Richard Grondin

CIK: 0001819004

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)5 (50.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)5 (50.0%)

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

Companies & Roles (1)

PESI

PERMA FIX ENVIRONMENTAL SERVICES INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (10 total)

PESI
PERMA FIX ENVIRONMENTAL SERVICES INC
Oct 28, 2026
Exercise(M)
Direct
5K shares at avg. $7.00$35K
PESI
PERMA FIX ENVIRONMENTAL SERVICES INC
Oct 28, 2026
Tax Payment(F)
Direct
2.6K shares at avg. $13.66$35K
PESI
PERMA FIX ENVIRONMENTAL SERVICES INC
Jan 20, 2026
Tax Payment(F)
Direct
2.6K shares at avg. $13.71$35K
PESI
PERMA FIX ENVIRONMENTAL SERVICES INC
Jan 20, 2026
Exercise(M)
Direct
5K shares at avg. $7.00$35K
PESI
PERMA FIX ENVIRONMENTAL SERVICES INC
Jan 20, 2026
Exercise(M)
Direct
6K shares at avg. $3.95$24K
PESI
PERMA FIX ENVIRONMENTAL SERVICES INC
Jan 20, 2026
Tax Payment(F)
Direct
1.7K shares at avg. $13.71$24K
PESI
PERMA FIX ENVIRONMENTAL SERVICES INC
Jul 14, 2025
Exercise(M)
Direct
6K shares at avg. $3.95$24K
PESI
PERMA FIX ENVIRONMENTAL SERVICES INC
Jul 14, 2025
Tax Payment(F)
Direct
2.1K shares at avg. $11.32$24K
PESI
PERMA FIX ENVIRONMENTAL SERVICES INC
Jul 14, 2025
Tax Payment(F)
Direct
3.1K shares at avg. $11.32$35K
PESI
PERMA FIX ENVIRONMENTAL SERVICES INC
Jul 14, 2025
Exercise(M)
Direct
5K shares at avg. $7.00$35K

		Type	Shares	Price		Ownership
Oct 28, 2026	PESI PERMA FIX ENVIRONMENTAL SERVICES INC	Exercise(M)	5,000	$7.00	$35,025	Direct
Oct 28, 2026	PESI PERMA FIX ENVIRONMENTAL SERVICES INC	Tax Payment(F)	2,564	$13.66	$35,024	Direct
Jan 20, 2026	PESI PERMA FIX ENVIRONMENTAL SERVICES INC	Tax Payment(F)	2,555	$13.71	$35,029	Direct
Jan 20, 2026	PESI PERMA FIX ENVIRONMENTAL SERVICES INC	Exercise(M)	5,000	$7.00	$35,025	Direct
Jan 20, 2026	PESI PERMA FIX ENVIRONMENTAL SERVICES INC	Exercise(M)	6,000	$3.95	$23,700	Direct
Jan 20, 2026	PESI PERMA FIX ENVIRONMENTAL SERVICES INC	Tax Payment(F)	1,729	$13.71	$23,705	Direct
Jul 14, 2025	PESI PERMA FIX ENVIRONMENTAL SERVICES INC	Exercise(M)	6,000	$3.95	$23,700	Direct
Jul 14, 2025	PESI PERMA FIX ENVIRONMENTAL SERVICES INC	Tax Payment(F)	2,094	$11.32	$23,704	Direct
Jul 14, 2025	PESI PERMA FIX ENVIRONMENTAL SERVICES INC	Tax Payment(F)	3,094	$11.32	$35,024	Direct
Jul 14, 2025	PESI PERMA FIX ENVIRONMENTAL SERVICES INC	Exercise(M)	5,000	$7.00	$35,025	Direct

1-10 of 10 transactions

About Grondin Richard

Grondin Richard (SEC CIK 0001819004) files insider reports with the SEC as EVP of Hanford Waste Ops of PERMA FIX ENVIRONMENTAL SERVICES INC (PESI).

Signal8 holds 3 ownership filings by Grondin Richard, all Form 4s, filed between Jul 15, 2025 and Oct 29, 2026. Those filings report 10 transactions, from Jul 14, 2025 to Oct 28, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Grondin Richard's filings is in ATLANTA, GA.

Recent filings by Grondin Richard

Oct 28, 2026: Option exercise of PESI shares (Form 4, code M).
Oct 28, 2026: Tax withholding of PESI shares (Form 4, code F).
Jan 20, 2026: Tax withholding of PESI shares (Form 4, code F).
Jan 20, 2026: Option exercises of PESI shares (2 lines, Form 4, code M).
Jan 20, 2026: Tax withholding of PESI shares (Form 4, code F).

Other insiders filing for PERMA FIX ENVIRONMENTAL SERVICES INC (PESI)

Wamp Zach Paul, Director
REEDER JOE, Director
Shelton Larry, Director
Grumski Joseph Timothy, Director
Bostick Thomas, Director
Duggan Kerry C, Director

How to read Form 4 transaction codes