$REFR SEC Filings

Filing Filed On
3/A 04 Jan 2021
4 04 Jan 2021
4 04 Jan 2021
4 04 Jan 2021
4 04 Jan 2021
4 04 Jan 2021
8-K 04 Dec 2020
10-Q 05 Nov 2020
FORM 4 SUBMISSION 27 Aug 2020
AMENDMENT NO 4 TO SC 13G 27 Aug 2020
3 18 Aug 2020
8-K 17 Aug 2020
FORM 4 SUBMISSION 11 Aug 2020
10-Q 06 Aug 2020
8-K 04 Aug 2020
FORM 4 SUBMISSION 30 Jul 2020
FORM 4 SUBMISSION 21 Jul 2020
FORM 4 SUBMISSION 17 Jul 2020
FORM 4 SUBMISSION 15 Jul 2020
FORM 4 SUBMISSION 02 Jul 2020