Celanese (CE) SVP awarded new stock options and RSUs in 2026 grant

Rhea-AI Filing Summary

Murray Mark Christopher reported acquisition or exercise transactions in this Form 4 filing.

Celanese Corp senior vice president Mark Christopher Murray received new equity awards. On February 27, 2026, he was granted 14,561 nonqualified stock options with time-based vesting and 10,431 shares of common stock in the form of restricted stock units under the company’s 2018 Global Incentive Plan. The options and RSUs vest in three annual tranches from February 15, 2027 through February 15, 2029, subject to continued employment.

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

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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^*

Murray Mark Christopher

(Last) (First) (Middle)

222 W. LAS COLINAS BLVD

STE 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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	02/27/2026		A		10,431(1)	A	$0	28,279	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
Nonqualified Stock Option (right to buy)(2)	$49.09	02/27/2026		A		14,561		(3)	02/26/2036	Common Stock	14,561	$0	14,561	D

Explanation of Responses:

1. Time-based restricted stock units ("RSUs") granted pursuant to the Company's Amended and Restated 2018 Global Incentive Plan (the "Plan"). Each RSU represents the right to receive one share of Common Stock. The RSUs will vest, subject to continued employment, with respect to 33% of the RSUs on each of February 15, 2027 and February 15, 2028, and with respect to 34% of the RSUs on February 15, 2029.

2. Time-based employee stock options granted under the Plan.

3. The options vest and become exercisable, subject to continued employment, in three annual installments of 33%, 33% and 34% beginning February 15, 2027.

Remarks:

	/s/ Blake Feikema, Attorney-in-Fact for Mark Christopher Murray	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transactions did Celanese (CE) report for Mark Christopher Murray?

Celanese reported that SVP Mark Christopher Murray acquired equity awards on February 27, 2026, including nonqualified stock options and restricted stock units granted under the company’s 2018 Global Incentive Plan with multi-year vesting schedules tied to continued employment.

How many stock options were granted to Celanese executive Mark Christopher Murray?

Mark Christopher Murray received 14,561 nonqualified stock options on February 27, 2026. These options were granted under Celanese’s Amended and Restated 2018 Global Incentive Plan and will vest in three annual installments starting February 15, 2027, subject to continued employment.

What common stock or RSUs did Celanese (CE) grant in this Form 4 filing?

Celanese granted 10,431 shares of common stock in the form of time-based restricted stock units to Mark Christopher Murray. Each RSU represents one share of common stock and vests in three tranches between February 15, 2027, and February 15, 2029, contingent on continued employment.

When do Mark Christopher Murray’s Celanese equity awards vest?

Both the RSUs and stock options begin vesting on February 15, 2027. Vesting occurs in three installments of 33%, 33%, and 34% on February 15, 2027, February 15, 2028, and February 15, 2029, provided Murray remains employed by Celanese.

Are the Celanese stock options granted to Murray immediately exercisable?

The stock options are not immediately exercisable. They are time-based employee stock options that vest and become exercisable in three annual installments beginning February 15, 2027, with 33%, 33%, and 34% vesting over three years, subject to continued employment.

What plan governs the equity awards in this Celanese (CE) Form 4?

The equity awards were granted under Celanese’s Amended and Restated 2018 Global Incentive Plan. This plan authorizes time-based restricted stock units and employee stock options, with vesting contingent on continued employment over the stated multi-year schedule.