Summary
Updated Aug 31, 2026
Rita A. Karachun files SEC Form 4 reports at Coherus BioSciences, Inc. (CHRS). 1 SEC Form 4 filing on record, dated 9 June 2026.
Recent Transactions
1Every recent SEC Form 4 transaction Rita A. Karachun has reported, most recent first.
Most Active Insiders Right Now
Rita A. Karachun has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- David N. Capobianco - $177.14M of WBI open-market activity in the last 90 days
- WaterBridge Resources LLC - $177.14M of WBI open-market activity in the last 90 days
- Insight Holdings Group, LLC - $174.75M of HNGE open-market activity in the last 90 days
- BVF PARTNERS L P - $173.67M of KYMR open-market activity in the last 90 days
- KL Pattern Holdings LP - $166.93M of PTRN open-market activity in the last 90 days
- Silver Lake Partners V DE (AIV), L.P. - $165.05M of DELL open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Rita A. Karachun?
Rita A. Karachun is a corporate insider of Coherus BioSciences, Inc. (CHRS). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Rita A. Karachun submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Rita A. Karachun'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 Rita A. Karachun 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