Zymeworks director files Form 3 with zero holdings

Zymeworks Inc. director Brian N. Cherry filed an initial ownership report stating that he does not beneficially own any of the company’s securities.

Accepted by SEC EDGAR 01/13/2026 - 04:15 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Zymeworks Inc. director Brian N. Cherry filed an initial ownership report stating that he does not beneficially own any of the company’s securities. As of January 12, 2026, the filing shows zero non-derivative shares of Zymeworks Inc. held and no derivative securities, such as options or warrants, beneficially owned. The filing is made as a Form 3, which discloses a director’s starting ownership position when they become subject to insider reporting rules.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Cherry Brian N

Role Director

Type	Security	Shares	Price	Value
Holding	No securities are beneficially owned	--	--	--
Holding	No securities are beneficially owned	--	--	--

Holdings: No securities are beneficially owned — 0 contracts (Direct); No securities are beneficially owned — 0 shares (Direct)

Footnotes (1)

1. F1. Not applicable.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does this Form 3 filing for ZYME show about Brian N. Cherry’s holdings?

The Form 3 states that director Brian N. Cherry beneficially owns no securities of Zymeworks Inc., with zero non-derivative and zero derivative securities reported.

What is Brian N. Cherry’s relationship to Zymeworks Inc. (ZYME)?

Brian N. Cherry is identified as a director of Zymeworks Inc. and is not listed as an officer or 10% owner.

As of what date does the ZYME Form 3 ownership information apply?

The Form 3 lists the Date of Event Requiring Statement as January 12, 2026, which anchors the reported ownership of zero securities.

Does Brian N. Cherry hold any derivative securities of Zymeworks Inc.?

No. In Table II, the Form 3 specifies that no derivative securities are beneficially owned, with the amount or number of underlying shares shown as 0.

Is Brian N. Cherry’s ZYME ownership reported as direct or indirect?

The tables show ownership form as Direct (D), but indicate 0 securities beneficially owned, so no direct or indirect holdings are reported.

Why is a Form 3 filed when no Zymeworks Inc. shares are owned?

Form 3 is an initial statement of beneficial ownership. It must be filed when someone becomes a director, officer, or large shareholder, even if they initially own no securities.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Cherry Brian N

(Last) (First) (Middle)

C/O ZYMEWORKS INC.

108 PATRIOT DRIVE, SUITE A

(Street)

MIDDLETOWN DE 19709

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/12/2026

3. Issuer Name and Ticker or Trading Symbol
Zymeworks Inc. [ ZYME ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
No securities are beneficially owned	0	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
No securities are beneficially owned	(1)	(1)	Not applicable	0	(1)	D

Explanation of Responses:

1. Not applicable.

Remarks:

Exhibit List - Exhibit 24 - Power of Attorney

	/s/ Daniel Dex, Attorney-in-Fact	01/13/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.