CBIO

CRESCENT BIOPHARMA, INC.

Pharmaceutical PreparationsNasdaqNon-accelerated filer<br>Smaller reporting company

Total Trades

7

Buys

7

Sells

0

Largest Trade

$1M+

Insiders

4

Institutional Funds

35

Inst. Value

$1M+

Activist Filings

42

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Fairmount Funds Management LLCDirectorBUY$1M+1.4M$13.41Dec 8, 2025
USMAN NASSIMPresident & CEOBUY$1K–$15K3K$0.47Aug 10, 2022
Miller Seline E.SVP Finance; Inter…BUY$1K–$15K3K$0.47Aug 10, 2022
Blouse Grant E.Chief Scientific O…BUY$1K–$15K3K$0.47Aug 10, 2022
USMAN NASSIMPresident & CEOBUY$1K–$15K3K$0.46Feb 17, 2022
Miller Seline E.SVP Finance; Inter…BUY$1K–$15K3K$0.46Feb 17, 2022
Blouse Grant E.Chief Scientific O…BUY$1K–$15K3K$0.46Feb 17, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

FMR LLC

SC 13G/A · Feb 5, 2026

15.0%

4.1M shares

ForGrowth III PA B.V.

SC 13G · Dec 11, 2025

6.1%

1.7M shares

Fairmount Funds Management LLC

SC 13D/A · Dec 8, 2025

18.5%

5.6M shares

1Globe Capital LLC

SC 13G/A · Oct 14, 2025

10.3%

1.4M shares

TANG CAPITAL MANAGEMENT, LLC

SC 13G · Oct 9, 2025

5.0%

700K shares

1Globe Capital LLC

SC 13G · Aug 20, 2025

6.5%

897K shares

BIOTECHNOLOGY VALUE FUND L P

SC 13G/A · Aug 14, 2025

5.1%

707K shares

Logos Global Management LP

SC 13G/A · Aug 14, 2025

4.1%

575K shares

FMR LLC

SC 13G · Jul 8, 2025

10.2%

1.4M shares

Fairmount Funds Management LLC

SC 13D · Jun 23, 2025

20.0%

3.1M shares

9.9%

1.4M shares

Adage Capital Management, L.P.

SC 13D/A · Jun 20, 2025

0.4%

51K shares

GNI Group Ltd.

SC 13D/A · Oct 30, 2023

16.5%

6.3M shares

Nantahala Capital Management, LLC

SC 13G/A · Feb 14, 2023

1.4%

438K shares

OrbiMed Capital LLC

SC 13G/A · Feb 14, 2023

0.0%

0 shares

Laurence W. Lytton

SC 13G/A · Feb 13, 2023

7.1%

2.7M shares

3.1%

1.2M shares

GNI Group Ltd.

SC 13D · Jan 4, 2023

16.6%

6.3M shares

JDS1, LLC

SC 13D/A · Oct 7, 2022

3.4%

1.1M shares

JDS1, LLC

SC 13D/A · Aug 19, 2022

7.1%

2.2M shares

JDS1, LLC

SC 13D/A · Aug 3, 2022

7.1%

2.2M shares

JEC II Associates, LLC

SC 13D/A · Aug 1, 2022

4.9%

1.6M shares

JDS1, LLC

SC 13D/A · Jul 22, 2022

7.1%

2.2M shares

JEC II Associates, LLC

SC 13D · Jun 21, 2022

4.9%

1.6M shares

JDS1, LLC

SC 13D/A · Jun 17, 2022

6.4%

2.0M shares

JDS1, LLC

SC 13D/A · May 25, 2022

6.4%

2.0M shares

JDS1, LLC

SC 13D/A · May 10, 2022

4.2%

1.3M shares

JDS1, LLC

SC 13D/A · May 2, 2022

4.2%

1.3M shares

JDS1, LLC

SC 13D/A · Apr 21, 2022

4.2%

1.3M shares

JDS1, LLC

SC 13D/A · Mar 7, 2022

4.2%

1.3M shares

Laurence W. Lytton

SC 13G · Mar 4, 2022

5.9%

1.9M shares

JDS1, LLC

SC 13D/A · Feb 28, 2022

4.2%

1.3M shares

JDS1, LLC

SC 13D/A · Feb 23, 2022

4.0%

1.2M shares

Acuta Capital Partners, LLC

SC 13G/A · Feb 14, 2022

0.0%

0 shares

Nantahala Capital Management, LLC

SC 13G/A · Feb 14, 2022

8.8%

2.8M shares

Stonepine Capital Management, LLC

SC 13G/A · Feb 11, 2022

0.0%

0 shares

OrbiMed Capital LLC

SC 13G · Feb 11, 2022

4.3%

1.4M shares

5.6%

1.8M shares

Julian Singer

SC 13D/A · Jan 27, 2022

2.5%

780K shares

0.0%

0 shares

6.0%

1.9M shares

Julian Singer

SC 13D/A · Jan 5, 2022

2.5%

780K shares

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