bankers & Loan Correspondents | BUY | $57.93 | 298,655 | $17,302,518 | 1,807,398 | +19.8% |
| 2021-05-13 03:07 | 2021-05-12 | AMH | American Homes 4 Rent | HUGHES B WAYNE ET AL | 10% owner | Real Estate Investment Trusts | BUY | $36.93 | 54,000 | $1,994,220 | 17,009,407 | +0.3% |
| 2021-05-12 23:15 | 2021-05-11 | DOOR | N/A | Chuang John H. | Director | Other | BUY | $124.66 | 10,000 | $1,246,575 | 10,000 | +100.0% |
| 2021-05-13 00:25 | 2021-05-10 | ATEC | Alphatec Holdings, Inc. | Pelizzon David R | Director, 10% owner | Surgical & Medical Instruments & Apparatus | BUY | $15.25 | 120,000 | $1,830,000 | 268,837 | +80.6% |
| 2021-05-12 23:54 | 2021-05-10 | AAT | American Assets Trust, Inc. | RADY ERNEST S | Director, Officer, 10% owner - Chairman, CEO & President | Real Estate Investment Trusts | BUY | $34.39 | 56,226 | $1,933,882 | 6,226,498 | +0.9% |
| 2021-05-11 20:59 | 2021-05-07 | MAQCU | N/A | Maquia Investments North America, LLC | 10% owner | Other | BUY | $10.00 | 551,000 | $5,510,000 | 551,000 | +100.0% |
| 2021-05-12 03:29 | 2021-05-11 | TALS | N/A | Agarwala Sandip | Director, 10% owner | Other | BUY | $17.00 | 235,000 | $3,995,000 | 3,220,775 | +7.9% |
| 2021-05-11 16:30 | 2021-05-07 | N/A | N/A | Golub Lawrence E | Director, Officer - Chairman | Other | BUY | $15.00 | 76,702 | $1,150,525 | 847,929 | +9.9% |
| 2021-05-11 16:32 | 2021-05-07 | N/A | N/A | Golub David | Director, Officer - President and CEO | Other | BUY | $15.00 | 76,702 | $1,150,525 | 847,929 | +9.9% |
| 2021-05-12 03:29 | 2021-05-11 | TALS | N/A | Longitude Capital Partners III, LLC | 10% owner | Other | BUY | $17.00 | 235,000 | $3,995,000 | 3,220,775 | +7.9% |
| 2021-05-12 04:17 | 2021-05-07 | BLDE | Strata Critical Medical, Inc. | Experience Sponsor LLC | 10% owner | Services-Health Services | BUY | $10.00 | 2,005,000 | $20,050,000 | 2,005,000 | +100.0% |
| 2021-05-10 23:00 | 2021-05-06 | SNOW | Snowflake Inc. | ICONIQ Strategic Partners V, L.P. | 10% owner | Services-Prepackaged Software | BUY | $196.91 | 126,963 | $24,999,802 | 311,657 | +68.7% |
| 2021-05-11 00:00 | 2021-05-06 | FSLY | Fastly, Inc. | Abdiel Capital Management, LLC | 10% owner | Services-Prepackaged Software | BUY | $42.58 | 520,000 | $22,143,524 | 11,869,869 | +4.6% |
| 2021-05-11 01:13 | 2021-05-06 | EXTN | N/A | CHAI TRUST CO LLC | 10% owner | Other | BUY | $3.92 | 1,000,000 | $3,916,900 | 4,618,973 | +27.6% |
| 2021-05-11 02:05 | 2021-05-06 | ATVI | N/A | NOLAN PETER J | Director | Other | BUY | $95.07 | 20,000 | $1,901,480 | 74,792 | +36.5% |
| 2021-05-11 01:05 | 2021-04-28 | AMEH | Astrana Health, Inc. | ALLIED PHYSICIANS OF CALIFORNIA, A PROFESSION MEDICAL Corp | 10% owner | Services-Management Consulting Services | BUY | $24.50 | 100,000 | $2,450,000 | 10,887,594 | +0.9% |
| 2021-05-07 23:06 | 2019-05-17 | AVTR | Avantor, Inc. | Natauri Jo | Director | Laboratory Analytical Instruments | BUY | $16.33 | 320,827 | $5,240,356 | 72,630,004 | +0.4% |
