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, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011-03-23 23:24 | 2011-03-22 | CAST | N/A | SHERWOOD NED L | Director | Other | BUY | $6.16 | 478,114 | $2,943,126 | 2,268,343 | +26.7% |
| 2011-03-23 20:16 | 2011-03-22 | SNBC | N/A | BROWN BERNARD A | Director, Officer, 10% owner - Chairman of the Board | Other | BUY | $2.85 | 701,754 | $1,999,999 | 3,929,714 | +21.7% |
| 2011-03-23 20:11 | 2011-03-22 | SNBC | N/A | BROWN SIDNEY R | Director, Officer - Vice Chair/Treasurer/Secretary | Other | BUY | $2.85 | 701,754 | $1,999,999 | 1,718,130 | +69.0% |
| 2011-03-22 23:11 | 2011-03-21 | SBI | WESTERN ASSET INTERMEDIATE MUNI FUND INC. | CITIGROUP INC | 10% owner | Other | BUY | $23,260.75 | 120 | $2,791,290 | 1,847 | +6.9% |
| 2011-03-22 23:00 | 2011-03-18 | PSUN | N/A | GREEK INVESTMENTS INC | 10% owner | Other | BUY | $3.66 | 700,000 | $2,560,180 | 17,573,442 | +4.1% |
| 2011-03-22 17:00 | 2011-03-18 | SLE | N/A | Bennink Jan | Director, Officer - Executive Chairman | Other | BUY | $16.95 | 128,400 | $2,176,829 | 283,085 | +83.0% |
| 2011-03-22 23:56 | 2011-03-21 | CAST | N/A | SHERWOOD NED L | Director | Other | BUY | $6.09 | 670,522 | $4,081,736 | 1,790,229 | +59.9% |
| 2011-03-22 20:23 | 2011-03-18 | FSIN | N/A | GMT CAPITAL CORP | 10% owner | Other | BUY | $8.54 | 122,394 | $1,045,624 | 4,116,937 | +3.1% |
| 2011-03-22 23:58 | 2011-03-18 | EQY | N/A | KATZMAN CHAIM | Director, Officer, 10% owner - Chairman | Other | BUY | $18.25 | 2,000,000 | $36,500,000 | 49,280,200 | +4.2% |
| 2011-03-22 01:59 | 2011-03-18 | CAST | N/A | SHERWOOD NED L | Director | Other | BUY | $5.66 | 499,510 | $2,829,624 | 1,119,707 | +80.5% |
| 2011-03-22 01:48 | 2010-03-21 | AMSC | American Superconductor Corporation | DOUGLAS KEVIN | 10% owner | Motors & Generators | BUY | $23.42 | 378,000 | $8,851,475 | 729,810 | +107.4% |
| 2011-03-22 01:54 | 2010-08-05 | HMNA | N/A | Helios & Matheson Information Technology Ltd. | 10% owner | Other | BUY | $0.73 | 2,739,726 | $2,000,000 | 4,882,594 | +127.9% |
| 2011-03-18 23:44 | 2011-03-16 | DELL | N/A | DELL MICHAEL S | Director, Officer, 10% owner - Chairman and CEO | Other | BUY | $14.37 | 10,437,000 | $150,021,438 | 243,349,682 | +4.5% |
| 2011-03-18 23:56 | 2011-03-16 | PSUN | N/A | GREEK INVESTMENTS INC | 10% owner | Other | BUY | $3.73 | 2,550,000 | $9,509,715 | 16,873,442 | +17.8% |
| 2011-03-19 00:12 | 2010-04-29 | CNVO | N/A | Irwin Michael Scott | Director | Other | BUY | $9.00 | 330,000 | $2,970,000 | 1,453,872 | +29.4% |
| 2011-03-18 23:42 | 2011-03-16 | EPL | N/A | CARLSON CAPITAL L P | 10% owner | Other | BUY | $14.52 | 200,000 | $2,903,160 | 4,238,224 | +5.0% |
| 2011-03-18 22:39 | 2011-03-16 | NSH | N/A | GREEHEY WILLIAM E | Director, 10% owner | Other | BUY | $34.89 | 74,270 | $2,591,399 | 7,258,073 | +1.0% |
