CRESCENT BIOPHARMA, INC. (CBIO) has 28 open-market insider trades by 15 insiders since 2015. Over the last six months insiders net bought $12.4M. The most active filer is Nassim Usman, President.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Peter Evan Harwin | Dir10% Owner | — | 1 | $18.2M | 2025-12-04 |
| Fairmount Funds Management LLC | Dir10% Owner | — | 1 | $12.4M | 2026-07-16 |
| Deerfield Mgmt L.P. via James E. Flynn | 10% Owner | — | 1 | $4.0M | 2018-03-08 |
| Deerfield Management Company, L.P. (series C) via Keith Crandell | 10% Owner | — | 1 | $2.8M | 2018-03-08 |
| Augustine Lawlor | Dir | — | 1 | $847K | 2023-08-31 |
| Nassim Usman | Pres | — | 7 | $35K | 2023-08-31 |
| Howard Levy | Chief Medical Officer | — | 4 | $29K | 2021-08-09 |
| Fletcher Payne | CFO | — | 1 | $20K | 2019-08-12 |
| Geoffrey Ling M.D. | Dir | — | 1 | $19K | 2022-01-07 |
| John P. Richard | Dir | — | 2 | $18K | 2020-03-13 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Barbara Harlin Bispham | — | Sell | $11K | 2026-09-16 |
| Jonathan McNeill | President & COO | Sell | $77K | 2026-09-16 |
| Richard William Scalzo | CFO | Sell | $10K | 2026-09-16 |
| Ellie Eunkyung Im | — | Sell | $11K | 2026-09-16 |
| Jan Pinkas | CSO | Sell | $12K | 2026-09-16 |
| Ryan Lynch | — | Sell | $4K | 2026-09-16 |
Companies that share insiders with CBIO, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Joshua T. Brumm | CEO | Sell | $160K | 2026-09-16 |
| Fairmount Funds Management LLC | Director & 10% Owner | Buy | $12.4M | 2026-07-16 |
| Joshua T. Brumm | CEO | Sell | $761K | 2026-06-22 |
| Jonathan McNeill | President & COO | Sell | $370K | 2026-06-22 |
| Richard William Scalzo | CFO | Sell | $20K | 2026-06-22 |
| Ryan Lynch | — | Sell | $8K | 2026-06-22 |
| Jan Pinkas | CSO | Sell | $23K | 2026-06-22 |
| Ellie Eunkyung Im | — | Sell | $22K | 2026-06-22 |
| Barbara Harlin Bispham | — | Sell | $22K | 2026-06-22 |