Ecovyst CEO reports Form 4 stock transaction in company shares

Ecovyst Inc. director and Chief Executive Officer Kurt Bitting reported a disposition of company common stock.

Rhea-AI Filing Summary

Ecovyst Inc. director and Chief Executive Officer Kurt Bitting reported a disposition of company common stock. On 01/05/2026, a transaction coded "F" involved 16,097 shares of Ecovyst common stock at a price of $9.80 per share. After this transaction, Bitting directly held 585,904 shares of Ecovyst common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 16,097 shares

Exercise Price or Tax Liability 1 txn

Insider Bitting Kurt

Role See Remarks

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	16,097	$9.80	$158K

Holdings After Transaction: Common Stock — 585,904 shares (Direct)

FAQ

What insider transaction did Ecovyst (ECVT) report for Kurt Bitting?

Ecovyst reported that Kurt Bitting completed a transaction coded "F" on 01/05/2026 involving 16,097 shares of Ecovyst common stock at $9.80 per share.

How many Ecovyst (ECVT) shares does Kurt Bitting own after this Form 4 transaction?

Following the reported transaction, Kurt Bitting directly beneficially owned 585,904 shares of Ecovyst common stock.

What role does Kurt Bitting have at Ecovyst (ECVT)?

The remarks identify Kurt Bitting as a Director and Chief Executive Officer of Ecovyst Inc.

What type of security was involved in Kurt Bitting's Ecovyst (ECVT) transaction?

The transaction involved Common Stock of Ecovyst Inc.

Was the Ecovyst (ECVT) insider transaction by Kurt Bitting direct or indirect ownership?

The filing shows the ownership form for the reported Ecovyst shares as Direct (D).

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Accepted by SEC EDGAR 01/07/2026 - 04:16 PM Learn about SEC filing dates

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^*

Bitting Kurt

(Last) (First) (Middle)

C/O ECOVYST INC.

600 LEE ROAD, SUITE 200

(Street)

WAYNE PA 19087

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Ecovyst Inc. [ ECVT ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/05/2026

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	01/05/2026		F		16,097	D	$9.8	585,904	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:

Director and Chief Executive Officer

	/s/ Joseph S. Koscinski, as attorney-in-fact for Kurt Bitting	01/07/2026
	** 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.