Eric P. Lefkofsky is CEO & Chairman at Tempus AI, Inc. (TEM). They have made 33 open-market trades across 4 companies since 2008, most recently 2026-09-22.
CIK 0001114357
11 open-market purchases totalling $14.6M since 2009, against 22 sales. Across 11 scored buys the stock is up 4.2% at ninety days, and 3.6 points ahead of the S&P over the same stretch.
11 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| ECHO | 1,436,810 | $122.7M |
| GRPN | 3,421,149 | $56.6M |
| TEM | 100,000 | $6.5M |
| INWK | 40,155 | $120K |
| Total | $186.0M |
Shares reported on the most recent Form 4, priced at the 2026-09-24 close.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 0% | 64% | 73% |
| Avg Move | -5.3% | +0.5% | +4.2% |
| Alpha | -0.0% | -0.2% | +3.6% |
| Scored | 11 | 11 | 11 |
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 57% | 48% | 60% |
| Avg Move | -1.6% | -2.0% | -7.4% |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| TEM | SELL · 10b5-1 | 2026-09-22 | 2026-09-24 | $77.47 | $19.4M | -14.0% | — | — |
| TEM | SELL · 10b5-1 | 2026-09-17 | 2026-09-18 | $80.57 | $16.1M | +3.7% | — | — |
| TEM | SELL · 10b5-1 | 2026-08-25 | 2026-08-27 | $69.87 | $828K | -11.2% | +23.1% | — |
| TEM | SELL · 10b5-1 | 2026-08-25 | 2026-08-27 | $68.39 | $16.3M | -11.2% | +23.1% | — |
| TEM | SELL | 2026-08-18 | 2026-08-20 | $49.61 | $6.6M | -5.3% | +18.7% | — |
| TEM | SELL · 10b5-1 | 2026-07-28 | 2026-07-30 | $42.06 | $10.5M | +20.7% | +36.7% | — |
| TEM | SELL · 10b5-1 | 2026-06-29 | 2026-07-01 | $57.48 | $9.6M | -4.3% | -28.5% | +34.9% |
| TEM | SELL · 10b5-1 | 2026-05-27 | 2026-05-29 | $46.70 | $7.8M | +0.3% | +18.0% | +43.1% |
| TEM | SELL | 2026-05-19 | 2026-05-21 | $44.07 | $984K | +1.2% | +2.0% | +30.3% |
| TEM | SELL · 10b5-1 | 2026-04-28 | 2026-04-30 | $51.13 | $8.5M | -15.0% | -4.5% | -24.7% |
| TEM | SELL · 10b5-1 | 2026-03-26 | 2026-03-27 | $46.38 | $7.7M | +4.2% | +24.4% | +29.5% |
| TEM | SELL | 2026-02-19 | 2026-02-20 | $58.89 | $10.6M | -10.8% | -14.6% | -19.2% |
| TEM | SELL | 2026-01-28 | 2026-01-30 | $65.56 | $10.9M | -9.8% | -10.3% | -6.7% |
| TEM | SELL · 10b5-1 | 2025-12-18 | 2025-12-22 | $63.98 | $21.1M | -1.8% | -0.9% | -25.4% |
| TEM | SELL · 10b5-1 | 2025-11-24 | 2025-11-25 | $74.10 | $12.3M | -0.9% | -19.3% | -26.3% |
| TEM | SELL · 10b5-1 | 2025-11-18 | 2025-11-20 | $68.65 | $25.1M | +14.1% | +0.4% | -14.4% |
| TEM | SELL · 10b5-1 | 2025-10-28 | 2025-10-30 | $89.00 | $45.7M | -18.6% | -15.8% | -26.6% |
| TEM | SELL · 10b5-1 | 2025-09-25 | 2025-09-29 | $76.56 | $50.9M | +26.9% | +13.5% | -21.4% |
| TEM | SELL · 10b5-1 | 2025-08-27 | 2025-08-29 | $74.10 | $49.3M | +20.6% | +6.7% | +5.8% |
| TEM | SELL | 2025-08-19 | 2025-08-21 | $74.64 | $2.6M | -0.2% | +12.3% | -9.6% |
| TEM | SELL · 10b5-1 | 2025-07-28 | 2025-07-30 | $62.87 | $20.9M | +6.2% | +32.5% | +51.3% |
| TEM | SELL · 10b5-1 | 2025-06-17 | 2025-06-20 | $69.76 | $69.6M | -10.4% | -12.2% | +31.8% |
| TEM | SELL | 2025-05-20 | 2025-05-22 | $63.21 | $2.1M | +9.4% | +14.4% | +27.7% |
| TEM | SELL · 10b5-1 | 2025-03-05 | 2025-03-07 | $50.58 | $81.6M | -0.1% | -11.2% | +22.1% |
| TEM | SELL | 2025-02-27 | 2025-02-27 | $58.75 | $287.8M | -12.6% | -7.5% | +2.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Scored | 21 | 21 | 20 |