Summary
Updated Aug 31, 2026
Richard S. Serbin files SEC Form 4 reports at Co-Diagnostics, Inc. (CODX). 5 SEC Form 4 filings on record going back to 2024, most recently on 27 May 2026.
Recent Transactions
4Every recent SEC Form 4 transaction Richard S. Serbin has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Richard S. Serbin go back to 2024: 5 primary Form 4 filings, an average of 1.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Sector
No other insider has filed at Richard S. Serbin's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- ULSE Inc. - $146.25M of ULS open-market activity in the last 12 months
- Fairmount Funds Management LLC - $133.53M of APGE open-market activity in the last 12 months
- Jason P. Rhodes - $124.92M of DYN open-market activity in the last 12 months
- Stephen M. Bloch - $118.66M of LQDA open-market activity in the last 12 months
- RA CAPITAL MANAGEMENT, L.P. - $117.62M of ARTV open-market activity in the last 12 months
- SVF Pauling (Cayman) Ltd - $116.40M of RLAY open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Richard S. Serbin?
Richard S. Serbin is a corporate insider of Co-Diagnostics, Inc. (CODX). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Richard S. Serbin last file a Form 4?
The most recent primary Form 4 on record is dated 27 May 2026, one of 5 filings going back to 2024.
Where can I see all of Richard S. Serbin's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Follow Richard S. Serbin and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial