Zymeworks (NASDAQ: ZYME) CFO reports zero beneficial share ownership

Q: What does Kristin Stafford’s Form 3 for ZYME show?

The Form 3 shows that Zymeworks’ EVP and CFO, Kristin Stafford , reports no securities beneficially owned . Both common and derivative securities are listed with zero shares, meaning there is no reportable insider ownership as of the filing date.

Q: Who is the insider named in the Zymeworks (ZYME) Form 3 filing?

The insider is Kristin Stafford , serving as EVP, Chief Financial Officer of Zymeworks Inc. The filing is her initial statement of beneficial ownership, and it reports zero directly owned common or derivative securities of the company.

Q: Does the ZYME Form 3 show any Zymeworks shares owned by Kristin Stafford?

No, the Form 3 explicitly states that no securities are beneficially owned . Total shares following the reported holdings are shown as 0.0000, indicating no reportable direct ownership of Zymeworks common stock at the time of the filing.

Q: Are there any derivative securities reported in Kristin Stafford’s ZYME Form 3?

The filing lists a derivative entry titled “No securities are beneficially owned” with an exercise price of 0.0000 and 0.0000 underlying shares. This confirms there are no derivative securities beneficially owned or reportable in the Form 3.

Q: What transaction activity is disclosed in the Zymeworks (ZYME) Form 3?

The Form 3 shows no buy or sell transactions . The transaction summary indicates zero buys, zero sells, and two holding entries with an unknown code, resulting in a net neutral position and 0.0000 total shares beneficially owned.

Q: Is the ZYME Form 3 a major event for Zymeworks investors?

This Form 3 is a routine regulatory filing showing an executive’s initial ownership status. It indicates no beneficial ownership by the CFO but does not disclose financial results, deals, or other major corporate events that would significantly change an investment thesis.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Zymeworks Inc. executive vice president and chief financial officer Kristin Stafford filed an initial Form 3 indicating she currently has no securities beneficially owned in the company. The filing lists both common and derivative securities as having zero shares, reflecting no direct reportable ownership as of the reported date.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Stafford Kristin

Role EVP, Chief Financial Officer

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

Holdings After Transaction: No securities are beneficially owned — 0 shares (Direct)

Footnotes (1)

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Key Figures

Beneficial ownership: 0.0000 shares Exercise price on derivatives: 0.0000 Holding entries: 2 entries +1 more

4 metrics

Beneficial ownership 0.0000 shares Total shares following reported holdings

Exercise price on derivatives 0.0000 Listed for derivative securities with no ownership

Holding entries 2 entries Transaction summary holding records with unknown code

Net buy/sell shares 0 shares No buys or sells reported; net direction neutral

Key Terms

beneficially owned, Form 3, derivative securities, EVP, Chief Financial Officer

4 terms

beneficially owned financial

"security_title: "No securities are beneficially owned""

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Form 3 regulatory

"INSIDER FILING DATA (Form 3)"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

derivative securities financial

"derivativeSummary entry listing "No securities are beneficially owned""

Financial contracts whose value is tied to the price or performance of another asset, such as a stock, bond, commodity, index, or currency; examples include options, futures and swaps. They matter to investors because they let you protect against price swings, bet on future moves or gain larger exposure with less upfront cash—like using a lever or insurance policy on an investment—so they can amplify gains and losses and help manage portfolio risk.

EVP, Chief Financial Officer financial

"officer_title: "EVP, Chief Financial Officer""

Understanding Insider Trading Forms →

04/07/2026 - 02:22 PM

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^*

Stafford Kristin

(Last)

(First)

(Middle)

C/O ZYMEWORKS INC.

108 PATRIOT DRIVE, SUITE A

(Street)

MIDDLETOWN

DELAWARE

19709

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
04/01/2026

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

3a. Foreign Trading Symbol

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	EVP, Chief Financial Officer

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
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/ Catherine Graham, Attorney-in-Fact	04/07/2026
	** 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.
* Form 3: SEC 1473 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What does Kristin Stafford’s Form 3 for ZYME show?

The Form 3 shows that Zymeworks’ EVP and CFO, Kristin Stafford, reports no securities beneficially owned. Both common and derivative securities are listed with zero shares, meaning there is no reportable insider ownership as of the filing date.

Who is the insider named in the Zymeworks (ZYME) Form 3 filing?

The insider is Kristin Stafford, serving as EVP, Chief Financial Officer of Zymeworks Inc. The filing is her initial statement of beneficial ownership, and it reports zero directly owned common or derivative securities of the company.

Does the ZYME Form 3 show any Zymeworks shares owned by Kristin Stafford?

No, the Form 3 explicitly states that no securities are beneficially owned. Total shares following the reported holdings are shown as 0.0000, indicating no reportable direct ownership of Zymeworks common stock at the time of the filing.

Are there any derivative securities reported in Kristin Stafford’s ZYME Form 3?

The filing lists a derivative entry titled “No securities are beneficially owned” with an exercise price of 0.0000 and 0.0000 underlying shares. This confirms there are no derivative securities beneficially owned or reportable in the Form 3.

What transaction activity is disclosed in the Zymeworks (ZYME) Form 3?

The Form 3 shows no buy or sell transactions. The transaction summary indicates zero buys, zero sells, and two holding entries with an unknown code, resulting in a net neutral position and 0.0000 total shares beneficially owned.

Is the ZYME Form 3 a major event for Zymeworks investors?

This Form 3 is a routine regulatory filing showing an executive’s initial ownership status. It indicates no beneficial ownership by the CFO but does not disclose financial results, deals, or other major corporate events that would significantly change an investment thesis.