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, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011-08-25 00:11 | 2011-08-22 | PCYC | N/A | Baker Brothers Life Sciences Capital (GP), LLC | 10% owner | Other | BUY | $9.96 | 287,264 | $2,861,264 | 6,813,790 | +4.4% |
| 2011-08-24 16:34 | 2011-08-23 | PAA | PLAINS ALL AMERICAN PIPELINE LP | RAYMOND JOHN T | Director | Pipe Lines (No Natural Gas) | BUY | $59.30 | 65,108 | $3,860,904 | 699,704 | +10.3% |
| 2011-08-24 23:21 | 2011-08-22 | RSG | REPUBLIC SERVICES, INC. | CASCADE INVESTMENT LLC | 10% owner | Refuse Systems | BUY | $28.03 | 1,229,733 | $34,474,581 | 61,154,169 | +2.1% |
| 2011-08-24 23:17 | 2011-08-22 | WIW | WESTERN ASSET INFLATION-LINKED OPPORTUNITIES & INCOME FUND | CASCADE INVESTMENT LLC | 10% owner | Other | BUY | $12.88 | 84,743 | $1,091,185 | 8,455,002 | +1.0% |
| 2011-08-24 13:15 | 2011-08-19 | RSG | REPUBLIC SERVICES, INC. | CASCADE INVESTMENT LLC | 10% owner | Refuse Systems | BUY | $27.42 | 751,517 | $20,602,914 | 59,924,436 | +1.3% |
| 2011-08-24 14:56 | 2011-08-22 | EQY | N/A | KATZMAN CHAIM | Director, Officer, 10% owner - Chairman | Other | BUY | $17.13 | 227,301 | $3,893,916 | 52,864,482 | +0.4% |
| 2011-08-24 13:28 | 2011-08-19 | EQY | N/A | KATZMAN CHAIM | Director, Officer, 10% owner - Chairman | Other | BUY | $17.32 | 147,900 | $2,561,850 | 52,637,181 | +0.3% |
| 2011-08-25 02:31 | 2011-08-22 | AGO | ASSURED GUARANTY LTD | ROSS WILBUR L JR | Director | Surety Insurance | BUY | $11.63 | 452,500 | $5,261,127 | 17,364,496 | +2.7% |
| 2011-08-24 18:09 | 2011-08-22 | NSH | N/A | GREEHEY WILLIAM E | Director, 10% owner | Other | BUY | $32.96 | 92,879 | $3,061,728 | 7,504,616 | +1.3% |
| 2011-08-24 17:05 | 2011-08-19 | NSH | N/A | GREEHEY WILLIAM E | Director, 10% owner | Other | BUY | $32.96 | 68,260 | $2,249,686 | 7,411,737 | +0.9% |
| 2011-08-22 23:14 | 2011-08-09 | MTGE | N/A | Winkler Jeffrey | Officer - SVP and Co-Chief Invest. Off | Other | BUY | $20.00 | 50,000 | $1,000,000 | 50,000 | +100.0% |
| 2011-08-22 23:24 | 2011-08-09 | MTGE | N/A | Kain Gary D | Officer - Pres. and Chief Investment Off | Other | BUY | $20.00 | 100,000 | $2,000,000 | 100,000 | +100.0% |
| 2011-08-23 00:29 | 2011-08-18 | NPBC | N/A | Martin Michael E. | Director | Other | BUY | $6.31 | 472,209 | $2,977,703 | 25,276,998 | +1.9% |
| 2011-08-23 01:17 | 2011-08-18 | YONG | N/A | MORGAN STANLEY | Director, 10% owner, Other | Other | BUY | $4.53 | 359,315 | $1,628,955 | 397,115 | +950.6% |
| 2011-08-22 23:53 | 2011-08-18 | MLI | MUELLER INDUSTRIES INC | LEUCADIA NATIONAL CORP | 10% owner | Rolling Drawing & Extruding of Nonferrous Metals | BUY | $38.71 | 820,204 | $31,749,687 | 9,155,121 | +9.8% |
| 2011-08-23 00:11 | 2011-08-18 | CCO | Clear Channel Outdoor Holdings, Inc. | CC Media Holdings Inc | 10% owner | Services-Advertising | BUY | $10.45 | 184,433 | $1,927,915 | 358,154 | +106.2% |
