8-K - ATOSSA THERAPEUTICS, INC. (0001488039) (Filer)
Published . Updated .
Filed: 2026-10-09 AccNo: 0001193125-26-418560 Size: 566 KB Item 1.01: Entry into a Material Definitive Agreement Item 3.03: Material Modifications to Rights of Security Holders Item 8.01: Other Events Item 9.01: Financial Statements and Exhibits
Directly affected
- ATOS Atossa Therapeutics
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: 2026-10-09 AccNo: 0001193125-26-418560 Size: 566 KB Item 1.01: Entry into a Material Definitive Agreement Item 3.03: Material Modifications to Rights of Security Holders Item 8.01: Other Events Item 9.01: Financial Statements and Ex…
Source: sec-edgar
The price since 9 Oct 2026: Atossa Therapeutics (ATOS) versus the S&P 500
Since the first closing price after “8-K - ATOSSA THERAPEUTICS, INC. (0001488039) (Filer),” Atossa Therapeutics (ATOS) is +8.60%. The S&P 500 fund (SPY) is -1.47% over the same days, a +10.06% difference versus the market.
| Company | When | Move | Status |
|---|---|---|---|
| Atossa Therapeutics (ATOS) | that day | +0.83% | final price |
| Atossa Therapeutics (ATOS) | the next day | -1.24% | final price |
| Atossa Therapeutics (ATOS) | two days later | +5.79% | final price |
| Atossa Therapeutics (ATOS) | three days later | +14.88% | final price |
| Atossa Therapeutics (ATOS) | three days earlier | +1.24% | final price |
| Atossa Therapeutics (ATOS) | five days earlier | -3.31% | 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 - ATOSSA THERAPEUTICS, INC. (0001488039) (Filer)”
Companies carried with this story
- ATOS Atossa Therapeutics
In “8-K - ATOSSA THERAPEUTICS, INC. (0001488039) (Filer),” Atossa Therapeutics (ATOS) is linked, with no stored direction, high confidence. Reason on file: SEC 8-K filing -> direct issuer disclosure -> ATOS
How “8-K - ATOSSA THERAPEUTICS, INC. (0001488039) (Filer)” reaches Atossa Therapeutics (ATOS)
Atossa Therapeutics (ATOS) is the company in “8-K - ATOSSA THERAPEUTICS, INC. (0001488039) (Filer),” the 9 Oct 2026 this story story.
Atossa Therapeutics (ATOS) is on the page because SEC 8-K filing -> direct issuer disclosure -> ATOS
Dates in the story, and the Atossa Therapeutics (ATOS) price range
ATOS traded between 2.18 and 3.07 across 20 sessions. The latest close on file is 2.59.
A simple score for Atossa Therapeutics (ATOS)
25 out of 100
“8-K - ATOSSA THERAPEUTICS, INC. (0001488039) (Filer)” scores 25 out of 100. The score uses 1 sources, a -1.78% difference versus the S&P 500 (SPY), and 1 linked companies.