RESEARCH FRONTIERS INC — 10-K/A Filings
5 10-K/A filings on record
This page lists all 10-K/A filings submitted to the SEC by RESEARCH FRONTIERS INC (REFR), sorted by most recent first. Each row links to the full filing on EdgarLookup. RESEARCH FRONTIERS INC has filed 5 10-K/A documents with the SEC since 1995. To view all SEC filings by RESEARCH FRONTIERS INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
3
3/A
4
4/A
424B2
424B3
424B5
8-A12G
8-A12G/A
8-K
8-K/A
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
EFFECT
PRE 14A
S-3
S-3/A
S-8
SC 13D
SC 13G
SC 13G/A
SCHEDULE 13G
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 10-K/A | 10-K/A | 0001493152-26-011611 | Mar 19, 2026 | Dec 31, 2025 |
| 10-K/A | — | 0001641172-25-004925 | Apr 16, 2025 | Dec 31, 2023 |
| 10-K/A | AMENDMENT TO ANNUAL REPORT | 0001206774-15-000860 | Mar 11, 2015 | Dec 31, 2014 |
| 10-K/A | AMENDMENT NO. 2 TO RESEARCH FRONTIERS 2003 ANNUAL REPORT ON FORM 10K | 0000793524-04-000010 | Oct 28, 2004 | Dec 31, 2003 |
| 10-K/A | AMENDMENT NO. 1 TO RESEARCH FRONTIERS 2003 ANNUAL REPORT ON FORM 10K | 0000793524-04-000007 | Oct 19, 2004 | Dec 31, 2003 |