| 2011-08-22 18:07 | 2011-08-18 | ETE | Energy Transfer LP | WARREN KELCY L | Director, 10% owner | Natural Gas Transmission | BUY | $37.93 | 250,952 | $9,518,484 | 18,175,550 | +1.4% |
| 2011-08-23 02:26 | 2011-08-18 | NYT | NEW YORK TIMES CO | INMOBILIARIA CARSO S A DE C V | 10% owner, Other | Newspapers: Publishing or Publishing & Printing | BUY | $7.05 | 389,850 | $2,747,156 | 10,603,000 | +3.8% |
| 2011-08-23 02:24 | 2011-08-18 | NYT | NEW YORK TIMES CO | INMOBILIARIA CARSO S A DE C V | 10% owner, Other | Newspapers: Publishing or Publishing & Printing | BUY | $6.90 | 163,150 | $1,126,143 | 10,213,150 | +1.6% |
| 2011-08-23 00:32 | 2011-08-18 | SKS | N/A | INMOBILIARIA CARSO S A DE C V | 10% owner, Other | Other | BUY | $8.00 | 295,200 | $2,361,600 | 26,241,000 | +1.1% |
| 2011-08-23 00:30 | 2011-08-18 | SKS | N/A | INMOBILIARIA CARSO S A DE C V | 10% owner, Other | Other | BUY | $7.77 | 247,948 | $1,925,936 | 25,867,948 | +1.0% |
| 2011-08-23 01:26 | 2011-08-18 | NPBC | N/A | Warburg Pincus Private Equity X, L.P. | Director, 10% owner | Other | BUY | $6.31 | 472,209 | $2,977,703 | 25,276,998 | +1.9% |
| 2011-08-23 00:20 | 2011-08-18 | ZIOP | Alaunos Therapeutics, Inc. | KIRK RANDAL J | Director, 10% owner | Pharmaceutical Preparations | BUY | $4.92 | 461,646 | $2,272,822 | 1,308,168 | +54.5% |
| 2011-08-22 20:26 | 2011-08-18 | PAA | PLAINS ALL AMERICAN PIPELINE LP | RAYMOND JOHN T | Director | Pipe Lines (No Natural Gas) | BUY | $59.30 | 200,354 | $11,880,992 | 634,596 | +46.1% |
| 2011-08-22 23:24 | 2011-08-18 | RSG | REPUBLIC SERVICES, INC. | CASCADE INVESTMENT LLC | 10% owner | Refuse Systems | BUY | $27.25 | 1,768,750 | $48,198,968 | 59,172,919 | +3.1% |
| 2011-08-22 23:22 | 2011-08-18 | WIW | WESTERN ASSET INFLATION-LINKED OPPORTUNITIES & INCOME FUND | CASCADE INVESTMENT LLC | 10% owner | Other | BUY | $12.96 | 294,559 | $3,818,427 | 8,370,259 | +3.6% |
| 2011-08-23 01:44 | 2011-08-18 | EQY | N/A | KATZMAN CHAIM | Director, Officer, 10% owner - Chairman | Other | BUY | $17.47 | 147,900 | $2,584,079 | 52,489,281 | +0.3% |
| 2011-08-23 01:13 | 2011-08-22 | TROP | N/A | ICAHN CARL C | Director, 10% owner | Other | BUY | $14.45 | 2,124,489 | $30,689,731 | 15,662,935 | +15.7% |
| 2011-08-22 22:46 | 2011-08-18 | AGO | ASSURED GUARANTY LTD | ROSS WILBUR L JR | Director | Surety Insurance | BUY | $11.58 | 376,000 | $4,353,215 | 16,911,996 | +2.3% |
| 2011-08-23 04:21 | 2011-08-18 | XCO | N/A | WL ROSS & CO LLC | 10% owner | Other | BUY | $12.82 | 325,500 | $4,172,129 | 69,582 | +100.0% |
| 2011-08-22 22:36 | 2011-08-18 | NSH | N/A | GREEHEY WILLIAM E | Director, 10% owner | Other | BUY | $32.99 | 58,622 | $1,934,192 | 7,343,477 | +0.8% |
| 2011-08-20 02:12 | 2011-08-17 | KIOR | N/A | Peterson Stuart L | 10% owner | Other | BUY | $9.95 | 242,162 | $2,409,100 | 17,316,362 | +1.4% |
| 2011-08-20 02:09 | 2011-08-17 | KIOR | N/A | Artis Partners 2X Ltd | 10% owner | Other | BUY | $9.95 | 125,368 | $1,247,198 | 5,683,818 | +2.3% |
