Leonsis Theodore sold Tempus AI, Inc. ($TEM) shares on the open market six times over the last year, totaling $21.6 million. His most recent sale occurred on August 26, 2025. These sales rank him 634th among 11,678 insiders by value sold, above the average of $8.6 million per insider and matching the typical 6 transactions. He made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug. 26, 2025 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | S | Class A Common Stock | 20000 | $75.83 | 82,267.0000 | 167,168,911 | 19.56% | 0.01% |
| Aug. 13, 2025 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | S | Class A Common Stock | 44000 | $69.90 | 102,267.0000 | 167,168,911 | 30.08% | 0.03% |
| Aug. 13, 2025 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | S | Class A Common Stock | 44000 | $69.90 | 102,267.0000 | 167,168,911 | 30.08% | 0.03% |
| June 12, 2025 | Groupon, Inc. | $GRPN | Leonsis Theodore | Director | A | Common Stock | 13343 | $32.33 | 218,600.0000 | 50,106,923 | 6.50% | 0.03% |
| June 12, 2025 | Groupon, Inc. | $GRPN | Leonsis Theodore | Director | M | Restricted Stock Units | 13343 | $0.00 | 6,685.0000 | 50,106,923 | 66.62% | 0.03% |
| June 11, 2025 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | S | Class A Common Stock | 184116 | $67.59 | 209,047.0000 | 167,168,911 | 46.83% | 0.11% |
| June 11, 2025 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | S | Class A Common Stock | 21731 | $68.27 | 187,316.0000 | 167,168,911 | 10.40% | 0.01% |
| June 11, 2025 | Groupon, Inc. | $GRPN | Leonsis Theodore | Director | A | Restricted Stock Units | 6685 | $0.00 | 20,028.0000 | 50,106,923 | 50.10% | 0.01% |
| May 20, 2025 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | A | Class A Comnmon Stock | 1997 | $0.00 | 15,511.0000 | 167,168,911 | 14.78% | 0.00% |
| May 9, 2025 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | S | Class A Common Stock | 770 | $66.26 | 391,166.0000 | 167,168,911 | 0.20% | 0.00% |
| April 29, 2025 | AMERICAN EXPRESS CO | $AXP | Leonsis Theodore | Director | A | Share Equivalent Units | 948 | $0.00 | 41,599.4830 | 713,000,000 | 2.33% | 0.00% |
| Dec. 11, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | S | Class A Common Stock | 233149 | $41.60 | 3,480,309.0000 | 0 | 6.28% | 0.00% |
| Dec. 11, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | M | Stock Option (right to buy) | 210000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Dec. 11, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | S | Class A Common Stock | 166851 | $40.73 | 3,713,458.0000 | 0 | 4.30% | 0.00% |
| Dec. 11, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | F | Class A Common Stock | 4153 | $43.19 | 3,480,309.0000 | 0 | 0.12% | 0.00% |
| Dec. 11, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | M | Class A Common Stock | 210000 | $0.85 | 3,484,462.0000 | 0 | 6.41% | 0.00% |
| June 17, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | C | Series E Preferred Stock | 597271 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| June 17, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | C | Series C Preferred Stock | 1397057 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| June 17, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | C | Series D Preferred Stock | 1066791 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| June 17, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | C | Series F Preferred Stock | 201941 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| June 13, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | A | Class A Common Stock | 13514 | $0.00 | 3,674,462.0000 | 0 | 0.37% | 0.00% |
| June 17, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | C | Class A Common Stock | 3263060 | $0.00 | 3,276,574.0000 | 0 | 9999.99% | 0.00% |
| June 17, 2024 | Tempus AI, Inc. | $TEM | Leonsis Theodore | Not found | A | Class A Common Stock | 397888 | $0.00 | 3,674,462.0000 | 0 | 12.14% | 0.00% |
| June 12, 2024 | Groupon, Inc. | $GRPN | Leonsis Theodore | Director | A | Common Stock | 13343 | $0.00 | 218,600.0000 | 49,272,332 | 6.50% | 0.03% |
| May 6, 2024 | AMERICAN EXPRESS CO | $AXP | Leonsis Theodore | Director | A | Share Equivalent Units | 955 | $0.00 | 39,565.2410 | 736,000,000 | 2.47% | 0.00% |
| June 14, 2023 | Groupon, Inc. | $GRPN | Leonsis Theodore | Director | A | Common Stock | 48197 | $0.00 | 205,257.0000 | 40,786,996 | 30.69% | 0.12% |