AdvanSix (ASIX) director reports 1,721-share deferred stock award

Rhea-AI Filing Summary

AdvanSix Inc. director Donald P. Newman reported acquiring 1,721 shares of common stock through a deferred stock unit allocation.

The transaction on 12/15/2025 reflects deferred compensation credited to his AdvanSix deferred stock unit fund at $15.97 per share, with each unit economically equivalent to one share and payable in stock upon distribution.

After this award, he beneficially owns 15,306 AdvanSix shares, including 88 stock units credited as dividend equivalents related to unvested restricted stock units and deferred stock units.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider NEWMAN DONALD P

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.01	1,721	$15.97	$27K

Holdings After Transaction: Common Stock, par value $0.01 — 15,306 shares (Direct)

Footnotes (1)

1. Represents the allocation of deferred compensation to the reporting person's deferred stock unit fund account under the AdvanSix Inc. Deferred Compensation Plan. Each unit allocated under the stock unit fund represents the economic equivalent of one share of common stock. Units are paid out in shares of AdvanSix Inc. common stock upon distribution. Includes an additional 88 shares representing stock units credited as dividend equivalents in connection with unvested restricted stock units under the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates, as amended and restated, and deferred stock units under the AdvanSix Inc. Deferred Compensation Plan, which were acquired in transactions exempt from reporting under Rule 16a-11.

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^*

NEWMAN DONALD P

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025

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	12/15/2025		A		1,721(1)	A	$15.97	15,306(2)	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. Represents the allocation of deferred compensation to the reporting person's deferred stock unit fund account under the AdvanSix Inc. Deferred Compensation Plan. Each unit allocated under the stock unit fund represents the economic equivalent of one share of common stock. Units are paid out in shares of AdvanSix Inc. common stock upon distribution.

2. Includes an additional 88 shares representing stock units credited as dividend equivalents in connection with unvested restricted stock units under the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates, as amended and restated, and deferred stock units under the AdvanSix Inc. Deferred Compensation Plan, which were acquired in transactions exempt from reporting under Rule 16a-11.

Remarks:

	/s/ Achilles B. Kintiroglou for Donald P. Newman	12/17/2025
	** 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 transaction did AdvanSix (ASIX) disclose?

On 12/15/2025, director Donald P. Newman acquired 1,721 AdvanSix common shares at $15.97 each through a deferred stock unit allocation under the AdvanSix Inc. Deferred Compensation Plan.

How many AdvanSix shares does the director own after this transaction?

Following the reported transaction, Donald P. Newman beneficially owns 15,306 AdvanSix common shares.

What is the nature of the 1,721-share award reported for AdvanSix (ASIX)?

The 1,721 shares represent deferred compensation allocated to the director’s deferred stock unit fund, with each unit economically equivalent to one AdvanSix common share and paid out in shares upon distribution.

Are dividend-equivalent stock units included in the director’s AdvanSix holdings?

Yes. The reported beneficial ownership includes an additional 88 shares representing stock units credited as dividend equivalents on unvested restricted stock units and deferred stock units.

Were the dividend-equivalent stock units reportable as separate transactions?

The 88 dividend-equivalent stock units were acquired in transactions exempt from reporting under Rule 16a-11.

Does this AdvanSix filing report any derivative securities transactions?

No derivative securities are listed as acquired or disposed of; the table for derivative securities shows no reportable entries.