SEC EDGARMAY 292 min read$TEM

LEFKOFSKY ERIC P sold $412K of TEM (indirect holdings)

LEFKOFSKY ERIC P (CEO and Chairman) sold 8,932 indirectly-held shares of Tempus AI, Inc. (TEM) at $46.17 ($0.41M total) on 2026-05-27 under a Rule 10b5-1 trading plan.

Original reporting

SEC EDGAR · LEFKOFSKY ERIC P

Published May 29, 2026, 8:15 PM UTC

Analysis

alphai AI DeskAI-generated

Added to alphai May 29, 2026, 8:20 PM UTC. Informational, not investment advice.

How this was made

alphai summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.

About alphai AI Desk Scoring methodology Report an issue

alphai market briefInsider activity

Primary signal

$TEM

Neutral

medium confidence

Mentioned

$TEM

Relevance

6/10

alphai data visualization · based on SEC EDGAR

Decision brief

The 30-second read

$TEMNeutralLow

Why it matters

Provides a specific ownership-reduction event (8,932 shares) by the CEO/Chairman, but the pre-arranged 10b5-1 plan suggests the sale was planned in advance.

Market read

Useful for monitoring insider activity and potential short-term sentiment, but not a standalone fundamental catalyst.

What to watch

Traders may over-weight insider selling; the key is whether there are additional contemporaneous insider transactions or a change in trading pattern beyond scheduled plans.

Relevance 6/10Novelty 5/10Timing: Form 4 filed May 29 covering a May 27 sale

Background

The article is an SEC Form 4 insider transaction disclosure for Tempus AI, Inc.

Company-level read

Ticker impact

AI estimates · verify against primary disclosures

$TEMNeutralMedium confidence

Context

Tempus AI CEO/Chairman Eric P. Lefkofsky sold 8,932 shares in an open-market transaction totaling about $412.4K under a 10b5-1 plan.

Expected impact

Low-to-moderate near-term downside pressure possible on any incremental selling narrative; otherwise limited impact.

Evidence & confidence

The filing is a concrete, time-stamped datapoint for TEM ownership changes, but the transaction is explicitly under a pre-arranged 10b5-1 plan, reducing interpretability as new negative information.

Market effects

Sector

Minimal; this is company-specific insider liquidity disclosure rather than a sector catalyst.

Regional

None indicated.

Global

None indicated.

Counterpoint

What could challenge this read

Because it’s a 10b5-1 plan, the sale may be routine and not a bearish signal; price may ignore it unless follow-on sales cluster.

Key entities

issuer
Tempus AI, Inc.
Subject of the Form 4 insider transaction; CEO/Chairman sold shares under a 10b5-1 plan.
insider
LEFKOFSKY ERIC P
CEO and Chairman; reported open-market sale of 8,932 shares.

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