TEM
Tempus AI, Inc.
NASDAQ · Healthcare · Medical - Healthcare Information Services · US
$73.76
−5.20%0
Insider buys (3m)
107
Insider sells (3m)
-$90.5M
Net value (3m)
+70.2%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 2,167 | $72 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 1,300 | $69 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 15,259 | $72 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 14,237 | $72 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 5,486 | $71 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 1,282 | $67 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 3,510 | $69 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 17,825 | $68 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 961 | $68 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 1,495 | $69 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 35,759 | $72 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 9,132 | $67 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 6,636 | $68 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 195 | $69 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 824 | $71 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 16,414 | $72 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 13,209 | $72 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 6,312 | $71 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 2,071 | $72 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 7,592 | $68 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 10,428 | $67 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 38,489 | $72 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 24,597 | $67 |
| Oct 29, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 14,820 | $71 |
| Sep 29, 2026 | Schoenherr Thomas Edward · officer: CEO, Diagnostics | Sale | 10,281 | $85 |
| Sep 24, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 16,152 | $78 |
| Sep 24, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 7,394 | $77 |
| Sep 24, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 24 | $79 |
| Sep 24, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 33,770 | $77 |
| Sep 24, 2026 | LEFKOFSKY ERIC P · director, 10 percent owner, officer: CEO and Chairman | Sale | 184 | $79 |
Institutional positioning
13F filings over the trailing two quarters
New 246Increased 346Reduced 268Sold out 61
| Filer | Action | Shares | Filed |
|---|---|---|---|
| ARK Investment Management LLC | Increased | 10,022,634 | Aug 14, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Increased | 9,607,745 | May 12, 2026 |
| BLACKROCK, INC. | Increased | 8,968,330 | May 13, 2026 |
| JANE STREET GROUP, LLC | Increased | 8,954,247 | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 8,698,556 | Aug 14, 2026 |
| BAILLIE GIFFORD & CO | Reduced | 8,649,356 | May 8, 2026 |
| BlackRock, Inc. | Reduced | 8,291,053 | Aug 7, 2026 |
| BAILLIE GIFFORD & CO | Reduced | 8,190,133 | Aug 6, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 6,872,288 | May 15, 2026 |
| CATALYTIC WEALTH RIA, LLC | Reduced | 6,611,211 | May 14, 2026 |
| SOFTBANK GROUP CORP. | Unchanged | 5,405,406 | May 15, 2026 |
| SOFTBANK GROUP CORP. | Unchanged | 5,405,406 | Aug 14, 2026 |
| JANE STREET GROUP, LLC | Reduced | 5,328,354 | May 12, 2026 |
| CITADEL ADVISORS LLC | Increased | 5,071,201 | Sep 2, 2026 |
| JPMORGAN CHASE & CO | Increased | 4,989,062 | Aug 12, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 29, 2026