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Insider Profile

LEFKOFSKY ERIC P

Director, Officer, 10% Owner | SEC CIK: 0001114357

Comprehensive Trading Performance Summary

The investment footprint of LEFKOFSKY ERIC P as disclosed via official SEC Form 4 filings provides a critical window into professional capital allocation strategies. By tracking this specific portfolio, investors can analyze how this individual moves capital across different boards and sectors. High-conviction moves by key stakeholders often serve as leading indicators for future market performance, as they reflect the intimate operational knowledge and fiduciary confidence of those closest to the company's decision-making process. Monitoring these strategic accumulation or exit patterns helps bridge the gap between institutional boardrooms and the retail investment community.

Last 7 Days
$0
Buys
$0
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Last 30 Days Trend
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Buys
$21,489,118
Sells
Filing Date Trade Date Ticker Company Name Industry Relationship Type Price Qty Total, $ Owned After Change, %
2026-02-21 05:45 2026-02-19 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $58.89 179,837 $10,589,918 1,989,626 -8.3%
2026-01-31 00:15 2026-01-28 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $65.56 166,250 $10,899,200 16,055,469 -1.0%
2025-12-23 01:41 2025-12-18 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $63.99 166,250 $10,638,471 16,188,469 -1.0%
2025-11-26 00:30 2025-11-24 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $74.10 166,250 $12,319,125 16,571,469 -1.0%
2025-11-21 03:56 2025-11-18 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $68.65 183,079 $12,569,051 16,704,469 -1.1%
2025-10-30 23:31 2025-10-28 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $89.11 332,500 $29,629,009 17,337,470 -1.9%
2025-09-29 23:33 2025-09-25 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $76.56 332,500 $25,456,998 17,603,470 -1.9%
2025-08-30 00:13 2025-08-27 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $74.10 332,500 $24,637,585 17,869,469 -1.8%
2025-08-21 23:15 2025-08-19 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $74.65 17,458 $1,303,308 2,020,042 -0.9%
2025-07-31 03:42 2025-07-28 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $62.87 166,250 $10,452,021 18,135,469 -0.9%
2025-06-20 23:15 2025-06-17 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $69.75 500,000 $34,876,050 15,427,132 -3.1%
2025-05-23 03:00 2025-05-20 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $63.21 16,752 $1,058,906 4,878,837 -0.3%
2025-03-08 00:56 2025-03-05 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $50.59 812,345 $41,099,214 25,827,132 -3.0%
2025-02-28 03:39 2025-02-27 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $58.75 3,240,234 $190,363,748 0 -100.0%
2025-02-21 03:55 2025-02-19 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $77.82 153,871 $11,974,010 4,895,589 -3.0%
2025-02-15 00:33 2025-02-12 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $77.94 243,545 $18,981,313 5,049,460 -4.6%
2025-02-08 01:33 2025-02-05 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $67.66 239,982 $16,236,582 5,293,005 -4.3%
2025-02-01 05:23 2025-01-29 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $55.61 238,800 $13,278,641 5,532,987 -4.1%
2025-01-25 02:53 2025-01-22 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $51.38 1,207,065 $62,023,224 5,771,787 -17.3%
2024-12-21 05:00 2024-12-18 TEM Tempus AI, Inc. Services-Computer Programming, Data Processing, Etc. Director, Officer, 10% owner - CEO and Chairman SELL $37.54 187,655 $7,045,338 26,589,477 -0.7%
2020-06-23 01:06 2020-06-18 GRPN Groupon, Inc. Services-Advertising Agencies Director, 10% owner BUY $21.57 250,000 $5,391,550 34,134,994 +0.7%
2019-12-14 02:38 2019-12-11 GRPN Groupon, Inc. Services-Advertising Agencies Director, 10% owner SELL $2.78 1,500,000 $4,170,000 45,058,034 -3.2%
2019-06-08 00:52 2019-06-05 GRPN Groupon, Inc. Services-Advertising Agencies Director, 10% owner SELL $3.50 3,000,000 $10,485,000 25,234,594 -10.6%
2019-03-09 01:51 2019-03-06 GRPN Groupon, Inc. Services-Advertising Agencies Director, 10% owner SELL $3.33 3,000,000 $9,975,000 28,234,594 -9.6%
