CRESCENT BIOPHARMA, INC. (CBIO)

Latest Insider Confidence Score

2025Q4

51.6
Bullish

Company insider confidence (by quarter)

2014Q1 2025Q4

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Artal International S.C.A. 10% Owner 8,589,064 Feb 28, 2023
Artal International Management S.A. 10% Owner 8,589,064 Feb 28, 2023
Artal Group S.A. 10% Owner 8,589,064 Feb 28, 2023
Westend S.A. 10% Owner 8,589,064 Feb 28, 2023
Stichting Administratiekantoor Westend 10% Owner 8,589,064 Feb 28, 2023

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 15, 2025 Dec 17, 2025 Pinkas Jan Chief Scientific Officer Neutral 90.0 +22,507 100.00% ✗ -
Dec 15, 2025 Dec 17, 2025 Doughty Christopher Grant Chief Business Officer Neutral 90.0 +22,714 57.53% ✗ -
Dec 15, 2025 Dec 17, 2025 Brumm Joshua T CEO Neutral 90.0 +55,117 20.54% ✗ -
Dec 15, 2025 Dec 17, 2025 Scalzo Richard William CFO Neutral 90.0 +19,422 100.00% ✗ -
Dec 15, 2025 Dec 17, 2025 McNeill Jonathan COO Neutral 90.0 +25,507 19.01% ✗ -
Dec 15, 2025 Dec 17, 2025 Im Ellie Eunkyung Chief Medical Officer Neutral 90.0 +21,298 100.00% ✗ -
Dec 15, 2025 Dec 17, 2025 Lynch Ryan Officer Neutral 90.0 +12,378 100.00% ✗ -
Dec 15, 2025 Dec 17, 2025 Bispham Barbara Harlin Officer Neutral 90.0 +18,422 100.00% ✗ -
Dec 8, 2025 Dec 10, 2025 McNeill Jonathan COO Neutral 52.5 - 0.00% ✗ -
Dec 8, 2025 Dec 10, 2025 Brumm Joshua T CEO Neutral 52.5 - 0.00% ✗ -
Dec 4, 2025 Dec 8, 2025 Fairmount Funds Management LLC Director Buy 100.0 +1,360,000 97.99% ✗ $18.2M
Jul 16, 2025 Jul 16, 2025 Pinkas Jan Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
Jul 15, 2025 Pinkas Jan Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
Jun 30, 2025 Im Ellie Eunkyung Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jun 30, 2025 Bispham Barbara Harlin Officer Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Jun 23, 2025 Moran Susan Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Jun 23, 2025 Fairmount Funds Management LLC Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Jun 23, 2025 Violin Jonathan Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Jun 23, 2025 Balcom Alexandra Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Jun 23, 2025 Lubner David Charles Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Lynch Ryan Officer Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Doughty Christopher Grant Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Scalzo Richard William CFO Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 McNeill Jonathan Officer Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Brumm Joshua T CEO Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Fairmount Funds Management LLC Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Lubner David Charles Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Violin Jonathan Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Balcom Alexandra Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2025 Moran Susan Director Neutral 52.5 - 0.00% ✗ -
