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, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021-05-06 00:10 | 2021-05-03 | AAT | American Assets Trust, Inc. | RADY ERNEST S | Director, Officer, 10% owner - Chairman, CEO & President | Real Estate Investment Trusts | BUY | $34.64 | 59,947 | $2,076,750 | 6,139,400 | +1.0% |
| 2021-05-04 23:31 | 2021-05-04 | HOWL | Werewolf Therapeutics, Inc. | Taiho Ventures LLC | 10% owner | Pharmaceutical Preparations | BUY | $16.00 | 312,500 | $5,000,000 | 2,068,909 | +17.8% |
| 2021-05-04 23:31 | 2021-05-04 | HOWL | Werewolf Therapeutics, Inc. | Asanuma Sakae | Director, 10% owner | Pharmaceutical Preparations | BUY | $16.00 | 312,500 | $5,000,000 | 2,068,909 | +17.8% |
| 2021-05-04 23:30 | 2021-05-04 | HOWL | Werewolf Therapeutics, Inc. | Lazarus Alon | Director, 10% owner | Pharmaceutical Preparations | BUY | $16.00 | 400,000 | $6,400,000 | 2,046,634 | +24.3% |
| 2021-05-04 23:30 | 2021-05-04 | HOWL | Werewolf Therapeutics, Inc. | Longwood Fund III GP, LLC | 10% owner | Pharmaceutical Preparations | BUY | $16.00 | 250,000 | $4,000,000 | 1,677,082 | +17.5% |
| 2021-05-04 20:21 | 2021-05-04 | HOWL | Werewolf Therapeutics, Inc. | Sphera Global Healthcare Management LP | 10% owner | Pharmaceutical Preparations | BUY | $16.00 | 475,000 | $7,600,000 | 787,997 | +151.8% |
| 2021-05-04 23:51 | 2021-04-30 | ANAB | AnaptysBio Inc. | EcoR1 Capital, LLC | Director, 10% owner | Pharmaceutical Preparations | BUY | $23.24 | 221,500 | $5,147,439 | 7,520,424 | +3.0% |
| 2021-05-04 23:31 | 2021-05-04 | HOWL | Werewolf Therapeutics, Inc. | Arkin Bio Ventures 2 L.P. | 10% owner | Pharmaceutical Preparations | BUY | $16.00 | 400,000 | $6,400,000 | 2,046,634 | +24.3% |
| 2021-05-05 01:29 | 2021-05-04 | APH | Amphenol Corporation | Livingston Robert | Director | Electronic Connectors | BUY | $65.92 | 20,000 | $1,318,474 | 38,666 | +107.1% |
| 2021-05-05 00:55 | 2021-05-03 | ALDX | Aldeyra Therapeutics Inc. | PERCEPTIVE ADVISORS LLC | 10% owner | Pharmaceutical Preparations | BUY | $12.50 | 1,200,000 | $15,000,000 | 9,903,879 | +13.8% |
| 2021-05-04 19:34 | 2021-05-04 | HOWL | Werewolf Therapeutics, Inc. | Flynn James E | 10% owner, Other | Pharmaceutical Preparations | BUY | $16.00 | 800,000 | $12,800,000 | 2,552,787 | +45.6% |
| 2021-05-03 22:20 | 2021-04-30 | VACC | Barinthus Biotherapeutics plc. | M&G INVESTMENT MANAGEMENT LTD | 10% owner | Pharmaceutical Preparations | BUY | $14.40 | 125,000 | $1,800,000 | 1,088,597 | +13.0% |
| 2021-05-03 23:33 | 2021-04-30 | N-A | N/A | Manulife (International) Ltd | 10% owner | Other | BUY | $20.86 | 599,204 | $12,500,004 | 25,955,275 | +2.4% |
| 2021-05-03 23:16 | 2021-04-30 | N-A | N/A | Manufacturers Life Insurance Co (Bermuda Branch) | 10% owner | Other | BUY | $20.86 | 599,204 | $12,500,004 | 9,386,722 | +6.8% |
| 2021-05-04 00:00 | 2021-05-03 | N/A | Blackstone Real Estate Income Trust, Inc. | Agarwal A.J. | Director, Officer - President | Real Estate Investment Trusts | BUY | $11.90 | 84,059 | $1,000,000 | 273,697 | +44.3% |
