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, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017-07-28 00:23 | 2017-07-25 | KALA | KALA BIO, Inc. | Longitude Capital Partners II, LLC | 10% owner | Pharmaceutical Preparations | BUY | $15.00 | 215,000 | $3,225,000 | 2,270,946 | +10.5% |
| 2017-07-27 23:45 | 2017-07-25 | APO | Apollo Global Management Inc. | TIGER GLOBAL MANAGEMENT LLC | 10% owner | Investment Advice | BUY | $27.96 | 56,200 | $1,571,369 | 33,452,809 | +0.2% |
| 2017-07-28 02:17 | 2017-07-25 | KALA | KALA BIO, Inc. | ORBIMED ADVISORS LLC | 10% owner, Other | Pharmaceutical Preparations | BUY | $15.00 | 319,333 | $4,789,995 | 2,375,279 | +15.5% |
| 2017-07-26 17:49 | 2017-07-25 | IFF | INTERNATIONAL FLAVORS & FRAGRANCES INC | Winder Investment Pte Ltd | 10% owner | Industrial Organic Chemicals | BUY | $133.74 | 40,000 | $5,349,764 | 9,501,793 | +0.4% |
| 2017-07-27 01:30 | 2017-07-26 | RBB | RBB Bancorp | Thian Yee Phong | Officer - President/CEO | State Commercial Banks | BUY | $23.00 | 100,000 | $2,300,000 | 331,577 | +43.2% |
| 2017-07-27 01:30 | 2017-07-26 | RBB | RBB Bancorp | Lin Ko-Yen | Director | State Commercial Banks | BUY | $23.00 | 55,000 | $1,265,000 | 73,289 | +300.7% |
| 2017-07-27 01:29 | 2017-07-26 | RBB | RBB Bancorp | Lin Feng | Director | State Commercial Banks | BUY | $23.00 | 55,000 | $1,265,000 | 483,125 | +12.8% |
| 2017-07-27 01:29 | 2017-07-26 | RBB | RBB Bancorp | Kao Ruey Chyr | Director | State Commercial Banks | BUY | $23.00 | 85,000 | $1,955,000 | 565,055 | +17.7% |
| 2017-07-27 01:28 | 2017-07-26 | RBB | RBB Bancorp | Kao James | Director | State Commercial Banks | BUY | $23.00 | 85,000 | $1,955,000 | 506,939 | +20.1% |
| 2017-07-27 01:27 | 2017-07-26 | RBB | RBB Bancorp | Chang Peter M | Director | State Commercial Banks | BUY | $23.00 | 75,000 | $1,725,000 | 326,652 | +29.8% |
| 2017-07-26 23:31 | 2017-07-25 | KALA | KALA BIO, Inc. | Grunberg Gregory | Director | Pharmaceutical Preparations | BUY | $15.00 | 215,000 | $3,225,000 | 2,270,946 | +10.5% |
| 2017-07-26 23:31 | 2017-07-25 | KALA | KALA BIO, Inc. | Shah Rajeev M. | Director | Pharmaceutical Preparations | BUY | $15.00 | 533,333 | $7,999,995 | 2,113,236 | +33.8% |
| 2017-07-26 23:44 | 2017-07-25 | KALA | KALA BIO, Inc. | RA CAPITAL MANAGEMENT, LLC | Director | Pharmaceutical Preparations | BUY | $15.00 | 533,333 | $7,999,995 | 2,113,236 | +33.8% |
| 2017-07-27 02:27 | 2017-07-25 | APEN | N/A | PTV SCIENCES II L P | 10% owner | Other | BUY | $5.50 | 1,090,909 | $6,000,000 | 5,243,372 | +26.3% |
| 2017-07-27 01:39 | 2017-07-25 | APEN | N/A | Anderson Rick D | Director, 10% owner | Other | BUY | $5.50 | 1,136,363 | $6,249,997 | 1,090,909 | +100.0% |
| 2017-07-27 01:38 | 2017-07-25 | APEN | N/A | Crawford Matthew S | Director, 10% owner | Other | BUY | $5.50 | 1,136,363 | $6,249,997 | 1,090,909 | +100.0% |
| 2017-07-27 01:02 | 2017-07-25 | APEN | N/A | McGaughy R Kent Jr | Director | Other | BUY | $5.50 | 454,545 | $2,499,998 | 469,100 | +3,122.9% |
