Form 4: EBC Executive Chair reports 50,000-share purchase

Rhea-AI Filing Summary

Eastern Bankshares (EBC) Executive Chair reported an open‑market purchase of 50,000 shares of common stock on 10/28/2025 at an average price of $17.21 (trade prices ranged from $17.01 to $17.35), coded P for purchase.

Following this transaction, the reporting person beneficially owned 403,274 shares directly (including 200,000 held in joint tenancy with spouse) and 4,005 shares indirectly via an ESOP.

Insider Trade Summary

Net Buyer: 50,000 shares ($860,500)

Net Buy 2 txns

Insider Rivers Robert Francis

Role Executive Chair

Bought 50,000 shs ($861K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	50,000	$17.21	$861K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 403,274 shares (Direct); Common Stock — 4,005 shares (Indirect, By ESOP)

Footnotes (1)

1. Represents the average purchase price. The actual purchase prices range from $17.01 to $17.35 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request. Includes 200,000 shares held in joint tenancy with spouse. Reflects the amount of shares beneficially owned, including shares received due to automatic dividend reinvestment, as of the date of this report.

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^*

Rivers Robert Francis

(Last) (First) (Middle)

125 HIGH STREET

(Street)

BOSTON MA 02110

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Eastern Bankshares, Inc. [ EBC ]

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Chair

3. Date of Earliest Transaction (Month/Day/Year)
10/28/2025

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	10/28/2025		P		50,000	A	$17.21(1)	403,274	D(2)
Common Stock								4,005	I(3)	By ESOP

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. Represents the average purchase price. The actual purchase prices range from $17.01 to $17.35 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.

2. Includes 200,000 shares held in joint tenancy with spouse.

3. Reflects the amount of shares beneficially owned, including shares received due to automatic dividend reinvestment, as of the date of this report.

	/s/ Kathleen R. Henry, by Power of Attorney	10/28/2025
	** 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.

FAQ

What did EBC's insider report on Form 4?

An open‑market purchase of 50,000 shares at a $17.21 average price on 10/28/2025.

What was the price range for the EBC share purchase?

The reported trade prices ranged from $17.01 to $17.35 per share.

How many EBC shares does the insider own after the trade?

Beneficial ownership totals 403,274 shares directly and 4,005 shares indirectly via an ESOP.

What is the insider’s role at Eastern Bankshares (EBC)?

The reporting person is Executive Chair and a Director.

Does the direct ownership include jointly held EBC shares?

Yes. It includes 200,000 shares held in joint tenancy with spouse.

What transaction code was used on the Form 4?

Code P, indicating an open‑market or private purchase.