Rachael E. Ryan - 26 Feb 2026 Form 4 Insider Report for AdvanSix Inc. (ASIX)

Role: VP, Controller
Signature: /s/ Achilles B. Kintiroglou for Rachael Ryan
Issuer symbol: ASIX
Transactions as of: 26 Feb 2026
Net transactions value: +$99,998
Form type: 4
Filing time: 02 Mar 2026, 17:12:50 UTC
Previous filing: 26 Mar 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Ryan Rachael E	VP, Controller	300 KIMBALL DRIVE, SUITE 101, PARSIPPANY	/s/ Achilles B. Kintiroglou for Rachael Ryan	02 Mar 2026	0002059467

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ASIX	Common Stock, par value $0.01	Award	$99,998	+5,621	+43%	$17.79	18,587	26 Feb 2026	Direct	F1

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

Explanation of Responses:

Id	Content
F1	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.