AdvanSix director awarded 6,207 restricted stock units

O'Brien Dana C. reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

O'Brien Dana C. reported acquisition or exercise transactions in this Form 4 filing.

AdvanSix Inc. director Dana C. O'Brien reported an award of 6,207 shares of common stock in the form of restricted stock units granted at no cash cost. The award was made under the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates, as Amended and Restated, and will vest in full on June 22, 2027. Following this grant, O'Brien is shown as directly holding 6,207 shares.

Insider Trade Summary

Grant/Award: 6,207 shares

Grant/Award 1 txn

Insider O'Brien Dana C.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.01	6,207	$0.00	$0.00

Holdings After Transaction: Common Stock, par value $0.01 — 6,207 shares (Direct)

Footnotes (1)

1. F1. Grant of restricted stock units pursuant to the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates, as Amended and Restated, which will vest in full on June 22, 2027.

Key Figures

RSU grant size: 6,207 shares Grant price per share: $0.00 per share Shares after transaction: 6,207 shares +1 more

4 metrics

RSU grant size 6,207 shares Grant of restricted stock units on June 22, 2026

Grant price per share $0.00 per share Equity compensation, no cash purchase

Shares after transaction 6,207 shares Direct holdings following grant

Vesting date June 22, 2027 RSUs vest in full on this date

Key Terms

restricted stock units, 2016 Stock Incentive Plan, vest in full, Common Stock, par value $0.01

4 terms

restricted stock units financial

"Grant of restricted stock units pursuant to the 2016 Stock Incentive Plan"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

2016 Stock Incentive Plan financial

"pursuant to the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates"

vest in full financial

"which will vest in full on June 22, 2027"

Common Stock, par value $0.01 financial

"Common Stock, par value $0.01"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did AdvanSix (ASIX) director Dana C. O'Brien report?

Dana C. O'Brien reported receiving an award of 6,207 shares of AdvanSix common stock in the form of restricted stock units. The grant was recorded as a non-cash acquisition and reflects a compensation-related award under the company’s stock incentive plan.

How many AdvanSix (ASIX) shares were granted to Dana C. O'Brien?

Dana C. O'Brien was granted 6,207 shares of AdvanSix common stock through restricted stock units. These units represent a future right to receive shares, subject to vesting, rather than an immediate cash purchase in the open market.

When do Dana C. O'Brien’s AdvanSix (ASIX) restricted stock units vest?

The restricted stock units granted to Dana C. O'Brien will vest in full on June 22, 2027. Vesting means the units convert into actual shares of AdvanSix common stock that O'Brien can own outright, assuming continued satisfaction of applicable conditions.

Was cash paid for Dana C. O'Brien’s AdvanSix (ASIX) stock award?

No cash was paid for this award; the transaction price per share is reported as $0.00. This indicates the 6,207 shares were granted as equity compensation under AdvanSix’s stock incentive plan rather than purchased on the open market.

What plan governs Dana C. O'Brien’s AdvanSix (ASIX) restricted stock grant?

The grant was made under the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates, as Amended and Restated. This plan provides for equity-based awards like restricted stock units as part of compensation for eligible participants.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/24/2026 - 08:44 AM EDT Learn about SEC filing dates

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^*

O'Brien Dana C.

(Last) (First) (Middle)

300 KIMBALL DRIVE

STE 101

(Street)

PARSIPPANY NEW JERSEY 07054

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/22/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/22/2026		A		6,207(1)	A	$0	6,207	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 will vest in full on June 22, 2027.

Remarks:

	/s/ Achilles B. Kintiroglou for Dana O'Brien	06/22/2026
	** 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.
* Form 4: SEC 1474 (03-26)