Form 4: CE Director Timothy Go Acquires 1,039 Shares on 09/08/2025

Rhea-AI Filing Summary

Timothy Go, a director of Celanese Corporation (CE), reported two open-market purchases of Common Stock on 09/08/2025. The Form 4 shows 500 shares bought at $46.33 and 539 shares bought at $46.175, leaving him with 4,415 total shares beneficially owned after the transactions. The filing was signed by an attorney-in-fact on 09/09/2025.

Positive

• Reported open-market purchases totaling 1,039 shares on 09/08/2025 (500 at $46.33 and 539 at $46.175).
• Filing lists total beneficial ownership of 4,415 shares after the transactions.

Negative

• None.

Insights

Securities Analyst

TL;DR: Director executed two small open-market purchases totaling 1,039 shares on 09/08/2025; impact is limited.

The Form 4 discloses two purchase transactions by a director, totaling 1,039 shares at prices of $46.33 and $46.175, resulting in 4,415 shares owned. These are routine insider purchases reported under Section 16 and do not include derivative activity. Given the transaction sizes and absence of other material disclosures, this filing is informational and unlikely to be materially impactful to valuation or operations.

Corporate Governance Expert

TL;DR: Proper Form 4 reporting of director purchases; filing appears complete and timely.

The document identifies the reporting person as a director and indicates the Form 4 was signed by an attorney-in-fact. Transactions are clearly itemized with share counts and prices. There are no amendments, derivative transactions, or additional notes. From a governance perspective, the filing meets disclosure requirements and contains no red flags.

Insider Trade Summary

Net Buyer: 1,039 shares

Net Buy 2 txns

Insider Go Timothy

Role Director

Bought 1,039 shs ($48K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	500	$46.33	$23K
Purchase	Common Stock	539	$46.175	$25K

Holdings After Transaction: Common Stock — 4,415 shares (Direct)

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

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 09/09/2025 - 04:38 PM Learn about SEC filing dates

FAQ

What transactions did Celanese director Timothy Go report on Form 4 (CE)?

The Form 4 reports two purchases on 09/08/2025: 500 shares at $46.33 and 539 shares at $46.175.

How many shares does Timothy Go beneficially own after the reported trades?

The filing shows he beneficially owned 4,415 shares following the reported transactions.

Who signed the Form 4 for Timothy Go and when?

The Form 4 was signed by Christine Dryden, Attorney-in-Fact for Timothy Go on 09/09/2025.

Were any derivative securities reported in this Form 4 for CE?

No. Table II (derivative securities) contains no reported transactions or holdings.

What is the reporting person’s relationship to Celanese?

The filing identifies Timothy Go as a Director of Celanese Corporation.

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^*

Go Timothy

(Last) (First) (Middle)

C/O CELANESE CORPORATION

222 W. LAS COLINAS BLVD., SUITE 900N

(Street)

IRVING TX 75039

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Celanese Corp [ CE ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
09/08/2025

4. 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 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	09/08/2025		P		500	A	$46.33	3,876	D
Common Stock	09/08/2025		P		539	A	$46.175	4,415	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:

Remarks:

	/s/ Christine Dryden, Attorney-in-Fact for Timothy Go	09/09/2025
	** 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 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.