| 2021-05-07 23:05 | 2019-05-17 | AVTR | Avantor, Inc. | Connolly Thomas | Director | Laboratory Analytical Instruments | BUY | $16.33 | 320,827 | $5,240,356 | 72,630,004 | +0.4% |
| 2021-05-07 21:33 | 2019-11-08 | CCAP | Crescent Capital BDC, Inc. | FIDELITY & GUARANTY LIFE INSURANCE CO | 10% owner | Other | BUY | $19.55 | 740,498 | $14,478,074 | 4,205,307 | +21.4% |
| 2021-05-07 23:05 | 2019-05-17 | AVTR | Avantor, Inc. | GOLDMAN SACHS & CO. LLC | 10% owner | Laboratory Analytical Instruments | BUY | $16.33 | 320,827 | $5,240,356 | 72,630,004 | +0.4% |
| 2021-05-07 23:15 | 2021-05-05 | LGF-B | STARZ ENTERTAINMENT CORP /CN/ | Crawford Gordon | Director | Services-Motion Picture & Video Tape Production | BUY | $13.22 | 82,090 | $1,085,402 | 904,638 | +10.0% |
| 2021-05-07 22:23 | 2021-05-05 | ESPR | Esperion Therapeutics, Inc. | BIOTECH TARGET N V | 10% owner | Pharmaceutical Preparations | BUY | $20.21 | 230,000 | $4,648,484 | 4,177,964 | +5.8% |
| 2021-05-07 23:47 | 2021-05-06 | AAT | American Assets Trust, Inc. | RADY ERNEST S | Director, Officer, 10% owner - Chairman, CEO & President | Real Estate Investment Trusts | BUY | $34.90 | 30,872 | $1,077,430 | 6,170,272 | +0.5% |
| 2021-05-06 23:25 | 2021-05-04 | VACC | Barinthus Biotherapeutics plc. | Oxford Sciences Innovation plc | 10% owner | Pharmaceutical Preparations | BUY | $17.00 | 600,000 | $10,200,000 | 8,797,770 | +7.3% |
| 2021-05-07 04:27 | 2021-05-04 | CYCN | Cyclerion Therapeutics, Inc. | Hecht Peter M | Director, Officer - Chief Executive Officer | Pharmaceutical Preparations | BUY | $2.43 | 698,001 | $1,693,909 | 922,528 | +310.9% |
| 2021-05-06 23:20 | 2021-05-04 | HOWL | Werewolf Therapeutics, Inc. | MPM BioVentures 2014, L.P. | 10% owner | Pharmaceutical Preparations | BUY | $16.00 | 125,759 | $2,012,144 | 3,187,998 | +4.1% |
| 2021-05-07 01:22 | 2021-05-04 | TRUP | TRUPANION, INC. | Ferracone Robin A | Director | Hospital & Medical Service Plans | BUY | $79.60 | 18,000 | $1,432,773 | 6,000 | +100.0% |
| 2021-05-06 23:31 | 2021-05-04 | HOWL | Werewolf Therapeutics, Inc. | RA CAPITAL MANAGEMENT, L.P. | Director, 10% owner | Pharmaceutical Preparations | BUY | $16.00 | 1,715,000 | $27,440,000 | 443,825 | +100.0% |
| 2021-05-06 23:19 | 2021-05-04 | HOWL | Werewolf Therapeutics, Inc. | EVNIN LUKE | Director, 10% owner | Pharmaceutical Preparations | BUY | $16.00 | 150,799 | $2,412,784 | 4,284,172 | +3.6% |
| 2021-05-06 23:19 | 2021-05-04 | HOWL | Werewolf Therapeutics, Inc. | GADICKE ANSBERT | 10% owner | Pharmaceutical Preparations | BUY | $16.00 | 245,000 | $3,920,000 | 6,672,183 | +3.8% |
| 2021-05-06 04:53 | 2021-05-03 | TUGC | SAIHEAT Ltd | Li Jianwei | Director, Officer, 10% owner - Chief Financial Officer | Finance Services | BUY | $10.00 | 215,000 | $2,150,000 | 215,000 | +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.