| 2021-05-03 23:04 | 2021-05-01 | N/A | N/A | Dhanda Rajat | Officer - See Remarks | Other | BUY | $10.20 | 98,009 | $1,000,000 | 98,009 | +100.0% |
| 2021-05-03 23:24 | 2021-04-30 | APAM | Artisan Partners Asset Management Inc. | COXE TENCH | Director | Investment Advice | BUY | $51.06 | 98,000 | $5,004,301 | 98,000 | +100.0% |
| 2021-05-03 23:58 | 2021-04-29 | N-A | Copper Property CTL Pass Through Trust | Silver Point Capital L.P. | 10% owner | Real Estate | BUY | $18.08 | 389,393 | $7,040,225 | 13,485,064 | +3.0% |
| 2021-04-30 23:04 | 2021-04-28 | CLI | Veris Residential, Inc. | KATZ A. AKIVA | Director | Real Estate Investment Trusts | BUY | $16.46 | 200,000 | $3,291,800 | 3,755,436 | +5.6% |
| 2021-05-01 00:59 | 2021-04-30 | NDP | N/A | Aristides Capital LLC | 10% owner | Other | BUY | $18.30 | 193,741 | $3,545,460 | 55,195 | +100.0% |
| 2021-04-29 23:02 | 2021-04-27 | RAIN | N/A | Cormorant Asset Management, LP | Other | Other | BUY | $17.00 | 450,000 | $7,650,000 | 2,776,657 | +19.3% |
| 2021-04-30 04:10 | 2021-04-27 | IMPL | N/A | Vivo Capital VIII, LLC | 10% owner | Other | BUY | $15.00 | 575,000 | $8,625,000 | 349,674 | +100.0% |
| 2021-04-30 01:44 | 2021-04-27 | IMPL | N/A | venBio Global Strategic Fund II L.P. | 10% owner | Other | BUY | $15.00 | 450,000 | $6,750,000 | 2,759,791 | +19.5% |
| 2021-04-30 03:51 | 2021-04-27 | IMPL | N/A | 5AM Ventures V, L.P. | 10% owner | Other | BUY | $15.00 | 575,000 | $8,625,000 | 575,000 | +100.0% |
| 2021-04-29 15:09 | 2021-04-26 | KNBE | N/A | VEPF VII GP, LTD. | 10% owner | Other | BUY | $16.00 | 1,875,000 | $30,000,000 | 1,875,000 | +100.0% |
| 2021-04-29 23:34 | 2021-04-29 | BECN | N/A | CD&R Investment Associates IX, Ltd. | 10% owner | Other | BUY | $53.23 | 563,611 | $29,999,999 | 14,320,972 | +4.1% |
| 2021-04-30 02:45 | 2021-04-27 | IMPL | N/A | Norwest Venture Partners XIV, LP | 10% owner | Other | BUY | $15.00 | 825,000 | $12,375,000 | 3,077,198 | +36.6% |
| 2021-04-30 00:07 | 2021-04-27 | IMPL | N/A | KKR Iris Investors LLC | 10% owner | Other | BUY | $15.00 | 1,100,000 | $16,500,000 | 3,802,638 | +40.7% |
| 2021-04-29 02:18 | 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 | 10,750,961 | +0.9% |
| 2021-04-28 00:09 | 2021-04-23 | RAIN | N/A | Davis Aaron I. | Director, 10% owner | Other | BUY | $16.89 | 1,175,000 | $19,848,218 | 1,175,000 | +100.0% |
| 2021-04-27 15:24 | 2021-04-01 | N-A | N/A | Partners Group Private Equity II, LLC | Other | Other | BUY | $7.21 | 2,772,233 | $20,000,000 | 31,836,902 | +9.5% |
| 2021-04-28 01:23 | 2021-04-23 | ANAB | AnaptysBio Inc. | EcoR1 Capital, LLC | Director, 10% owner | Pharmaceutical Preparations | BUY | $23.63 | 147,300 | $3,480,228 | 7,298,924 | +2.1% |
| 2021-04-28 00:05 | 2021-04-23 | RAIN | N/A | BERGER FRANKLIN M | Director | Other | BUY | $16.95 | 125,000 | $2,118,900 | 125,000 | +100.0% |
| 2021-04-28 02:30 | 2021-04-27 | RAIN | N/A | PERCEPTIVE ADVISORS LLC | 10% owner | Other | BUY | $17.00 | 550,000 | $9,350,000 | 2,537,019 | +27.7% |
