TEM SEC Filing News — Tempus AI, Inc.

Latest SEC filings for Tempus AI, Inc. (TEM) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2026-09-29.

Tempus AI, Inc. operates as a healthcare technology company in the United States. It offers the Tempus platform, a closed-loop, full-stack, bi-directional integrations between a clinician's desktop and its laboratory diagnostic capabilities, analytics platform, and repository of multimodal data; and Hub, a clinical application for physicians and other healthcare providers for use in the diagnostics product line as an end-to-end application for healthcare providers for NGS tests. The company also…
Sector: Healthcare Industry: Health Information Services Market Cap: $11.6B CIK: 1717115
20
Total Filings
0
Bullish Classifications
14
Bearish Classifications
12
Insider Transactions
0
Material Events (8-K)
0
Periodic Reports
Rule-based classifications for TEM currently lean bearish. Of the 20 filing records displayed, 14 carry bearish classifications (such as insider sales or negative 8-K disclosures) versus 0 bullish. This does not necessarily signal fundamental deterioration — insiders sell for many reasons — but it is worth monitoring alongside the company's core financial metrics.
TEM Filing Activity Snapshot 2026-08-27 — 2026-09-29
Insider Transactions (Form 4)
0 buys vs 12 sells
Net insider selling in this period — insiders sell for many reasons beyond conviction.
Largest Form 144 Filing
$19.51M
Eric Lefkofsky · 2026-09-22
250,000 shares · Form 144
Form 144 Notices
8
Proposed insider sales filed — Form 144 is a notice of intent, not a confirmed transaction. Actual sales are confirmed via Form 4.
Insider Transactions 12 · Forms 3, 4 and 5

A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 12 filings in this group are Form 4s for Tempus AI, Inc.

The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.

Across the 12 insider filings shown, the breakdown is 12 open-market sale. 12 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.

What each transaction type means

Open-market sale ×12
The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Form 4 Open-market sale Insider Selling 2026-09-29

TEM insider Schoenherr Thomas Edward (CEO, Diagnostics) sold 10,281 shares (~$873.9K)

Schoenherr Thomas Edward, listed as CEO, Diagnostics at Tempus AI, Inc., reported an open-market sale of 10,281 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 10,281 $85.00 $873.9K
Filing: Form 4 (Insider Transaction) Insider: Schoenherr Thomas Edward (CEO, Diagnostics) Shares: 10,281 Est. Value: $873.9K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-24

TEM insider LEFKOFSKY ERIC P (Director, CEO and Chairman, 10% Owner) sold 250,000 shares (~$19.37M)

LEFKOFSKY ERIC P, listed as Director, CEO and Chairman, 10% Owner at Tempus AI, Inc., reported an open-market sale of 250,000 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 7,394 $76.57 $566.2K
S Open-market sale 33,770 $77.29 $2.61M
S Open-market sale 16,152 $78.23 $1.26M
S Open-market sale 184 $78.86 $14.5K
S Open-market sale 17,359 $76.57 $1.33M
S Open-market sale 79,259 $77.29 $6.13M
S Open-market sale 37,950 $78.23 $2.97M
S Open-market sale 432 $78.86 $34.1K
S Open-market sale 965 $76.57 $73.9K
S Open-market sale 4,420 $77.29 $341.6K
S Open-market sale 2,091 $78.23 $163.6K
S Open-market sale 24 $78.86 $1.9K
S Open-market sale 6,431 $76.57 $492.4K
S Open-market sale 29,367 $77.29 $2.27M
S Open-market sale 14,042 $78.23 $1.10M
S Open-market sale 160 $78.86 $12.6K
Filing: Form 4 (Insider Transaction) Insider: LEFKOFSKY ERIC P (Director, CEO and Chairman, 10% Owner) Shares: 250,000 Est. Value: $19.37M
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-18

TEM insider LEFKOFSKY ERIC P (Director, CEO and Chairman, 10% Owner) sold 200,000 shares (~$16.11M)

