Summary
Updated Aug 31, 2026
Thomas J. Riga is COO and CCO of CHIMERIX INC (CMRX). 1 SEC Form 4 filing on record, dated 21 April 2025.
Recent Transactions
1Every recent SEC Form 4 transaction Thomas J. Riga has reported, most recent first.
Other Insiders Active in the Same Sector
No other insider has filed at Thomas J. Riga's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Mayukh Sukhatme - $109.13M of ROIV open-market activity in the last 12 months
- Michael Simanovsky - $105.88M of SNDA open-market activity in the last 12 months
- Eric Venker - $103.97M of ROIV open-market activity in the last 12 months
- Bruce Booth - $100.59M of KYMR open-market activity in the last 12 months
- Paul A. Mahon - $99.65M of UTHR open-market activity in the last 12 months
- ADAR1 Capital Management, LLC - $95.66M of KROS 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 Thomas J. Riga?
Thomas J. Riga is a corporate insider, tracked as COO and CCO of CHIMERIX INC (CMRX). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Thomas J. Riga last file a Form 4?
The only primary Form 4 on record is dated 21 April 2025.
Where can I see all of Thomas J. Riga'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.
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