Mark Duff - May 11, 2022 Form 4 Insider Report for PERMA FIX ENVIRONMENTAL SERVICES INC (PESI)

Role: President and CEO
Signature: /s/ Mark Duff
Stock symbol: PESI
Transactions as of: May 11, 2022
Transactions value $: $11,100
Form type: 4
Date filed: 5/13/2022, 11:43 AM
Previous filing: May 11, 2022
Next filing: Sep 7, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PESI	Common Stock	Purchase	$437	+78	+0.21%	$5.60	36.6K	May 11, 2022	Direct
transaction	PESI	Common Stock	Purchase	$5.16K	+922	+2.52%	$5.60	37.5K	May 12, 2022	Direct
transaction	PESI	Common Stock	Purchase	$5.5K	+1K	+2.67%	$5.50	38.5K	May 12, 2022	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	PESI	Stock Option						100K	May 11, 2022	Common Stock	100K	$3.65	Direct	F1
holding	PESI	Stock Option						25K	May 11, 2022	Common Stock	25K	$3.15	Direct	F2
holding	PESI	Stock Option						50K	May 11, 2022	Common Stock	50K	$7.01	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Incentive stock option granted 07/27/2017 under the Company's 2017 Stock Option Plan. The option is for a 6 year period and vests over a 5 year period, at 1/5 increment per year.
F2	Incentive Stock Option granted 01/17/2019 under the Company's 2017 Stock Option Plan. The Option is for a 6 year period and vests over a 5 year period, at 1/5 increment per year.
F3	Incentive stock option granted 10/14/2021 under the Company's 2017 Stock Option Plan. The option is for a 6 year period and vests over a 5 year period, at 1/5 increment per year.