Director at Ecovyst (NYSE: ECVT) sells 8,450 shares, retains 54,700

Rhea-AI Filing Summary

Ecovyst Inc. director Sarah Lorance reported an open-market sale of company stock. On June 2, 2026, she sold 8,450 shares of Ecovyst common stock at $13.33 per share. After this transaction, she continues to hold 54,700 shares of Ecovyst common stock directly.

Insider Trade Summary

Net Seller: 8,450 shares ($112,639)

Net Sell 1 txn

Insider Lorance Sarah

Role null

Sold 8,450 shs ($113K)

Type	Security	Shares	Price	Value
Sale	Common Stock	8,450	$13.33	$113K

Holdings After Transaction: Common Stock — 54,700 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 8,450 shares Sale price: $13.33 per share Shares held after sale: 54,700 shares

3 metrics

Shares sold 8,450 shares Open-market sale on June 2, 2026

Sale price $13.33 per share Price for Ecovyst common stock in reported sale

Shares held after sale 54,700 shares Director’s direct ownership following the transaction

Key Terms

open-market sale, Common Stock, Form 4

3 terms

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Lorance Sarah

(Last) (First) (Middle)

C/O ECOVYST INC.

600 LEE ROAD, SUITE 200

(Street)

WAYNE PENNSYLVANIA 19087

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/02/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/02/2026		S		8,450	D	$13.33	54,700	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, as attorney-in-fact for Sarah Lorance	06/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Ecovyst (ECVT) director Sarah Lorance report?

Ecovyst director Sarah Lorance reported selling 8,450 shares of common stock. The transaction was an open-market sale and reflects a routine adjustment to her holdings as disclosed in a Form 4 insider trading report.

At what price did Ecovyst (ECVT) director Sarah Lorance sell her shares?

Sarah Lorance sold 8,450 Ecovyst common shares at $13.33 per share. This reported price represents the sale value per share in the open-market transaction disclosed in her Form 4 filing.

How many Ecovyst (ECVT) shares does director Sarah Lorance hold after the sale?

Following the reported sale, Sarah Lorance holds 54,700 Ecovyst common shares directly. This post-transaction ownership figure is disclosed in the Form 4 and shows her remaining stake after the 8,450-share disposition.

Was the Ecovyst (ECVT) insider transaction a buy or sell by Sarah Lorance?

The Ecovyst insider transaction by director Sarah Lorance was a sale. She executed an open-market sale of 8,450 shares of common stock at $13.33 per share, as indicated by transaction code “S” in the Form 4.

Does the Ecovyst (ECVT) Form 4 show any derivative or option exercises by Sarah Lorance?

The Form 4 for Ecovyst director Sarah Lorance shows only a common stock sale. It does not report any derivative transactions or option exercises, and the derivative holdings summary is empty in this filing.