Tempus Ai Inc (TEM) insider trading

Recent insider transactions reported to the SEC on Form 4 — directors and officers buying or selling their own company’s stock. Sourced directly from public SEC filings, latest filed Sep 29, 2026.

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Filings shown
30
Open-market buys
0
Open-market sells
106

Counts cover the 30 most recent Form 4 filings Tradune holds for TEM (filed Jul 8 – Sep 29, 2026); the score below covers only the trailing 90 days (0 buys, 101 sells). No completed check of TEM's Form 4 list on SEC EDGAR is on record yet; the latest TEM filing Tradune holds was filed Sep 29, 2026. This is not guaranteed to be the complete record — see TEM's full Form 4 filing history on SEC EDGAR.

Open-market activity, last 90 days

Purchases (Form 4 code P) and sales (code S) on the 28 filings Tradune holds for TEM filed Jul 30 – Sep 29, 2026. Grants, exercises, tax withholding and the other Form 4 transaction codes are left out.

101 open-market sales by Rule 10b5-1 checkbox

On filings with the 10b5-1 box checked
26 sales· 470,994 sh
checkbox disclosed
On filings with the box not checked
0 sales· 0 sh
not proof that no plan exists
Not comparable
75 sales· 875,032 sh
filed before Apr 1, 2023, or no checkbox value in the filing data

Counts are Form 4 lines as filed. The checkbox is one per filing, so every sale on a filing with the box checked is counted there even if only some of its transactions were under a plan; it records what the filer disclosed, and the three categories are not a judgement about why a sale was made.

Open-market purchases and sales by insider
Insider Buys Sells Shares bought Shares sold Value
Eric P. LefkofskyCEO and Chairman 0 67 — 1,082,591 −$69,687,654
Ryan FukushimaCEO, Data 0 13 — 130,745 −$7,122,863
Thomas Edward SchoenherrCEO, Diagnostics 0 9 — 30,289 −$1,992,456
Andrew PolovinEVP, Chief Legal Officer 0 3 — 33,026 −$1,763,999
James William RogersChief Financial Officer 0 2 — 48,842 −$2,696,444
Ryan M. BartolucciChief Accounting Officer 0 2 — 13,237 −$835,992
Nadja WestDirector 0 2 — 6,000 −$368,700
David R. EpsteinDirector 0 2 — 620 −$32,446
Jennifer A. DoudnaDirector 0 1 — 676 −$44,312

Value = shares × the price reported on each Form 4 (+ purchases, − sales); every open-market line in this window disclosed a price.

Insider-activity score
0/ 100
Net insider sales
0 distinct buyers0 buy · 101 sell tx

Summarises ~90 days of public SEC Form 4 activity — more distinct buyers, officer involvement and net buying score higher. A description of filing activity, not a rating or buy signal. How this score is computed →

How to read this: an open-market purchase (Form 4 code P) is a buy at the market price with the insider’s own money, as opposed to a grant, award or option exercise; an open-market sale is code S. When two or more distinct insiders report open-market purchases in the same 90-day window, this site labels that a cluster — a definition, not a forecast; see insider cluster buying. “Held after” is Form 4 Table I column 5; “Change” = shares ÷ holdings before the trade (held after − shares for an acquisition, held after + shares for a disposition).

Insider Buying at TEM

No open-market insider purchases (Form 4 code P) were reported for TEM between Jul 8, 2026 and Sep 29, 2026. The filings below may include other transaction types — sales, grants, option exercises, and tax withholding — shown for completeness; they are not open-market purchases.

Recent Form 4 filings

Source: SEC EDGAR Form 4 · transaction codes explained

Thomas Edward Schoenherr CEO, Diagnostics · filed Sep 29, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 10b5-1 box checked 10,281 $85.00 76,740 −12% Sep 25, 2026

† change in this filer’s own reported holding line (Form 4 Table I, col. 5), not of total company ownership; small prior holdings produce large percentages, so under 100 shares the prior holding is shown instead.

“10b5-1 box checked” = the filer checked the Form 4 box stating that a transaction on the filing was made under a plan intended to satisfy Rule 10b5-1(c); “10b5-1 box not checked” = the box was left blank, which does not prove that no plan exists. The box applies to Form 4s filed from April 1, 2023; older filings, and boxes we could not read, carry no tag. What the 10b5-1 box means.

