Eric P. Lefkofsky

CIK: 0001114357

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)281 (97.6%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)1 (0.3%)

Compensation grants

Other (G, F, J, C, D, …)6 (2.1%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

TEM

Tempus AI, Inc.

DirectorOfficer10% Owner

Discretionary Trading P&L

Holdings

Transaction History (288 total)

TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
7.6K shares at avg. $68.00$516K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
10.4K shares at avg. $67.36$702K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
6.3K shares at avg. $70.58$446K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
16.4K shares at avg. $71.56$1.2M
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
1.5K shares at avg. $69.28$104K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
24.6K shares at avg. $67.36$1.7M
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
17.8K shares at avg. $68.00$1.2M
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
3.5K shares at avg. $69.28$243K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
14.8K shares at avg. $70.58$1.0M
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
38.5K shares at avg. $71.56$2.8M
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
15.3K shares at avg. $72.31$1.1M
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
1.3K shares at avg. $67.36$86K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
961 shares at avg. $68.00$65K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
195 shares at avg. $69.28$14K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
824 shares at avg. $70.58$58K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
2.2K shares at avg. $71.56$155K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
2.1K shares at avg. $72.31$150K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
9.1K shares at avg. $67.36$615K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
6.6K shares at avg. $68.00$451K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
1.3K shares at avg. $69.28$90K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
5.5K shares at avg. $70.58$387K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
14.2K shares at avg. $71.56$1.0M
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
13.2K shares at avg. $72.31$955K
TEM
Tempus AI, Inc.
Oct 27, 2026
Sale(S)
Indirect
35.8K shares at avg. $72.31$2.6M
TEM
Tempus AI, Inc.
Sep 22, 2026
Sale(S)
Indirect
7.4K shares at avg. $76.57$566K

		Type	Shares	Price		Ownership
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	7,592	$68.00	$516,256	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	10,428	$67.36	$702,430	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	6,312	$70.58	$445,501	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	16,414	$71.56	$1,174,586	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	1,495	$69.28	$103,574	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	24,597	$67.36	$1,656,854	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	17,825	$68.00	$1,212,100	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	3,510	$69.28	$243,173	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	14,820	$70.58	$1,045,996	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	38,489	$71.56	$2,754,273	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	15,259	$72.31	$1,103,378	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	1,282	$67.36	$86,356	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	961	$68.00	$65,348	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	195	$69.28	$13,510	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	824	$70.58	$58,158	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	2,167	$71.56	$155,071	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	2,071	$72.31	$149,754	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	9,132	$67.36	$615,132	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	6,636	$68.00	$451,248	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	1,300	$69.28	$90,064	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	5,486	$70.58	$387,202	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	14,237	$71.56	$1,018,800	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	13,209	$72.31	$955,143	Indirect
Oct 27, 2026	TEM Tempus AI, Inc.	Sale(S)	35,759	$72.31	$2,585,733	Indirect
Sep 22, 2026	TEM Tempus AI, Inc.	Sale(S)	7,394	$76.57	$566,159	Indirect

1-25 of 288 transactions

…

About LEFKOFSKY ERIC P

LEFKOFSKY ERIC P (SEC CIK 0001114357) files insider reports with the SEC as CEO and Chairman of Tempus AI, Inc. (TEM).

Signal8 holds 32 ownership filings by LEFKOFSKY ERIC P, all Form 4s, filed between Dec 20, 2024 and Oct 29, 2026. Those filings report 288 transactions, from Dec 18, 2024 to Oct 27, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on LEFKOFSKY ERIC P's filings is in CHICAGO, IL.

Recent filings by LEFKOFSKY ERIC P

Oct 27, 2026: Open-market sales of TEM shares (24 lines, Form 4, code S).
Sep 22, 2026: Open-market sale of TEM shares (Form 4, code S).

Other insiders filing for Tempus AI, Inc. (TEM)

Schoenherr Thomas Edward, CEO, Diagnostics
Bartolucci Ryan M, Chief Accounting Officer
Polovin Andrew, EVP, Chief Legal Officer
Fukushima Ryan, CEO, Data
Doudna Jennifer A, Director
Epstein David R, Director

How to read Form 4 transaction codes