$PDFS SEC Filings

Filing Filed On
DEF 14A 27 Apr 2022
4 17 Mar 2022
10-K 01 Mar 2022
4/A 25 Feb 2022
4 25 Feb 2022
8-K 15 Feb 2022
SC 13G/A 14 Feb 2022
SC 13G/A 11 Feb 2022
SCHEDULE 13G/A 10 Feb 2022
SEC SCHEDULE 13G 10 Feb 2022
SC 13G 09 Feb 2022
4 03 Feb 2022
4 03 Feb 2022
4 03 Feb 2022
SC 13G/A 28 Jan 2022
4 04 Jan 2022
4 04 Jan 2022
4 04 Jan 2022
4 13 Dec 2021
3 02 Dec 2021