Eric P. Lefkofsky CEO and Chairman · filed Sep 24, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 10b5-1 box checked 965 $76.57 808,666 (indirect) −0.1% Sep 22, 2026
Open-market sale 10b5-1 box checked 432 $78.86 14,850,469 (indirect) −0.0% Sep 22, 2026
Open-market sale 10b5-1 box checked 37,950 $78.23 14,850,901 (indirect) −0.3% Sep 22, 2026
Open-market sale 10b5-1 box checked 79,259 $77.29 14,888,851 (indirect) −0.5% Sep 22, 2026
Open-market sale 10b5-1 box checked 17,359 $76.57 14,968,110 (indirect) −0.1% Sep 22, 2026
Open-market sale 10b5-1 box checked 160 $78.86 100,000 (indirect) −0.2% Sep 22, 2026
Open-market sale 10b5-1 box checked 14,042 $78.23 100,160 (indirect) −12% Sep 22, 2026
Open-market sale 10b5-1 box checked 29,367 $77.29 114,202 (indirect) −20% Sep 22, 2026
Open-market sale 10b5-1 box checked 6,431 $76.57 143,569 (indirect) −4.3% Sep 22, 2026
Open-market sale 10b5-1 box checked 24 $78.86 802,131 (indirect) −0.0% Sep 22, 2026
Open-market sale 10b5-1 box checked 184 $78.86 8,545,283 (indirect) −0.0% Sep 22, 2026
Open-market sale 10b5-1 box checked 2,091 $78.23 802,155 (indirect) −0.3% Sep 22, 2026
Open-market sale 10b5-1 box checked 16,152 $78.23 8,545,467 (indirect) −0.2% Sep 22, 2026
Open-market sale 10b5-1 box checked 33,770 $77.29 8,561,619 (indirect) −0.4% Sep 22, 2026
Open-market sale 10b5-1 box checked 7,394 $76.57 8,595,389 (indirect) −0.1% Sep 22, 2026
Open-market sale 10b5-1 box checked 4,420 $77.29 804,246 (indirect) −0.5% Sep 22, 2026
Andrew Polovin EVP, Chief Legal Officer · filed Sep 18, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 10b5-1 box checked 2,951 $75.00 135,189 −2.1% Sep 17, 2026
Ryan M. Bartolucci Chief Accounting Officer · filed Sep 18, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 10b5-1 box checked 7,062 $75.00 60,804 −10% Sep 17, 2026
Eric P. Lefkofsky CEO and Chairman · filed Sep 18, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 10b5-1 box checked 123,391 $80.52 14,997,078 (indirect) −0.8% Sep 17, 2026
Open-market sale 10b5-1 box checked 52,558 $80.52 8,607,725 (indirect) −0.6% Sep 17, 2026
Open-market sale 10b5-1 box checked 4,942 $81.09 8,602,783 (indirect) −0.1% Sep 17, 2026
Open-market sale 10b5-1 box checked 645 $81.09 809,631 (indirect) −0.1% Sep 17, 2026
Open-market sale 10b5-1 box checked 6,855 $80.52 810,276 (indirect) −0.8% Sep 17, 2026
Open-market sale 10b5-1 box checked 11,609 $81.09 14,985,469 (indirect) −0.1% Sep 17, 2026
Ryan Fukushima CEO, Data · filed Sep 18, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 10b5-1 box checked 700 $70.00 15,874 (indirect) −4.2% Sep 16, 2026
Ryan Fukushima CEO, Data · filed Sep 3, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 10,900 $62.64 — — Sep 1, 2026
Open-market sale 5,900 $63.80 — — Sep 1, 2026
Open-market sale 1,000 $64.63 — — Sep 1, 2026
Open-market sale 13,046 $62.12 — — Sep 1, 2026
Jennifer A. Doudna Director · filed Sep 3, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 676 $65.55 — — Sep 1, 2026
David R. Epstein Director · filed Sep 3, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 250 $65.55 — — Sep 1, 2026
Nadja West Director · filed Sep 1, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 3,000 $69.00 — — Aug 28, 2026
Eric P. Lefkofsky Director & Officer · filed Aug 27, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 11,167 $69.83 — — Aug 25, 2026
Open-market sale 681 $70.58 — — Aug 25, 2026
Eric P. Lefkofsky Director & Officer · filed Aug 27, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 52,784 $68.97 — — Aug 25, 2026
Open-market sale 760 $64.03 — — Aug 25, 2026
Open-market sale 2,168 $64.70 — — Aug 25, 2026
Open-market sale 3,944 $65.98 — — Aug 25, 2026
Open-market sale 4,218 $67.01 — — Aug 25, 2026
Open-market sale 10,282 $68.13 — — Aug 25, 2026
Open-market sale 22,495 $68.97 — — Aug 25, 2026
Open-market sale 12,851 $69.83 — — Aug 25, 2026
Open-market sale 782 $70.58 — — Aug 25, 2026
Open-market sale 1,789 $64.03 — — Aug 25, 2026
Open-market sale 5,093 $64.70 — — Aug 25, 2026
Open-market sale 9,262 $65.98 — — Aug 25, 2026
Open-market sale 9,935 $67.01 — — Aug 25, 2026
Open-market sale 24,161 $68.13 — — Aug 25, 2026
Open-market sale 30,139 $69.83 — — Aug 25, 2026
Open-market sale 1,837 $70.58 — — Aug 25, 2026
Open-market sale 101 $64.03 — — Aug 25, 2026
Open-market sale 284 $64.70 — — Aug 25, 2026
Open-market sale 515 $65.98 — — Aug 25, 2026
Open-market sale 578 $67.01 — — Aug 25, 2026
Open-market sale 1,365 $68.13 — — Aug 25, 2026
Open-market sale 2,887 $68.96 — — Aug 25, 2026
Open-market sale 1,668 $69.83 — — Aug 25, 2026
Open-market sale 102 $70.58 — — Aug 25, 2026
Open-market sale 660 $64.03 — — Aug 25, 2026
Open-market sale 1,883 $64.70 — — Aug 25, 2026
Open-market sale 3,429 $65.98 — — Aug 25, 2026
Open-market sale 3,649 $67.01 — — Aug 25, 2026
Open-market sale 8,926 $68.13 — — Aug 25, 2026
Open-market sale 19,605 $68.97 — — Aug 25, 2026
Thomas Edward Schoenherr CEO, Diagnostics · filed Aug 25, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 2,694 $70.00 — — Aug 21, 2026
Ryan Fukushima CEO, Data · filed Aug 25, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 14,286 $70.00 — — Aug 21, 2026
Thomas Edward Schoenherr CEO, Diagnostics · filed Aug 20, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 3,094 $55.97 — — Aug 19, 2026
Open-market sale 100 $56.47 — — Aug 19, 2026
Open-market sale 500 $57.94 — — Aug 19, 2026
Open-market sale 2,994 $59.97 — — Aug 19, 2026
Open-market sale 900 $60.45 — — Aug 19, 2026
Open-market sale 494 $61.23 — — Aug 19, 2026
Open-market sale 9,232 $49.61 — — Aug 18, 2026
James William Rogers Chief Financial Officer · filed Aug 20, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 26,313 $60.00 — — Aug 19, 2026
Open-market sale 22,529 $49.61 — — Aug 18, 2026
Andrew Polovin EVP, Chief Legal Officer · filed Aug 20, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 7,927 $56.00 — — Aug 19, 2026
Open-market sale 22,148 $49.61 — — Aug 18, 2026
Ryan Fukushima CEO, Data · filed Aug 20, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 41,095 $49.61 — — Aug 18, 2026
Ryan M. Bartolucci Chief Accounting Officer · filed Aug 20, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 6,175 $49.61 — — Aug 18, 2026
Eric P. Lefkofsky Director & Officer · filed Aug 20, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 132,591 $49.61 — — Aug 18, 2026
Nadja West Director · filed Aug 18, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 3,000 $53.90 — — Aug 14, 2026
Ryan Fukushima CEO, Data · filed Aug 14, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Gift 62,239 — 61,706 (indirect) −50% Aug 12, 2026
Ryan Fukushima CEO, Data · filed Aug 11, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 20,000 $50.04 — — Aug 7, 2026
Ryan Fukushima CEO, Data · filed Aug 5, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 1,300 $44.33 — — Aug 3, 2026
Open-market sale 2,562 $46.94 — — Aug 3, 2026
Open-market sale 15,856 $46.57 — — Aug 3, 2026
Open-market sale 3,100 $45.33 — — Aug 3, 2026
Open-market sale 1,000 $43.25 — — Aug 3, 2026
David R. Epstein Director · filed Aug 5, 2026 · SEC ↗
TransactionSharesPriceHeld afterChange†Date
Open-market sale 370 $43.40 — — Aug 3, 2026

