WEBTOON CDO granted 17,848 restricted stock units

Son Hyeeun reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Son Hyeeun reported acquisition or exercise transactions in this Form 4 filing.

WEBTOON Entertainment Chief Design Officer Son Hyeeun received 17,848 restricted stock units as equity compensation. Each RSU entitles her to one share of common stock at no purchase price, bringing her direct holdings to 108,534 shares after the award.

The RSUs vest in installments of 30% on April 26, 2026, 30% on April 26, 2027, and 40% on April 26, 2028, contingent on her continued employment through each vesting date.

Insider Trade Summary

Grant/Award: 17,848 shares

Grant/Award 1 txn

Insider Son Hyeeun

Role Chief Design Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	17,848	$0.00	$0.00

Holdings After Transaction: Common Stock — 108,534 shares (Direct)

Footnotes (1)

1. F1. The reported securities represent restricted stock units ("RSUs") which each entitle the reporting person to receive one share of common stock upon vesting. The RSUs will vest in three installments of 30% on April 26, 2026, 30% on April 26, 2027 and 40% on April 26, 2028, subject to continued employment through each such date.

Key Figures

RSU grant size: 17,848 units Post-grant holdings: 108,534 shares Grant price: $0.0000 per share +1 more

4 metrics

RSU grant size 17,848 units Restricted stock units awarded to Chief Design Officer

Post-grant holdings 108,534 shares Common stock directly held after the transaction

Grant price $0.0000 per share Reported transaction price per share for the RSU award

Vesting schedule 30% / 30% / 40% Vesting on April 26, 2026; April 26, 2027; April 26, 2028

Key Terms

restricted stock units, vesting, continued employment, grant, award, or other acquisition

4 terms

restricted stock units financial

"The reported securities represent restricted stock units ("RSUs") which each entitle the reporting person to receive one share"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vesting financial

"The RSUs will vest in three installments of 30% on April 26, 2026, 30% on April 26, 2027 and 40% on April 26, 2028"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

continued employment financial

"subject to continued employment through each such date"

Continued employment means that an individual remains in their current job without interruption. For investors, it signals stability and ongoing work that can affect company performance and future prospects. Like a steady heartbeat for a business, sustained employment helps ensure consistent operations and financial health.

grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

FAQ

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

What insider transaction did WEBTOON (WBTN) report for Son Hyeeun?

WEBTOON reported that Chief Design Officer Son Hyeeun received 17,848 restricted stock units as equity compensation. Each RSU converts into one common share at no purchase price, increasing her direct holdings to 108,534 shares after the grant.

How many WEBTOON (WBTN) shares does Son Hyeeun hold after this grant?

After the equity award, Chief Design Officer Son Hyeeun directly holds 108,534 shares of WEBTOON common stock. This total includes the impact of the 17,848 restricted stock units reported in the Form 4 filing as a compensation-related acquisition.

What are the vesting terms of Son Hyeeun’s WEBTOON (WBTN) RSUs?

The 17,848 restricted stock units vest in three tranches: 30% on April 26, 2026, 30% on April 26, 2027, and 40% on April 26, 2028. Vesting is subject to her continued employment through each respective vesting date.

Did Son Hyeeun buy or sell WEBTOON (WBTN) shares in this Form 4?

This Form 4 does not show a market purchase or sale by Son Hyeeun. It reports a compensation-related acquisition coded as a grant (transaction code A), where restricted stock units were awarded at a price of $0.0000 per share.

What does the RSU grant mean for WEBTOON (WBTN) executive compensation?

The RSU grant indicates WEBTOON is using stock-based compensation for its Chief Design Officer. The award ties a portion of Son Hyeeun’s potential ownership to multi-year vesting dates, aligning part of her pay with the company’s long-term performance and retention.

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

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Accepted by SEC EDGAR 04/07/2026 - 06:57 PM EDT Learn about SEC filing dates

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
Estimated average burden
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^*

Son Hyeeun

(Last) (First) (Middle)

5700 WILSHIRE BLVD., SUITE 220

(Street)

LOS ANGELES CALIFORNIA 90036

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
WEBTOON Entertainment Inc. [ WBTN ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/26/2026

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

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

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

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
Common Stock	03/26/2026		A		17,848(1)	A	$0	108,534	D

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

Explanation of Responses:

1. The reported securities represent restricted stock units ("RSUs") which each entitle the reporting person to receive one share of common stock upon vesting. The RSUs will vest in three installments of 30% on April 26, 2026, 30% on April 26, 2027 and 40% on April 26, 2028, subject to continued employment through each such date.

Remarks:

	/s/ Maximilian Jo, as Attorney-in-Fact for Hyeeun Son	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 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.
* Form 4: SEC 1474 (03-26)