Data spanning the past 90 days through January 14, 2026 reveals that Tempus AI's three principal insider shareholders consist of TenPercentOwner Sky Ventures Llc Red (31.17Mn shares), Ceo And Chairman Eric P Lefkofsky (18.19Mn shares), TenPercentOwner Bradley A Keywell (15.22Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Sky Ventures Llc Red | 31,170,498 | 25 Jun, 2024 | |
| Eric P Lefkofsky | Ceo And Chairman | 18,191,682 | 20 Nov, 2025 |
| Bradley A Keywell | 15,218,365 | 22 Jan, 2025 | |
| Ryan Fukushima | Chief Operating Officer | 852,754 | 28 Nov, 2025 |
| Peter J Barris | 115,511 | 22 May, 2025 | |
| James William Rogers | Chief Financial Officer | 111,250 | 12 Dec, 2025 |
| Andrew Polovin | Evp And General Counsel | 107,590 | 25 Nov, 2025 |
| Erik Phelps | Evp & Chief Admin & Legal Off | 89,280 | 18 Dec, 2025 |
| Theodore Leonsis | 82,267 | 22 May, 2025 | |
| Ryan M Bartolucci | Chief Accounting Officer | 44,061 | 20 Nov, 2025 |
| Scott Gottlieb | 34,836 | 22 May, 2025 | |
| Nadja West | 32,068 | 22 May, 2025 | |
| Eric D Belcher | 29,544 | 22 May, 2025 | |
| David R Epstein | 26,421 | 03 Dec, 2025 | |
| Wayne A.I. Frederick | 24,836 | 09 Dec, 2025 | |
| Jennifer A Doudna | 22,702 | 06 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Jan, 2026 | Ryan Fukushima | Class A Common Stock | D | 5,000 | $64.26 | 148,808 | I | S |
| 02 Jan, 2026 | Jennifer A Doudna | Class A Common Stock | D | 1,250 | $60.17 | 22,702 | D | S |
| 18 Dec, 2025 | Eric P Lefkofsky | Class A Common Stock | D | 75,913 | $64.12 | 16,210,914 | I | S |
| 18 Dec, 2025 | Eric P Lefkofsky | - | - | 8,977,584 | I | |||
| 18 Dec, 2025 | Eric P Lefkofsky | - | - | 8,980,384 | I | |||
| 18 Dec, 2025 | Eric P Lefkofsky | Class A Common Stock | D | 11,207 | $66.04 | 16,188,469 | I | S |
| 18 Dec, 2025 | Eric P Lefkofsky | Class A Common Stock | D | 20,489 | $63.08 | 16,286,827 | I | S |
| 18 Dec, 2025 | Eric P Lefkofsky | Class A Common Stock | D | 5,118 | $63.08 | 8,999,344 | I | S |
| 18 Dec, 2025 | Eric P Lefkofsky | - | - | 8,974,783 | I | |||
| 18 Dec, 2025 | Eric P Lefkofsky | Class A Common Stock | D | 11,238 | $64.92 | 16,199,676 | I | S |
| 18 Dec, 2025 | Eric P Lefkofsky | - | - | 16,307,316 | I | |||
| 18 Dec, 2025 | Eric P Lefkofsky | Class A Common Stock | D | 14,153 | $62.26 | 16,307,316 | I | S |
| 18 Dec, 2025 | Eric P Lefkofsky | Class A Common Stock | D | 18,960 | $64.12 | 8,980,384 | I | S |
| 18 Dec, 2025 | Eric P Lefkofsky | Class A Common Stock | D | 2,801 | $66.04 | 8,974,783 | I | S |
| 18 Dec, 2025 | Eric P Lefkofsky | Class A Common Stock | D | 3,571 | $62.26 | 9,004,462 | I | S |
| 18 Dec, 2025 | Eric P Lefkofsky | Class A Common Stock | D | 2,800 | $64.92 | 8,977,584 | I | S |
| 16 Dec, 2025 | Erik Phelps | Class A Common Stock | D | 1,302 | $67.42 | 89,280 | D | S |
| 11 Dec, 2025 | James William Rogers | Class A Common Stock | D | 4,209 | $72.09 | 127,007 | D | S |
| 11 Dec, 2025 | James William Rogers | Class A Common Stock | D | 3,775 | $74.08 | 111,250 | D | S |
| 11 Dec, 2025 | James William Rogers | Class A Common Stock | D | 11,982 | $73.31 | 115,025 | D | S |