Ecovyst (NYSE: ECVT) director Anna Catalano acquires 19,399 shares

Rhea-AI Filing Summary

Ecovyst Inc. director Anna C. Catalano reported acquiring 19,399 shares of Ecovyst common stock on February 3, 2026. The transaction was coded as an acquisition at a reported price of $0.00 per share, increasing her directly held stake to 102,805 common shares.

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^*

Catalano Anna C

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/03/2026

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	02/03/2026		A		19,399	A	$0	102,805	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/ Joseph S. Koscinski, attorney-in-fact for Anna C. Catalano	02/05/2026
	** 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.

FAQ

What insider transaction did Ecovyst (ECVT) director Anna C. Catalano report?

Anna C. Catalano reported acquiring 19,399 Ecovyst common shares. The Form 4 shows the transaction occurred on February 3, 2026, and was coded as an acquisition, increasing her directly held position in the company’s stock.

How many Ecovyst (ECVT) shares does Anna C. Catalano own after this Form 4 transaction?

After the reported transaction, Anna C. Catalano beneficially owns 102,805 Ecovyst common shares. This figure reflects her direct ownership immediately following the February 3, 2026 acquisition of 19,399 additional shares reported in the filing.

What was the reported price per share in Anna C. Catalano’s Ecovyst (ECVT) transaction?

The reported price per share for Anna C. Catalano’s Ecovyst transaction was $0.00. The Form 4 lists 19,399 common shares acquired at this price, which is how the total share increase was recorded for this director-level insider transaction.

Is Anna C. Catalano an officer or just a director of Ecovyst (ECVT)?

Anna C. Catalano is identified as a director of Ecovyst Inc. The Form 4 indicates she is not an officer and not a 10% owner, clarifying her role as a board member rather than part of the executive management team.

Was Anna C. Catalano’s Ecovyst (ECVT) Form 4 filed as an individual or joint filing?

The Form 4 was filed by one reporting person, Anna C. Catalano. The filing expressly checks the box for a single reporting person, indicating no joint or group filing with other insiders or related entities for this transaction.