Tempus AI Ownership & Insider Activity

Tempus AI (TEM) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.9% of shares outstanding. Institutional investors hold 39.5%. Over the past 90 days, insiders made 25 sales worth $76.2M.

Shares Outstanding

180.435M

Shares Float

99.884M

Insider Shares Owned

3.464M

Insider % Owned

1.9%

Institutional Shares Held

71.730M

Institutional % Held

39.5%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$76.2M total

Net Activity

Net Selling

Net Value (90d)

-$76.2M

Tempus AI Insider Transactions (Last 6 Months)

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Date	Insider	Title	Type	Shares	Price	Value
Sep 17, 2026	ERIC LEFKOFSKY	CEO AND CHAIRMAN	SELL	200.000K	$80.57	$16.1M
Sep 17, 2026	Ryan Bartolucci	CHIEF ACCOUNTING OFFICER	SELL	7.062K	$75.00	$530K
Sep 17, 2026	Andrew Polovin	EVP, CHIEF LEGAL OFFICER	SELL	2.951K	$75.00	$221K
Sep 16, 2026	Ryan Fukushima	CEO, DATA	SELL	700.000	$70.00	$49K
Sep 1, 2026	Ryan Fukushima	CEO, DATA	SELL	30.846K	$62.71	$1.9M
Sep 1, 2026	Jennifer Doudna	—	SELL	676.000	$65.55	$44K
Sep 1, 2026	David Epstein	—	SELL	250.000	$65.55	$16K
Aug 28, 2026	Nadja West	—	SELL	3.000K	$69.00	$207K
Aug 25, 2026	ERIC LEFKOFSKY	CEO AND CHAIRMAN	SELL	11.848K	$69.87	$828K
Aug 25, 2026	ERIC LEFKOFSKY	CEO AND CHAIRMAN	SELL	238.152K	$68.39	$16.3M
Aug 21, 2026	Edward Thomas Schoenherr	CEO, DIAGNOSTICS	s	2.694K	$70.00	$189K
Aug 21, 2026	Ryan Fukushima	CEO, DATA	SELL	14.286K	$70.00	$1.0M
Aug 18, 2026	Ryan Fukushima	CEO, DATA	SELL	41.095K	$49.61	$2.0M
Aug 18, 2026	ERIC LEFKOFSKY	CEO AND CHAIRMAN	SELL	132.591K	$49.61	$6.6M
Aug 18, 2026	Edward Thomas Schoenherr	CEO, DIAGNOSTICS	SELL	17.314K	$53.71	$930K
Aug 18, 2026	William James Rogers	CHIEF FINANCIAL OFFICER	SELL	48.842K	$55.21	$2.7M
Aug 18, 2026	Andrew Polovin	EVP, CHIEF LEGAL OFFICER	SELL	30.075K	$51.29	$1.5M
Aug 18, 2026	Ryan Bartolucci	CHIEF ACCOUNTING OFFICER	SELL	6.175K	$49.61	$306K
Aug 14, 2026	Nadja West	—	SELL	3.000K	$53.90	$162K
Aug 7, 2026	Ryan Fukushima	CEO, DATA	SELL	20.000K	$50.04	$1.0M
Aug 3, 2026	David Epstein	—	SELL	370.000	$43.40	$16K
Aug 3, 2026	Ryan Fukushima	CEO, DATA	SELL	23.818K	$46.19	$1.1M
Jul 28, 2026	ERIC LEFKOFSKY	CEO AND CHAIRMAN	SELL	250.000K	$42.06	$10.5M
Jul 8, 2026	Ryan Fukushima	CEO, DATA	SELL	33.284K	$57.39	$1.9M
Jul 6, 2026	Ryan Fukushima	CEO, DATA	SELL	10.000K	$60.00	$600K
Jun 29, 2026	ERIC LEFKOFSKY	CEO AND CHAIRMAN	SELL	166.250K	$57.48	$9.6M
Jun 25, 2026	Jennifer Doudna	—	SELL	2.673K	$55.00	$147K
Jun 25, 2026	William James Rogers	CHIEF FINANCIAL OFFICER	SELL	11.529K	$55.00	$634K
Jun 1, 2026	David Epstein	—	SELL	250.000	$49.40	$12K
May 27, 2026	ERIC LEFKOFSKY	CEO AND CHAIRMAN	SELL	166.250K	$46.70	$7.8M
May 19, 2026	Edward Thomas Schoenherr	CEO, DIAGNOSTICS	SELL	1.580K	$44.07	$70K
May 19, 2026	William James Rogers	CHIEF FINANCIAL OFFICER	SELL	10.853K	$44.07	$478K
May 19, 2026	Andrew Polovin	EVP, CHIEF LEGAL OFFICER	SELL	8.703K	$44.07	$384K
May 19, 2026	ERIC LEFKOFSKY	CEO AND CHAIRMAN	SELL	22.335K	$44.07	$984K
May 19, 2026	Ryan Fukushima	CEO, DATA	SELL	13.550K	$44.07	$597K
May 19, 2026	Ryan Bartolucci	CHIEF ACCOUNTING OFFICER	SELL	4.116K	$44.07	$181K
Apr 28, 2026	ERIC LEFKOFSKY	CEO AND CHAIRMAN	SELL	166.250K	$51.13	$8.5M
Mar 26, 2026	ERIC LEFKOFSKY	CEO AND CHAIRMAN	SELL	166.250K	$46.38	$7.7M

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Congressional Trading Activity

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Date	Member	Party	Chamber	Action	Amount
Jan 16, 2026	Nancy Pelosi	D	House	Purchase	$50,001 - $100,000
May 9, 2025	Robert Bresnahan	R	House	Purchase	$1,001 - $15,000
Jan 14, 2025	Nancy Pelosi	D	House	Purchase	$50,001 - $100,000

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