SEC Filings All Filings Annual Reports Proxy Statements Quarterly Reports Section 16 Filings Filing Type: View All 10-K 10-K/A 10-Q 10-Q/A 10KSB 10KSB/A 10QSB 10QSB/A 25-NSE 3 4 4/A 424B2 424B3 424B4 424B5 8-A12B 8-A12G 8-A12G/A 8-K 8-K/A CERTNAS CORRESP D D/A DEF 14A DEFA14A DEFM14A DEFR14A DEFS14A DFAN14A EFFECT FWP NT 10-K NT 10-Q NTN 10K PRE 14A PREM14A PRER14A REGDEX RW S-1 S-1/A S-3 S-3/A S-8 SC 13D SC 13D/A SC 13E3 SC 13E3/A SC 13G SC 13G/A SC TO-C SC TO-I SC TO-I/A UPLOAD Year: View All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 Date Form Description PDF XBRL Pages 04/23/21 4 Statement of changes in beneficial ownership of securities 2 04/23/21 4 Statement of changes in beneficial ownership of securities 2 04/23/21 4 Statement of changes in beneficial ownership of securities 2 04/23/21 4 Statement of changes in beneficial ownership of securities 2 04/15/21 10-K Annual report pursuant to Section 13 and 15(d) Documents EX-4.2 EX-21.1 EX-23.1 EX-31.1 EX-31.2 EX-32.1 EX-32.2 64 04/01/21 NT 10-K Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT 3 03/16/21 SC 13G Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions 5 12/31/20 8-K Current report filing Documents EX-10.1 4 12/11/20 4 Statement of changes in beneficial ownership of securities 2 12/11/20 4 Statement of changes in beneficial ownership of securities 2 9 10 11 12 13 14 15 16 17 18