Zymeworks (ZYME) director gets 11,500 options, 7,700 RSUs

Rhea-AI Filing Summary

Zymeworks Inc. director Alessandra Cesano received new equity awards, including stock options and restricted stock units. On January 12, 2026, she was granted stock options covering 11,500 shares of common stock and 7,700 restricted stock units. The footnotes state that the options vest on January 12, 2027 and that each RSU converts into one share of common stock upon vesting, with the RSUs also vesting on January 12, 2027. These awards are reported as directly owned following the transactions.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Cesano Alessandra

(Last) (First) (Middle)

C/O ZYMEWORKS INC.

108 PATRIOT DRIVE, SUITE A

(Street)

MIDDLETOWN DE 19709

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/12/2026

4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$23.16	01/12/2026		A		11,500		01/12/2027(1)	01/11/2036	Common Stock	11,500	$0.00	11,500	D
Restricted Stock Unit	(2)	01/12/2026		A		7,700		01/12/2027(3)	01/12/2027(3)	Common Stock	7,700	$0.00	7,700	D

Explanation of Responses:

1. Stock options vest on January 12, 2027.

2. Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of common stock.

3. RSUs vest on January 12, 2027.

	/s/ Daniel Dex, Attorney-in-Fact	01/12/2026
	** 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 4 (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.

FAQ

What insider transaction did ZYME report for Alessandra Cesano?

Zymeworks Inc. reported that director Alessandra Cesano received grants of stock options and restricted stock units on January 12, 2026, as disclosed in a Form 4.

How many stock options were granted to the ZYME director?

The director was granted 11,500 stock options, each giving the right to buy one share of Zymeworks Inc. common stock.

How many restricted stock units did the ZYME director receive?

The Form 4 shows a grant of 7,700 restricted stock units to the director.

When do the Zymeworks stock options granted on January 12, 2026 vest?

According to the footnotes, the stock options vest on January 12, 2027.

When do the Zymeworks RSUs granted to the director vest?

The footnotes state that the RSUs vest on January 12, 2027.

What does each restricted stock unit (RSU) for ZYME represent?

Each RSU represents the contingent right to receive, upon vesting, one share of Zymeworks Inc. common stock.

Are the reported Zymeworks equity awards held directly or indirectly?

The Form 4 indicates that both the 11,500 stock options and 7,700 RSUs are held with direct ownership.