Brian D. Paliotti) - 27 Feb 2025 Form 4 Insider Report for NEWMARKET CORP (NEU)

Role: President Afton Chemical Corp
Signature: /s/ Anne-Marie Anderson, (by Power of Attorney for Brian D. Paliotti)
Issuer symbol: NEU
Transactions as of: 27 Feb 2025
Net transactions value: -$85,031
Form type: 4
Filing time: 03 Mar 2025, 16:15:06 UTC
Previous filing: 26 Feb 2024
Next filing: 09 Feb 2026
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NEU	Common Stock	Award	$0	+500	+20%	$0.000000	3,026	27 Feb 2025	Direct	F1
transaction	NEU	Common Stock	Tax liability	$85,031	-151	-5%	$563.12	2,875	27 Feb 2025	Direct	F2
holding	NEU	Common Stock						601	27 Feb 2025	NewMarket Savings Plan	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On February 27, 2025, 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.
F2	Shares withheld by the Company to satisfy tax withholding obligations related to the Performance Stock that vested on February 27, 2025.
F3	The increase in shares is due to periodic purchases by the Plan Trustee pursuant to the Plan.