Eastern Bankshares (EBC) director sells 1,709 shares under 10b5-1 plan

Rhea-AI Filing Summary

Eastern Bankshares, Inc. director Luis Borgen reported an open-market sale of 1,709 shares of Common Stock at $21.97 per share on June 29, 2026, under a pre-arranged Rule 10b5-1 trading plan. Following the sale, he directly holds 22,185 shares, including time-vesting restricted stock awards.

Insider Trade Summary 10b5-1

Net Seller: 1,709 shares ($37,547)

Net Sell 1 txn

Insider Borgen Luis

Role null

Sold 1,709 shs ($38K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,709	$21.97	$38K

Holdings After Transaction: Common Stock — 22,185 shares (Direct, null)

Footnotes (1)

1. Sale of shares executed on June 29, 2026 pursuant to Reporting Person's 10b5-1 plan. Consists of (i) 5,882 shares of common stock; (ii) 12,420 remaining shares of restricted stock that vest ratably over a five-year period on the anniversary of the November 30, 2021 date of grant; and (iii) 3,883 shares of restricted stock that vest on the anniversary of the May 18, 2026 date of grant.

Key Figures

Shares sold: 1,709 shares Sale price per share: $21.97 per share Shares owned after sale: 22,185 shares +3 more

6 metrics

Shares sold 1,709 shares Open-market sale on June 29, 2026

Sale price per share $21.97 per share Open-market sale of Eastern Bankshares Common Stock

Shares owned after sale 22,185 shares Direct holdings following the June 29, 2026 transaction

Common shares held 5,882 shares Portion of post-transaction direct holdings

Restricted shares vesting from 2021 grant 12,420 shares Vest ratably over five years from November 30, 2021

Restricted shares vesting from 2026 grant 3,883 shares Vest on the anniversary of the May 18, 2026 grant date

Key Terms

Rule 10b5-1 plan, Common Stock, restricted stock, open-market sale, +1 more

5 terms

Rule 10b5-1 plan regulatory

"Sale of shares executed on June 29, 2026 pursuant to Reporting Person's 10b5-1 plan."

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

Common Stock financial

"security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

restricted stock financial

"remaining shares of restricted stock that vest ratably over a five-year period"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/30/2026 - 04:15 PM Accepted by SEC EDGAR 06/30/2026 - 04:15 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).

X

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^*

Borgen Luis

(Last) (First) (Middle)

125 HIGH STREET

(Street)

BOSTON MASSACHUSETTS 02110

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/29/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/29/2026		S		1,709(1)	D	$21.97	22,185(2)	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. Sale of shares executed on June 29, 2026 pursuant to Reporting Person's 10b5-1 plan.

2. Consists of (i) 5,882 shares of common stock; (ii) 12,420 remaining shares of restricted stock that vest ratably over a five-year period on the anniversary of the November 30, 2021 date of grant; and (iii) 3,883 shares of restricted stock that vest on the anniversary of the May 18, 2026 date of grant.

	/s/ Laura Vaughn Burek, by Power of Attorney	06/30/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Eastern Bankshares (EBC) report for Luis Borgen?

Eastern Bankshares director Luis Borgen reported selling 1,709 shares of Common Stock in an open-market transaction at $21.97 per share. The sale occurred on June 29, 2026, and was executed under a pre-arranged Rule 10b5-1 trading plan.

How many Eastern Bankshares (EBC) shares does Luis Borgen hold after this Form 4?

After the reported sale, Luis Borgen holds 22,185 Eastern Bankshares shares directly. This consists of 5,882 common shares and 16,303 restricted shares that vest over time according to their original grant schedules from November 30, 2021 and May 18, 2026.

Was the Eastern Bankshares (EBC) insider sale made under a Rule 10b5-1 plan?

Yes. The Form 4 footnote states the June 29, 2026 sale was executed under Luis Borgen’s Rule 10b5-1 trading plan. Such plans are pre-arranged instructions for trading, designed to allow routine transactions while reducing concerns about trading on nonpublic information.

What price did Luis Borgen receive for his Eastern Bankshares (EBC) share sale?

Luis Borgen sold 1,709 Eastern Bankshares common shares at $21.97 per share. This was an open-market transaction, as indicated by the Form 4 code “S” and the description noting a sale in the open market or a private transaction.

How are Luis Borgen’s remaining Eastern Bankshares (EBC) restricted shares structured?

His remaining 22,185 shares include 12,420 restricted shares vesting ratably over five years from November 30, 2021, and 3,883 restricted shares vesting on the anniversary of the May 18, 2026 grant date, along with 5,882 fully owned common shares.