LEFKOFSKY ERIC P, listed as Director, CEO and Chairman, 10% Owner at Tempus AI, Inc., reported an open-market sale of 200,000 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 52,558 $80.52 $4.23M
S Open-market sale 4,942 $81.09 $400.7K
S Open-market sale 123,391 $80.52 $9.94M
S Open-market sale 11,609 $81.09 $941.4K
S Open-market sale 6,855 $80.52 $552.0K
S Open-market sale 645 $81.09 $52.3K
Filing: Form 4 (Insider Transaction) Insider: LEFKOFSKY ERIC P (Director, CEO and Chairman, 10% Owner) Shares: 200,000 Est. Value: $16.11M
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-18

TEM insider Bartolucci Ryan M (Chief Accounting Officer) sold 7,062 shares (~$529.6K)

Bartolucci Ryan M, listed as Chief Accounting Officer at Tempus AI, Inc., reported an open-market sale of 7,062 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 7,062 $75.00 $529.6K
Filing: Form 4 (Insider Transaction) Insider: Bartolucci Ryan M (Chief Accounting Officer) Shares: 7,062 Est. Value: $529.6K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-18

TEM insider Polovin Andrew (EVP, Chief Legal Officer) sold 2,951 shares (~$221.3K)

Polovin Andrew, listed as EVP, Chief Legal Officer at Tempus AI, Inc., reported an open-market sale of 2,951 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 2,951 $75.00 $221.3K
Filing: Form 4 (Insider Transaction) Insider: Polovin Andrew (EVP, Chief Legal Officer) Shares: 2,951 Est. Value: $221.3K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-18

TEM insider Fukushima Ryan (CEO, Data) sold 700 shares (~$49.0K)

Fukushima Ryan, listed as CEO, Data at Tempus AI, Inc., reported an open-market sale of 700 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 700 $70.00 $49.0K
Filing: Form 4 (Insider Transaction) Insider: Fukushima Ryan (CEO, Data) Shares: 700 Est. Value: $49.0K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-03

TEM insider Fukushima Ryan (CEO, Data) sold 30,846 shares (~$1.93M)

Fukushima Ryan, listed as CEO, Data at Tempus AI, Inc., reported an open-market sale of 30,846 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 13,046 $62.12 $810.4K
S Open-market sale 10,900 $62.64 $682.8K
S Open-market sale 5,900 $63.80 $376.4K
S Open-market sale 1,000 $64.63 $64.6K
Filing: Form 4 (Insider Transaction) Insider: Fukushima Ryan (CEO, Data) Shares: 30,846 Est. Value: $1.93M
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-03

TEM insider Doudna Jennifer A (Director) sold 676 shares (~$44.3K)

Doudna Jennifer A, listed as Director at Tempus AI, Inc., reported an open-market sale of 676 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 676 $65.55 $44.3K
Filing: Form 4 (Insider Transaction) Insider: Doudna Jennifer A (Director) Shares: 676 Est. Value: $44.3K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-03

TEM insider Epstein David R (Director) sold 250 shares (~$16.4K)

Epstein David R, listed as Director at Tempus AI, Inc., reported an open-market sale of 250 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 250 $65.55 $16.4K
Filing: Form 4 (Insider Transaction) Insider: Epstein David R (Director) Shares: 250 Est. Value: $16.4K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-09-01

TEM insider West Nadja (Director) sold 3,000 shares (~$207.0K)

West Nadja, listed as Director at Tempus AI, Inc., reported an open-market sale of 3,000 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 3,000 $69.00 $207.0K
Filing: Form 4 (Insider Transaction) Insider: West Nadja (Director) Shares: 3,000 Est. Value: $207.0K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-08-27

TEM insider LEFKOFSKY ERIC P (Director, CEO and Chairman, 10% Owner) sold 11,848 shares (~$827.9K)