| 2011-03-17 22:38 | 2011-03-15 | TXI | N/A | NNS Holding | 10% owner | Other | BUY | $40.77 | 96,664 | $3,941,301 | 5,545,837 | +1.8% |
| 2011-03-17 18:26 | 2011-03-16 | BKCC | N/A | BlackRock Kelso Capital Advisors LLC | Other | Other | BUY | $10.00 | 200,000 | $2,000,000 | 214,658 | +1,364.4% |
| 2011-03-18 00:42 | 2011-03-15 | WPC | W. P. Carey Inc. | GRISWOLD BENJAMIN H IV | Director | Real Estate Investment Trusts | BUY | $34.40 | 60,036 | $2,065,028 | 108,369 | +124.2% |
| 2011-03-16 23:59 | 2011-03-15 | BRKM | N/A | HAYDEN STEVE | 10% owner | Other | BUY | $5,400.00 | 40,250 | $217,350,000 | 19,541,250 | +0.2% |
| 2011-03-16 15:04 | 2011-03-15 | DEER | N/A | HE YING | Director, Officer, 10% owner - Chief Executive Officer | Other | BUY | $11.01 | 100,000 | $1,101,000 | 8,550,980 | +1.2% |
| 2011-03-17 02:05 | 2011-02-21 | TCI | TRANSCONTINENTAL REALTY INVESTORS INC | EQK HOLDINGS INC | 10% owner | Real Estate Investment Trusts | BUY | $5.10 | 300,000 | $1,530,000 | 5,744,194 | +5.5% |
| 2011-03-17 04:06 | 2011-03-16 | THLD | N/A | Frazier Healthcare VI, L.P. | 10% owner | Other | BUY | $2.05 | 2,857,140 | $5,857,137 | 4,879,081 | +141.3% |
| 2011-03-16 21:53 | 2011-03-14 | AMSC | American Superconductor Corporation | DOUGLAS KEVIN | 10% owner | Motors & Generators | BUY | $23.34 | 300,000 | $7,002,000 | 692,010 | +76.5% |
| 2011-03-16 23:02 | 2011-03-14 | FSIN | N/A | GMT CAPITAL CORP | 10% owner | Other | BUY | $8.61 | 192,900 | $1,661,371 | 3,994,543 | +5.1% |
| 2011-03-16 23:15 | 2010-05-25 | GTXI | N/A | SCHULER JACK W | 10% owner | Other | BUY | $2.69 | 4,139,227 | $11,146,110 | 7,787,521 | +113.5% |
| 2011-03-16 23:14 | 2009-11-02 | GTXI | N/A | SCHULER JACK W | 10% owner | Other | BUY | $5.44 | 846,704 | $4,602,260 | 3,648,294 | +30.2% |
| 2011-03-16 22:48 | 2011-02-28 | N-A | N/A | PAPPALARDO A NEIL | Director, Officer, 10% owner - Chairman | Other | BUY | $1,000,000.00 | 25,000 | $25,000,000,000 | 9,423,013 | +0.3% |
| 2011-03-15 15:07 | 2011-03-14 | DEER | N/A | HE YING | Director, Officer, 10% owner - Chief Executive Officer | Other | BUY | $11.01 | 150,000 | $1,651,500 | 8,450,980 | +1.8% |
| 2011-03-15 22:53 | 2011-03-11 | TXI | N/A | NNS Holding | 10% owner | Other | BUY | $39.56 | 30,899 | $1,222,476 | 5,449,173 | +0.6% |
| 2011-03-16 04:13 | 2011-03-11 | THLD | N/A | SUTTER HILL VENTURES | 10% owner | Other | BUY | $2.10 | 690,969 | $1,451,035 | 4,369,952 | +18.8% |
| 2011-03-15 23:26 | 2011-03-11 | VMW | N/A | EMC CORP | 10% owner | Other | BUY | $82.51 | 36,348 | $2,999,244 | 33,466,190 | +0.1% |
| 2011-03-15 23:53 | 2011-03-11 | PLCE | Childrens Place, Inc. | MATTHEWS NORMAN S | Director | Retail-Family Clothing Stores | BUY | $47.29 | 21,200 | $1,002,548 | 31,465 | +206.5% |
