8-K - FibroBiologics, Inc. (0001958777) (Filer)
Published . Updated .
Filed: 2026-10-08 AccNo: 0001193125-26-418065 Size: 696 KB Item 1.01: Entry into a Material Definitive Agreement Item 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant Item 3.02: Unregistered Sales of Equity Securities Item 9.01: Financial Statements and Exhibits
Directly affected
- FBLG FibroBiologics
Named in this report.
Indirectly affected
- SPY SPDR S&P 500
The broad U.S. stock market
- TLT iShares 20+ Year Treasury Bond
Long-term U.S. government bonds
- QQQ Invesco QQQ
Large technology stocks
- GLD SPDR Gold Shares
Gold can move with the broad market
Price reaction, T-5 to T+3
Filed: 2026-10-08 AccNo: 0001193125-26-418065 Size: 696 KB Item 1.01: Entry into a Material Definitive Agreement Item 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant I…
Source: sec-edgar
The price since 8 Oct 2026: FibroBiologics (FBLG) versus the S&P 500
Since the first closing price after “8-K - FibroBiologics, Inc. (0001958777) (Filer),” FibroBiologics (FBLG) is -17.67%. The S&P 500 fund (SPY) is -1.53% over the same days, a -16.14% difference versus the market.
| Company | When | Move | Status |
|---|---|---|---|
| FibroBiologics (FBLG) | that day | +9.43% | final price |
| FibroBiologics (FBLG) | the next day | -2.83% | final price |
| FibroBiologics (FBLG) | two days later | -5.66% | final price |
| FibroBiologics (FBLG) | three days later | -8.05% | final price |
| FibroBiologics (FBLG) | three days earlier | +13.21% | final price |
| FibroBiologics (FBLG) | five days earlier | +15.09% | final price |
| GLD | that day | +1.57% | final price |
| GLD | the next day | +0.93% | final price |
| GLD | two days later | +0.80% | final price |
| GLD | three days later | -0.70% | final price |
| GLD | three days earlier | +0.96% | final price |
| GLD | five days earlier | +0.41% | final price |
| QQQ | that day | +0.50% | final price |
| QQQ | the next day | -0.20% | final price |
| QQQ | two days later | -0.52% | final price |
| QQQ | three days later | -2.48% | final price |
| QQQ | three days earlier | +1.62% | final price |
| QQQ | five days earlier | +0.27% | final price |
| SPY | that day | +0.60% | final price |
| SPY | the next day | +0.54% | final price |
| SPY | two days later | +0.54% | final price |
| SPY | three days later | -0.55% | final price |
| SPY | three days earlier | +0.67% | final price |
| SPY | five days earlier | -0.55% | final price |
| TLT | that day | +0.12% | final price |
| TLT | the next day | +0.21% | final price |
| TLT | two days later | +0.62% | final price |
| TLT | three days later | +1.30% | final price |
| TLT | three days earlier | -0.76% | final price |
| TLT | five days earlier | -0.49% | final price |
Who is named in “8-K - FibroBiologics, Inc. (0001958777) (Filer)”
Companies carried with this story
- FBLG FibroBiologics
For “8-K - FibroBiologics, Inc. (0001958777) (Filer),” FibroBiologics (FBLG) is linked, with no stored direction, high confidence. Reason on file: SEC 8-K filing -> direct issuer disclosure -> FBLG
How “8-K - FibroBiologics, Inc. (0001958777) (Filer)” reaches FibroBiologics (FBLG)
The 8 Oct 2026 story “8-K - FibroBiologics, Inc. (0001958777) (Filer)” names FibroBiologics (FBLG) because of this story.
For FibroBiologics (FBLG), the reason on file says SEC 8-K filing -> direct issuer disclosure -> FBLG
Dates in the story, and the FibroBiologics (FBLG) price range
FBLG traded between 0.95 and 1.19 across 7 sessions. The latest close on file is 0.95.
How solid “8-K - FibroBiologics, Inc. (0001958777) (Filer)” looks
39 out of 100
“8-K - FibroBiologics, Inc. (0001958777) (Filer)” scores 39 out of 100. The score uses 1 sources, a -3.37% difference versus the S&P 500 (SPY), and 1 linked companies.