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Who

Ellie Eunkyung Im

Chief Medical Officer

Company insider

Files Form 4 as: Chief Medical Officer, Crescent Biopharma.

In numbers

Trades disclosed
7
Buys
0
Sells
2
Bought
$0
Sold
$66K
Companies
1
Companies where not an officer
0
First trade
15 Dec 2025
Last trade
16 Sep 2026
Last filed
18 Sep 2026

Companies traded

Where they are an officer
CBIO Crescent BiopharmaOfficer · Biotechnology · last 16 Sep 20260 buys · 2 sells

Activity over time

1 Jun – 1 Oct
10Jun 26Jul 26Aug 26Sep 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
16 Sep 2026filed 18 Sep 2026CBIO Crescent BiopharmaBiotechnologySEC FORM 4 Sold$11K623 at $17.90filing
16 Sep 2026filed 18 Sep 2026CBIO Crescent BiopharmaBiotechnologySEC FORM 4 Sold$11K623 at $17.90filing
22 Jun 2026filed 23 Jun 2026CBIO Crescent BiopharmaBiotechnologySEC FORM 4 Sold$22K1,219 at $17.99filing
22 Jun 2026filed 23 Jun 2026CBIO Crescent BiopharmaBiotechnologySEC FORM 4 Sold$22K1,219 at $17.99filing
15 Dec 2025filed 17 Dec 2025CBIO Crescent Biopharmaoption or derivative · BiotechnologySEC FORM 4 Code A—65,190 at $0.00filing
15 Dec 2025filed 17 Dec 2025CBIO Crescent BiopharmaBiotechnologySEC FORM 4 Code A—16,298filing
15 Dec 2025filed 17 Dec 2025CBIO Crescent BiopharmaBiotechnologySEC FORM 4 Code A—5,000filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Health Care2

Buys in green, sells in red, by the company’s sector.

Related people

Joshua T. BrummChief Executive Officer · Chief Executive Officer at Crescent Biopharma, filing Form 4 there in the last year
Ryan LynchOfficer · Officer at Crescent Biopharma, filing Form 4 there in the last year
Richard William ScalzoChief Financial Officer · Chief Financial Officer at Crescent Biopharma, filing Form 4 there in the last year
Jonathan McNeillPresident and COO · President and COO at Crescent Biopharma, filing Form 4 there in the last year
Barbara Harlin BisphamOfficer · Officer at Crescent Biopharma, filing Form 4 there in the last year
Jan PinkasChief Scientific Officer · Also traded CBIO in the last 90 days