Eastern Bankshares (NASDAQ: EBC) director plans new stock sale

Rhea-AI Filing Summary

Eastern Bankshares, Inc. (EBC) director Joseph F. Casey has filed a notice under Rule 144 to sell up to 1,778 shares$40,342.82228,511,552 shares outstanding08/25/2026

In the prior three months, Joseph F. Casey sold 10,000 shares08/19/202608/20/202608/21/202608/24/2026$236,200.00$228,800.00$229,600.00$227,200.00

Key Figures

Shares to be sold: 1,778 shares Aggregate market value of planned sale: $40,342.82 Shares outstanding: 228,511,552 shares +5 more

8 metrics

Shares to be sold 1,778 shares Planned sale of Eastern Bankshares common stock under Rule 144

Aggregate market value of planned sale $40,342.82 Value of 1,778 shares covered by the Form 144 notice

Shares outstanding 228,511,552 shares Eastern Bankshares common shares outstanding referenced in the notice

Planned sale date 08/25/2026 Expected date for sales under this Rule 144 notice

Sale on 08/19/2026 10,000 shares for $236,200.00 Common stock sold by Joseph F. Casey in the past 3 months

Sale on 08/20/2026 10,000 shares for $228,800.00 Common stock sold by Joseph F. Casey in the past 3 months

Sale on 08/21/2026 10,000 shares for $229,600.00 Common stock sold by Joseph F. Casey in the past 3 months

Sale on 08/24/2026 10,000 shares for $227,200.00 Common stock sold by Joseph F. Casey in the past 3 months

Key Terms

Rule 144, Open Market Purchase, attorney-in-fact

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Open Market Purchase financial

"Common | 05/16/2023 | Open Market Purchase | Issuer"

An open market purchase is when a company buys its own shares on public stock exchanges the same way any investor would, rather than through a private deal. Investors care because these purchases reduce the number of shares available, can boost earnings per share and share price, signal that management thinks the stock is undervalued, and use company cash that might otherwise go to reinvestment or dividends — like a business quietly buying back its own tickets at the box office.

attorney-in-fact regulatory

"as attorney-in-fact for Joseph F. Casey"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

What does Eastern Bankshares, Inc. (EBC) disclose in this Form 144 filing?

The filing states that director Joseph F. CaseyRule 1441,778 shares$40,342.8208/25/2026.

How many Eastern Bankshares (EBC) shares does Joseph F. Casey plan to sell under this notice?

The notice covers a planned sale of up to 1,778 shares$40,342.82

How many Eastern Bankshares (EBC) shares were outstanding according to the filing?

The filing reports that Eastern Bankshares, Inc. had 228,511,552 shares outstanding

What Eastern Bankshares (EBC) stock sales has Joseph F. Casey made in the past 3 months?

Over the past three months, Joseph F. Casey sold 10,000 shares08/19/202608/20/202608/21/202608/24/2026$236,200.00$228,800.00$229,600.00$227,200.00, respectively.

Through which broker will the Eastern Bankshares (EBC) shares be sold under this Form 144?

The filing lists Fidelity Brokerage Services LLC1,778 shares

Who signed the Form 144 related to Eastern Bankshares, Inc. (EBC)?

The notice is signed by /s/ Wade MossFidelity Brokerage Services LLCJoseph F. Casey.

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

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Available on EDGAR 08/25/2026 - 12:46 PM Accepted by SEC EDGAR 08/25/2026 - 12:45 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001221397
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Eastern Bankshares, Inc.
SEC File Number	001-39610
Address of Issuer	125 HIGH STREET, STE 901 OLIVER STREET TOWER BOSTON MASSACHUSETTS 02110
Phone	617-897-1100
Name of Person for Whose Account the Securities are To Be Sold	CASEY JOSEPH F
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	1778	40342.82	228511552	08/25/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/16/2023	Open Market Purchase	Issuer			891	05/16/2023	Cash
Common	02/13/2026	Open Market Purchase	Issuer			887	02/13/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Joseph F. Casey 125 High Street Boston MA 02110	Common	08/19/2026	10000	236200.00
Joseph F. Casey 125 High Street Boston MA 02110	Common	08/20/2026	10000	228800.00
Joseph F. Casey 125 High Street Boston MA 02110	Common	08/21/2026	10000	229600.00
Joseph F. Casey 125 High Street Boston MA 02110	Common	08/24/2026	10000	227200.00

144: Remarks and Signature

Remarks
Date of Notice	08/25/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/19/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Joseph F. Casey
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)