Labcorp (LH) CMO Amy Summy logs RSU conversions and tax share withholding

Rhea-AI Filing Summary

Labcorp Holdings Inc. executive Amy B. Summy, EVP and Chief Marketing Officer, reported multiple equity transactions. On February 6 and 7, 2026, restricted stock units (RSUs) converted into 223 and 222 shares of common stock, respectively, at an exercise price of $0.

To cover tax withholding obligations, 92 shares of common stock at $277.2 per share on February 6 and 80 shares at $274.01 per share on February 9 were withheld and disposed of. Following these transactions, she directly beneficially owned 5,574.5 shares of common stock and continued to hold RSUs, including 1,136 and 914 units from separate awards.

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

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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^*

Summy Amy B.

(Last) (First) (Middle)

531 SOUTH SPRING STREET

(Street)

BURLINGTON NC 27215

(City) (State) (Zip)

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, Chief Marketing Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026

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

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

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

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	02/06/2026		M		223	A	(1)	5,524.5	D
Common Stock	02/06/2026		F(2)		92	D	$277.2	5,432.5	D
Common Stock	02/07/2026		M		222	A	(1)	5,654.5	D
Common Stock	02/09/2026		F(2)		80	D	$274.01	5,574.5	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)	02/06/2026		M			223	(3)	(3)	Common Stock	223	$0	1,136(4)	D
Restricted Stock Unit	(1)	02/07/2026		M			222	(5)	(5)	Common Stock	222	$0	914(4)	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. The Restricted Stock Units that have vested were part of a grant that vests in three equal annual installments beginning on February 6, 2025.

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

5. The Restricted Stock Units vested in three equal annual installments beginning on February 7, 2024 and are now fully vested.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Kathryn W. Kyle, Attorney-in-Fact for Amy B. Summy	02/10/2026
	** 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).
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FAQ

What did Labcorp (LH) executive Amy B. Summy report in this Form 4 filing?

Amy B. Summy reported RSU vesting and related share withholding for taxes. Restricted stock units converted into 223 and 222 Labcorp common shares on February 6 and 7, 2026, and 92 and 80 shares were withheld and disposed of to satisfy tax obligations.

How many Labcorp (LH) common shares does Amy B. Summy hold after these transactions?

After the reported transactions, Amy B. Summy directly holds 5,574.5 Labcorp common shares. This balance reflects RSU conversions and share withholding for taxes recorded between February 6 and February 9, 2026, as disclosed in the non-derivative transaction table.

What restricted stock unit (RSU) activity did the Labcorp (LH) Form 4 disclose for Amy B. Summy?

The filing shows RSU conversions into Labcorp common stock. On February 6, 2026, 223 RSUs converted, and on February 7, 2026, 222 RSUs converted, each into an equal number of common shares. The RSUs were part of awards vesting in three equal annual installments.

Why were Labcorp (LH) shares disposed of in Amy B. Summy’s Form 4?

Shares were disposed of to cover tax withholding obligations. The filing notes stock withholding transactions of 92 shares at $277.2 per share and 80 shares at $274.01 per share, both coded “F,” which indicates shares withheld for taxes on equity awards.

What ongoing RSU holdings for Amy B. Summy are shown in the Labcorp (LH) Form 4?

The Form 4 lists continuing RSU positions after vesting events. Following the February 6 and 7, 2026 transactions, derivative holdings include 1,136 and 914 restricted stock units from separate grants, each representing the contingent right to receive one share of Labcorp common stock.

What are the vesting terms of Amy B. Summy’s Labcorp (LH) RSU grants mentioned in the filing?

The RSU grants vest in three equal annual installments. One award began vesting on February 6, 2025, and another on February 7, 2024. The February 7, 2024 grant is now fully vested, while the February 6, 2025 grant continues vesting annually according to the schedule.