$PDFS SEC Filings

Filing Filed On
SC 13G 07 Aug 2023
SC 13G 03 Feb 2023
SC 13G 09 Feb 2022
SC 13G 06 Aug 2020
SCHEDULE 13G 04 Jun 2020
SEC SCHEDULE 13G 13 Feb 2020
SC 13G 11 Feb 2019
SCHEDULE 13G 08 Feb 2019
SC 13G 18 Jan 2019
SC 13G 13 Feb 2018
SC 13G 30 Jan 2017
SC 13G 12 Feb 2016
SC 13G 28 Jan 2016
SC 13G 11 Feb 2015
SCHEDULE 13G 10 Feb 2015
SC 13G 15 Dec 2014
SC 13G 15 Dec 2014
APRIL 11, 2014 11 Apr 2014
SC 13G 30 Jan 2014
SC 13G 14 Feb 2013