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, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011-11-03 22:57 | 2011-11-01 | PANL | UNIVERSAL DISPLAY CORP \PA\ | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | 10% owner | Electronic Components & Accessories | BUY | $44.67 | 300,000 | $13,401,000 | 55,530 | +100.0% |
| 2011-11-03 02:16 | 2011-10-27 | ICGN | N/A | PFIZER INC | 10% owner | Other | BUY | $6.00 | 2,743,269 | $16,459,614 | 100 | +100.0% |
| 2011-11-03 01:44 | 2011-09-15 | DLR | DIGITAL REALTY TRUST, INC. | Foust Michael F | Director, Officer - CEO and Director | Real Estate Investment Trusts | BUY | $25.00 | 40,000 | $1,000,000 | 40,000 | +100.0% |
| 2011-11-01 17:37 | 2011-10-27 | HPGS | N/A | Hettinger Mark D | Director | Other | BUY | $0.05 | 70,000,000 | $3,500,000 | 117,880,000 | +146.2% |
| 2011-11-01 19:04 | 2009-07-01 | SSY | N/A | BAILEYS STEVEN J | Director | Other | BUY | $1.90 | 639,480 | $1,215,012 | 1,600 | +100.0% |
| 2011-10-31 23:00 | 2011-07-29 | EHTH | eHealth, Inc. | HealthCor Management, L.P. | 10% owner | Insurance Agents, Brokers & Service | BUY | $13.52 | 100,000 | $1,351,690 | 2,350,000 | +4.4% |
| 2011-10-31 23:07 | 2011-10-28 | MINE-OB | N/A | MESSINA SAM J III | Director, Officer, 10% owner - C.F.O. | Other | BUY | $2.94 | 6,675,000 | $19,598,468 | 119,475,000 | +5.9% |
| 2011-11-01 02:41 | 2011-10-27 | ADPTD-PK | N/A | SPH Group Holdings LLC | 10% owner | Other | BUY | $25.60 | 135,683 | $3,473,213 | 4,238,850 | +3.3% |
| 2011-10-29 03:22 | 2011-10-28 | MASI | MASIMO CORP | KIANI JOE E | Director, Officer - CEO and Chairman of the Board | Electromedical & Electrotherapeutic Apparatus | BUY | $20.24 | 64,596 | $1,307,274 | 4,177,096 | +1.6% |
| 2011-10-29 00:27 | 2011-10-28 | ITRI | ITRON, INC. | NOSBAUM LEROY D | Director, Officer - President and CEO | Instruments For Meas & Testing of Electricity & Elec Signals | BUY | $37.31 | 27,000 | $1,007,348 | 78,679 | +52.2% |
| 2011-10-27 01:59 | 2011-10-17 | HEWA | N/A | NEW ATLANTIC VENTURE FUND III L P | Director, 10% owner | Other | BUY | $100.00 | 10,000 | $1,000,000 | 107 | +100.0% |
| 2011-10-27 03:08 | 2011-09-23 | ETRM | N/A | WHITEBOX ADVISORS LLC | 10% owner, Other | Other | BUY | $1.65 | 659,000 | $1,087,350 | 2,591,600 | +34.1% |
| 2011-10-26 00:11 | 2011-10-24 | N/A | N/A | Cole Christopher H | Director, Officer - Chairman, CEO, President | Other | BUY | $9.10 | 219,780 | $2,000,000 | 340,317 | +182.3% |
| 2011-10-26 00:07 | 2011-10-24 | CRUS | CIRRUS LOGIC, INC. | SMITH ROBERT HENRY | Director | Semiconductors & Related Devices | BUY | $15.21 | 132,000 | $2,007,720 | 283,797 | +87.0% |
| 2011-10-26 01:53 | 2011-10-24 | ZLTQ | N/A | SCHIFF ANDREW N | Director, 10% owner | Other | BUY | $13.00 | 769,231 | $10,000,003 | 4,172,742 | +22.6% |
| 2011-10-25 21:37 | 2011-09-07 | TRR | N/A | KELLOGG PETER R | 10% owner | Other | BUY | $4.75 | 750,000 | $3,562,500 | 1,345,216 | +126.0% |
