FibroBiologics, Inc. Common Stock (FBLG) Insider Trading
Over the last 6 months, 10 institutions increased and 7 reduced their position (13F).
Insider Activity
Sentiment
50/100
Buys (3m)
0
Sells (3m)
0
Net (3m)
$0
Insider trades by month Buys Sells
May
Dec
Mar
Context3-month price -87.2%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 4, 2026 | O'HEERON PETEdirector, officer: CHIEF EXECUTIVE OFFICER | Grant | 92,410 | $1.38 |
| May 4, 2026 | GARCIA RUBEN Aofficer: General Counsel | Grant | 61,607 | $1.38 |
| May 4, 2026 | Davis Jasonofficer: Chief Financial Officer | Grant | 61,607 | $1.38 |
| May 4, 2026 | Khoja Hamidofficer: Chief Scientific Officer | Grant | 61,607 | $1.38 |
| Mar 5, 2026 | Khoja Hamidofficer: Chief Scientific Officer | Buy | 30,000 | $0.38 |
| Mar 4, 2026 | O'HEERON PETEdirector, officer: CHIEF EXECUTIVE OFFICER | Buy | 15,872 | $0.38 |
| Mar 4, 2026 | O'HEERON PETEdirector, officer: CHIEF EXECUTIVE OFFICER | Buy | 17,428 | $0.35 |
| Mar 4, 2026 | O'HEERON PETEdirector, officer: CHIEF EXECUTIVE OFFICER | Buy | 18,200 | $0.41 |
| Mar 2, 2026 | GARCIA RUBEN Aofficer: General Counsel | Buy | 40,000 | $0.33 |
| Dec 12, 2025 | GARCIA RUBEN Aofficer: General Counsel | Buy | 140,000 | $0.34 |
| Jun 12, 2025 | Niklas Victoria Ninon Oliviadirector | Grant | 22,000 | $0.87 |
| Jun 12, 2025 | Link Matthewdirector | Grant | 22,000 | $0.87 |
| Jun 12, 2025 | Hoffman Robert E.director | Grant | 22,000 | $0.87 |
| Jun 12, 2025 | Coen Stacy Anndirector | Grant | 22,000 | $0.87 |
| Jun 12, 2025 | Cilento Richard C. Jr.director | Grant | 22,000 | $0.87 |
| Jun 10, 2025 | Davis Jasonofficer: Chief Financial Officer | Grant | 450,000 | $0.94 |
| May 27, 2025 | Khoja Hamidofficer: Chief Scientific Officer | Buy | 20,000 | $0.84 |
| Mar 28, 2025 | Khoja Hamidofficer: CHIEF SCIENTIFIC OFFICER | Grant | 189,000 | $1.04 |
| Mar 28, 2025 | O'HEERON PETEdirector, officer: CHIEF EXECUTIVE OFFICER | Grant | 453,000 | $1.04 |
| Mar 28, 2025 | GARCIA RUBEN Aofficer: General Counsel | Grant | 189,000 | $1.04 |
| Dec 30, 2024 | GARCIA RUBEN Aofficer: General Counsel | Grant | 176,200 | $2.36 |
| Dec 30, 2024 | Khoja Hamidofficer: CHIEF SCIENTIFIC OFFICER | Grant | 176,200 | $2.36 |
| Dec 30, 2024 | O'HEERON PETEdirector, officer: Chief Executive Officer | Grant | 406,339 | $2.36 |
Source: FBLG SEC Form 4 filings, latest May 4, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their FBLG positions over the last 6 months (SEC Form 13F).
Increased
10
New positions
21
Reduced
7
Sold out
47
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Reduced | 1.2M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 482K | Feb 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 349K | Feb 9, 2026 |
| CASCADE FINANCIAL PARTNERS, LLC | Increased | 315K | Feb 6, 2026 |
| MILLENNIUM MANAGEMENT LLC | Reduced | 288K | Feb 17, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 232K | Feb 12, 2026 |
| JANE STREET GROUP, LLC | Increased | 150K | Feb 12, 2026 |
| AMG NATIONAL TRUST BANK | New Position | 139K | Jan 30, 2026 |
| UBS GROUP AG | Increased | 121K | Jan 29, 2026 |
| STATE STREET CORP | Unchanged | 111K | Feb 13, 2026 |
| OPTIVISE ADVISORY SERVICES LLC | Unchanged | 110K | Jan 12, 2026 |
| REQUISITE CAPITAL MANAGEMENT, LLC | Unchanged | 110K | Feb 5, 2026 |
| WILEY BROS.-AINTREE CAPITAL, LLC | Unchanged | 100K | Feb 17, 2026 |
| CERITY PARTNERS LLC | Reduced | 94K | Feb 11, 2026 |
| AMERICAN INSTITUTE FOR ADVANCED INVESTMENT MANAGEMENT, LLP | Unchanged | 88K | Feb 4, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.