Summary
Updated Aug 30, 2026
Ellie Eunkyung Im is Chief Medical Officer of CRESCENT BIOPHARMA, INC. (CBIO). 1 SEC Form 4 filing on record, dated 23 June 2026. Most recent open-market trade: sold $22K of CBIO on 23 June 2026. Lifetime open-market sales: $22K.
Recent Transactions
1Every recent SEC Form 4 transaction Ellie Eunkyung Im has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Ellie Eunkyung Im go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Ellie Eunkyung Im files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Fairmount Funds Management LLC - $20.00M of CBIO open-market activity in the last 12 months
- Joshua T. Brumm - $761K of CBIO open-market activity in the last 12 months
- Jonathan McNeill - $370K of CBIO open-market activity in the last 12 months
- Jan Pinkas - $23K of CBIO open-market activity in the last 12 months
- Barbara Harlin Bispham - $22K of CBIO open-market activity in the last 12 months
- Richard William Scalzo - $20K of CBIO 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 Ellie Eunkyung Im?
Ellie Eunkyung Im is a corporate insider, tracked as Chief Medical Officer of CRESCENT BIOPHARMA, INC. (CBIO). 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 Ellie Eunkyung Im submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Ellie Eunkyung Im been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($22K) across all tracked filings.
Where can I see all of Ellie Eunkyung Im'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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