Crescent BioPharma (CBIO) CMO Im Ellie Eunkyung Sells 623 Shares

What Happened
Im Ellie Eunkyung, Chief Medical Officer of Crescent BioPharma (CBIO), disposed of 623 shares on September 16, 2026 for a reported total of $11,152. The weighted-average price was $17.90; individual sale prices ranged from $17.10 to $19.17.

Key Details

• Transaction type: Sale (Code S).
• Transaction date: 2026-09-16; Form 4 filed 2026-09-18 (timely within required reporting window).
• Shares sold: 623 shares for a total reported value of $11,152 (weighted avg $17.90). Individual trade prices ranged $17.10–$19.17.
• Shares owned after transaction: Not disclosed in this Form 4.
• Footnotes: F1 — Shares were automatically sold to satisfy tax-withholding obligations related to RSUs granted 12/15/2025; sales effected under a Rule 10b5-1 plan adopted 2/25/2026 solely to cover taxes. F2 — Weighted-average price reported; issuer/staff may request breakdown of shares sold at each price.

Context
This was a routine tax-withholding sale tied to RSU vesting, executed under a pre-established 10b5-1 plan — generally considered administrative rather than a directional signal about the insider’s view of the company.