ASIX Form 3: Dana C. O'Brien Reports as Director with No Shares

Rhea-AI Filing Summary

AdvanSix Inc. (ASIX) Form 3 reports that Dana C. O'Brien, listed at the provided address, is a director of the issuer and filed an initial Section 16 statement. The filing shows zero shares of common stock beneficially owned, and the form is signed on behalf of the reporting person. This is a routine initial ownership disclosure with no recorded beneficial ownership reported.

Positive

• Form 3 was filed indicating compliance with Section 16 reporting requirements
• The filing explicitly reports zero shares beneficially owned, providing clear disclosure

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine Section 16 initial filing; reporting person listed as a director and reports no beneficial ownership.

This Form 3 is informational and contains no financial metrics or transactions. From an investor-impact perspective, the filing neither adds equity exposure nor indicates share acquisition or disposition. There is no data here that would affect valuation models or revenue/earnings assumptions.

Corporate Governance Expert

TL;DR: Governance disclosure completed; director listed but reports no direct common stock ownership.

The filing fulfills Section 16 reporting obligations by identifying the reporting person and relationship to the company. The absence of reported ownership means there are no insider holdings recorded on this form to evaluate for alignment with shareholder interests. The document is procedural and does not reflect changes in board composition or insider holdings.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

O'Brien Dana C.

(Last) (First) (Middle)

300 KIMBALL DRIVE

STE 101

(Street)

PARSIPPANY NJ 07054

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/02/2025

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

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

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.01	0	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ Achilles B. Kintiroglou for Dana O'Brien	09/08/2025
	** 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 5 (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 does the Form 3 for AdvanSix Inc. (ASIX) disclose about Dana C. O'Brien?

The Form 3 lists Dana C. O'Brien as a director of AdvanSix and reports zero shares of common stock beneficially owned.

Does the Form 3 show any derivative or option holdings for the reporting person?

No. Table II for derivative securities contains no entries; the filing reports no derivative or option holdings.

Is this Form 3 an initial statement or an amendment?

This document is an initial statement of beneficial ownership (Form 3) filed under Section 16.

Was the Form 3 signed by the reporting person?

The form includes a signature executed on behalf of the reporting person, indicating the filing was signed by an authorized representative.