TEM

Tempus AI, Inc.

NasdaqTechnologyServices-Computer Programming, Data Processing, Etc.

Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingAug 28, 2026Most recent Form 4
Total buying$00 buys
Total selling$3.13B47 sells
Net open-market-$3.13B7 insiders
Open-market mix
Buy vs sell distribution by transaction count
47 transactions
0 buys0%·100%47 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
50250-25-50transactionsAug 2026 sells: 47 transactions · $3.13B47AugSep

Transaction codes

By Form 4 transaction code in selected period
47transactions
  • S · Open-market sells · dominant47 · 100%

Activity by reported role

A joint filing can contribute to multiple roles
50transactions
  • CHAIR · dominant33 · 66%
  • Chief executive officer8 · 16%
  • Chief financial officer2 · 4%
  • CLO2 · 4%
  • EVP2 · 4%
  • CAO1 · 2%
  • DATA1 · 2%
  • Director1 · 2%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (7)
Aug 2026Sep 2026
7distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Lefkofsky Eric PClass A Common Stock · Indirect · By Lefkofsky Family Foundation
824.5k817.1kAug 25, 2026 · 824,530 shares owned afterAug 25, 2026 · 824,246 shares owned afterAug 25, 2026 · 823,731 shares owned afterAug 25, 2026 · 823,153 shares owned afterAug 25, 2026 · 821,788 shares owned afterAug 25, 2026 · 818,901 shares owned afterAug 25, 2026 · 817,233 shares owned afterAug 25, 2026 · 817,131 shares owned afterAug 25, 2026Aug 25, 2026
817,131Aug 25, 2026
Lefkofsky Eric PClass A Common Stock · Indirect · By Vas.org Foundation
199.3k150.0kAug 25, 2026 · 199,340 shares owned afterAug 25, 2026 · 197,457 shares owned afterAug 25, 2026 · 194,028 shares owned afterAug 25, 2026 · 190,379 shares owned afterAug 25, 2026 · 161,848 shares owned afterAug 25, 2026 · 181,453 shares owned afterAug 25, 2026 · 150,681 shares owned afterAug 25, 2026 · 150,000 shares owned afterAug 25, 2026Aug 25, 2026
150,000Aug 25, 2026
Lefkofsky Eric PClass A Common Stock · Indirect · By Blue Media, LLC
15.3M15.1MAug 25, 2026 · 15,239,325 shares owned afterAug 25, 2026 · 15,253,680 shares owned afterAug 25, 2026 · 15,248,587 shares owned afterAug 25, 2026 · 15,229,390 shares owned afterAug 25, 2026 · 15,205,229 shares owned afterAug 25, 2026 · 15,152,445 shares owned afterAug 25, 2026 · 15,122,306 shares owned afterAug 25, 2026 · 15,120,469 shares owned afterAug 25, 2026Aug 25, 2026
15,120,469Aug 25, 2026
Lefkofsky Eric PClass A Common Stock · Indirect · By Gray Media, LLC
8.7M8.7MAug 25, 2026 · 8,714,855 shares owned afterAug 25, 2026 · 8,710,911 shares owned afterAug 25, 2026 · 8,706,693 shares owned afterAug 25, 2026 · 8,696,411 shares owned afterAug 25, 2026 · 8,673,916 shares owned afterAug 25, 2026 · 8,661,065 shares owned afterAug 25, 2026 · 8,660,283 shares owned afterAug 25, 2026 · 8,717,023 shares owned afterAug 25, 2026Aug 25, 2026
8,717,023Aug 25, 2026
Schoenherr Thomas EdwardClass A Common Stock · Direct
97.8k89.7kAug 18, 2026 · 97,797 shares owned afterAug 19, 2026 · 94,603 shares owned afterAug 19, 2026 · 94,703 shares owned afterAug 19, 2026 · 89,715 shares owned afterAug 19, 2026 · 94,103 shares owned afterAug 19, 2026 · 91,109 shares owned afterAug 19, 2026 · 90,209 shares owned afterAug 18, 2026Aug 19, 2026
90,209Aug 19, 2026
Polovin AndrewClass A Common Stock · Direct
146.1k138.1kAug 18, 2026 · 146,067 shares owned afterAug 19, 2026 · 138,140 shares owned afterAug 18, 2026Aug 19, 2026
138,140Aug 19, 2026
Rogers James WilliamClass A Common Stock · Direct
132.3k106.0kAug 18, 2026 · 132,337 shares owned afterAug 19, 2026 · 106,024 shares owned afterAug 18, 2026Aug 19, 2026
106,024Aug 19, 2026
West NadjaClass A Common Stock · Direct
35.0k35.0kAug 14, 2026 · 34,981 shares owned afterAug 14, 2026Aug 14, 2026
34,981Aug 14, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
2 active days
Aug 03Sep 03
LessMore
Top insiders
By absolute net value across the selected period
4 insiders
Recent filing activity
Most recent 12 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$657M
10b5-1 detected44
Amended rows0

Filing-only signals

Deterministic matches in the selected period

TEM transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
TEMSchoenherr Thomas Edward
CEO
sale10b5-1494-$3.02MS14.3%08/2108/19
TEMSchoenherr Thomas Edward
CEO
sale10b5-1900-$5.44MS14.3%08/2108/19
TEMSchoenherr Thomas Edward
CEO
sale10b5-12.99k-$17.9MS14.3%08/2108/19
TEMSchoenherr Thomas Edward
CEO
sale10b5-1500-$2.89MS14.3%08/2108/19
TEMSchoenherr Thomas Edward
CEO
sale10b5-1100-$564kS14.3%08/2108/19
TEMSchoenherr Thomas Edward
CEO
sale10b5-13.09k-$17.3MS14.3%08/2108/19
TEMSchoenherr Thomas Edward
CEO
sale10b5-19.23k-$45.7MS14.3%08/2108/18
TEMRogers James William
CFO
sale10b5-126.3k-$157MS14.3%08/2108/19
TEMRogers James William
CFO
sale10b5-122.5k-$111MS14.3%08/2108/18
TEMPolovin Andrew
EVPCLO
sale10b5-17.92k-$44.3MS14.3%08/2108/19
TEMPolovin Andrew
EVPCLO
sale10b5-122.1k-$109MS14.3%08/2108/18
TEMWest Nadja
DIR
sale10b5-13.00k-$16.1MS+26.2%08/1808/14

Tempus AI, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Tempus AI, Inc.?

LEFKOFSKY ERIC P, Fukushima Ryan, Schoenherr Thomas Edward, Rogers James William, Polovin Andrew, Bartolucci Ryan M, West Nadja.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Lefkofsky Eric P reported a sale on Aug 25, 2026 valued at $4.80M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $31,368,181.71. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.