Jun 13, 2025 Jun 17, 2025 BVF PARTNERS L P/IL 10% Owner Neutral 90.0 +1,270,004 1362.15% ✗ -
Aug 7, 2024 Aug 9, 2024 Invus Public Equities, L.P. 10% Owner Sell 22.5 -322,361 -4.85% ✗ $61.2K
Aug 5, 2024 Aug 7, 2024 Invus Public Equities, L.P. 10% Owner Sell 26.3 -220,255 -3.21% ✗ $41.2K
Aug 1, 2024 Aug 5, 2024 Invus Public Equities, L.P. 10% Owner Sell 22.5 -349,764 -4.85% ✗ $71.1K
Jul 26, 2024 Jul 30, 2024 Invus Public Equities, L.P. 10% Owner Sell 20.0 -1,379,119 -16.06% ✗ $315.3K
Jul 29, 2024 Siren, L.L.C. 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 24, 2024 Rock Edwin Chief Medical Officer Buy 95.0 +305,000 81.25% ✗ $78.8K
Jun 18, 2024 Jun 20, 2024 Hahn Brian M. CFO Buy 90.0 +17,500 32.93% ✗ $4.3K
May 1, 2024 May 1, 2024 Koenig Scott Director Neutral 52.5 - 0.00% ✗ -
May 1, 2024 May 1, 2024 Goldberg Mark Alan Director Neutral 52.5 - 0.00% ✗ -
May 1, 2024 May 1, 2024 PEARSON TIMOTHY R Director Neutral 52.5 - 0.00% ✗ -
May 1, 2024 May 1, 2024 King Rachel K. Director Neutral 52.5 - 0.00% ✗ -
May 1, 2024 May 1, 2024 Andrews Patricia S Director Neutral 52.5 - 0.00% ✗ -
May 1, 2024 May 1, 2024 Jackson Scott Thomas Director Neutral 52.5 - 0.00% ✗ -
May 1, 2024 May 1, 2024 JUNIUS DANIEL M Director Neutral 52.5 - 0.00% ✗ -
Mar 29, 2024 Apr 2, 2024 JUNIUS DANIEL M Director Neutral 85.0 +5,209 5.59% ✗ -
Mar 29, 2024 Apr 2, 2024 King Rachel K. Director Neutral 67.5 +3,334 0.51% ✗ -
Mar 29, 2024 Apr 2, 2024 Goldberg Mark Alan Director Neutral 90.0 +4,584 14.44% ✗ -
Jan 12, 2024 Jan 17, 2024 Johnson Bruce S SVP & Chief Commercial Officer Neutral 52.5 - 0.00% ✗ -
Jan 12, 2024 Jan 17, 2024 Semerjian Harout CEO Neutral 52.5 - 0.00% ✗ -
Jan 12, 2024 Jan 17, 2024 Rock Edwin Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 12, 2024 Jan 17, 2024 Rath Chinmaya SVP and Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Jan 12, 2024 Jan 17, 2024 Hahn Brian M. CFO Neutral 52.5 - 0.00% ✗ -
Dec 29, 2023 Jan 2, 2024 Andrews Patricia S Director Neutral 85.0 +5,191 9.72% ✗ -
Dec 29, 2023 Jan 2, 2024 King Rachel K. Director Neutral 67.5 +4,238 0.65% ✗ -
Dec 29, 2023 Jan 2, 2024 Goldberg Mark Alan Director Neutral 90.0 +5,827 22.49% ✗ -
Sep 30, 2023 Oct 3, 2023 Goldberg Mark Alan Director Neutral 90.0 +9,167 54.74% ✗ -
Sep 30, 2023 Oct 3, 2023 Andrews Patricia S Director Neutral 90.0 +8,167 18.05% ✗ -
Sep 30, 2023 Oct 3, 2023 King Rachel K. Director Neutral 77.5 +6,667 1.03% ✗ -
Sep 21, 2023 Sep 25, 2023 Rock Edwin Chief Medical Officer Buy 95.0 +65,403 21.10% ✗ $90.3K
Jun 1, 2023 Jun 2, 2023 Koenig Scott Director Neutral 52.5 - 0.00% ✗ -
May 19, 2023 May 22, 2023 King Rachel K. Director Neutral 52.5 - 0.00% ✗ -
May 19, 2023 May 22, 2023 JUNIUS DANIEL M Director Neutral 52.5 - 0.00% ✗ -
May 19, 2023 May 22, 2023 Koenig Scott Director Neutral 52.5 - 0.00% ✗ -
May 19, 2023 May 22, 2023 Goldberg Mark Alan Director Neutral 52.5 - 0.00% ✗ -