LEFKOFSKY ERIC P, listed as Director, CEO and Chairman, 10% Owner at Tempus AI, Inc., reported an open-market sale of 11,848 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 11,167 $69.83 $779.8K
S Open-market sale 681 $70.58 $48.1K
Filing: Form 4 (Insider Transaction) Insider: LEFKOFSKY ERIC P (Director, CEO and Chairman, 10% Owner) Shares: 11,848 Est. Value: $827.9K
View on SEC EDGAR → Open Filing Document →
Form 4 Open-market sale Insider Selling 2026-08-27

TEM insider LEFKOFSKY ERIC P (Director, CEO and Chairman, 10% Owner) sold 238,152 shares (~$16.29M)

LEFKOFSKY ERIC P, listed as Director, CEO and Chairman, 10% Owner at Tempus AI, Inc., reported an open-market sale of 238,152 TEM shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code Nature Shares Price Value
S Open-market sale 760 $64.03 $48.7K
S Open-market sale 2,168 $64.70 $140.3K
S Open-market sale 3,944 $65.98 $260.2K
S Open-market sale 4,218 $67.01 $282.6K
S Open-market sale 10,282 $68.13 $700.5K
S Open-market sale 22,495 $68.97 $1.55M
S Open-market sale 12,851 $69.83 $897.4K
S Open-market sale 782 $70.58 $55.2K
S Open-market sale 1,789 $64.03 $114.5K
S Open-market sale 5,093 $64.70 $329.5K
S Open-market sale 9,262 $65.98 $611.1K
S Open-market sale 9,935 $67.01 $665.7K
S Open-market sale 24,161 $68.13 $1.65M
S Open-market sale 52,784 $68.97 $3.64M
S Open-market sale 30,139 $69.83 $2.10M
S Open-market sale 1,837 $70.58 $129.7K
S Open-market sale 101 $64.03 $6.5K
S Open-market sale 284 $64.70 $18.4K
S Open-market sale 515 $65.98 $34.0K
S Open-market sale 578 $67.01 $38.7K
S Open-market sale 1,365 $68.13 $93.0K
S Open-market sale 2,887 $68.96 $199.1K
S Open-market sale 1,668 $69.83 $116.5K
S Open-market sale 102 $70.58 $7.2K
S Open-market sale 660 $64.03 $42.3K
S Open-market sale 1,883 $64.70 $121.8K
S Open-market sale 3,429 $65.98 $226.2K
S Open-market sale 3,649 $67.01 $244.5K
S Open-market sale 8,926 $68.13 $608.1K
S Open-market sale 19,605 $68.97 $1.35M
Filing: Form 4 (Insider Transaction) Insider: LEFKOFSKY ERIC P (Director, CEO and Chairman, 10% Owner) Shares: 238,152 Est. Value: $16.29M
View on SEC EDGAR → Open Filing Document →
Proposed Insider Sales 8 · Form 144

A Form 144 is a notice of intent to sell restricted or control securities. It is not a record that anything was sold. Tempus AI, Inc. has 8 such notices in this period.

The distinction matters because a Form 144 is frequently reported as though it were a completed insider sale. The filer may sell all of the shares covered, some of them, or none at all, and there is no obligation to update the notice either way. A sale that is actually executed by an officer or director shows up separately on a Form 4, which is the filing to check before treating a proposed sale as a real one.

Form 144 Proposed Insider Sale 2026-09-25

TEM Form 144 filed for proposed insider sale by THOMAS SCHOENHERR (10,281 shares) ~$845.5K

THOMAS SCHOENHERR filed a Form 144 with the SEC indicating intent to sell TEM (Tempus AI, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: THOMAS SCHOENHERR Shares: 10,281 Est. Value: $845.5K
View on SEC EDGAR → Open Filing Document →
Form 144 Large Proposed Insider Sale 2026-09-22

TEM Form 144 filed for proposed insider sale by Eric Lefkofsky (250,000 shares) ~$19.51M

Eric Lefkofsky filed a Form 144 with the SEC indicating intent to sell TEM (Tempus AI, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: Eric Lefkofsky Shares: 250,000 Est. Value: $19.51M
View on SEC EDGAR → Open Filing Document →
Form 144 Large Proposed Insider Sale 2026-09-17

