LEFKOFSKY ERIC P
CEO and Chairman
LEFKOFSKY ERIC P has filed 19 SEC Form 4 filings (256 transaction rows) across 1 company, with disclosures dating back to 2025. 17 of those filings fall inside the rolling window. Most recent filing: Sep 24, 2026.
On the most recent filing, LEFKOFSKY ERIC P is listed as CEO and Chairman at Tempus AI, Inc. Inside the rolling window, LEFKOFSKY ERIC P reported no open-market purchases and 17 open-market sales totaling $190.8M in TEM. The largest disclosed transaction in the window is a sale of 332,500 TEM shares on Oct 28, 2025, worth $29.6M.
Companies traded
Other insiders at TEM
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$190.8M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| TEM | CEO and Chairman | Sale | 250,000 | $19.4M | Sep 24 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 200,000 | $16.1M | Sep 19 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 250,000 | $17.1M | Aug 28 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 132,591 | $6.6M | Aug 21 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 250,000 | $10.5M | Jul 31 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 166,250 | $9.6M | Jul 1 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 166,250 | $7.8M | May 29 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 22,335 | $984K | May 21 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 166,250 | $8.5M | Apr 30 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 166,250 | $7.7M | Mar 27 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 179,837 | $10.6M | Feb 20 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 166,250 | $10.9M | Jan 30 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 166,250 | $10.6M | Dec 22 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 166,250 | $12.3M | Nov 25 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 16,829 | $1.1M | Nov 20 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 166,250 | $11.5M | Nov 20 | SEC ↗ | |
| TEM | CEO and Chairman | Sale | 332,500 | $29.6M | Oct 30 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 25, 2025 | TEM | Sale | $3.3M |
| Sep 25, 2025 | TEM | Sale | $7.7M |
| Sep 25, 2025 | TEM | Sale | $4.5M |
| Sep 25, 2025 | TEM | Sale | $4.8M |
| Sep 25, 2025 | TEM | Sale | $830K |
| Sep 25, 2025 | TEM | Sale | $1.9M |
| Sep 25, 2025 | TEM | Sale | $1.1M |
| Sep 25, 2025 | TEM | Sale | $1.2M |
| Aug 27, 2025 | TEM | Sale | $1.1M |
| Aug 27, 2025 | TEM | Sale | $7.3M |
| Aug 27, 2025 | TEM | Sale | $9.5M |
| Aug 27, 2025 | TEM | Sale | $1.8M |
| Aug 27, 2025 | TEM | Sale | $269K |
| Aug 27, 2025 | TEM | Sale | $1.8M |
| Aug 27, 2025 | TEM | Sale | $2.4M |
| Aug 27, 2025 | TEM | Sale | $458K |
Frequently asked questions
How many SEC Form 4 filings has LEFKOFSKY ERIC P made?
LEFKOFSKY ERIC P has filed 19 SEC Form 4 filings (256 transaction rows) across 1 company since 2025.
Which companies does LEFKOFSKY ERIC P trade?
LEFKOFSKY ERIC P has filed SEC Form 4 disclosures for 1 company, including TEM.
When was LEFKOFSKY ERIC P's most recent SEC Form 4 filing?
LEFKOFSKY ERIC P's most recent SEC Form 4 filing on Tracefour is dated Sep 24, 2026.
What is LEFKOFSKY ERIC P's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, LEFKOFSKY ERIC P is listed as CEO and Chairman.
What is LEFKOFSKY ERIC P's total buy and sell value in the current window?
Inside the rolling retention window, LEFKOFSKY ERIC P bought $0 and sold $190.8M based on SEC Form 4 filings.
What was LEFKOFSKY ERIC P's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 332,500 TEM shares on 2025-10-28, worth $29.6M, per SEC Form 4 filings.