Listing the 25 most recent of 30 Form 4 filings held for TEM; the 5 older filings (filed Jul 8 – Jul 31, 2026) are counted above but not listed here — see TEM's full Form 4 filing history on SEC EDGAR.

Insider filings reported around the same time

Other companies whose most recent Form 4 was filed closest to TEM's (Sep 29, 2026).

Frequently asked about TEM insider activity

How many insiders bought TEM stock in these Form 4 filings?

No open-market purchases (Form 4 code P) of TEM shares were reported by Tempus Ai Inc insiders between Jul 8, 2026 and Sep 29, 2026. The 30 filings shown on this page cover other transaction types — sales, grants, option exercises, and tax withholding.

Who filed the most recent Form 4 for TEM?

The most recent Form 4 on this page was filed by Thomas Edward Schoenherr (CEO, Diagnostics) on Sep 29, 2026, reporting 1 transaction. The original document is linked from the filing list above on SEC EDGAR. Amended filings (Form 4/A) may later revise reported figures.

What was the largest open-market TEM insider sale shown?

The largest open-market sale among the filings shown was 123,391 TEM shares at $80.52 (about $9,935,443) by Eric P. Lefkofsky (CEO and Chairman) on Sep 17, 2026. Value is shares × the price reported on the Form 4; that Form 4 has the Rule 10b5-1 box checked.

New to Form 4s? The transaction codes, the 90-day window and the 0–100 score are defined on the insider-activity score methodology page.

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This score summarizes SEC Form 4 filing activity over the trailing 90 days. It is descriptive, not predictive — not a rating, recommendation, or investment advice. Data: SEC EDGAR (public domain), as filed; amendments may revise figures. Tradune is not a registered investment adviser.

Data as filed; amended filings (Form 4/A) may revise figures. Sales may occur under prearranged Rule 10b5-1 trading plans.