AdvanSix (ASIX) SVP, General Counsel awarded 28,106 restricted stock units

Rhea-AI Filing Summary

AdvanSix Inc. reported that SVP and General Counsel Achilles B. Kintiroglou acquired 28,106 shares of common stock through a grant of restricted stock units at a reference price of $17.79 per share. These units were granted under the 2016 Stock Incentive Plan and are scheduled to vest in three equal annual installments on the first three anniversaries of the grant date. Following this award, he directly holds 58,371 common shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Kintiroglou Achilles B.

Role SVP, General Counsel

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.01	28,106	$17.79	$500K

Holdings After Transaction: Common Stock, par value $0.01 — 58,371 shares (Direct)

Footnotes (1)

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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
Estimated average burden
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^*

Kintiroglou Achilles B.

(Last) (First) (Middle)

300 KIMBALL DRIVE, SUITE 101

(Street)

PARSIPPANY NJ 07054

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AdvanSix Inc. [ ASIX ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

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, par value $0.01	02/26/2026		A		28,106(1)	A	$17.79	58,371	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

Explanation of Responses:

1. 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.

Remarks:

	/s/ Achilles B. Kintiroglou	03/02/2026
	** 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 did AdvanSix (ASIX) disclose about Achilles B. Kintiroglou’s recent equity award?

AdvanSix disclosed that SVP and General Counsel Achilles B. Kintiroglou received a grant of 28,106 restricted stock units at $17.79 per share. The award was made under the company’s 2016 Stock Incentive Plan and vests in three equal annual installments.

How many AdvanSix (ASIX) shares were granted to Achilles B. Kintiroglou in this Form 4 filing?

The filing shows a grant of 28,106 restricted stock units of AdvanSix common stock to Achilles B. Kintiroglou. These units convert into shares as they vest over time. The grant reflects equity-based compensation rather than an open-market stock purchase.

What is the vesting schedule for Achilles B. Kintiroglou’s AdvanSix (ASIX) restricted stock units?

The restricted stock units are scheduled to vest in three equal annual installments on the first three anniversaries of the grant date. This staggered vesting aligns compensation with continued service, with one-third of the award becoming available each year.

What is the reference price per share for the AdvanSix (ASIX) restricted stock units granted?

The grant to Achilles B. Kintiroglou uses a reference price of $17.79 per share for the restricted stock units. This price is typically used for valuation and reporting purposes when documenting equity compensation awards in regulatory filings.

How many AdvanSix (ASIX) shares does Achilles B. Kintiroglou own after this restricted stock grant?

After this transaction, Achilles B. Kintiroglou directly holds 58,371 shares of AdvanSix common stock. This total reflects ownership following the grant of 28,106 restricted stock units reported, as disclosed in the Form 4 insider transaction filing.

Under which plan were the AdvanSix (ASIX) restricted stock units granted to Achilles B. Kintiroglou?

The restricted stock units were granted under the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates, as Amended and Restated. This plan governs equity-based awards such as restricted stock units for company executives and other eligible participants.