Joseph S. Koscinski

CIK: 0001717992

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (60.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (40.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ECVT

Ecovyst Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (5 total)

ECVT
Ecovyst Inc.
Mar 4, 2026
Award(A)
Direct
11.1K shares at avg. $11.31$125K
ECVT
Ecovyst Inc.
Feb 3, 2026
Award(A)
Direct
27.2K shares-
ECVT
Ecovyst Inc.
Feb 3, 2025
Award(A)
Direct
35.9K shares-
ECVT
Ecovyst Inc.
Jan 22, 2025
Tax Payment(F)
Direct
5.5K shares at avg. $7.96$44K
ECVT
Ecovyst Inc.
Jan 5, 2025
Tax Payment(F)
Direct
17.5K shares at avg. $7.75$135K

		Type	Shares	Price		Ownership
Mar 4, 2026	ECVT Ecovyst Inc.	Award(A)	11,052	$11.31	$124,998	Direct
Feb 3, 2026	ECVT Ecovyst Inc.	Award(A)	27,158	-	$0	Direct
Feb 3, 2025	ECVT Ecovyst Inc.	Award(A)	35,944	-	-	Direct
Jan 22, 2025	ECVT Ecovyst Inc.	Tax Payment(F)	5,522	$7.96	$43,955	Direct
Jan 5, 2025	ECVT Ecovyst Inc.	Tax Payment(F)	17,457	$7.75	$135,379	Direct

1-5 of 5 transactions

About Koscinski Joseph S.

Koscinski Joseph S. (SEC CIK 0001717992) files insider reports with the SEC as Officer of Ecovyst Inc. (ECVT).

Signal8 holds 5 ownership filings by Koscinski Joseph S., all Form 4s, filed between Jan 7, 2025 and Mar 6, 2026. Those filings report 5 transactions, from Jan 5, 2025 to Mar 4, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Koscinski Joseph S.'s filings is in WAYNE, PA.

Recent filings by Koscinski Joseph S.

Mar 4, 2026: Grant or award of ECVT shares (Form 4, code A).
Feb 3, 2026: Grant or award of ECVT shares (Form 4, code A).
Feb 3, 2025: Grant or award of ECVT shares (Form 4, code A).
Jan 22, 2025: Tax withholding of ECVT shares (Form 4, code F).
Jan 5, 2025: Tax withholding of ECVT shares (Form 4, code F).

Other insiders filing for Ecovyst Inc. (ECVT)

How to read Form 4 transaction codes