Caris Life Sciences (CAI) logs RSU tax share withholding

Rhea-AI Filing Summary

Caris Life Sciences, Inc. president David Baxley Spetzler reported a routine tax-withholding disposition related to vested RSUs. On the transaction date, 13,856 shares of common stock were withheld at $15.25 per share to cover taxes, leaving him with 530,083 shares owned directly after the transaction.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Spetzler David Baxley

Role President

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	13,856	$15.25	$211K

Holdings After Transaction: Common Stock — 530,083 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares withheld for taxes: 13,856 shares Withholding price per share: $15.25 per share Shares owned after transaction: 530,083 shares +1 more

4 metrics

Shares withheld for taxes 13,856 shares Tax-withholding disposition on RSU vesting

Withholding price per share $15.25 per share Value used for RSU tax withholding

Shares owned after transaction 530,083 shares Direct holdings after tax withholding

Tax withholding shares (summary) 13,856 shares Form 4 transactionSummary taxWithholdingShares

Key Terms

RSUs, tax-withholding disposition, Payment of exercise price or tax liability by delivering securities

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 vested RSUs."

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.

Payment of exercise price or tax liability by delivering securities financial

"transaction_code_description: Payment of exercise price or tax liability by delivering securities"

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^*

Spetzler David Baxley

(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)
	President

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		13,856(1)	D	$15.25	530,083	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:

President

	/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 David Baxley Spetzler?

Caris Life Sciences reported that president David Baxley Spetzler had 13,856 shares of common stock withheld. The shares covered taxes on the vesting and settlement of RSUs, a standard non-market transaction rather than an open-market sale or purchase.

Was the Caris Life Sciences (CAI) Form 4 transaction a market sale of shares?

No, the Form 4 shows a tax-withholding disposition, not an open-market sale. Shares were withheld by the company to pay taxes due on vested RSUs, which is a common administrative step in equity compensation.

How many Caris Life Sciences (CAI) shares were withheld for taxes and at what price?

A total of 13,856 common shares were withheld at $15.25 per share. This withholding satisfied tax obligations tied to the vesting and settlement of restricted stock units granted to the company’s president.

How many Caris Life Sciences (CAI) shares does David Baxley Spetzler hold after the Form 4 transaction?

Following the tax-withholding disposition, David Baxley Spetzler directly owns 530,083 shares of Caris Life Sciences common stock. This figure reflects his position after the RSU-related withholding recorded in the filing.

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

Transaction code "F" indicates payment of an exercise price or tax liability using securities. In this case, it reflects shares withheld to pay taxes on RSU vesting, rather than discretionary buying or selling in the open market.