Kelly Slieter - 28 Feb 2026 Form 4 Insider Report for AdvanSix Inc. (ASIX)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
03 Mar 2026, 16:54:21 UTC
Prior SEC filing
02 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Achilles B. Kintiroglou for Kelly Slieter

Key filing fact

Kelly Slieter filed Form 4 for AdvanSix Inc. (ASIX) on 03 Mar 2026.

Key facts

  • This page summarizes Kelly Slieter's Form 4 filing for AdvanSix Inc. (ASIX).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 03 Mar 2026, 16:54.

Change

  • Previous filing in this sequence was filed on 02 Mar 2026.
  • Current net transaction value: -$94,757.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001815987 Primary reporting owner

SLIETER KELLY

Relationship
SVP, Chief HR Officer
Address
300 KIMBALL DRIVE, SUITE 101, PARSIPPANY
Signature
/s/ Achilles B. Kintiroglou for Kelly Slieter
Signature date
03 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ASIX transaction

Common Stock, par value $0.01

Tax liability

Transaction value
$94,757
Shares
-5,424
Change %
-7.7%
Price
$17.47
Shares after
65,029
Date
28 Feb 2026
Ownership
Direct
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Shares withheld to satisfy tax withholding obligations related to Restricted Stock Units that vested on February 28, 2026.

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