NewMarket (NYSE: NEU) EVP Hazelgrove nets 680 direct shares

Rhea-AI Filing Summary

NewMarket Corporation EVP & CAO Bruce R. Hazelgrove III reported equity compensation activity involving company common stock. On February 5, 2026, the compensation committee certified performance goals for performance-based restricted stock, resulting in 475 shares of common stock being credited to him at a price of $0.00 per share.

To cover tax withholding obligations tied to this vesting, 153 shares were withheld at $714.88 per share, leaving him with 680 directly held shares. In addition, he beneficially owns 21,905.58 shares indirectly through the NewMarket Savings Plan and 670 shares indirectly through his wife.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Hazelgrove Bruce R III

Role EVP & CAO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	475	$0.00	--
Tax Withholding	Common Stock	153	$714.88	$109K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 833 shares (Direct); Common Stock — 21,905.58 shares (Indirect, NewMarket Savings Plan)

Footnotes (1)

1. On February 5, 2026, the Compensation Committee certified attainment of the performance goals for certain performance-based restricted stock awards ("Performance Stock"). The Performance Stock settled with shares of common stock. Shares withheld by the Company to satisfy tax withholding obligations related to the Performance Stock that vested on February 5, 2026. The increase in shares is due to periodic purchases by the Plan Trustee pursuant to the Plan.

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
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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^*

Hazelgrove Bruce R III

(Last) (First) (Middle)

330 SOUTH FOURTH STREET

(Street)

RICHMOND VA 23219

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NEWMARKET CORP [ NEU ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & CAO

3. Date of Earliest Transaction (Month/Day/Year)
02/05/2026

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	02/05/2026		A		475(1)	A	$0.00	833	D
Common Stock	02/05/2026		F		153(2)	D	$714.88	680	D
Common Stock								21,905.58(3)	I	NewMarket Savings Plan
Common Stock								670	I	Shares held by wife

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. On February 5, 2026, the Compensation Committee certified attainment of the performance goals for certain performance-based restricted stock awards ("Performance Stock"). The Performance Stock settled with shares of common stock.

2. Shares withheld by the Company to satisfy tax withholding obligations related to the Performance Stock that vested on February 5, 2026.

3. The increase in shares is due to periodic purchases by the Plan Trustee pursuant to the Plan.

	/s/ Anne-Marie Anderson (by Power of Attorney for Bruce R. Hazelgrove, III)	02/09/2026
	** 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.

FAQ

What insider stock transactions did NewMarket (NEU) EVP Hazelgrove report?

Bruce R. Hazelgrove III reported vesting of 475 shares of NewMarket common stock and the withholding of 153 shares for taxes on February 5, 2026. After these transactions, he directly held 680 shares, with additional indirect holdings through a savings plan and his spouse.

How many NewMarket (NEU) shares does EVP Hazelgrove hold after this Form 4?

After the reported transactions, Bruce R. Hazelgrove III directly held 680 NewMarket common shares. He also beneficially owned 21,905.58 shares indirectly through the NewMarket Savings Plan and 670 shares indirectly through his wife, according to the February 5, 2026 holdings disclosure.

What does the 475-share grant to NewMarket (NEU) EVP Hazelgrove represent?

The 475 shares reflect performance-based restricted stock awards that vested after the compensation committee certified attainment of performance goals on February 5, 2026. These awards, described as Performance Stock, settled in shares of NewMarket common stock at a recorded price of zero per share.

Why were 153 NewMarket (NEU) shares withheld in EVP Hazelgrove’s Form 4?

The 153 shares were withheld by NewMarket to satisfy tax withholding obligations on the Performance Stock that vested on February 5, 2026. This is a common practice where part of the vested award is retained to cover applicable tax liabilities for the executive.

What indirect NewMarket (NEU) holdings does EVP Hazelgrove report?

Bruce R. Hazelgrove III reports two categories of indirect ownership: 21,905.58 shares held through the NewMarket Savings Plan and 670 shares held by his wife. These positions are listed as indirect beneficial ownership as of the February 5, 2026 reporting date.

What is the role of performance goals in NewMarket (NEU) EVP Hazelgrove’s stock awards?

His Performance Stock awards vested only after the compensation committee certified attainment of specified performance goals on February 5, 2026. Once those goals were confirmed, the performance-based restricted stock settled in shares of NewMarket common stock credited to him on that date.