Ecovyst (NYSE: ECVT) director exercises 38,064 options, lifting holdings to 698,382 shares

Rhea-AI Filing Summary

Ecovyst Inc. director and officer Kurt Bitting exercised stock options on March 12, 2026, converting derivative awards into common shares. He exercised options covering 38,064 shares of common stock at an exercise price of $8.04 per share, drawn from four tranches of 9,516 options each. Following these exercises, his direct ownership of Ecovyst common stock increased to 698,382 shares. The filing shows option exercises and share acquisitions only, with no open-market sales reported in this transaction set.

Insights

Equity compensation analyst

Kurt Bitting exercised options to acquire 38,064 Ecovyst shares and held the stock.

The data shows Kurt Bitting exercised four option grants, each for 9,516 shares, at an exercise price of $8.04 per share, for a total of 38,064 common shares on March 12, 2026. These are coded as derivative exercises (M), not open‑market purchases.

After the transactions, his direct common stock position rose to 698,382 shares, with no derivative positions remaining in the excerpted data. Because there are no contemporaneous sales, this pattern aligns with an exercise‑and‑hold event, which is typically routine for long‑dated options approaching a 2026 expiration.

The filing does not indicate any Rule 10b5‑1 trading plan or tax‑withholding dispositions, and there are no sell (S) codes. As a result, this appears to be standard equity compensation management rather than a directional market call, and on its own is not a thesis‑changing development for Ecovyst.

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

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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^*

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)
03/12/2026

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	03/12/2026		M		38,064	A	$3.04	698,382	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
Option (Right to Buy)	$8.04	03/12/2026		M			9,516	05/04/2016	05/04/2026	Common Stock	9,516	$0	0	D
Option (Right to Buy)	$8.04	03/12/2026		M			9,516	12/01/2016	05/04/2026	Common Stock	9,516	$0	0	D
Option (Right to Buy)	$8.04	03/12/2026		M			9,516	12/01/2017	05/04/2026	Common Stock	9,516	$0	0	D
Option (Right to Buy)	$8.04	03/12/2026		M			9,516	12/01/2018	05/04/2026	Common Stock	9,516	$0	0	D

Explanation of Responses:

Remarks:

Director and Chief Executive Officer

	/s/ Joseph S. Koscinski, as attorney-in-fact for Kurt Bitting	03/16/2026
	** 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 did Ecovyst (ECVT) director Kurt Bitting do in this Form 4 filing?

Kurt Bitting exercised stock options to acquire 38,064 Ecovyst common shares on March 12, 2026. These derivative exercises converted four tranches of 9,516 options each into stock, increasing his direct ownership position without any reported open‑market sales.

How many Ecovyst (ECVT) shares does Kurt Bitting own after these transactions?

After the reported option exercises, Kurt Bitting directly owns 698,382 shares of Ecovyst common stock. This total reflects the addition of 38,064 shares acquired through exercising stock options, as disclosed in the Form 4 transaction table.

Were any Ecovyst (ECVT) shares sold in Kurt Bitting’s latest Form 4?

No sales were reported. All entries are coded M for option exercises, indicating derivative conversion into Ecovyst common stock. The filing shows share acquisitions only, with no open‑market sell (S) transactions or tax‑withholding (F) dispositions disclosed.

What was the exercise price of the Ecovyst (ECVT) options in this Form 4?

The options exercised by Kurt Bitting had an exercise price of $8.04 per share, as shown in the derivative transaction details. Four separate option grants, each for 9,516 underlying shares, were exercised into Ecovyst common stock on March 12, 2026.

Does this Ecovyst (ECVT) Form 4 show remaining option holdings for Kurt Bitting?

The filing’s derivative section indicates an exerciseCount of 4 for 38,064 shares and an empty remaining derivative summary. That means the reported options were fully exercised in this transaction set, with no additional derivative positions shown in the excerpt.

Is Kurt Bitting a director or officer of Ecovyst (ECVT) in this Form 4?

Yes. The reporting‑person data identifies Kurt Bitting as both a director and an officer of Ecovyst Inc. The officer title is referenced in the remarks section, and he is not listed as a ten‑percent beneficial owner in this filing.