[Form 4] HarborOne Bancorp, Inc. Insider Trading Activity

Rhea-AI Filing Summary

HarborOne Bancorp (HONE) reported an insider transaction tied to its merger with Eastern Bankshares. A director filed Form 4 showing 63,747 shares of common stock disposed on 11/01/2025. Following the transaction, 0 shares were beneficially owned.

Per the merger terms, each HarborOne share was converted into the right to receive either $12.00 in cash or 0.765 shares of Eastern common stock, subject to proration. Outstanding HarborOne stock options with a $10.23 exercise price covering 83,263 shares were converted into options for Eastern common stock as adjusted by the exchange ratio.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Lynch Timothy R.

Role Director

Type	Security	Shares	Price	Value
Other	Stock Option (Right to Buy)	83,263	$0.00	--
Disposition	Common Stock	63,747	$0.00	--

Holdings After Transaction: Stock Option (Right to Buy) — 0 shares (Direct); Common Stock — 0 shares (Direct)

Footnotes (1)

1. Pursuant to the merger agreement, dated as of April 24, 2025, by and among Eastern Bankshares, Inc. ("Eastern"), Eastern Bank, HarborOne Bancorp, Inc. ("HarborOne"), and HarborOne Bank (the "Merger Agreement"), each share of HarborOne common stock was converted into the right to receive, at the election of the holder, either (i) $12.00 in cash or (ii) 0.765 shares of Eastern common stock (the "Exchange Ratio"), subject to certain proration provisions contained in the Merger Agreement. Pursuant to the Merger Agreement, each outstanding and unexercised option to purchase shares of HarborOne common stock was converted into an option to purchase shares of Eastern common stock. As further described in the Merger Agreement, the number of underlying shares of resulting Eastern common stock subject to such options and the related exercise price were adjusted by the Exchange Ratio.

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^*

Lynch Timothy R.

(Last) (First) (Middle)

C/O HARBORONE BANCORP, INC.

(Street)

BROCKTON MA 02301

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
HarborOne Bancorp, Inc. [ HONE ]

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)
11/01/2025

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	11/01/2025		D		63,747	D	(1)	0	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
Stock Option (Right to Buy)	$10.23	11/01/2025		J(2)			83,263	(2)	08/15/2027	Common Stock	83,263	$0	0	D

Explanation of Responses:

1. Pursuant to the merger agreement, dated as of April 24, 2025, by and among Eastern Bankshares, Inc. ("Eastern"), Eastern Bank, HarborOne Bancorp, Inc. ("HarborOne"), and HarborOne Bank (the "Merger Agreement"), each share of HarborOne common stock was converted into the right to receive, at the election of the holder, either (i) $12.00 in cash or (ii) 0.765 shares of Eastern common stock (the "Exchange Ratio"), subject to certain proration provisions contained in the Merger Agreement.

2. Pursuant to the Merger Agreement, each outstanding and unexercised option to purchase shares of HarborOne common stock was converted into an option to purchase shares of Eastern common stock. As further described in the Merger Agreement, the number of underlying shares of resulting Eastern common stock subject to such options and the related exercise price were adjusted by the Exchange Ratio.

	/s/ Joseph F. Casey, attorney-in-fact	11/03/2025
	** Signature of Reporting Person	Date
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