- Corporate Officers - L
- Leonsis Theodore
Insider Trading History of Leonsis Theodore
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Leonsis Theodore since 2015.
This trader's CIK number is 1452645.
At the time of last reporting, Leonsis Theodore was the Officer of Tempus Ai, Inc.. (stock ticker symbol TEM).
Also see all insider trading activities at Tempus Ai, Inc..
Note that in the past
Leonsis Theodore also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at American Express Co (AXP) by Leonsis Theodore
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | AXP | 0 | $0 | 4,005 | $667,357 | 0 | $0 |
| 2020 | AXP | 0 | $0 | 7,575 | $1,004,520 | 0 | $0 |
| 2019 | AXP | 0 | $0 | 8,420 | $980,424 | 0 | $0 |
Yearly summary of insider trading at Tempus Ai, Inc. (TEM) by Leonsis Theodore
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | TEM | 0 | $0 | 64,000 | $4,592,200 | 0 | $0 |
| 2024 | TEM | 0 | $0 | 400,000 | $16,466,000 | 210,000 | $179,340 |
Yearly summary of insider trading at Groupon, Inc. (GRPN) by Leonsis Theodore
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | GRPN | 1,000,000 | $950,000 | 0 | $0 | 0 | $0 |
| 2015 | GRPN | 0 | $0 | 59,250 | $456,619 | 0 | $0 |
Insider trading activities at 3 companies by Leonsis Theodore:
1. American Express Co (AXP)
2. Tempus Ai, Inc. (TEM)
3. Groupon, Inc. (GRPN)
Table 1. Insider trading of American Express Co (AXP) by Leonsis Theodore
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-06-03 | AXP | Sale | 4,005 | 166.63 | 667,357 |
| 2020-01-30 | AXP | Sale | 7,575 | 132.61 | 1,004,520 |
| 2019-10-23 | AXP | Sale | 8,420 | 116.44 | 980,424 |
Table 2. Insider trading of Tempus Ai, Inc. (TEM) by Leonsis Theodore
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-08-26 | TEM | Sale | 20,000 | 75.83 | 1,516,600 |
| 2025-08-13 | TEM | Sale | 44,000 | 69.90 | 3,075,600 |
| 2024-12-11 | TEM | Option Ex | 210,000 | .85 | 179,340 |
| 2024-12-11 | TEM | Sale | 400,000 | 41.16 | 16,466,000 |
Table 3. Insider trading of Groupon, Inc. (GRPN) by Leonsis Theodore
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-04-20 | GRPN | Buy | 1,000,000 | .95 | 950,000 |
| 2015-03-16 | GRPN | Sale | 19,750 | 7.78 | 153,655 |
| 2015-02-17 | GRPN | Sale | 19,750 | 8.07 | 159,382 |
| 2015-01-15 | GRPN | Sale | 19,750 | 7.27 | 143,582 |
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 Leonsis Theodore
(Officer of Tempus Ai, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.