| 2011-10-24 19:53 | 2011-09-27 | BLK | N/A | BANK OF AMERICA CORP /DE/ | Director | Other | BUY | $156.89 | 10,386 | $1,629,469 | 10,596 | +4,945.7% |
| 2011-10-24 23:11 | 2011-10-20 | MINE-OB | N/A | MESSINA SAM J III | Director, Officer, 10% owner - C.F.O. | Other | BUY | $3,940.25 | 5,260,000 | $20,725,699,746 | 112,800,000 | +4.9% |
| 2011-10-21 22:08 | 2011-03-17 | CATS-OB | Ontrak, Inc. | Smith David E | 10% owner | Services-Misc Health & Allied Services, NEC | BUY | $0.40 | 4,452,788 | $1,781,115 | 5,265,916 | +547.6% |
| 2011-10-21 00:38 | 2011-10-19 | CWTR | N/A | PENCE DENNIS C | Director, Officer, 10% owner - Chairman & CEO | Other | BUY | $0.85 | 8,235,000 | $6,999,750 | 21,788,710 | +60.8% |
| 2011-10-17 23:48 | 2011-10-13 | N/A | N/A | Z Capital Partners, L.L.C. | 10% owner | Other | BUY | $12.00 | 297,851 | $3,574,213 | 1,906,555 | +18.5% |
| 2011-10-15 00:40 | 2011-10-12 | FBP | FIRST BANCORP /PR/ | Thomas H. Lee Advisors (Alternative) VI, Ltd. | 10% owner | State Commercial Banks | BUY | $3.50 | 937,493 | $3,281,226 | 50,684,485 | +1.9% |
| 2011-10-14 23:16 | 2011-10-12 | LGND | LIGAND PHARMACEUTICALS INC | BVF PARTNERS L P/IL | 10% owner | Pharmaceutical Preparations | BUY | $13.65 | 75,353 | $1,028,568 | 1,726,000 | +4.6% |
| 2011-10-13 01:30 | 2011-10-07 | ADAT | N/A | LAZARUS INVESTMENT PARTNERS LLLP | 10% owner | Other | BUY | $0.70 | 1,721,866 | $1,196,697 | 8,093,026 | +27.0% |
| 2011-10-13 00:26 | 2011-10-11 | CSII | N/A | Discovery Group I, LLC | 10% owner | Other | BUY | $8.19 | 141,616 | $1,160,203 | 251,741 | +128.6% |
| 2011-10-07 17:33 | 2011-10-05 | OPK | OPKO HEALTH, INC. | HSIAO JANE PH D | Director, Officer, 10% owner - Vice Chairman & CTO | Pharmaceutical Preparations | BUY | $3.60 | 1,200,000 | $4,320,000 | 17,880,231 | +7.2% |
| 2011-10-07 00:35 | 2011-10-04 | VPHM | N/A | Baker Brothers Life Sciences Capital (GP), LLC | 10% owner | Other | BUY | $18.01 | 191,347 | $3,447,059 | 9,548,763 | +2.0% |
| 2011-10-06 02:39 | 2011-10-04 | NYT | NEW YORK TIMES CO | INMOBILIARIA CARSO S A DE C V | 10% owner, Other | Newspapers: Publishing or Publishing & Printing | BUY | $5.99 | 485,833 | $2,908,488 | 11,903,000 | +4.3% |
| 2011-10-06 02:38 | 2011-10-03 | NYT | NEW YORK TIMES CO | INMOBILIARIA CARSO S A DE C V | 10% owner, Other | Newspapers: Publishing or Publishing & Printing | BUY | $5.72 | 364,167 | $2,084,018 | 11,417,167 | +3.3% |
| 2011-10-06 00:07 | 2011-10-03 | KEG | N/A | RACHESKY MARK H MD | 10% owner | Other | BUY | $8.79 | 450,000 | $3,954,195 | 14,074,070 | +3.3% |
| 2011-10-05 19:27 | 2011-10-05 | OPK | OPKO HEALTH, INC. | HSIAO JANE PH D | Director, Officer, 10% owner - Vice Chairman & CTO | Pharmaceutical Preparations | BUY | $3.60 | 1,200,000 | $4,320,000 | 4,297,800 | +38.7% |
| 2011-10-05 23:47 | 2011-10-03 | VMW | N/A | EMC CORP | 10% owner | Other | BUY | $79.45 | 241,333 | $19,172,724 | 37,219,026 | +0.7% |
| 2011-10-05 23:03 | 2011-10-03 | LMAR | LAMAR ADVERTISING CO/NEW | ABRAMS CAPITAL MANAGEMENT, L.P. | 10% owner | Real Estate Investment Trusts | BUY | $16.86 | 513,622 | $8,657,458 | 9,306,141 | +5.8% |
