Tempus AI, Inc. (TEM) Insider Trading

Over the last 3 months, TEM insiders made 0 open-market buys and 21 sales, a net sale of -$26.7M (SEC Form 4). Over the last 6 months, 370 institutions increased and 240 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
21
Net (3m)
-$26.7M
Insider trades by month Buys Sells
Jan
Feb
Mar
Apr
May
Jun
Context3-month price -7.4%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jun 3, 2026Epstein David RdirectorSell250$49.40
May 29, 2026LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and ChairmanSell97,279$46.89
May 29, 2026LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and ChairmanSell8,932$46.17
May 29, 2026LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and ChairmanSell24,318$46.89
May 29, 2026LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and ChairmanSell35,721$46.17
May 26, 2026Leonsis TheodoredirectorGrant5,913—
May 26, 2026Gottlieb ScottdirectorGrant5,913—
May 26, 2026Frederick Wayne A.I.directorGrant5,913—
May 26, 2026Epstein David RdirectorGrant5,913—
May 26, 2026Doudna Jennifer AdirectorGrant5,913—
May 26, 2026BARRIS PETER JdirectorGrant5,913—
May 26, 2026Belcher Eric DdirectorGrant5,913—
May 26, 2026West NadjadirectorGrant5,913—
May 21, 2026Polovin Andrewofficer: EVP, Chief Legal OfficerSell8,703$44.07
May 21, 2026LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and ChairmanSell22,335$44.07
May 21, 2026Fukushima Ryanofficer: CEO, DataSell13,550$44.07
May 21, 2026Bartolucci Ryan Mofficer: Chief Accounting OfficerSell4,116$44.07
May 21, 2026Schoenherr Thomas Edwardofficer: CEO, DiagnosticsSell1,580$44.07
May 21, 2026Rogers James Williamofficer: Chief Financial OfficerSell10,853$44.07
May 6, 2026Schoenherr Thomas Edwardofficer: CEO, DiagnosticsGrant13,642—
May 6, 2026Rogers James Williamofficer: Chief Financial OfficerGrant10,000—
May 6, 2026Polovin Andrewofficer: EVP, Chief Legal OfficerGrant10,000—
May 6, 2026Bartolucci Ryan Mofficer: Chief Accounting OfficerGrant24,000—
May 6, 2026Fukushima Ryanofficer: CEO, DataGrant10,000—
Apr 30, 2026LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and ChairmanSell26,360$51.03
Apr 30, 2026LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and ChairmanSell6,890$51.52
Apr 30, 2026LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and ChairmanSell105,430$51.03
Apr 30, 2026LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and ChairmanSell27,570$51.52
Mar 27, 2026LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and ChairmanSell14,915$46.91
Mar 27, 2026LEFKOFSKY ERIC Pdirector, 10 percent owner, officer: CEO and ChairmanSell7,784$47.42

Source: TEM SEC Form 4 filings, latest Jun 3, 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
370
New positions
165
Reduced
240
Sold out
186
Largest moves
InstitutionActionSharesFiled
VANGUARD GROUP INCIncreased10.3MJan 29, 2026
ARK INVESTMENT MANAGEMENT LLCIncreased9.6MMay 12, 2026
BLACKROCK, INC.Increased9.0MMay 13, 2026
BAILLIE GIFFORD & COReduced8.7MJan 23, 2026
BAILLIE GIFFORD & COReduced8.6MMay 8, 2026
ARK INVESTMENT MANAGEMENT LLCIncreased7.6MFeb 11, 2026
BLACKROCK, INC.Increased7.5MFeb 12, 2026
CATALYTIC WEALTH RIA, LLCNew Position6.8MJan 30, 2026
CATALYTIC WEALTH RIA, LLCReduced6.6MMay 14, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPIncreased5.6MFeb 17, 2026
SOFTBANK GROUP CORP.Unchanged5.4MFeb 17, 2026
SOFTBANK GROUP CORP.Unchanged5.4MMay 15, 2026
JPMORGAN CHASE & COIncreased4.9MMay 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position4.9MMay 15, 2026
JPMORGAN CHASE & COReduced4.9MFeb 11, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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