🕵️ Tempus AI, Inc. ($TEM)
SEC insider & ownership activity, last 12 months · CIK 1717115 · every row links its SEC filing
Over the last 12 months insiders sold $209.7M with no open-market buying against it. Eric P. Lefkofsky sold $180.8M through a 10b5-1 trading plan in 129 lots (Sep–Aug). 5 planned sales are pending, the largest $2.1M (Ryan Fukushima). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 11 sellers, $209.7M (218 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Eric P. Lefkofsky | 0 | – | 129 | $180.8M | Aug 25, 2026 |
| Ryan Fukushima | 0 | – | 31 | $13.0M | Sep 1, 2026 |
| James Rogers | 0 | – | 11 | $6.9M | Aug 19, 2026 |
| Andrew Polovin | 0 | – | 13 | $4.8M | Aug 19, 2026 |
| Thomas Edward Schoenherr | 0 | – | 9 | $1.2M | Aug 21, 2026 |
| Erik Phelps | 0 | – | 5 | $882K | Feb 19, 2026 |
| Ryan M. Bartolucci | 0 | – | 5 | $779K | Aug 18, 2026 |
| Jennifer A. Doudna | 0 | – | 5 | $455K | Sep 1, 2026 |
| West Nadja | 0 | – | 2 | $369K | Aug 28, 2026 |
| Frederick Wayne A.i. | 0 | – | 1 | $284K | Dec 5, 2025 |
| David R. Epstein | 0 | – | 7 | $132K | Sep 1, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Eric Paul Lefkofsky | 24.0% | 13G | Feb 10, 2026 | filing ↗ | |
| Blue Media, LLC | 11.8% | 13G | Feb 10, 2026 | filing ↗ | |
| Bradley A. Keywell | 7.6% | 13G | May 15, 2025 | filing ↗ | |
| BK TL21 LLC | 7.6% | 13G | May 15, 2025 | filing ↗ | |
| Lefkofsky Family 2025 GRAT | 5.8% | 13G | Feb 10, 2026 | filing ↗ | |
| ARK Investment Management LLC | 5.4% | 13G | Mar 6, 2026 | filing ↗ | |
| Catherine D. Wood | 5.4% | 13G | Mar 6, 2026 | filing ↗ | |
| GRAY Media, LLC | 5.2% | 13G | Feb 10, 2026 | filing ↗ | |
| Baillie Gifford & Co | 5.0% | 13G | May 7, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Vanessa Kubo | $48K | Sep 16, 2026 | filing ↗ |
| Jennifer Doudna | $43K | Sep 1, 2026 | filing ↗ |
| Vanessa Kubo | $1.9M | Sep 1, 2026 | filing ↗ |
| Eric Lefkofsky | $16.5M | Aug 25, 2026 | filing ↗ |
| Vanessa Kubo | $952K | Aug 21, 2026 | filing ↗ |
| Thomas Schoenherr | $180K | Aug 21, 2026 | filing ↗ |
| James Rogers | $1.3M | Aug 19, 2026 | filing ↗ |
| Andrew Polovin | $391K | Aug 19, 2026 | filing ↗ |
| Thomas Schoenherr | $399K | Aug 19, 2026 | filing ↗ |
| Thomas Edward Schoenherr | $477K | Aug 18, 2026 | filing ↗ |
| James William Rogers | $1.2M | Aug 18, 2026 | filing ↗ |
| Ryan Fukushima | $2.1M | Aug 18, 2026 | filing ↗ |
| Andrew Polovin | $1.1M | Aug 18, 2026 | filing ↗ |
| Ryan M. Bartolucci | $319K | Aug 18, 2026 | filing ↗ |
| Eric Paul Lefkofsky | $6.8M | Aug 18, 2026 | filing ↗ |
| Nadja West | $326K | Aug 14, 2026 | filing ↗ |
| Vanessa Kubo | $922K | Aug 7, 2026 | filing ↗ |
| David R. Epstein | $43K | Aug 3, 2026 | filing ↗ |
| Vanessa Kubo | $1.0M | Aug 3, 2026 | filing ↗ |
| Eric Lefkofsky | $10.7M | Jul 28, 2026 | filing ↗ |
| Vanessa Kubo | $2.0M | Jul 8, 2026 | filing ↗ |
| Vanessa L. Kubo | $603K | Jul 6, 2026 | filing ↗ |
| Eric Lefkofsky | $9.3M | Jun 29, 2026 | filing ↗ |
| James Rogers | $599K | Jun 25, 2026 | filing ↗ |
| Eric Lefkofsky | $7.8M | May 27, 2026 | filing ↗ |
| Thomas Edward Schoenherr | $69K | May 19, 2026 | filing ↗ |
| James William Rogers | $473K | May 19, 2026 | filing ↗ |
| Ryan Fukushima | $591K | May 19, 2026 | filing ↗ |
| Erik Phelps | $280K | May 19, 2026 | filing ↗ |
| Andrew Polovin | $380K | May 19, 2026 | filing ↗ |
| Ryan M. Bartolucci | $180K | May 19, 2026 | filing ↗ |
| Eric Paul Lefkofsky | $974K | May 19, 2026 | filing ↗ |
| Eric Lefkofsky | $8.8M | Apr 28, 2026 | filing ↗ |
| Jennifer Doudna | $166K | Apr 15, 2026 | filing ↗ |
| Eric Lefkofsky | $7.8M | Mar 26, 2026 | filing ↗ |
| James Rogers | $723K | Mar 2, 2026 | filing ↗ |
| David R. Epstein | $46K | Mar 2, 2026 | filing ↗ |
| Erik Phelps | $229K | Feb 20, 2026 | filing ↗ |
| Andrew Polovin | $657K | Feb 20, 2026 | filing ↗ |
| James William Rogers | $566K | Feb 19, 2026 | filing ↗ |
| Ryan Fukushima | $539K | Feb 19, 2026 | filing ↗ |
| Erik Phelps | $317K | Feb 19, 2026 | filing ↗ |
| Andrew Polovin | $457K | Feb 19, 2026 | filing ↗ |
| Eric Lefkofsky | $9.3M | Feb 19, 2026 | filing ↗ |
| Erik Phelps | $214K | Feb 19, 2026 | filing ↗ |
| Ryan M. Bartolucci | $163K | Feb 19, 2026 | filing ↗ |
| Eric Paul Lefkofsky | $763K | Feb 19, 2026 | filing ↗ |
| Eric Lefkofsky | $11.1M | Jan 28, 2026 | filing ↗ |
| Eric Lefkofsky | $10.7M | Dec 18, 2025 | filing ↗ |
| Erik Phelps | $89K | Dec 16, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 30, 2026 | filing ↗ |
| Material agreement (1.01) | Jul 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 20, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 21, 2026 | filing ↗ |
| Material agreement (1.01) | May 7, 2026 | filing ↗ |
| Agreement terminated (1.02) | May 7, 2026 | filing ↗ |
| New financial obligation (2.03) | May 7, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | May 7, 2026 | filing ↗ |
| Other events (8.01) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Earnings (2.02) | Feb 24, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 24, 2026 | filing ↗ |
| Earnings (2.02) | Jan 11, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 11, 2026 | filing ↗ |
| Earnings (2.02) | Nov 4, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 4, 2025 | filing ↗ |