| 2011-03-14 23:10 | 2011-03-11 | BOBS-OB | N/A | FONSECA ROMULO BORGES | 10% owner | Other | BUY | $8.99 | 180,019 | $1,617,957 | 2,636,532 | +7.3% |
| 2011-03-11 23:41 | 2011-03-01 | BOBS-OB | N/A | BOMENY JOSE RICARDO BOUSQUET | 10% owner | Other | BUY | $8.96 | 185,062 | $1,658,563 | 319,362 | +137.8% |
| 2011-03-12 00:40 | 2011-03-02 | SUNS | N/A | GROSS MICHAEL S | Director, Officer - CEO, Pres, Chair. of the Board | Other | BUY | $20.00 | 500,100 | $10,002,000 | 500,100 | +100.0% |
| 2011-03-12 00:33 | 2011-03-09 | GHDX | N/A | Baker Brothers Life Sciences Capital (GP), LLC | Director, 10% owner | Other | BUY | $26.03 | 70,856 | $1,844,410 | 5,674,104 | +1.3% |
| 2011-03-11 00:13 | 2011-03-08 | VMW | N/A | EMC CORP | 10% owner | Other | BUY | $83.54 | 131,648 | $10,997,295 | 33,429,842 | +0.4% |
| 2011-03-11 04:03 | 2011-03-08 | AUXL | N/A | Baker Brothers Life Sciences Capital (GP), LLC | 10% owner | Other | BUY | $22.90 | 988,489 | $22,640,451 | 5,773,365 | +20.7% |
| 2011-03-10 21:42 | 2011-03-02 | MKRO | N/A | Dent John Anthony | Director, Officer, 10% owner - President and CEO | Other | BUY | $186.53 | 1,865,250 | $347,925,083 | 10,020,250 | +22.9% |
| 2011-03-10 18:54 | 2011-03-08 | KYCN | N/A | CONTRAN CORP | 10% owner | Other | BUY | $6.50 | 1,623,798 | $10,554,687 | 9,086,028 | +21.8% |
| 2011-03-10 22:47 | 2011-03-09 | TIE | N/A | CONTRAN CORP | 10% owner | Other | BUY | $17.90 | 3,000,000 | $53,700,000 | 3,557,355 | +538.3% |
| 2011-03-10 03:46 | 2011-03-04 | CIGX | N/A | Tradewinds Master Fund (BVI) Ltd. | 10% owner | Other | BUY | $1.84 | 1,086,956 | $1,999,999 | 16,456,520 | +7.1% |
| 2011-03-10 01:50 | 2011-03-09 | OPK | OPKO HEALTH, INC. | FROST PHILLIP MD ET AL | Director, Officer, 10% owner - CEO & Chairman | Pharmaceutical Preparations | BUY | $3.60 | 900,000 | $3,240,000 | 100,317,052 | +0.9% |
| 2011-03-10 00:42 | 2011-03-07 | QCOR | N/A | BLUTT MITCHELL J MD | Director | Other | BUY | $13.03 | 225,000 | $2,932,628 | 899,952 | +33.3% |
| 2011-03-08 21:39 | 2011-03-04 | TNGN | N/A | HealthCap IV GP SA | 10% owner | Other | BUY | $2.83 | 2,473,500 | $7,000,005 | 63,778 | +100.0% |
| 2011-03-08 21:49 | 2011-03-04 | RE | EVEREST GROUP, LTD. | EVEREST REINSURANCE HOLDINGS INC | 10% owner, Other | Fire, Marine & Casualty Insurance | BUY | $87.31 | 60,000 | $5,238,366 | 9,713,071 | +0.6% |
| 2011-03-09 01:33 | 2011-03-04 | GHDX | N/A | Baker Brothers Life Sciences Capital (GP), LLC | Director, 10% owner | Other | BUY | $25.06 | 349,566 | $8,759,320 | 5,603,248 | +6.7% |
| 2011-03-08 01:20 | 2011-03-04 | LNCE | N/A | WAREHIME MICHAEL A | Director, 10% owner | Other | BUY | $18.11 | 60,200 | $1,090,252 | 9,825,324 | +0.6% |
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.