8-K - Zenas BioPharma, Inc. (0001953926) (Filer)
Published . Updated .
Filed: 2026-10-13 AccNo: 0001104659-26-115151 Size: 253 KB Item 7.01: Regulation FD Disclosure Item 9.01: Financial Statements and Exhibits
Directly affected
- ZBIO Zenas BioPharma
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: 2026-10-13 AccNo: 0001104659-26-115151 Size: 253 KB Item 7.01: Regulation FD Disclosure Item 9.01: Financial Statements and Exhibits
Source: sec-edgar
Price since this story was published: Zenas BioPharma (ZBIO)
Since the first closing price after “8-K - Zenas BioPharma, Inc. (0001953926) (Filer),” Zenas BioPharma (ZBIO) is +7.55%. The S&P 500 fund (SPY) is -0.40% over the same days, a +7.94% difference versus the market.
| Company | When | Move | Status |
|---|---|---|---|
| GLD | that day | -0.14% | final price |
| GLD | the next day | -1.62% | final price |
| GLD | two days later | +0.13% | final price |
| GLD | three days later | -0.03% | final price |
| GLD | three days earlier | -0.93% | final price |
| GLD | five days earlier | +0.03% | final price |
| QQQ | that day | -0.32% | final price |
| QQQ | the next day | -2.28% | final price |
| QQQ | two days later | -2.39% | final price |
| QQQ | three days later | -4.85% | final price |
| QQQ | three days earlier | +0.20% | final price |
| QQQ | five days earlier | +1.83% | final price |
| SPY | that day | 0.00% | final price |
| SPY | the next day | -1.08% | final price |
| SPY | two days later | -0.80% | final price |
| SPY | three days later | -1.89% | final price |
| SPY | three days earlier | -0.53% | final price |
| SPY | five days earlier | +0.14% | final price |
| TLT | that day | +0.42% | final price |
| TLT | the next day | +1.10% | final price |
| TLT | two days later | +2.52% | final price |
| TLT | three days later | +2.58% | final price |
| TLT | three days earlier | -0.21% | final price |
| TLT | five days earlier | -0.97% | final price |
| Zenas BioPharma (ZBIO) | that day | -4.70% | final price |
| Zenas BioPharma (ZBIO) | the next day | -5.83% | final price |
| Zenas BioPharma (ZBIO) | two days later | -3.79% | final price |
| Zenas BioPharma (ZBIO) | three days later | -5.91% | final price |
| Zenas BioPharma (ZBIO) | three days earlier | -0.61% | final price |
| Zenas BioPharma (ZBIO) | five days earlier | +2.05% | final price |
Who gains and who loses around Zenas BioPharma (ZBIO)
Companies carried with this story
- ZBIO Zenas BioPharma
For “8-K - Zenas BioPharma, Inc. (0001953926) (Filer),” Zenas BioPharma (ZBIO) is linked, with no stored direction, high confidence. Reason on file: SEC 8-K filing -> direct issuer disclosure -> ZBIO
How “8-K - Zenas BioPharma, Inc. (0001953926) (Filer)” reaches Zenas BioPharma (ZBIO)
The 13 Oct 2026 story “8-K - Zenas BioPharma, Inc. (0001953926) (Filer)” names Zenas BioPharma (ZBIO) because of this story.
The link for Zenas BioPharma (ZBIO) is this: SEC 8-K filing -> direct issuer disclosure -> ZBIO
Dates and price levels for Zenas BioPharma (ZBIO)
ZBIO traded between 24.40 and 31.96 across 7 sessions. The latest close on file is 26.73.
How strong the case is around Zenas BioPharma (ZBIO)
44 out of 100
“8-K - Zenas BioPharma, Inc. (0001953926) (Filer)” scores 44 out of 100. The score uses 1 sources, a -4.75% difference versus the S&P 500 (SPY), and 1 linked companies.