Tempus AI, Inc. (TEM) Insider Trading
Over the last 3 months, TEM insiders made 0 open-market buys and 86 sales, a net sale of -$58.0M (SEC Form 4). Over the last 6 months, 340 institutions increased and 246 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
86
Net (3m)
-$58.0M
Insider trades by month Buys Sells
Mar
Apr
May
Jun
Jul
Aug
Context3-month price +29.1%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 660 | $64.03 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 1,668 | $69.83 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 2,887 | $68.96 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 3,649 | $67.01 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 1,365 | $68.13 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 578 | $67.01 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 515 | $65.98 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 284 | $64.70 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 11,167 | $69.83 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 681 | $70.58 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 760 | $64.03 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 2,168 | $64.70 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 3,944 | $65.98 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 4,218 | $67.01 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 101 | $64.03 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 1,837 | $70.58 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 30,139 | $69.83 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 52,784 | $68.97 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 24,161 | $68.13 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 9,935 | $67.01 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 9,262 | $65.98 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 5,093 | $64.70 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 1,789 | $64.03 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 782 | $70.58 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 12,851 | $69.83 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 22,495 | $68.97 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 1,883 | $64.70 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 102 | $70.58 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 10,282 | $68.13 |
| Aug 27, 2026 | LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and Chairman | Sell | 8,926 | $68.13 |
Source: TEM SEC Form 4 filings, latest Aug 27, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their TEM positions over the last 6 months (SEC Form 13F).
Increased
340
New positions
210
Reduced
246
Sold out
55
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| ARK Investment Management LLC | Increased | 10.0M | Aug 14, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Increased | 9.6M | May 12, 2026 |
| BLACKROCK, INC. | Increased | 9.0M | May 13, 2026 |
| JANE STREET GROUP, LLC | Increased | 9.0M | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 8.7M | Aug 14, 2026 |
| BAILLIE GIFFORD & CO | Reduced | 8.6M | May 8, 2026 |
| BlackRock, Inc. | Reduced | 8.3M | Aug 7, 2026 |
| BAILLIE GIFFORD & CO | Reduced | 8.2M | Aug 6, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 6.9M | May 15, 2026 |
| CATALYTIC WEALTH RIA, LLC | Reduced | 6.6M | May 14, 2026 |
| SOFTBANK GROUP CORP. | Unchanged | 5.4M | Aug 14, 2026 |
| SOFTBANK GROUP CORP. | Unchanged | 5.4M | May 15, 2026 |
| JANE STREET GROUP, LLC | Reduced | 5.3M | May 12, 2026 |
| CITADEL ADVISORS LLC | Increased | 5.1M | Aug 14, 2026 |
| JPMORGAN CHASE & CO | Increased | 5.0M | Aug 12, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.