Zymeworks 8-K: Q3 and nine‑month 2025 results furnished (Ex. 99.1)

Rhea-AI Filing Summary

Zymeworks Inc. (ZYME) furnished a press release announcing financial results for the three and nine months ended September 30, 2025. The release is attached as Exhibit 99.1 to a Form 8-K.

The information under Items 2.02 and 7.01 and Exhibit 99.1 is furnished and is not deemed “filed” for Section 18 of the Exchange Act or incorporated by reference, except as specifically stated. Zymeworks also notes it shares material updates via SEC filings, its websites, and official social media channels.

8-K Event Classification

3 items: 2.02, 7.01, 9.01

3 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 6, 2025

Zymeworks Inc.

(Exact name of registrant as specified in its charter)

 

Delaware

001-41535

88-3099146

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

108 Patriot Drive, Suite A, Middletown, Delaware

19709

(Address of principal executive offices)

(Zip Code)

(302) 274-8744

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, $0.00001 par value per share

ZYME

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On November 6, 2025, Zymeworks Inc. (the “Company”) issued a press release announcing its financial results for the three and nine months ended September 30, 2025. A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K (this “Form 8-K”).

ITEM 7.01 REGULATION FD DISCLOSURES

The Company announces material information to the public through a variety of means, including filings with the Securities and Exchange Commission, press releases, public conference calls, the Company’s website (www.zymeworks.com), its investor relations website (ir.zymeworks.com), its news site (ir.zymeworks.com/press-releases), its publications site (zymeworks.com/publications) and its events and presentations site (ir.zymeworks.com/events-and-presentations). The Company uses these channels, as well as social media, including its X account (@ZymeworksInc) and LinkedIn account (www.linkedin.com/company/zymeworks), to communicate with investors and the public about the Company, its product candidates, and other matters. Therefore, the Company encourages investors, the media, and others interested in the Company to review the information it makes public in these locations, as such information could be deemed to be material information.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS

(d) Exhibits

Exhibit No.						Description
99.1						Press Release dated November 6, 2025.
104						Cover Page Interactive Data File (embedded as Inline XBRL document)

The information furnished under Items 2.02 and 7.01 of this Current Report on Form 8-K and Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

ZYMEWORKS INC.

(Registrant)

 

Date: November 6, 2025

By:

/s/ Leone Patterson

Name:

Leone Patterson

Title:

Executive Vice President, Chief Business Officer and Chief Financial Officer

FAQ

What did Zymeworks (ZYME) announce in this 8-K?

Zymeworks furnished a press release with financial results for the three and nine months ended September 30, 2025, attached as Exhibit 99.1.

Which 8-K items does the ZYME filing cover?

The filing covers Item 2.02 (Results of Operations and Financial Condition) and Item 7.01 (Regulation FD Disclosure).

Are the disclosed results considered 'filed' with the SEC?

No. The information under Items 2.02 and 7.01 and Exhibit 99.1 is furnished and not deemed “filed” for Section 18 purposes.

Where can I find the detailed ZYME results?

The details are in the press release attached as Exhibit 99.1 to the Form 8-K.

What reporting period does the press release cover?

It covers the three and nine months ended September 30, 2025.

How does Zymeworks share material information with investors?

Through SEC filings, press releases, conference calls, its websites (zymeworks.com, ir.zymeworks.com), and official X and LinkedIn accounts.

What is Zymeworks’ trading symbol and exchange?

Zymeworks’ common stock trades on Nasdaq under the symbol ZYME.