ZWECKER MARK A - Insider Non-Derivative Transactions at PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Oct 1, 2025, ZWECKER MARK A's relationship to PERMA FIX ENVIRONMENTAL SERVICES INC (PESI) is Director, and currently has 241,194 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other PESI insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

ZWECKER MARK A - Insider Non-Derivative Transactions of PESI Common Stock

ZWECKER MARK A - Insider Non-Derivative Transactions at PESI

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Oct 2, 2025	Acquisition -- (Common Stock)	1609	7.58	241194
Aug 29, 2025	M -- (Common Stock)	2400	4.19	239585
Jul 2, 2025	Acquisition -- (Common Stock)	1586	7.89	237185
Apr 2, 2025	Acquisition -- (Common Stock)	2235	5.45	235599
Jan 3, 2025	Acquisition -- (Common Stock)	1468	8.3	233364
Oct 2, 2024	Acquisition -- (Common Stock)	1324	9.2	231896
Sep 10, 2024	M -- (Common Stock)	2400	3.7	230572
Jul 2, 2024	Acquisition -- (Common Stock)	1690	7.6	228172
Apr 2, 2024	Acquisition -- (Common Stock)	1367	8.92	226482
Jan 3, 2024	Acquisition -- (Common Stock)	2067	5.9	225115
Oct 3, 2023	Acquisition -- (Common Stock)	1596	7.84	223048
Jul 4, 2023	Acquisition -- (Common Stock)	1480	8.24	221452
Apr 26, 2023	M -- (Common Stock)	2400	2.79	219972
Apr 4, 2023	Acquisition -- (Common Stock)	1379	8.84	217572
Jan 4, 2023	Acquisition -- (Common Stock)	4603	2.65	216193