May 19, 2023 May 22, 2023 PEARSON TIMOTHY R Director Neutral 52.5 - 0.00% ✗ -
May 19, 2023 May 22, 2023 Andrews Patricia S Director Neutral 52.5 - 0.00% ✗ -
May 19, 2023 May 22, 2023 Jackson Scott Thomas Director Neutral 52.5 - 0.00% ✗ -
May 17, 2023 May 18, 2023 Hahn Brian M. CFO Sell 47.5 -3,700 -6.51% ✗ $7.2K
May 10, 2023 May 11, 2023 JUNIUS DANIEL M Director Buy 91.3 +30,000 47.43% ✗ $46.8K
May 8, 2023 May 9, 2023 Johnson Bruce S SVP & Chief Commercial Officer Buy 91.3 +13,500 10.76% ✗ $21.2K
Mar 31, 2023 Rath Chinmaya SVP and Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Mar 31, 2023 Johnson Bruce S SVP & Chief Commercial Officer Neutral 52.5 - 0.00% ✗ -
Feb 24, 2023 Feb 28, 2023 Invus Public Equities, L.P. 10% Owner Buy 82.5 +100,000 1.18% ✗ $170K
Feb 21, 2023 Feb 23, 2023 Invus Public Equities, L.P. 10% Owner Buy 90.0 +400,000 4.94% ✗ $712.3K
Feb 15, 2023 Feb 17, 2023 Invus Public Equities, L.P. 10% Owner Buy 100.0 +1,515,266 23.05% ✗ $3M
Feb 9, 2023 Feb 13, 2023 Invus Public Equities, L.P. 10% Owner Buy 56.3 +11,451 0.17% ✗ $37.1K
Feb 13, 2023 Invus Public Equities, L.P. 10% Owner Neutral 52.5 - 0.00% ✗ -
Feb 15, 2022 Feb 6, 2023 King Rachel K. Director Neutral 82.5 +19,141 3.05% ✗ -
Jan 27, 2023 Jan 30, 2023 Koenig Scott Director Neutral 52.5 - 0.00% ✗ -
Jan 25, 2023 Jan 27, 2023 SANDELL SCOTT D 10% Owner Sell 15.0 -3,652,016 -42.37% ✗ $11.5M
Jan 19, 2023 Jan 20, 2023 Hahn Brian M. CFO Neutral 52.5 - 0.00% ✗ -
Jan 19, 2023 Jan 20, 2023 Semerjian Harout CEO Neutral 52.5 - 0.00% ✗ -
Jan 19, 2023 Jan 20, 2023 Rock Edwin Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 5, 2023 Jan 6, 2023 SANDELL SCOTT D 10% Owner Sell 32.5 -71,362 -0.82% ✗ $196.9K
Dec 30, 2022 Jan 4, 2023 SANDELL SCOTT D 10% Owner Sell 17.5 -398,133 -4.38% ✗ $1.2M
Dec 22, 2022 Dec 27, 2022 Rock Edwin Chief Medical Officer Buy 95.0 +110,000 55.00% ✗ $247.5K
Nov 17, 2022 Nov 18, 2022 JUNIUS DANIEL M Director Buy 91.3 +20,000 46.24% ✗ $37.4K
Nov 14, 2022 Nov 16, 2022 Rock Edwin Chief Medical Officer Buy 97.5 +200,000 100.00% ✗ $309K
Nov 11, 2022 Nov 14, 2022 PEARSON TIMOTHY R Director Buy 91.3 +19,400 369.52% ✗ $25K
Nov 11, 2022 Nov 14, 2022 Semerjian Harout CEO Buy 91.3 +25,000 100.00% ✗ $32.3K
Nov 11, 2022 Nov 14, 2022 Hahn Brian M. CFO Buy 91.3 +20,000 54.28% ✗ $21.2K
Nov 11, 2022 Nov 14, 2022 Magnani John L. SVP of Research, CSO Buy 95.0 +45,045 13.82% ✗ $52.7K
Nov 11, 2022 Nov 14, 2022 Girard Armand SVP, Chief Business Officer Buy 90.0 +6,500 28.68% ✗ $6.8K
Sep 2, 2022 Sep 7, 2022 Rock Edwin Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Sep 7, 2022 Rock Edwin Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
May 18, 2022 May 20, 2022 PEARSON TIMOTHY R Director Neutral 52.5 - 0.00% ✗ -
May 18, 2022 May 20, 2022 Koenig Scott Director Neutral 52.5 - 0.00% ✗ -
May 18, 2022 May 20, 2022 King Rachel K. Director Neutral 52.5 - 0.00% ✗ -
May 18, 2022 May 20, 2022 JUNIUS DANIEL M Director Neutral 52.5 - 0.00% ✗ -