Official SEC submissions
Research Frontiers SEC Filings
Research Frontiers (REFR) SEC filings, periodic reports and insider submissions.
Direct answer
Research Frontiers's latest SEC filing is 10-Q.
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Recent SEC filings
DEF 14A
Proxy statement
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Report date:
10-K/A
Periodic report
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10-K
Periodic report
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4
Insider transaction
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4
Insider transaction
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4
Insider transaction
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4
Insider transaction
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4
Insider transaction
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Report date:
10-Q
Periodic report
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Report date:
10-Q
Periodic report
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Report date:
4
Insider transaction
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8-K
Current report
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4
Insider transaction
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10-Q
Periodic report
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DEF 14A
Proxy statement
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10-K
Periodic report
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4
Insider transaction
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SC 13G
Ownership report
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4
Insider transaction
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4
Insider transaction
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4
Insider transaction
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4
Insider transaction
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4
Insider transaction
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4
Insider transaction
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Verified data
- Recent filing categories
- 5
- Recent filings
- 40
- SEC CIK
- 0000793524
- Latest filing date
- August 6, 2026