[144] AdvanSix Inc. SEC Filing

Rhea-AI Filing Summary

Notice of proposed sale under Rule 144: This Form 144 indicates that Achilles Kintiroglou intends to sell 571 shares of AdvanSix Inc. common stock through Merrill Lynch (NYC) with an aggregate market value of $12,105.20, with an approximate sale date of 09/02/2025. The shares were acquired on 02/28/2025 through the vesting of a restricted stock unit award granted under the issuer's equity compensation plan. The filing also reports three prior sales in the past three months of 571 shares each on 06/02/2025, 07/02/2025, and 08/01/2025, with gross proceeds of $13,504.15, $14,189.35, and $11,522.78 respectively. The filer attests not to possess undisclosed material adverse information.

Positive

• Filing complies with Rule 144 disclosure requirements
• Securities were acquired through issuer equity compensation (RSU vesting)
• Brokered sale via Merrill Lynch indicates orderly execution

Negative

• Insider executed multiple small sales in the past three months (06/02/2025, 07/02/2025, 08/01/2025)
• Planned additional sale on 09/02/2025 increases recent insider sell activity

Insights

Financial Analyst

TL;DR Insider plans a small sale of vested RSUs; transaction appears routine and compliant with Rule 144.

The filing shows a planned disposition of 571 shares valued at $12,105.20, acquired via RSU vesting on 02/28/2025. Reported prior sales over the last three months are identical-sized blocks, indicating regular post-vesting dispositions rather than a single large liquidation. From a financial perspective, the amounts disclosed are small relative to typical market-capitalization impacts and do not, by themselves, indicate material impact on company fundamentals. The explicit attestation about non-possession of material nonpublic information and the use of a broker are consistent with standard compliance practice.

Corporate Governance Expert

TL;DR Filing reflects routine insider reporting and affirmative compliance with disclosure obligations.

This Form 144 documents a sale of shares acquired through the issuer's equity compensation plan and records three similar recent sales, all properly presented with dates, amounts, and gross proceeds. The statement attesting absence of undisclosed material adverse information is required and present. The record supports procedural governance norms for insider transactions, including broker-assisted execution and timely notification under Rule 144.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Merrill Lynch 225 Liberty St Floor 37 New York NY 10281	571	12105.20	26844187	09/02/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	02/28/2025	Vesting of restricted stock unit award	AdvanSix Inc.			571	02/28/2025	Granted as part of issuer equity compensation plan

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Achilles Kintiroglou 300 KIMBALL DRIVE SUITE 101 PARSIPPANY NJ 07054	Common Stock	07/02/2025	571	14189.35
Achilles Kintiroglou 300 KIMBALL DRIVE SUITE 101 PARSIPPANY NJ 07054	Common Stock	06/02/2025	571	13504.15
Achilles Kintiroglou 300 KIMBALL DRIVE SUITE 101 PARSIPPANY NJ 07054	Common Stock	08/01/2025	571	11522.78

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filed for ASIX disclose?

The filing discloses an intended sale of 571 shares of AdvanSix Inc. common stock valued at $12,105.20, to be sold through Merrill Lynch around 09/02/2025.

How were the shares being sold acquired?

The shares were acquired on 02/28/2025 by vesting of restricted stock units (RSUs) granted under AdvanSix's equity compensation plan.

Has the filer sold other ASIX shares recently?

Yes. The filer sold 571 shares on each of 06/02/2025, 07/02/2025, and 08/01/2025 with gross proceeds of $13,504.15, $14,189.35, and $11,522.78 respectively.

Through which broker will the sale occur?

The sale is to be executed through Merrill Lynch, 225 Liberty St, Floor 37, New York, NY.

Does the filer attest to possessing any undisclosed material information?

No. The filer represents by signing the notice that they do not know any material adverse information about the issuer that has not been publicly disclosed.