HONE insider reports 27,488-share disposition at $12.00 or 0.765 swap

Rhea-AI Filing Summary

HarborOne Bancorp (HONE) disclosed an insider transaction tied to its merger with Eastern Bankshares. A director reported the disposition of 27,488 shares of common stock on 11/01/2025. Following the transaction, the reporting person held 0 shares directly.

According to the merger terms, each HarborOne share was converted into the right to receive either $12.00 in cash or 0.765 shares of Eastern Bankshares common stock, subject to proration under the merger agreement. The filing reflects the automatic conversion of HarborOne shares into the agreed merger consideration rather than an open-market sale.

Insights

Bank M&A and Insider Reporting Analyst

Director’s 27,488 shares converted per merger terms; position now zero.

The filing records a Form 4 disposition triggered by the HarborOne–Eastern Bankshares merger. Each HarborOne share became the right to receive either $12.00 in cash or 0.765% of an Eastern share, subject to proration, which is typical in bank mergers.

This is an administrative conversion rather than a discretionary trade. The filing notes a director status and shows 0 shares owned after the event, indicating the HarborOne equity position was fully converted at closing. Actual impact for the individual depends on the elected consideration and proration mechanics, which are defined by the merger agreement.

Insider Trade Summary

Net Seller: 27,488 shares

Net Sell 1 txn

Insider Berman Mandy

Role Director

Type	Security	Shares	Price	Value
Disposition	Common Stock	27,488	$0.00	$0.00

Holdings After Transaction: Common Stock — 0 shares (Direct)

Footnotes (1)

1. F1. Pursuant to a merger agreement between 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, subject to certain proration provisions contained in the Merger Agreement.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 11/03/2025 - 04:56 PM Learn about SEC filing dates

FAQ

What insider transaction did HarborOne (HONE) report?

A director reported the disposition of 27,488 HarborOne common shares on 11/01/2025.

Why were HarborOne shares disposed on 11/01/2025?

The shares converted under the merger with Eastern Bankshares into the agreed consideration per the merger agreement.

What consideration did HarborOne shareholders receive in the merger?

Each share became the right to receive $12.00 in cash or 0.765 Eastern shares, subject to proration.

How many shares does the reporting person own after the transaction?

The filing shows 0 shares directly owned following the reported transaction.

Is this an open-market sale or a merger-related conversion?

It is a merger-related conversion of shares under the merger agreement, not an open-market sale.

What was the insider’s relationship to HarborOne?

The reporting person is identified as a Director and filed individually.

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^*

Berman Mandy

(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		27,488	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

Explanation of Responses:

1. Pursuant to a merger agreement between 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, subject to certain proration provisions contained in the Merger Agreement.

	/s/ Joseph F. Casey, attorney-in-fact	11/03/2025
	** 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.