| 2011-10-05 23:46 | 2011-10-03 | NVDA | NVIDIA CORP | SEAWELL A BROOKE | Director | Semiconductors & Related Devices | BUY | $11.91 | 100,000 | $1,191,000 | 430,000 | +30.3% |
| 2011-10-06 02:33 | 2011-10-03 | EQY | N/A | KATZMAN CHAIM | Director, Officer, 10% owner - Chairman | Other | BUY | $15.00 | 350,000 | $5,248,985 | 53,756,736 | +0.7% |
| 2011-10-04 21:40 | 2011-10-04 | OPK | OPKO HEALTH, INC. | FROST PHILLIP MD ET AL | Director, Officer, 10% owner - CEO & Chairman | Pharmaceutical Preparations | BUY | $3.60 | 2,452,222 | $8,827,999 | 108,285,187 | +2.3% |
| 2011-10-04 21:37 | 2011-09-30 | KRA | N/A | GMT CAPITAL CORP | 10% owner | Other | BUY | $16.23 | 135,700 | $2,201,895 | 4,350,555 | +3.2% |
| 2011-10-05 00:01 | 2011-09-30 | PCYC | N/A | Baker Biotech Capital (GP), LLC | 10% owner | Other | BUY | $11.64 | 111,163 | $1,293,937 | 152,682 | +267.7% |
| 2011-10-04 02:20 | 2011-06-14 | BNHN-BNHNA | N/A | Gray Adam | Director, 10% owner | Other | BUY | $9.25 | 882,314 | $8,165,375 | 604,642 | +100.0% |
| 2011-10-03 22:17 | 2011-09-29 | SGY | N/A | Powell Donald E | Director | Other | BUY | $98.25 | 50,000 | $4,912,500 | 21,647 | +100.0% |
| 2011-10-04 01:35 | 2011-10-03 | N-A | N/A | TANZMAN MITCHELL A | Director, Officer - Principal Executive Officer | Other | BUY | $100,000.00 | 8,333 | $833,333,300 | 8,333 | +100.0% |
| 2011-10-04 04:03 | 2011-09-29 | AMSC | American Superconductor Corporation | DOUGLAS KEVIN | 10% owner, Other | Motors & Generators | BUY | $4.36 | 938,000 | $4,085,365 | 1,175,310 | +395.3% |
| 2011-10-04 01:42 | 2011-09-29 | VPHM | N/A | Baker Brothers Life Sciences Capital (GP), LLC | 10% owner | Other | BUY | $17.84 | 898,096 | $16,021,135 | 9,357,416 | +10.6% |
| 2011-10-04 00:17 | 2011-09-29 | XCO | N/A | WL ROSS & CO LLC | 10% owner | Other | BUY | $11.17 | 168,700 | $1,884,379 | 72,067 | +100.0% |
| 2011-09-30 23:47 | 2011-09-28 | FDML | N/A | ICAHN CARL C | Director, 10% owner, Other | Other | BUY | $15.23 | 126,900 | $1,932,421 | 75,980,915 | +0.2% |
| 2011-10-01 00:17 | 2011-08-22 | LMAR | LAMAR ADVERTISING CO/NEW | ABRAMS CAPITAL MANAGEMENT, L.P. | 10% owner | Real Estate Investment Trusts | BUY | $18.41 | 1,002,131 | $18,446,326 | 8,792,519 | +12.9% |
| 2011-10-01 02:21 | 2011-09-28 | CMLS | CUMULUS MEDIA INC | CRESTVIEW RADIO INVESTORS, LLC | Director, 10% owner | Radio Broadcasting Stations | BUY | $2.85 | 976,607 | $2,786,650 | 57,090,553 | +1.7% |
| 2011-09-30 21:33 | 2011-07-06 | N-A | N/A | Medical Information Technology, Inc. Profit Sharing Trust | 10% owner | Other | BUY | $8,500.00 | 550 | $4,675,000 | 4,595,312 | +0.0% |
| 2011-09-29 23:17 | 2011-09-26 | SCGA | N/A | KW Navigation Inc | 10% owner | Other | BUY | $0.10 | 31,666,666 | $3,166,667 | 48,366,666 | +189.6% |
| 2011-09-29 23:14 | 2011-09-26 | SCGA | N/A | CW Navigation Inc | 10% owner | Other | BUY | $0.10 | 31,666,667 | $3,166,667 | 48,366,667 | +189.6% |
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.