2018-12-08 02:10 2018-12-06 GRPN Groupon, Inc. Services-Advertising Agencies Director, 10% owner SELL $3.07 3,000,000 $9,195,000 31,234,594 -8.8%
2018-09-15 01:27 2018-09-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, 10% owner SELL $3.82 1,500,000 $5,722,500 34,234,594 -4.2%
2018-06-09 00:13 2018-06-06 GRPN Groupon, Inc. Services-Advertising Agencies Director, 10% owner SELL $4.60 1,500,000 $6,892,500 26,429,994 -5.4%
2018-03-10 01:25 2018-03-07 GRPN Groupon, Inc. Services-Advertising Agencies Director, 10% owner SELL $4.60 1,500,000 $6,900,000 87,384,994 -1.7%
2017-12-09 01:47 2017-12-06 GRPN Groupon, Inc. Services-Advertising Agencies Director, 10% owner SELL $5.77 1,500,000 $8,647,500 90,884,994 -1.6%
2017-09-09 00:58 2017-09-06 GRPN Groupon, Inc. Services-Advertising Agencies Director, 10% owner SELL $4.39 1,500,000 $6,585,000 92,384,994 -1.6%
2015-05-15 01:30 2015-05-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $6.75 454,166 $3,065,621 100,735,062 -0.4%
2015-04-16 04:10 2015-04-13 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $7.28 454,166 $3,304,058 101,189,228 -0.4%
2015-03-17 03:22 2015-03-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $7.87 454,166 $3,572,016 101,643,394 -0.4%
2015-02-18 04:07 2015-02-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $7.79 454,166 $3,537,953 102,097,560 -0.4%
2015-01-15 03:13 2015-01-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $7.48 454,166 $3,394,891 102,551,726 -0.4%
2014-12-17 01:34 2014-12-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $7.18 454,166 $3,260,912 103,005,892 -0.4%
2014-11-15 02:59 2014-11-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer BUY $7.99 454,166 $3,626,516 103,460,058 +0.4%
2014-10-15 23:19 2014-10-13 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $5.86 454,166 $2,659,687 103,914,224 -0.4%
2014-09-17 00:11 2014-09-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $7.08 454,166 $3,215,632 104,368,390 -0.4%
2014-08-14 23:11 2014-08-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $5.84 454,166 $2,652,329 104,822,556 -0.4%
2014-07-17 00:46 2014-07-14 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $6.48 454,166 $2,940,725 105,276,722 -0.4%
2014-03-15 00:23 2014-03-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $8.44 454,166 $3,833,161 107,093,386 -0.4%
2014-02-15 00:53 2014-02-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $10.58 454,166 $4,805,076 107,547,552 -0.4%
2014-01-15 01:41 2014-01-13 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $11.27 454,166 $5,118,451 108,001,718 -0.4%
2014-01-07 00:18 2014-01-02 ECHO N/A Other 10% owner SELL $20.62 50,000 $1,031,135 1,436,810 -3.4%
2013-12-17 00:40 2013-12-12 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $10.33 454,166 $4,689,264 108,455,884 -0.4%
2013-12-05 01:08 2013-12-02 ECHO N/A Other 10% owner SELL $20.03 112,500 $2,253,656 1,486,810 -7.0%
2013-11-16 01:17 2013-11-13 GRPN Groupon, Inc. Services-Advertising Agencies Director, Officer, 10% owner - Chief Executive Officer SELL $10.44 454,166 $4,739,222 108,910,050 -0.4%
2013-11-06 01:12 2013-11-01 ECHO N/A Other 10% owner SELL $18.59 112,500 $2,091,915 1,599,310 -6.6%
2013-10-04 00:04 2013-10-01 ECHO N/A Other 10% owner SELL $20.78 112,500 $2,338,133 1,711,810 -6.2%
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Tracking Multi-Role Insiders: LEFKOFSKY ERIC P

High-level stakeholders like LEFKOFSKY ERIC P, whether acting as directors, officers, or 10% owners, often possess unique cross-sector insights. Monitoring a specific CIK like 0001114357 allows investors to identify recurring patterns of trading success across various industries. When a large 10% shareholder or a key beneficial owner moves capital, it often signals a strategic shift in institutional or private conviction.

SEC Transparency for Key Stakeholders

Every market move made by LEFKOFSKY ERIC P is a matter of public record under federal law. By aggregating Form 4 filings, we provide transparency into the portfolios of major players who hold significant influence. Following the money of those with a 10% stake or executive power helps bridge the information gap between the boardroom and the retail investor.

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.