| 2021-04-28 00:11 | 2021-04-23 | RAIN | N/A | Boxer Capital, LLC | Director, 10% owner | Other | BUY | $16.89 | 1,175,000 | $19,848,218 | 1,175,000 | +100.0% |
| 2021-04-26 21:12 | 2021-04-16 | ONCS | N/A | China Grand Pharmaceutical & Healthcare Holdings Ltd | 10% owner | Other | BUY | $3.45 | 1,691,806 | $5,836,731 | 3,359,607 | +101.4% |
| 2021-04-26 18:52 | 2021-04-23 | NIHK | Video River Networks, Inc. | Video River Networks, Inc. | Director, Officer, 10% owner - President and CEO | Real Estate | BUY | $4,464.00 | 62,000 | $276,768,000 | 30,961,230 | +0.2% |
| 2021-04-24 02:44 | 2021-04-21 | NPCE | NeuroPace Inc | Accelmed Partners II L.P. | 10% owner | Surgical & Medical Instruments & Apparatus | BUY | $17.00 | 588,235 | $9,999,995 | 588,235 | +100.0% |
| 2021-04-24 02:26 | 2021-04-21 | NPCE | NeuroPace Inc | Norton Evan | Director | Surgical & Medical Instruments & Apparatus | BUY | $17.00 | 588,235 | $9,999,995 | 588,235 | +100.0% |
| 2021-04-23 19:22 | 2021-04-22 | BTCS | BTCS Inc. | Allen Charles W | Director, Officer - CEO, CFO | Finance Services | BUY | $5,700.00 | 7,009 | $39,951,300 | 2,007,009 | +0.4% |
| 2021-04-24 03:32 | 2021-04-21 | NPCE | NeuroPace Inc | ORBIMED ADVISORS LLC | 10% owner | Surgical & Medical Instruments & Apparatus | BUY | $17.00 | 235,000 | $3,995,000 | 235,000 | +100.0% |
| 2021-04-22 23:09 | 2021-04-20 | BMEA | Biomea Fusion, Inc. | Chen Bihua | Director | Pharmaceutical Preparations | BUY | $17.00 | 900,000 | $15,300,000 | 3,170,872 | +39.6% |
| 2021-04-23 03:19 | 2021-04-19 | VPLM | Voip-pal.com Inc | MALAK MAGDI EMIL | Director, Officer - CEO | Telephone & Telegraph Apparatus | BUY | $0.02 | 513,535,229 | $10,784,240 | 159,590,142 | +100.0% |
| 2021-04-23 01:42 | 2021-04-20 | N-A | Copper Property CTL Pass Through Trust | Silver Point Capital L.P. | 10% owner | Real Estate | BUY | $18.40 | 750,000 | $13,800,000 | 13,095,671 | +6.1% |
| 2021-04-23 00:52 | - | TRKA | N/A | Coates Peter | 10% owner | Other | BUY | $4.15 | 722,883 | $2,999,964 | 1,111,883 | +185.8% |
| 2021-04-21 23:20 | 2021-04-19 | GBX | GREENBRIER COMPANIES INC | FURMAN WILLIAM A | Director, Officer - Chairman & CEO | Railroad Equipment | BUY | $43.85 | 50,000 | $2,192,305 | 562,518 | +9.8% |
| 2021-04-22 03:01 | 2021-04-19 | MYF | N/A | TD SECURITIES (USA) LLC | 10% owner | Other | BUY | $100,000.00 | 594 | $59,400,000 | 0 | +100.0% |
| 2021-04-20 23:47 | 2021-04-16 | PHX | N/A | Edenbrook Capital, LLC | 10% owner | Other | BUY | $2.00 | 1,545,597 | $3,091,194 | 4,269,356 | +56.7% |
| 2021-04-21 04:30 | 2021-04-16 | RXRX | RECURSION PHARMACEUTICALS, INC. | Lux Ventures IV, L.P. | 10% owner | Biological Products, (No Diagnostic Substances) | BUY | $18.00 | 100,000 | $1,800,000 | 100,000 | +100.0% |
| 2021-04-21 00:06 | 2021-04-16 | RXRX | RECURSION PHARMACEUTICALS, INC. | Mubadala Investment Co PJSC | 10% owner | Biological Products, (No Diagnostic Substances) | BUY | $18.00 | 2,777,777 | $49,999,986 | 2,777,777 | +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.