CAI

insider transactions

Caris Life Sciences, Inc. — buys & sells by directors, officers and 10% owners (SEC Form 4).

30D 90D 1Y

Net shares · 90d

+31.1K

31.1K buy · 0 sell

Net value · 90d

$501.4K

$501.4K in · $0 out

Sentiment · 90d

Net buying

100% buying · 0% selling

Open-market trades · 90d

31.1K buy · 0 sell

Net buy / sell volume

Tap or hover the chart for daily net volume. Green = net buying, red = net selling.

All transactions

Grant·A
May 29, 26

Jonathan Kenneth Charles Knowles

Director

$25.0K

1.6K sh · $15.62

Own +1%
Grant·A
May 29, 26

George Poste

Director

$25.0K

1.6K sh · $15.62

Own +10%
Other·F
May 15, 26

Luke Thomas Power KEY

Senior Vice President, Chief …

$149.0K

9.8K sh · $15.25

Own -6%
Other·F
May 15, 26

David Baxley Spetzler KEY

President

$211.3K

13.9K sh · $15.25

Own -3%
Other·F
May 15, 26

John Russel Denton KEY

Senior Vice President, Genera…

$92.2K

6.0K sh · $15.25

Own -3%
Other·F
May 15, 26

David D Halbert KEY

Founder, Chairman, and Chief …

$620.9K

40.7K sh · $15.25

Own -2%
Other·F
May 15, 26

Brian J Brille KEY

Vice Chairman and Executive V…

$213.3K

14.0K sh · $15.25

Own -6%
Buy·P
May 11, 26

Jeff L Vacirca

Director

$501.4K

31.1K sh · $16.15

Own +167%

Date▾	Insider	Role	Type	Shares	Own Δ	Price	Value
May 29, 2026	Jonathan Kenneth Charles Knowles	Director	Grant A	1.6K	+1%	$15.62	$25.0K
May 29, 2026	George Poste	Director	Grant A	1.6K	+10%	$15.62	$25.0K
May 15, 2026	Luke Thomas Power KEY	Senior Vice President, Chief Financial Officer, and Chief Accounting Officer	Other F	9.8K	-6%	$15.25	$149.0K
May 15, 2026	David Baxley Spetzler KEY	President	Other F	13.9K	-3%	$15.25	$211.3K
May 15, 2026	John Russel Denton KEY	Senior Vice President, General Counsel, and Secretary	Other F	6.0K	-3%	$15.25	$92.2K
May 15, 2026	David D Halbert KEY	Founder, Chairman, and Chief Executive Officer	Other F	40.7K	-2%	$15.25	$620.9K
May 15, 2026	Brian J Brille KEY	Vice Chairman and Executive Vice President	Other F	14.0K	-6%	$15.25	$213.3K
May 11, 2026	Jeff L Vacirca	Director	Buy P	31.1K	+167%	$16.15	$501.4K

About CAI insider trading

This page tracks insider transactions for Caris Life Sciences, Inc. (CAI) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.