Caris Life Sciences (CAI) executive withholds 9,771 shares to pay RSU taxes

Rhea-AI Filing Summary

Caris Life Sciences executive Luke Thomas Power used company stock to cover taxes on vested RSUs. On this Form 4, 9,771 shares of Common Stock were withheld at $15.25 per share to pay withholding taxes. After this tax-withholding disposition, he directly holds 153,771 shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Power Luke Thomas

Role See Remarks

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	9,771	$15.25	$149K

Holdings After Transaction: Common Stock — 153,771 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares withheld for taxes: 9,771 shares Withholding price: $15.25 per share Shares held after transaction: 153,771 shares

3 metrics

Shares withheld for taxes 9,771 shares Withholding on RSU vesting and settlement

Withholding price $15.25 per share Price used for tax-withholding disposition

Shares held after transaction 153,771 shares Direct ownership after tax withholding

Key Terms

RSUs, tax-withholding disposition, Common Stock

3 terms

RSUs financial

"Shares withheld for the payment of taxes on the vesting and settlement of RSUs."

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

tax-withholding disposition financial

"transaction_action: tax-withholding disposition related to RSU vesting obligations."

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Common Stock financial

"Transaction involved Caris Life Sciences Common Stock held directly by the executive."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Power Luke Thomas

(Last) (First) (Middle)

C/O CARIS LIFE SCIENCES, INC.

750 W. JOHN CARPENTER FREEWAY, SUITE 800

(Street)

IRVING TEXAS 75039

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Caris Life Sciences, Inc. [ CAI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/15/2026		F		9,771(1)	D	$15.25	153,771	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares withheld for the payment of taxes on the vesting and settlement of RSUs.

Remarks:

Senior Vice President, Chief Financial Officer, and Chief Accounting Officer

	/s/ J. Russel Denton, Attorney-in-Fact	05/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Caris Life Sciences (CAI) report for Luke Thomas Power?

Caris Life Sciences reported that executive Luke Thomas Power had 9,771 shares of Common Stock withheld. These shares were used to pay taxes on the vesting and settlement of restricted stock units (RSUs), rather than being sold in the open market.

Was the Caris Life Sciences (CAI) insider transaction a stock sale or tax withholding?

The transaction was tax withholding, not an open-market sale. 9,771 shares were withheld at $15.25 per share to satisfy tax obligations arising from RSU vesting and settlement, according to the footnote on the Form 4 filing.

How many Caris Life Sciences (CAI) shares does Luke Thomas Power hold after this filing?

Following the tax-withholding transaction, Luke Thomas Power directly holds 153,771 shares of Caris Life Sciences Common Stock. This post-transaction balance is reported in the Form 4 as the total number of shares owned after the disposition.

What does transaction code F mean in the Caris Life Sciences (CAI) Form 4?

Transaction code F in the Caris Life Sciences Form 4 indicates shares were used to pay an exercise price or tax liability. Here, 9,771 shares were withheld specifically to cover taxes on the vesting and settlement of RSUs granted to Luke Thomas Power.

Did the Caris Life Sciences (CAI) Form 4 show any open-market buying or selling?

The Form 4 shows only a tax-withholding disposition, not open-market trading. Shares were withheld to cover RSU tax obligations, and the transaction is described as a payment of tax liability by delivering securities, with no buy or sell codes reported.