CAI
insider transactionsCaris Life Sciences, Inc. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 365d
+31.1K
31.1K buy · 0 sell
Net value · 365d
$501.4K
$501.4K in · $0 out
Sentiment · 365d
Net buying
100% buying · 0% selling
Open-market trades · 365d
1
31.1K buy · 0 sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
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Grant·A
Jonathan Kenneth Charles Knowles
Director
$25.0K
1.6K sh · $15.62
Own +1%
-
Grant·A
Director
$25.0K
1.6K sh · $15.62
Own +10%
-
Other·F
Senior Vice President, Chief …
$149.0K
9.8K sh · $15.25
Own -6%
-
Other·F
President
$211.3K
13.9K sh · $15.25
Own -3%
-
Other·F
Senior Vice President, Genera…
$92.2K
6.0K sh · $15.25
Own -3%
-
Other·F
David D Halbert KEY
Founder, Chairman, and Chief …
$620.9K
40.7K sh · $15.25
Own -2%
-
Other·F
Brian J Brille KEY
Vice Chairman and Executive V…
$213.3K
14.0K sh · $15.25
Own -6%
-
Buy·P
Director
$501.4K
31.1K sh · $16.15
Own +167%
-
Grant·A
Senior Vice President, Chief …
$0
64.0K sh
Own +64%
-
Grant·A
President
$0
83.2K sh
Own +18%
-
Grant·A
Senior Vice President, Genera…
$0
64.0K sh
Own +52%
-
Grant·A
David D Halbert KEY
Founder, Chairman, and Chief …
$0
320.1K sh
Own +14%
-
Grant·A
Brian J Brille KEY
Vice Chairman and Executive V…
$0
83.2K sh
Own +52%
-
Grant·A
Director
$50.0K
2.5K sh · $20.06
Own +15%
-
Grant·A
Director
$50.0K
2.5K sh · $20.06
Own +15%
-
Grant·A
Director
$50.0K
2.5K sh · $20.06
Own +15%
-
Grant·A
Director
$75.0K
3.7K sh · $20.06
Own +3%
-
Grant·A
Director
$50.0K
2.5K sh · $20.06
Own +2%
-
Grant·A
Director
$110.5K
5.5K sh · $20.06
Own +30%
-
Exercise·M
Director
$0
2.5K sh
Own New
-
Exercise·M
Director
$46.5K
2.5K sh · $18.60
Own +16%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| May 29, 2026 | Jonathan Kenneth Charles Knowles | Grant A | 1.6K | $25.0K |
| May 29, 2026 | George Poste | Grant A | 1.6K | $25.0K |
| May 15, 2026 | Luke Thomas Power KEY | Other F | 9.8K | $149.0K |
| May 15, 2026 | David Baxley Spetzler KEY | Other F | 13.9K | $211.3K |
| May 15, 2026 | John Russel Denton KEY | Other F | 6.0K | $92.2K |
| May 15, 2026 | David D Halbert KEY | Other F | 40.7K | $620.9K |
| May 15, 2026 | Brian J Brille KEY | Other F | 14.0K | $213.3K |
| May 11, 2026 | Jeff L Vacirca | Buy P | 31.1K | $501.4K |
| Mar 6, 2026 | Luke Thomas Power KEY | Grant A | 64.0K | $0 |
| Mar 6, 2026 | David Baxley Spetzler KEY | Grant A | 83.2K | $0 |
| Mar 6, 2026 | John Russel Denton KEY | Grant A | 64.0K | $0 |
| Mar 6, 2026 | David D Halbert KEY | Grant A | 320.1K | $0 |
| Mar 6, 2026 | Brian J Brille KEY | Grant A | 83.2K | $0 |
| Feb 26, 2026 | Lloyd Minor | Grant A | 2.5K | $50.0K |
| Feb 26, 2026 | David Paul Fredrickson | Grant A | 2.5K | $50.0K |
| Feb 26, 2026 | Jeff L Vacirca | Grant A | 2.5K | $50.0K |
| Feb 26, 2026 | Danny T Phillips | Grant A | 3.7K | $75.0K |
| Feb 26, 2026 | Jon Halbert | Grant A | 2.5K | $50.0K |
| Feb 26, 2026 | Peter M Castleman | Grant A | 5.5K | $110.5K |
| Jan 9, 2026 | Peter M Castleman | Exercise M | 2.5K | $0 |
| Jan 9, 2026 | Peter M Castleman | Exercise M | 2.5K | $46.5K |
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.