East West Bancorp (EWBC) risk chief nets stock from vested performance units

Rhea-AI Filing Summary

East West Bancorp Chief Risk Officer Irene H. Oh reported equity compensation activity involving company common stock. On March 1, 2026, she acquired 20,081 shares of common stock at $0.00 per share through a grant/award acquisition, tied to performance-based restricted stock units granted on March 1, 2023. Footnotes state that as of March 1, 2026, 179.1% of those 2023 units were earned and vested, with one share delivered for each vested unit.

On the same date, 8,603 shares were disposed of at $109.45 per share as a tax-withholding disposition to cover tax liabilities from the vesting of these performance-based units, based on the February 27, 2026 closing price because March 1 fell on a Sunday. After these transactions, she directly owned 97,209 common shares, and indirectly held 2,492 shares through a 401(k) plan.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Oh Irene H

Role Chief Risk Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	20,081	$0.00	--
Tax Withholding	Common Stock	8,603	$109.45	$942K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 105,812 shares (Direct); Common Stock — 2,492 shares (Indirect, 401 (k) Plan)

Footnotes (1)

1. Performance-Based Restricted Stock Units granted on March 1, 2023 fully vest in three years. Number of vested units depends on meeting pre-established performance criteria. As of March 1, 2026, 179.1% of the units granted on March 1, 2023 were earned and vested. On the settlement date, for each vested Performance-Based Restricted Stock Unit, the reporting person received one share of Common Stock. Shares withheld for payment of tax liability in connection with the vesting of Performance-Based Restricted Stock Units. Since March 1, 2026 was a Sunday, the number of shares withheld was based on the closing price of the issuer's common stock on February 27, 2026.

Form 4 Insider Transactions: What Each Field Means →

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^*

Oh Irene H

(Last) (First) (Middle)

EAST WEST BANCORP, INC.

135 N. LOS ROBLES AVE. 7TH FLOOR

(Street)

PASADENA CA 91101

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
EAST WEST BANCORP INC [ EWBC ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

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
Common Stock	03/01/2026		A		20,081	A	$0(1)	105,812	D
Common Stock	03/01/2026		F		8,603(2)	D	$109.45	97,209	D
Common Stock								2,492	I	401 (k) Plan

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. Performance-Based Restricted Stock Units granted on March 1, 2023 fully vest in three years. Number of vested units depends on meeting pre-established performance criteria. As of March 1, 2026, 179.1% of the units granted on March 1, 2023 were earned and vested. On the settlement date, for each vested Performance-Based Restricted Stock Unit, the reporting person received one share of Common Stock.

2. Shares withheld for payment of tax liability in connection with the vesting of Performance-Based Restricted Stock Units. Since March 1, 2026 was a Sunday, the number of shares withheld was based on the closing price of the issuer's common stock on February 27, 2026.

Remarks:

	/s/ Louisa Wang, as Attorney-in-fact	03/03/2026
	** 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 transactions did EWBC Chief Risk Officer Irene Oh report?

Irene H. Oh reported a grant of 20,081 shares of East West Bancorp common stock and a related tax-withholding disposition of 8,603 shares, all dated March 1, 2026, following performance-based restricted stock units vesting from a 2023 award.

How many EWBC shares did Irene Oh acquire in the latest Form 4 filing?

She acquired 20,081 shares of East West Bancorp common stock at $0.00 per share. These shares were delivered upon vesting of performance-based restricted stock units granted on March 1, 2023, where 179.1% of the original units were ultimately earned.

Why did Irene Oh dispose of 8,603 EWBC shares in this Form 4?

The 8,603 East West Bancorp shares were withheld as a tax-withholding disposition to pay tax liabilities arising from the vesting of performance-based restricted stock units. The withholding share count used the issuer’s February 27, 2026 closing price, since March 1, 2026 was a Sunday.

What is Irene Oh’s EWBC share ownership after these transactions?

Following the reported transactions, Irene H. Oh directly owned 97,209 East West Bancorp common shares. She also indirectly held 2,492 additional shares through a 401(k) plan, reflecting both her award settlement and tax-withholding disposition on March 1, 2026.

What performance-based RSUs are referenced in Irene Oh’s EWBC Form 4?

The Form 4 references performance-based restricted stock units granted on March 1, 2023. As of March 1, 2026, 179.1% of these units were earned and vested, with each vested unit settling into one share of East West Bancorp common stock for the reporting person.

How was the tax withholding price determined for Irene Oh’s EWBC share disposition?

The tax withholding disposition of 8,603 shares used a price of $109.45 per share. Footnotes explain this was based on the issuer’s February 27, 2026 closing price, because the vesting date, March 1, 2026, fell on a Sunday when markets were closed.