CBIOHealthcareSmall-Cap
CRESCENT BIOPHARMA, INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for CRESCENT BIOPHARMA, INC. (CBIO), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are CBIO insiders buying or selling?
CRESCENT BIOPHARMA, INC. insiders reported 25 open-market buys ($46.9M) and 25 sells ($16.3M) across 50 Form 4 filings — a net buying position of $30.6M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jul 20, 2026)
Total Form 4 filings
50
SEC EDGAR
Insider filers
24
Insider buys (25)
$46.9M
Insider sells (25)
$16.3M
Insider sentiment
Net buyingNet insider flow of $30.6M in net buying. 1 insider buy in the last 90 days.
Recent CBIO insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 20, 2026 | Tomas Kiselak | Director, 10% Owner | Purchase | 853.5K | $14.50 | $12.4M |
| Jun 23, 2026 | Ryan Lynch | Treasurer, Senior Vice President of Finance and Chief Accounting Officer. | Sale | 465 | $17.99 | $8.4K |
| Jun 23, 2026 | Jan Pinkas | Chief Scientific Officer | Sale | 1.3K | $17.99 | $23.2K |
| Jun 23, 2026 | Richard William Scalzo | Chief Financial Officer | Sale | 1.1K | $17.99 | $20.0K |
| Jun 23, 2026 | Barbara Harlin Bispham | General Counsel and Corporate Secretary. | Sale | 1.2K | $17.99 | $21.9K |
| Jun 23, 2026 | Ellie Eunkyung Im | Chief Medical Officer | Sale | 1.2K | $17.99 | $21.9K |
| Jun 23, 2026 | Jonathan Mcneill | President and COO | Sale | 20.5K | $17.99 | $369.7K |
| Jun 23, 2026 | Joshua T Brumm | Chief Executive Officer | Sale | 42.3K | $17.99 | $761.1K |
| Dec 8, 2025 | Tomas Kiselak | Director, 10% Owner | Purchase | 1.4M | $13.41 | $18.2M |
| Aug 9, 2024 | Raymond Debbane | 10% Owner | Sale | 322.4K | $0.19 | $61.2K |
| Aug 7, 2024 | Raymond Debbane | 10% Owner | Sale | 220.3K | $0.19 | $41.2K |
| Aug 5, 2024 | Raymond Debbane | 10% Owner | Sale | 349.8K | $0.20 | $71.1K |
| Jul 30, 2024 | Raymond Debbane | 10% Owner | Sale | 1.4M | $0.23 | $315.3K |
| Jun 24, 2024 | Edwin Rock | Chief Medical Officer | Purchase | 305.0K | $0.26 | $78.8K |
| Jun 20, 2024 | Brian M. Hahn | SVP Finance, CFO | Purchase | 17.5K | $0.25 | $4.3K |
| Sep 25, 2023 | Edwin Rock | Chief Medical Officer | Purchase | 65.4K | $1.38 | $90.3K |
| May 18, 2023 | Brian M. Hahn | SVP Finance, CFO | Sale | 3.7K | $1.95 | $7.2K |
| May 11, 2023 | JUNIUS DANIEL M | Director | Purchase | 30.0K | $1.56 | $46.8K |
| May 9, 2023 | Bruce S Johnson | SVP & Chief Commercial Officer | Purchase | 13.5K | $1.57 | $21.2K |
| Feb 28, 2023 | Amaury Wittouck | 10% Owner | Purchase | 100.0K | $1.70 | $170.0K |
| Feb 23, 2023 | Amaury Wittouck | 10% Owner | Purchase | 400.0K | $1.78 | $712.3K |
| Feb 17, 2023 | Amaury Wittouck | 10% Owner | Purchase | 1.5M | $2.00 | $3.0M |
| Feb 13, 2023 | Amaury Wittouck | 10% Owner | Purchase | 11.5K | $3.24 | $37.1K |
| Jan 27, 2023 | Scott D Sandell | 10% Owner | Sale | 3.7M | $3.14 | $11.5M |
| Jan 6, 2023 | Scott D Sandell | 10% Owner | Sale | 71.4K | $2.76 | $196.9K |
Showing the 25 most recent of 50 Form 4 filings for CRESCENT BIOPHARMA, INC..
Most active CBIO insiders
- Raymond Debbane8 filings
- Brian M. Hahn5 filings
- Edwin Rock4 filings
- JUNIUS DANIEL M4 filings
- Scott D Sandell4 filings
Ask anything about CBIO insider activity
Use Trabud's AI agent to query CRESCENT BIOPHARMA, INC.'s Form 4 history in plain English — "Show me CBIO CEO purchases this year" or compare it against any other ticker.
Open the AI agentCBIO insider trading FAQ
Are CRESCENT BIOPHARMA, INC. insiders buying or selling?
Across 50 SEC Form 4 filings, CRESCENT BIOPHARMA, INC. (CBIO) insiders reported 25 open-market purchases totaling $46.9M and 25 sales totaling $16.3M. That is a net buying position of $30.6M.
How many insiders trade CBIO stock?
24 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for CRESCENT BIOPHARMA, INC.. The most recent filing was accepted on Jul 20, 2026.
Where does Trabud get CBIO insider trading data?
All CBIO insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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