AdvanSix Inc. — Director's Dealing 2025

Mar 4, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AdvanSix Inc. (ASIX)
CIK: 0001673985
Period of Report: 2025-02-28

Reporting Person: Kintiroglou Achilles B. (SVP, General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-28	Common Stock, par value $0.01	F	4731	$27.75	Disposed	28507	Direct
2025-02-28	Common Stock, par value $0.01	A	15856	—	Acquired	44363	Direct
2025-03-03	Common Stock, par value $0.01	S	4000	$27.75	Disposed	40363	Direct

Footnotes

F1: Shares withheld to satisfy tax withholding obligations related to Restricted Stock Units that vested on February 28, 2025.

F2: Grant of restricted stock units pursuant to the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates, as Amended and Restated, which are scheduled to vest in three equal annual installments on the first three anniversaries of the grant date.

F3: The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 12, 2024.