| 2017-07-27 03:30 | 2017-07-24 | LE | LANDS' END, INC. | LAMPERT EDWARD S | 10% owner | Retail-Family Clothing Stores | BUY | $13.39 | 1,783,024 | $23,874,156 | 14,506,860 | +14.0% |
| 2017-07-27 00:40 | 2017-07-24 | CABO | Cable One, Inc. | GRAHAM DONALD | 10% owner | Cable & Other Pay Television Services | BUY | $742.52 | 24,561 | $18,237,034 | 271,546 | +9.9% |
| 2017-07-25 16:38 | 2017-07-24 | IFF | INTERNATIONAL FLAVORS & FRAGRANCES INC | Winder Investment Pte Ltd | 10% owner | Industrial Organic Chemicals | BUY | $132.30 | 40,000 | $5,292,196 | 9,461,793 | +0.4% |
| 2017-07-26 00:25 | 2017-07-21 | VNOM | N/A | Diamondback Energy, Inc. | 10% owner, Other | Other | BUY | $14.38 | 700,000 | $10,066,840 | 73,150,000 | +1.0% |
| 2017-07-25 23:47 | 2017-07-21 | APO | Apollo Global Management Inc. | TIGER GLOBAL MANAGEMENT LLC | 10% owner | Investment Advice | BUY | $27.93 | 261,429 | $7,300,692 | 33,396,609 | +0.8% |
| 2017-07-26 00:16 | 2017-07-20 | NAV | NAVISTAR INTERNATIONAL CORP | Volkswagen Truck & Bus GmbH | 10% owner | Motor Vehicles & Passenger Car Bodies | BUY | $29.28 | 106,262 | $3,111,840 | 16,506,300 | +0.6% |
| 2017-07-26 00:37 | 2017-07-24 | NAC | Nuveen California Quality Municipal Income Fund | BARCLAYS PLC | 10% owner | Other | BUY | $100,000.00 | 50 | $5,000,000 | 1,091 | +4.8% |
| 2017-07-25 23:15 | 2017-07-21 | ELS | EQUITY LIFESTYLE PROPERTIES INC | ZELL SAMUEL | Director, Officer - Chairman of the Board | Real Estate Investment Trusts | BUY | $87.43 | 805,333 | $70,410,264 | 805,333 | +100.0% |
| 2017-07-24 22:40 | 2017-07-21 | N-A | N/A | STRS OHIO | 10% owner | Other | BUY | $15.00 | 400,000 | $6,000,000 | 13,749,850 | +3.0% |
| 2017-07-24 23:47 | 2017-07-21 | ARCK | N/A | Kasturi Seenu G. | Director, Officer - President and CFO | Other | BUY | $117,500.00 | 235,295 | $27,647,162,500 | 680,152 | +52.9% |
| 2017-07-24 23:20 | 2017-07-21 | CSX | CSX CORP | Mantle Ridge LP | Director | Railroads, Line-Haul Operating | BUY | $51.59 | 1,357,000 | $70,007,630 | 42,762,360 | +3.3% |
| 2017-07-25 01:50 | 2017-07-21 | N/A | N/A | Golub Lawrence E | Director, Officer - Chairman | Other | BUY | $15.00 | 67,354 | $1,010,303 | 1,282,699 | +5.5% |
| 2017-07-25 01:50 | 2017-07-21 | N/A | N/A | Golub David | Director, Officer - President and CEO | Other | BUY | $15.00 | 67,354 | $1,010,303 | 1,282,699 | +5.5% |
| 2017-07-25 01:24 | 2017-07-20 | VIRT | Virtu Financial, Inc. | Temasek Holdings (Private) Ltd | 10% owner | Security Brokers, Dealers & Flotation Companies | BUY | $15.60 | 6,346,155 | $99,000,018 | 18,663,837 | +51.5% |
| 2017-07-21 23:04 | 2017-07-19 | AKCA | N/A | IONIS PHARMACEUTICALS INC | 10% owner | Other | BUY | $8.00 | 3,125,000 | $25,000,000 | 45,447,879 | +7.4% |
| 2017-07-21 23:31 | 2017-07-19 | TTS | TILE SHOP HOLDINGS, INC. | KAMIN PETER H | Director | Retail-Home Furniture, Furnishings & Equipment Stores | BUY | $14.43 | 159,000 | $2,293,718 | 167,381 | +1,897.1% |
| 2017-07-21 17:57 | 2017-07-20 | N/A | N/A | Grunewald Robert | Director, Officer, Other - Chief Executive Officer | Other | BUY | $20.00 | 67,500 | $1,350,000 | 120,000 | +128.6% |