TEM Form 144 filed for proposed insider sale by Eric Lefkofsky (200,000 shares) ~$13.99M

Eric Lefkofsky filed a Form 144 with the SEC indicating intent to sell TEM (Tempus AI, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: Eric Lefkofsky Shares: 200,000 Est. Value: $13.99M
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2026-09-17

TEM Form 144 filed for proposed insider sale by RYAN BARTOLUCCI (9,311 shares) ~$651.5K

RYAN BARTOLUCCI filed a Form 144 with the SEC indicating intent to sell TEM (Tempus AI, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: RYAN BARTOLUCCI Shares: 9,311 Est. Value: $651.5K
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2026-09-17

TEM Form 144 filed for proposed insider sale by ANDREW POLOVIN (2,951 shares) ~$206.5K

ANDREW POLOVIN filed a Form 144 with the SEC indicating intent to sell TEM (Tempus AI, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: ANDREW POLOVIN Shares: 2,951 Est. Value: $206.5K
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2026-09-16

TEM Form 144 filed for proposed insider sale by VANESSA KUBO (700 shares) ~$48.2K

VANESSA KUBO filed a Form 144 with the SEC indicating intent to sell TEM (Tempus AI, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: VANESSA KUBO Shares: 700 Est. Value: $48.2K
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2026-09-01

TEM Form 144 filed for proposed insider sale by JENNIFER DOUDNA (676 shares) ~$42.6K

JENNIFER DOUDNA filed a Form 144 with the SEC indicating intent to sell TEM (Tempus AI, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: JENNIFER DOUDNA Shares: 676 Est. Value: $42.6K
View on SEC EDGAR → Open Filing Document →
Form 144 Proposed Insider Sale 2026-09-01

TEM Form 144 filed for proposed insider sale by VANESSA KUBO (30,846 shares) ~$1.94M

VANESSA KUBO filed a Form 144 with the SEC indicating intent to sell TEM (Tempus AI, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: VANESSA KUBO Shares: 30,846 Est. Value: $1.94M
View on SEC EDGAR → Open Filing Document →

How we classify Tempus AI, Inc.'s filings

Straight from EDGAR

Each displayed record links to an original source document. StrongBuyAnalytics provides navigation and brief excerpts or summaries, not the filing itself. Parsing may omit context or contain errors, so read the original document in full.

Transaction codes, not guesswork

The nature shown on each insider filing comes from the transaction code the filer entered on the form itself — P for an open-market purchase, A for a compensation award, F for shares withheld to pay tax, M for an option exercise. Where one filing contains several codes, the transaction table lists them line by line.

Why the distinction matters

Insider activity is routinely summarised as buying or selling, which flattens together decisions that mean very different things. Shares withheld for tax on a vesting grant are an automatic administrative step; shares bought on the open market are someone committing their own money at the current price.

What this page does not tell you

A filing records what happened, not why. Form 4 does not always disclose whether a sale was executed under a pre-arranged Rule 10b5-1 plan, and no single filing is a basis for a decision on TEM. Read these alongside the fundamentals rather than in isolation.

Frequently Asked Questions — TEM SEC Filings

More Tools for TEM

TEM Full Stock Analysis TEM Live Chart Institutional Ownership Earnings Calendar Options Flow Scanner Semiconductor Demand Zone Tracker Sector Scanner Browse All Stocks

Want deeper TEM analysis?

View valuation, growth metrics, the rule-based stock-page score, demand zones, peer comparison, and more — all on the TEM stock analysis page.

TEM Full Analysis
Publisher, sources & limitations — September 15, 2026. StrongBuyAnalytics provides navigation and brief excerpts or summaries for educational use. Original filings remain at SEC EDGAR or other displayed source links; StrongBuyAnalytics does not author them. Filing dates are source dates, not publication dates for this page. Coverage can be delayed, incomplete, amended, or unavailable because of SEC/source availability, parsing, caching, or outages. Verify every material statement in the original filing.
Data Sources · Methodology · AI Disclosure · Corrections Policy · Disclaimer