East West Bancorp COO reports RSU vesting, tax shares

East West Bancorp Chief Operating Officer Parker Shi reported equity compensation activity involving company common stock.

Rhea-AI Filing Summary

East West Bancorp Chief Operating Officer Parker Shi reported equity compensation activity involving company common stock. On March 1, 2026, Shi acquired 16,538 shares at no cost through the vesting of performance-based restricted stock units granted in 2023, which fully vest after three years if pre-established performance criteria are met.

As of March 1, 2026, 179.1% of the 2023 performance-based units were earned and vested, with one share of common stock delivered for each vested unit. In a related tax-withholding disposition, 6,857 shares were withheld at a price of $109.45 per share to cover tax liabilities tied to the vesting, leaving Shi with 24,648 directly owned shares after these transactions.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Shi Parker

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	16,538	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	6,857	$109.45	$750K

Holdings After Transaction: Common Stock — 24,648 shares (Direct)

Footnotes (2)

1. F1. 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. F2. 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.

FAQ

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

What insider transactions did East West Bancorp (EWBC) report for Parker Shi on March 1, 2026?

East West Bancorp reported that COO Parker Shi received 16,538 shares of common stock from vested performance-based restricted stock units, while 6,857 shares were withheld to cover tax liabilities. After these transactions, Shi directly owned 24,648 shares of East West Bancorp common stock.

How were Parker Shi’s performance-based restricted stock units at East West Bancorp (EWBC) structured?

Shi’s performance-based restricted stock units were granted on March 1, 2023 and fully vest in three years, depending on meeting pre-established performance criteria. As of March 1, 2026, 179.1% of the units were earned and vested, with each vested unit settling into one share of common stock.

Why were 6,857 East West Bancorp (EWBC) shares disposed of in Parker Shi’s Form 4 filing?

The 6,857 shares were withheld to satisfy tax liabilities arising from the vesting of performance-based restricted stock units. The withholding was priced at $109.45 per share, based on the common stock’s February 27, 2026 closing price, because March 1, 2026 fell on a Sunday.

How many East West Bancorp (EWBC) shares does Parker Shi own after the reported Form 4 transactions?

Following the grant-related acquisition and tax-withholding disposition on March 1, 2026, Parker Shi directly owns 24,648 shares of East West Bancorp common stock. This reflects the net position after receiving 16,538 vested shares and having 6,857 shares withheld for tax obligations.

What performance outcome was achieved for Parker Shi’s 2023 performance-based RSUs at East West Bancorp (EWBC)?

For the performance-based restricted stock units granted March 1, 2023, East West Bancorp determined that 179.1% of the units were earned and vested as of March 1, 2026. Each vested unit converted into one share of common stock delivered to Parker Shi upon settlement.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 03/03/2026 - 06:03 PM 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^*

Shi Parker

(Last) (First) (Middle)

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 Operating 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		16,538	A	$0(1)	31,505	D
Common Stock	03/01/2026		F		6,857(2)	D	$109.45	24,648	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. 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.
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