- Corporate Officers - L
- Lefkofsky Eric P
Insider Trading History of Lefkofsky Eric P
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Lefkofsky Eric P since 2015.
This trader's CIK number is 1114357.
At the time of last reporting, Lefkofsky Eric P was the CEO and Chairman of Tempus Ai, Inc.. (stock ticker symbol TEM).
Also see all insider trading activities at Tempus Ai, Inc..
Note that in the past
LEFKOFSKY ERIC P also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Tempus Ai, Inc. (TEM) by Lefkofsky Eric P
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | TEM | 0 | $0 | 3,928,568 | $235,969,275 | 0 | $0 |
| 2024 | TEM | 0 | $0 | 187,655 | $7,193,191 | 0 | $0 |
Yearly summary of insider trading at Groupon, Inc. (GRPN) by Lefkofsky Eric P
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | GRPN | 250,000 | $5,376,250 | 0 | $0 | 0 | $0 |
| 2019 | GRPN | 0 | $0 | 7,500,000 | $24,630,000 | 0 | $0 |
| 2018 | GRPN | 0 | $0 | 7,500,000 | $28,709,999 | 0 | $0 |
| 2017 | GRPN | 0 | $0 | 3,000,000 | $15,232,500 | 0 | $0 |
| 2016 | GRPN | 0 | $0 | 0 | $0 | 1,055,806 | $0 |
| 2015 | GRPN | 0 | $0 | 2,270,830 | $16,874,533 | 300,000 | $0 |
Insider trading activities at 2 companies by Lefkofsky Eric P:
1. Tempus Ai, Inc. (TEM)
2. Groupon, Inc. (GRPN)
Table 1. Insider trading of Tempus Ai, Inc. (TEM) by Lefkofsky Eric P
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-08-27 | TEM | Sale | 332,500 | 74.19 | 24,668,175 |
| 2025-08-19 | TEM | Sale | 17,458 | 75.12 | 1,311,444 |
| 2025-07-28 | TEM | Sale | 166,250 | 63.65 | 10,581,812 |
| 2025-06-17 | TEM | Sale | 250,000 | 70.29 | 17,572,000 |
| 2025-06-18 | TEM | Sale | 250,000 | 69.31 | 17,328,500 |
| 2025-05-20 | TEM | Sale | 16,752 | 63.45 | 1,062,998 |
| 2025-03-06 | TEM | Sale | 250,000 | 50.31 | 12,577,250 |
| 2025-03-05 | TEM | Sale | 562,345 | 51.50 | 28,960,767 |
| 2025-02-19 | TEM | Sale | 84,640 | 81.08 | 6,863,034 |
| 2025-02-20 | TEM | Sale | 69,231 | 74.09 | 5,129,324 |
| 2025-02-14 | TEM | Sale | 80,003 | 86.13 | 6,890,658 |
| 2025-02-12 | TEM | Sale | 84,948 | 70.02 | 5,948,058 |
| 2025-02-13 | TEM | Sale | 78,594 | 78.54 | 6,172,929 |
| 2025-02-07 | TEM | Sale | 80,388 | 67.80 | 5,450,306 |
| 2025-02-06 | TEM | Sale | 85,109 | 68.50 | 5,829,711 |
| 2025-02-05 | TEM | Sale | 74,485 | 67.56 | 5,032,206 |
| 2025-01-29 | TEM | Sale | 79,118 | 54.11 | 4,281,074 |
| 2025-01-30 | TEM | Sale | 77,626 | 54.63 | 4,240,708 |
| 2025-01-31 | TEM | Sale | 82,056 | 58.88 | 4,831,457 |
| 2025-01-23 | TEM | Sale | 645,068 | 50.64 | 32,666,243 |
| 2025-01-24 | TEM | Sale | 85,788 | 53.95 | 4,628,262 |
| 2025-01-22 | TEM | Sale | 476,209 | 50.28 | 23,942,359 |
| 2024-12-18 | TEM | Sale | 187,655 | 38.33 | 7,193,191 |
Table 2. Insider trading of Groupon, Inc. (GRPN) by Lefkofsky Eric P
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-06-18 | GRPN | Buy | 250,000 | 21.50 | 5,376,250 |
| 2019-12-11 | GRPN | Sale | 750,000 | 2.82 | 2,115,000 |
| 2019-12-12 | GRPN | Sale | 750,000 | 2.74 | 2,055,000 |
| 2019-06-05 | GRPN | Sale | 1,500,000 | 3.59 | 5,385,000 |
| 2019-06-06 | GRPN | Sale | 1,500,000 | 3.40 | 5,100,000 |
| 2019-03-06 | GRPN | Sale | 1,500,000 | 3.35 | 5,025,000 |
| 2019-03-07 | GRPN | Sale | 1,500,000 | 3.30 | 4,950,000 |
| 2018-12-07 | GRPN | Sale | 1,500,000 | 3.09 | 4,635,000 |
| 2018-12-06 | GRPN | Sale | 1,500,000 | 3.04 | 4,560,000 |
| 2018-09-12 | GRPN | Sale | 750,000 | 3.82 | 2,865,000 |
| 2018-09-13 | GRPN | Sale | 750,000 | 3.81 | 2,857,500 |
| 2018-06-06 | GRPN | Sale | 750,000 | 4.59 | 3,442,500 |
| 2018-06-07 | GRPN | Sale | 750,000 | 4.60 | 3,449,999 |
| 2018-03-07 | GRPN | Sale | 750,000 | 4.61 | 3,457,500 |
| 2018-03-08 | GRPN | Sale | 750,000 | 4.59 | 3,442,500 |
| 2017-12-06 | GRPN | Sale | 750,000 | 5.76 | 4,320,000 |
| 2017-12-07 | GRPN | Sale | 750,000 | 5.77 | 4,327,500 |
| 2017-09-07 | GRPN | Sale | 750,000 | 4.38 | 3,285,000 |
| 2017-09-06 | GRPN | Sale | 750,000 | 4.40 | 3,300,000 |
| 2016-04-01 | GRPN | Option Ex | 1,055,806 | .00 | 0 |
| 2015-08-06 | GRPN | Option Ex | 100,000 | .00 | 0 |
| 2015-05-12 | GRPN | Sale | 227,083 | 6.75 | 1,532,810 |
| 2015-05-13 | GRPN | Sale | 227,083 | 6.75 | 1,532,810 |
| 2015-05-06 | GRPN | Option Ex | 100,000 | .00 | 0 |
| 2015-04-14 | GRPN | Sale | 227,083 | 7.24 | 1,644,080 |
| 2015-04-13 | GRPN | Sale | 227,083 | 7.31 | 1,659,976 |
| 2015-03-12 | GRPN | Sale | 227,083 | 7.93 | 1,800,768 |
| 2015-03-13 | GRPN | Sale | 227,083 | 7.80 | 1,771,247 |
| 2015-02-12 | GRPN | Sale | 227,083 | 7.57 | 1,719,018 |
| 2015-02-13 | GRPN | Sale | 227,083 | 8.01 | 1,818,934 |
| 2015-02-06 | GRPN | Option Ex | 100,000 | .00 | 0 |
| 2015-01-12 | GRPN | Sale | 227,083 | 7.45 | 1,691,768 |
| 2015-01-13 | GRPN | Sale | 227,083 | 7.50 | 1,703,122 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Lefkofsky Eric P
(CEO and Chairman of Tempus Ai, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.