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CAI Caris Life Sciences, Inc. Insider Trading

Latest: Director Bought $990K of Shares · May 2026

Multiple insiders have been active at Caris Life Sciences, Inc. (CAI): 6 distinct insiders account for 6 buy filings and 1 sell filing as of Jul 2026. Its highest-significance filing in the last 90 days: Director Jon Halbert bought $990K, transaction dated May 2026.

7 filings analyzed · Latest 2026-07-13

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Buys
6
Sells
1
Insiders
6
Direction
Net buying

Caris Life Sciences, Inc. leadership

CEO
David Dean Halbert — Chief Executive Officer
CFO
Luke Power — Chief Financial Officer
General Counsel
J. Russel Denton — Senior Vice President, General Counsel and Secretary
Chair
David Dean Halbert — Founder, Chairman and Chief Executive Officer
High conviction

This is a high-conviction signal — the insider is a first-time or occasional buyer, historically the strongest subset. Such buys have outperformed the S&P 500 by a median ~3% over the 30 days after the trade (n ≈ 3,001, 2024-2026). Past results don't predict the future. How we measure this ↗

July 2026
2026-07-13
high
68,000 shares
$990,080
@ $14.56
Significance 6

Director Jon Halbert purchases 68,000 shares of Caris Life Sciences at $14.56; now holds 704,598 shares (+10.7%).

Jon Halbert, a director of Caris Life Sciences, acquired 68,000 shares at $14.56 on 2026-05-15, expanding his holdings by 10.7% to 704,598 shares total. The transaction occurred at a price that sits near the lower end of the 52-week range ($14.19–$42.50) and represents a $990,080 commitment. The company reported Revenue $216,174,000.00 for the latest quarter and Annual revenue growth (FY vs prior FY) of +97.0%, but remains unprofitable with Net income of $-510,000.00 and a full-year negative net income, reflected in an elevated P/E of 141.58. The stock is currently -60.0% from its 52-week high, suggesting the purchase occurred during a period of material price weakness relative to recent trading history. This substantial share acquisition by a director during a period of depressed valuation and significant revenue expansion, though from an unprofitable base, merits monitoring of the underlying business trajectory and capital allocation decisions.

May 2026
2026-05-12
high
31,050 shares
$501,426
@ $16.15
Significance 6

Director Vacirca Jeff L purchases 31,050 shares at $16.15, doubling his stake while stock trades well below 52-week highs.

Director Jeff Vacirca is making his second open-market purchase in the past two years, this time acquiring a substantial block that nearly doubles his holdings. The purchase occurs while the stock trades significantly below its 52-week high, having declined notably over the past three months. Vacirca's prior purchase history shows strong subsequent returns, with all prior buys resulting in gains within 90 days, suggesting he has demonstrated timing acuity on previous entries. However, the company remains unprofitable despite strong revenue growth, creating a mixed backdrop: the business is expanding rapidly, but profitability remains elusive. For a director without officer-level operational responsibilities to commit this level of capital at a depressed price point is noteworthy, though the unprofitable fundamentals suggest he is buying into a turnaround story rather than capitalizing on an already-stable business.

December 2025
2025-12-12 10b5-1 Plan
low
See Remarks
62,250 shares
$1,654,461
@ $26.58
Significance 3

Power Luke Thomas sold 62,250 shares at blended avg $26.58 via pre-arranged 10b5-1 plan (scheduled)

Power Luke Thomas executed 2 separate sales totaling 62,250 shares for $1,654,461.30 on 2025-12-11 at blended average price of $26.58, reducing his holdings from 161,821 shares to 99,571 shares (-38.5% of pre-transaction holdings). This transaction was conducted pursuant to a pre-arranged 10b5-1 trading plan adopted on 2025-08-19, meaning the timing and volume were scheduled in advance rather than discretionary responses to current market conditions. As a prearranged disposition, this sale provides limited insight into insider conviction about current valuation or near-term prospects; it reflects predetermined portfolio management mechanics rather than a contemporaneous judgment about the company.

November 2025
2025-11-10
high
See Remarks
4,184 shares
$100,793
@ $24.09
Significance 7

Caris Life Sciences insider buys 4,184 shares at $24.09; stock down 36.9% from 52-week high but prior buy at CAI showed +59.2% 90-day return.

Denton John Russel purchased 4,184 shares of CAI at $24.09, increasing his holdings by 83.7% to 9,184 shares post-transaction. The timing follows a meaningful price decline: the stock trades at $24.80 (36.9% below its 52-week high of $39.30) and has fallen 18.6% over the past 30 days and 23.6% over 90 days. Notably, Russel's prior purchase at CAI on 2025-06-20 delivered a 59.2% return over 90 days, and his cross-ticker track record shows 100% win rate on buys with an average 90-day return of 59.2%. The company's fundamentals remain intact with revenue of $216.8M and net income of $24.3M in the latest quarter against a $7.0B market cap. This acquisition in a depressed environment mirrors his demonstrated pattern of well-timed accumulation at this ticker.

2025-11-10
low
President
400 shares
$9,540
@ $23.85
Significance 3

CAI President Spetzler bought 400 shares at $23.85 on 2025-11-07; stock down 18.6% in 30 days, 23.6% in 90 days.

David Baxley Spetzler, President of Caris Life Sciences, purchased 400 shares for $9,540.00 at $23.85 on 2025-11-07, a modest addition to his 460.4K-share baseline position. The current price of $24.80 shows the stock has recovered slightly from the transaction price, but broader momentum is negative: the stock is down 18.6% over the past 30 days and down 23.6% over the past 90 days, trading 36.9% below its 52-week high of $39.30. The company maintains positive fundamentals with $24.3M in net income against $216.8M in quarterly revenue. This small-scale purchase in a weak price environment, combined with the insider's substantial pre-existing stake of 460.4K shares, provides a limited signal without additional context on the executive's broader trading pattern or board-wide activity.

June 2025
2025-06-23
medium
See Remarks
7,500 shares
$157,500
@ $21.00
Significance 5

Insider Denton John Russel bought 7,500 shares of CAI at $21.00 on 2025-06-20, raising holdings to 123,591 shares.

Denton John Russel purchased 7,500 shares at $21.00, increasing his position by 6.5% to 123,591 shares post-transaction. The stock is trading at $25.94 as of 2025-06-23, just 3 trading days post-purchase. Caris Life Sciences is a recent listing, so historical price comparisons are not yet meaningful. The purchase represents a direct capital commitment, but without longer-term trading history or fundamental context, the materiality of this transaction relative to the insider's portfolio and the company's trajectory remains to be established.

2025-06-23
high
See Remarks
30,000 shares
$630,000
@ $21.00
Significance 6

Brille bought 30,000 shares of CAI at $21.00 (total $630,000); holdings increased 22.7% to 162,428 shares post-purchase.

Brille Brian J purchased 30,000 shares at $21.00 on 2025-06-20, just 3 trading days before the current market price of $25.94, representing a material addition to his stake of 22.7% relative to pre-transaction holdings. The timing is proximate to the company's recent listing, and the substantial purchase size ($630,000.00 in absolute terms) and proportional increase suggests a meaningful commitment during the early post-IPO period. The open-market purchase nature of the transaction and the size relative to prior holdings warrant investor attention to potential insider conviction, though the limited post-purchase price history constrains assessment of broader strategic positioning.

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