Tempus AI, Inc. (TEM)
Nasdaq: TEM · Services-Computer Programming, Data Processing, Etc. · Chicago, IL · filing with the SEC since 2017
Who owns Tempus AI, Inc.
As filed with the SECHolders of 5% or more
3
Eric Paul Lefkofsky holds 24% of Class A Common Stock, $0.0001 Par Value Per Share, as its SCHEDULE 13G/A filed Feb 10, 2026 says.
Directors and officers
15
report now, of 15 people on the record since 2024. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Eric Paul Lefkofsky
SCHEDULE 13G/A · filed Feb 10, 2026 · Class A Common Stock, $0.0001 Par Value Per Share · 25.9% in May 9, 2025
Bradley A. Keywell
SCHEDULE 13G/A · filed May 15, 2025 · Class A Common Stock, par value $0.0001 per share
ARK Investment Management LLC
SCHEDULE 13G · filed Mar 6, 2026 · Common Stock
Baillie Gifford & Co
SCHEDULE 13G/A · filed May 7, 2026 · Common Stock · reported falling below 5%, from 5.8% in Nov 12, 2025
Red Sky Ventures LLC
SCHEDULE 13G/A · filed Nov 13, 2025 · Class A Common Stock, $0.0001 par value per share · reported falling below 5%, from 5.7% in May 1, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 5.59% in Oct 31, 2025
What TEM reports owning in othersstakes of 5% or more, and other ties
Personalis, Inc. PSNL
SCHEDULE 13D/A · filed Jul 21, 2026 · Common Stock, $0.0001 par value
Other ties the annual report names
Paige AI Inc
A company bought · acquisition · Aug 2025 · owns, named in the 10-K filed Feb 24, 2026
Deep 6
A company bought · acquisition · Feb 2025 · owns, named in the 10-K filed Feb 24, 2026
Ambry Genetics Corporation
A company bought · acquisition · Jan 2025 · owns, named in the 10-K filed Feb 24, 2026
Sengine
A company bought · acquisition · Sep 2023 · owns, named in the 10-K filed Feb 24, 2026
Mpirik
A company bought · acquisition · Feb 2023 · owns, named in the 10-K filed Feb 24, 2026
20 subsidiaries in 8 countries, from the list filed with the 10-K filed Feb 24, 2026.
Insider tradesForm 4
245sales
0purchases
223sales on a scheduled plan
11people selling
$208Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 4, 2025 to Nov 4, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 4, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window11 of 19 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Lefkofsky Eric P | CEO and Chairman | 157 | $179M | 155 | 0 | $0 |
| Fukushima Ryan | CEO, Data | 27 | $12.2M | 22 | 0 | $0 |
| Rogers James William | Chief Financial Officer | 11 | $6.9M | 7 | 0 | $0 |
| Polovin Andrew | EVP, Chief Legal Officer | 14 | $5.0M | 13 | 0 | $0 |
| Schoenherr Thomas Edward | CEO, Diagnostics | 10 | $2.1M | 9 | 0 | $0 |
| Bartolucci Ryan M | Chief Accounting Officer | 6 | $1.3M | 1 | 0 | $0 |
| Phelps Erik | EVP, Chief Admin. Officer | 5 | $900,000 | 3 | 0 | $0 |
| Doudna Jennifer A | director | 5 | $500,000 | 4 | 0 | $0 |
| West Nadja | director | 2 | $400,000 | 2 | 0 | $0 |
| Frederick Wayne A.I. | director | 1 | $300,000 | 0 | 0 | $0 |
| Epstein David R | director | 7 | $100,000 | 7 | 0 | $0 |