| 2017-07-21 22:58 | 2017-07-20 | KALA | KALA BIO, Inc. | CDK ASSOCIATES, L.L.C. | 10% owner | Pharmaceutical Preparations | BUY | $15.00 | 215,000 | $3,225,000 | 763,755 | +39.2% |
| 2017-07-21 23:54 | 2017-07-19 | APO | Apollo Global Management Inc. | TIGER GLOBAL MANAGEMENT LLC | 10% owner | Investment Advice | BUY | $27.68 | 249,968 | $6,918,864 | 33,135,180 | +0.8% |
| 2017-07-22 00:37 | 2017-07-19 | CYCC | Bio Green Med Solution, Inc. | Eastern Capital LTD | 10% owner | Pharmaceutical Preparations | BUY | $2.00 | 850,000 | $1,700,000 | 2,167,261 | +64.5% |
| 2017-07-22 02:30 | 2017-07-19 | LE | LANDS' END, INC. | LAMPERT EDWARD S | 10% owner | Retail-Family Clothing Stores | BUY | $13.44 | 128,534 | $1,727,523 | 12,723,836 | +1.0% |
| 2017-07-22 00:05 | 2017-07-19 | SANW | S&W Seed Company | WYNNEFIELD PARTNERS SMALL CAP VALUE LP | 10% owner | Agricultural Production-Crops | BUY | $4.00 | 750,000 | $3,000,000 | 2,722,956 | +38.0% |
| 2017-07-21 04:44 | 2017-07-18 | SKIS | N/A | CAP 1 LLC | 10% owner | Other | BUY | $5.12 | 417,400 | $2,136,170 | 100,000 | +100.0% |
| 2017-07-21 01:07 | 2017-07-20 | KALA | KALA BIO, Inc. | CDK ASSOCIATES, L.L.C. | 10% owner | Pharmaceutical Preparations | BUY | $15.00 | 215,000 | $3,225,000 | 215,000 | +100.0% |
| 2017-07-21 02:45 | 2017-07-17 | NAV | NAVISTAR INTERNATIONAL CORP | Volkswagen Truck & Bus GmbH | 10% owner | Motor Vehicles & Passenger Car Bodies | BUY | $29.18 | 158,026 | $4,611,610 | 16,400,038 | +1.0% |
| 2017-07-20 00:56 | 2017-07-18 | IFF | INTERNATIONAL FLAVORS & FRAGRANCES INC | Winder Investment Pte Ltd | 10% owner | Industrial Organic Chemicals | BUY | $134.96 | 28,000 | $3,778,760 | 9,421,793 | +0.3% |
| 2017-07-18 23:52 | 2017-07-17 | IFF | INTERNATIONAL FLAVORS & FRAGRANCES INC | Winder Investment Pte Ltd | 10% owner | Industrial Organic Chemicals | BUY | $133.94 | 23,000 | $3,080,583 | 9,393,793 | +0.2% |
| 2017-07-18 00:15 | 2017-07-14 | IFF | INTERNATIONAL FLAVORS & FRAGRANCES INC | Winder Investment Pte Ltd | 10% owner | Industrial Organic Chemicals | BUY | $133.73 | 40,000 | $5,349,240 | 9,370,793 | +0.4% |
| 2017-07-17 23:45 | 2017-07-13 | MERC | MERCER INTERNATIONAL INC. | KELLOGG PETER R | 10% owner | Pulp Mills | BUY | $11.52 | 93,446 | $1,076,750 | 150,000 | +165.2% |
| 2017-07-18 00:58 | 2017-07-13 | MHH | Mastech Digital, Inc. | TRIVEDI ASHOK | Director, 10% owner | Services-Management Consulting Services | BUY | $7.00 | 428,572 | $3,000,004 | 428,572 | +100.0% |
| 2017-07-18 00:54 | 2017-07-13 | MHH | Mastech Digital, Inc. | WADHWANI SUNIL | Director, 10% owner | Services-Management Consulting Services | BUY | $7.00 | 428,572 | $3,000,004 | 428,572 | +100.0% |
| 2017-07-14 23:42 | 2017-07-13 | IFF | INTERNATIONAL FLAVORS & FRAGRANCES INC | Winder Investment Pte Ltd | 10% owner | Industrial Organic Chemicals | BUY | $132.80 | 40,000 | $5,311,896 | 9,330,793 | +0.4% |
| 2017-07-15 00:27 | 2017-07-12 | KIN | N/A | Park West Asset Management LLC | 10% owner | Other | BUY | $7.50 | 600,000 | $4,500,000 | 5,156,791 | +13.2% |
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.