$PDFS SEC Filings

Filing Filed On
4 02 Dec 2021
3 15 Nov 2021
4 15 Nov 2021
10-Q 09 Nov 2021
8-K 09 Nov 2021
8-K 04 Nov 2021
8-K 10 Aug 2021
10-Q 10 Aug 2021
4 03 Aug 2021
4 03 Aug 2021
S-8 09 Jul 2021
OWNERSHIP DOCUMENT 02 Jul 2021
OWNERSHIP DOCUMENT 02 Jul 2021
OWNERSHIP DOCUMENT 02 Jul 2021
OWNERSHIP DOCUMENT 02 Jul 2021
OWNERSHIP DOCUMENT 02 Jul 2021
OWNERSHIP DOCUMENT 02 Jul 2021
OWNERSHIP DOCUMENT 02 Jul 2021
FORM 8-K 22 Jun 2021
FORM 8-K 15 Jun 2021