Epstein David R sold $16K of TEM
Epstein David R sold 370 shares of Tempus AI, Inc. (TEM) at $43.40 on 2026-08-03 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosed event is an open-market sale by a director under a pre-arranged 10b5-1 plan, which typically reduces interpretive value for near-term fundamentals.
Market read
Traders may log the transaction for insider-flow monitoring, but it is unlikely to drive a standalone repricing.
What to watch
The article does not state whether other insiders sold/bought, nor does it provide total insider ownership changes beyond the post-transaction share count.
Background
The article is a SEC Form 4 insider transaction disclosure for Tempus AI, Inc.
Ticker impact
Tempus AI director David R Epstein sold 370 shares at $43.40 under a pre-arranged 10b5-1 plan, totaling $16,058.
Low near-term impact; any reaction is likely muted unless paired with other disclosures.
The filing is a Form 4 insider transaction, explicitly tied to a pre-arranged 10b5-1 plan, and the disclosed sale size is modest relative to typical market moves.
Market effects
No clear sector read-through from a single, small 10b5-1 sale.
None indicated.
None indicated.
Counterpoint
Even 10b5-1 sales can coincide with private information, so traders may still watch for follow-on filings or changes in insider activity.
Key entities
- issuerTempus AI, Inc.
Company whose director insider sale is disclosed on Form 4.
- insiderDavid R Epstein
Director who sold 370 shares at $43.40 under a 10b5-1 plan.