| 2011-08-19 23:20 | 2011-08-17 | WIW | WESTERN ASSET INFLATION-LINKED OPPORTUNITIES & INCOME FUND | CASCADE INVESTMENT LLC | 10% owner | Other | BUY | $12.90 | 82,618 | $1,066,127 | 8,075,700 | +1.0% |
| 2011-08-19 01:21 | 2011-08-09 | ARCW | N/A | Young Jason Taney | Director, Officer - Chairman of Board | Other | BUY | $3.10 | 437,418 | $1,355,996 | 1,121,354 | +64.0% |
| 2011-08-19 01:20 | 2011-08-09 | ARCW | N/A | Brean Murray Carret Group Inc. | 10% owner | Other | BUY | $3.10 | 437,418 | $1,355,996 | 1,121,354 | +64.0% |
| 2011-08-18 23:56 | 2011-08-16 | FDML | N/A | ICAHN CARL C | Director, 10% owner, Other | Other | BUY | $16.65 | 192,168 | $3,200,116 | 75,687,713 | +0.3% |
| 2011-08-19 00:12 | 2011-08-16 | MLI | MUELLER INDUSTRIES INC | LEUCADIA NATIONAL CORP | 10% owner | Rolling Drawing & Extruding of Nonferrous Metals | BUY | $40.46 | 555,000 | $22,458,020 | 8,334,917 | +7.1% |
| 2011-08-19 02:40 | 2011-08-16 | TDG | TransDigm Group INC | SMALL ROBERT J | Director | Aircraft Parts & Auxiliary Equipment, NEC | BUY | $90.24 | 22,678 | $2,046,463 | 158,662 | +16.7% |
| 2011-08-18 23:59 | 2011-08-17 | VMW | N/A | EMC CORP | 10% owner | Other | BUY | $80.53 | 595,918 | $47,987,727 | 36,056,916 | +1.7% |
| 2011-08-18 13:05 | 2011-08-17 | LEAP | N/A | RACHESKY MARK H MD | Director, 10% owner | Other | BUY | $9.74 | 1,930,000 | $18,802,060 | 11,382,129 | +20.4% |
| 2011-08-18 23:18 | 2011-08-16 | WIW | WESTERN ASSET INFLATION-LINKED OPPORTUNITIES & INCOME FUND | CASCADE INVESTMENT LLC | 10% owner | Other | BUY | $12.89 | 86,696 | $1,117,902 | 7,993,082 | +1.1% |
| 2011-08-18 22:52 | 2011-08-16 | AGO | ASSURED GUARANTY LTD | ROSS WILBUR L JR | Director | Surety Insurance | BUY | $12.00 | 400,000 | $4,800,000 | 16,535,996 | +2.5% |
| 2011-08-19 01:41 | 2011-08-16 | ADPT | N/A | SPH Group Holdings LLC | 10% owner | Other | BUY | $2.83 | 416,500 | $1,178,195 | 39,589,572 | +1.1% |
| 2011-08-18 02:49 | 2011-08-15 | KIOR | N/A | Peterson Stuart L | 10% owner | Other | BUY | $10.87 | 172,545 | $1,875,495 | 17,074,200 | +1.0% |
| 2011-08-17 22:17 | 2011-08-16 | CARB | N/A | VAZIRANI PRAVIN A | Director, 10% owner | Other | BUY | $10.00 | 800,000 | $8,000,000 | 55,458 | +100.0% |
| 2011-08-17 22:13 | 2011-08-16 | CARB | N/A | MV Management X, L.L.C. | 10% owner, Other | Other | BUY | $10.00 | 800,000 | $8,000,000 | 55,458 | +100.0% |
| 2011-08-17 22:14 | 2011-08-16 | CARB | N/A | NELSON WILLIAM G | Director | Other | BUY | $10.00 | 125,000 | $1,250,000 | 1,400,491 | +9.8% |
| 2011-08-17 15:35 | 2011-08-16 | AGEN | Agenus Inc. | ARMEN GARO H | Officer - Chairman & CEO | Biological Products, (No Diagnostic Substances) | BUY | $0.51 | 2,150,976 | $1,096,998 | 5,329,939 | +67.7% |
| 2011-08-17 13:05 | 2011-08-16 | LEAP | N/A | RACHESKY MARK H MD | Director, 10% owner | Other | BUY | $9.07 | 1,250,000 | $11,338,250 | 9,452,129 | +15.2% |
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.