LEFKOFSKY ERIC P 4
4 · Tempus AI, Inc. · Filed May 21, 2026
Research Summary
AI-generated summary of this filing
Tempus AI (TEM) 10% Owner Eric Lefkofsky Sells 22,335 Shares
What Happened
Eric P. Lefkofsky, a 10% owner of Tempus AI (TEM), disposed of 22,335 shares on 2026-05-19 in an open-market sell-to-cover transaction. The weighted-average price was $44.07, generating approximately $984,303. According to the filing, this sale was required to satisfy statutory tax withholding on vested restricted stock units and was not a discretionary sale by the reporting person.
Key Details
- Transaction date: 2026-05-19; Form 4 filed 2026-05-21 (timely filing).
- Sale amount: 22,335 shares at a weighted-average price of $44.07; total proceeds ≈ $984,303.
- Price range: shares sold in multiple trades at prices between $43.65 and $44.46 (weighted average reported).
- Reason: Mandatory "sell to cover" to satisfy tax withholding obligations on vested RSUs (footnote). Not a voluntary trade.
- Shares owned after transaction: not specified in the provided filing excerpt.
- Reporting status: Lefkofsky is a 10% owner; filing notes related entities and trustee roles (see footnote on controlled entities and family foundations).
Context
Sell-to-cover transactions are common when restricted stock units vest and the company’s plan requires withholding tax be satisfied by selling shares. Such sales are routine and do not necessarily signal the insider’s view on the company’s prospects.
Insider Transaction Report
- Sale
Class A Common Stock
[F1][F2]2026-05-19$44.07/sh−22,335$984,303→ 2,230,721 total
- 8,841,783(indirect: By LLC)
Class A Common Stock
[F3] - 15,656,469(indirect: By LLC)
Class A Common Stock
[F3] - 406(indirect: By LLC)
Class A Common Stock
[F3] - 10,000,000(indirect: Lefkofsky Family 2025 GRAT)
Class A Common Stock
[F3] - 206(indirect: By LLC)
Class A Common Stock
[F3] - 832,131(indirect: By Foundation)
Class A Common Stock
[F3] - 250,000(indirect: By Foundation)
Class A Common Stock
[F3]
Footnotes (3)
- [F1]Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of the restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary sale by the Reporting Person.
- [F2]The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.65 to $44.46 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
- [F3]The Reporting Person is (i) a member of, and controls a limited liability company that is a member of, 346 Long LLC, (ii) the sole manager of each of Black Media, LLC, Blue Media, LLC and Gray Media, LLC, (iii) a trustee of each of Lefkofsky Family Foundation and Vas.org Foundation. The Reporting Person's spouse is the trustee of the Lefkofsky Family 2025 GRAT.