8-K - Zymeworks Inc. (0001937653) (Filer)
Published . Updated .
8-K - Zymeworks filed an 8-K with the SEC on Oct 23 (a notice of a material company event).
Directly affected
- ZYME Zymeworks
Named in this report.
Indirectly affected
- SPY SPDR S&P 500+1.6%
The broad U.S. stock market
- TLT iShares 20+ Year Treasury Bond-1.8%
Long-term U.S. government bonds
- QQQ Invesco QQQ+2.3%
Large technology stocks
- GLD SPDR Gold Shares-3.3%
Gold can move with the broad market
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| ZYME | -12.04% | -5.48% | base | after close | after close | after close | after close |
| SPY | -0.09% | +0.66% | base | after close | after close | after close | after close |
| TLT | -2.07% | -1.97% | base | after close | after close | after close | after close |
| QQQ | +0.75% | +1.80% | base | after close | after close | after close | after close |
| GLD | +3.51% | +2.33% | base | after close | after close | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Market Call
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Filed: 2026-10-23 AccNo: 0001937653-26-000055 Size: 208 KB Item 1.01: Entry into a Material Definitive Agreement Item 7.01: Regulation FD Disclosure Item 9.01: Financial Statements and Exhibits
Source: sec-edgar
How far Zymeworks (ZYME) has moved since 23 Oct 2026
| Company | When | Move | Status |
|---|---|---|---|
| GLD | three days earlier | +2.33% | final price |
| GLD | five days earlier | +3.51% | final price |
| QQQ | three days earlier | +1.80% | final price |
| QQQ | five days earlier | +0.75% | final price |
| SPY | three days earlier | +0.66% | final price |
| SPY | five days earlier | -0.09% | final price |
| TLT | three days earlier | -1.97% | final price |
| TLT | five days earlier | -2.07% | final price |
| Zymeworks (ZYME) | three days earlier | -5.48% | final price |
| Zymeworks (ZYME) | five days earlier | -12.04% | final price |
Who gains and who loses around Zymeworks (ZYME)
Companies tied to this story
- ZYME Zymeworks
Zymeworks (ZYME) is linked, with no stored direction, high confidence in the 23 Oct 2026 story “8-K - Zymeworks Inc. (0001937653) (Filer).” Reason on file: SEC 8-K filing -> direct issuer disclosure -> ZYME
How “8-K - Zymeworks Inc. (0001937653) (Filer)” reaches Zymeworks (ZYME)
“8-K - Zymeworks Inc. (0001937653) (Filer)” (23 Oct 2026) reaches Zymeworks (ZYME) through this story.
Zymeworks (ZYME) is on the page because SEC 8-K filing -> direct issuer disclosure -> ZYME
Price levels for Zymeworks (ZYME)
ZYME traded between 25.84 and 27.14 across 2 sessions. The latest close on file is 26.07.
How solid “8-K - Zymeworks Inc. (0001937653) (Filer)” looks
14 out of 100
“8-K - Zymeworks Inc. (0001937653) (Filer)” scores 14 out of 100. The score uses 1 sources, and 1 linked companies.