Labcorp EVP sells 234 shares after RSU vesting

Labcorp Holdings executive Bryan T. Vaughn reported an option-style vesting and a small open-market sale of company stock.

Rhea-AI Filing Summary

Labcorp Holdings executive Bryan T. Vaughn reported an option-style vesting and a small open-market sale of company stock. On July 1, 2026, 327 Restricted Stock Units converted into the same number of Labcorp common shares, while 93 shares were withheld to cover tax obligations.

On July 2, 2026, Vaughn sold 234 common shares in an open-market transaction at $286.19 per share under a pre-arranged Rule 10b5-1 trading plan. After these transactions, he directly holds 6,745.5702 Labcorp shares and 3,704 Restricted Stock Units in total.

Insider Trade Summary 10b5-1

Exercise and sale activity reported; no spread calculated

Exercise and Sale 4 txns

Insider Vaughn Bryan T

Role EVP and President, Diagnostics

Sold 234 shs ($67K)

Approx. gross sale proceeds $67K

Approx. exercise cost $0.00

Type	Security	Shares	Price	Value
Sale	Common Stock	234	$286.19	$67K
Exercise	Restricted Stock Unit	327	$0.00	$0.00
Exercise	Common Stock	327	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	93	$283.88	$26K

Holdings After Transaction: Restricted Stock Unit — 3,704 contracts (Direct); Common Stock — 6,745.5702 shares (Direct)

Footnotes (5)

1. F1. Each Restricted Stock Unit represents the contingent right to receive one share of Labcorp Holdings Inc. Common Stock.
2. F2. Stock withholding to satisfy tax withholding obligations.
3. F3. Pursuant to a plan in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.
4. F4. The Restricted Stock Units that have vested were part of a grant that vests in three equal annual installments beginning on July 1, 2026.
5. F5. This number reflects the aggregate number of Restricted Stock Units held by the reporting person.

Key Figures

Open-market sale: 234 shares at $286.19 Shares after sale: 6,745.5702 shares RSUs converted: 327 Restricted Stock Units +3 more

6 metrics

Open-market sale 234 shares at $286.19 Common Stock sale on July 2, 2026

Shares after sale 6,745.5702 shares Direct Labcorp common stock holdings post-transaction

RSUs converted 327 Restricted Stock Units Converted into 327 common shares on July 1, 2026

Tax withholding shares 93 shares Withheld to satisfy tax obligations on July 1, 2026

RSUs remaining 3,704 Restricted Stock Units Aggregate RSUs held after transactions

Transaction net direction net-sell of 234 shares Based on Form 4 transactionSummary

Key Terms

Restricted Stock Unit, Rule 10b5-1, tax withholding, derivative security

4 terms

Restricted Stock Unit financial

"Each Restricted Stock Unit represents the contingent right to receive one share of Labcorp Holdings Inc. Common Stock."

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Rule 10b5-1 regulatory

"Pursuant to a plan in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended."

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

tax withholding financial

"Stock withholding to satisfy tax withholding obligations."

Tax withholding is the practice of taking a portion of a payment—such as wages, dividends, or sale proceeds—before it reaches the recipient and sending that portion to the tax authority as an advance on the recipient’s eventual tax bill. For investors it matters because withholding reduces immediate cash received and affects after‑tax returns, estimated tax payments, and whether you may owe more or receive a refund when taxes are finally calculated, like having a small automatic savings set aside for your tax bill.

derivative security financial

"Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/06/2026 - 09:36 AM EDT Learn about SEC filing dates

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).

X

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^*

Vaughn Bryan T

(Last) (First) (Middle)

531 SOUTH SPRING STREET

(Street)

BURLINGTON NORTH CAROLINA 27215

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
LABCORP HOLDINGS INC. [ LH ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP and President, Diagnostics

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

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	07/01/2026		M		327	A	(1)	7,072.5702	D
Common Stock	07/01/2026		F(2)		93	D	$283.88	6,979.5702	D
Common Stock	07/02/2026		S(3)		234	D	$286.19	6,745.5702	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
Restricted Stock Unit	(1)	07/01/2026		M			327	(4)	(4)	Common Stock	327	$0	3,704(5)	D

Explanation of Responses:

1. Each Restricted Stock Unit represents the contingent right to receive one share of Labcorp Holdings Inc. Common Stock.

2. Stock withholding to satisfy tax withholding obligations.

3. Pursuant to a plan in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

4. The Restricted Stock Units that have vested were part of a grant that vests in three equal annual installments beginning on July 1, 2026.

5. This number reflects the aggregate number of Restricted Stock Units held by the reporting person.

	/s/ Kathryn W. Kyle, Attorney-in-Fact for Bryan T. Vaughn	07/06/2026
	** 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)