Michael Koenig - 09 May 2026 Form 4 Insider Report for Celanese Corp (CE)

Reporting relationship: Director
Issuer ticker: CE
Reported as of: 09 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 13 May 2026, 16:15:08 UTC
Prior SEC filing: 19 May 2025
Source filing: View source filing
Reporting owner signature: /s/ Blake Feikema, Attorney-in-Fact for Michael Koenig

Key filing fact

Michael Koenig filed Form 4 for Celanese Corp (CE) on 13 May 2026.

Key facts

This page summarizes Michael Koenig's Form 4 filing for Celanese Corp (CE).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 13 May 2026, 16:15.

Change

Previous filing in this sequence was filed on 19 May 2025.
Current net transaction value: $0.

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 0001911096 Primary reporting owner

Koenig Michael

Relationship: Director
Address: C/O CELANESE CORPORATION, W. LAS COLINAS BLVD., SUITE 900N, IRVING
Signature: /s/ Blake Feikema, Attorney-in-Fact for Michael Koenig
Signature date: 13 May 2026

Reported non-derivative transactions

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

CE transaction

Common Stock

Tax liability

Transaction value
Shares: -1,013
Change %: -16%
Price: $57.51^*
Shares after: 5,345
Date: 09 May 2026
Ownership: Direct
Footnotes: F1

CE transaction

Common Stock

Award

Transaction value
Shares: +2,975
Change %: +56%
Price: $0.000000^*
Shares after: 8,320
Date: 11 May 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Shares withheld for the payment of taxes on the vesting and settlement of performance-based restricted stock units.

Footnote F2

Annual grant of restricted stock units pursuant to the Company's Amended and Restated 2018 Global Incentive Plan. The restricted stock units vest in full on the one-year anniversary of the date of grant.