$PESI SC 13D/A SEC Filings

Filed On	Filing
12 Apr 2023	SC 13D/A
24 Mar 2023	SC 13D/A
17 Feb 2023	SC 13D/A
10 Jan 2023	SC 13D/A
16 Nov 2021	AMENDMENT NO. 6 TO SCHEDULE 13D
14 Sep 2021	AMENDMENT NO. 5 TO SCHEDULE 13D
13 Jan 2021	AMENDMENT NO. 4 TO SCHEDULE 13D
10 Jan 2020	SC 13D/A
20 Dec 2019	SC 13D/A
07 Sep 2017	AMENDMENT NO. 2 TO SCHEDULE 13D
02 Aug 2017	SC 13D/A
25 Jul 2017	AMENDMENT NO. 1 TO SCHEDULE 13D
10 May 2017	SC 13D/A
22 Aug 2016	SC 13D/A
02 Aug 1999	AMENDMENT NO. 1 TO SULLIVAN SCHEDULE 13D
01 Jul 1997	AMERICAN ECOLOGY CORP. (PERMA-FIX)
12 Jun 1997	AMERICAN ECOLOGY CORP. FOR PERMA-FIX ENV.