Brumm Joshua T
SEC insider (Form 3/4/5 filer). CIK 0001528826. Chief Executive Officer at CRESCENT BIOPHARMA, INC. (CBIO). 6 reported Form 4/5 transactions since Sep 2024; latest on Sep 18, 2026. Located in WALTHAM, MA.
Companies Brumm Joshua T has filed insider reports for
- CRESCENT BIOPHARMA, INC. (CBIO): Director, Officer, Chief Executive Officer
Brumm Joshua T
CIK: 0001528826
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
CRESCENT BIOPHARMA, INC.
Discretionary Trading P&L
Holdings
Transaction History (6 total)
- Sep 18, 2026CBIO
CRESCENT BIOPHARMA, INC.
SaleDirect7.8K shares at avg. $16.71$131K - Sep 16, 2026CBIO
CRESCENT BIOPHARMA, INC.
SaleDirect1.6K shares at avg. $17.90$29K - Jun 22, 2026CBIO
CRESCENT BIOPHARMA, INC.
SaleDirect42.3K shares at avg. $17.99$761K - Dec 15, 2025CBIO
CRESCENT BIOPHARMA, INC.
AwardDirect45.1K shares- - Dec 15, 2025CBIO
CRESCENT BIOPHARMA, INC.
AwardDirect10K shares- - Dec 8, 2025CBIO
CRESCENT BIOPHARMA, INC.
AwardDirectStock Option (Right to Buy)
345.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 18, 2026 | CBIO CRESCENT BIOPHARMA, INC. | Sale | 7,837 | $16.71 | $130,956 | Direct |
| Sep 16, 2026 | CBIO CRESCENT BIOPHARMA, INC. | Sale | 1,610 | $17.90 | $28,819 | Direct |
| Jun 22, 2026 | CBIO CRESCENT BIOPHARMA, INC. | Sale | 42,305 | $17.99 | $761,067 | Direct |
| Dec 15, 2025 | CBIO CRESCENT BIOPHARMA, INC. | Award | 45,117 | - | - | Direct |
| Dec 15, 2025 | CBIO CRESCENT BIOPHARMA, INC. | Award | 10,000 | - | - | Direct |
| Dec 8, 2025 | CBIO CRESCENT BIOPHARMA, INC. | Award Stock Option (Right to Buy) | 345,672 | - | - | Direct |
1-6 of 6 transactions