LEFKOFSKY ERIC P sold $9.6M of TEM (indirect holdings)
LEFKOFSKY ERIC P (CEO and Chairman) sold 166,250 indirectly-held shares of Tempus AI, Inc. (TEM) at an average of $57.48 ($55.38–$59.23, $9.56M total) across 10 trades on 2026-06-29 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The newest actionable element is the disclosed sale size (~166,250 shares; ~$9.56M) and the stated 10b5-1 pre-arranged plan, which frames the transaction as planned rather than opportunistic.
Market read
Newly filed insider-sale data can influence short-term sentiment, but 10b5-1 labeling typically limits interpretive weight.
What to watch
Traders may overreact to insider sales; the key is whether subsequent filings show sales outside the planned schedule or changes in total insider ownership trend.
Background
The article is an SEC Form 4 insider transaction disclosure for Tempus AI, Inc. (TEM) by CEO/Chairman Eric P. Lefkofsky, executed across multiple trades on 2026-06-29.
Ticker impact
Tempus AI CEO/Chairman Eric P. Lefkofsky sold ~$9.56M of TEM shares via a 10b5-1 plan on 2026-06-29 at $55.38–$59.23.
Likely limited, short-lived sentiment impact; watch for follow-through only if selling accelerates beyond planned cadence.
The filing is primary-source and time-stamped, but it explicitly states a pre-arranged 10b5-1 plan, which typically dampens interpretation as new negative information.
Market effects
Minimal; this is company-specific insider transaction with no sector-wide catalyst.
Minimal; no broader macro or regional linkage in the filing details.
Minimal; no international deal/regulatory action described.
Counterpoint
Because the sale is explicitly under a pre-arranged 10b5-1 plan, it may be routine liquidity management rather than a bearish signal.
Key entities
- issuerTempus AI, Inc.
Subject of the Form 4 insider sale; CEO/Chairman Eric P. Lefkofsky sold shares under a 10b5-1 plan.
- insiderLEFKOFSKY ERIC P
CEO and Chairman; sold 166,250 shares indirectly on 2026-06-29 at $55.38–$59.23 (weighted avg $57.482).



