Eastern Bankshares (NASDAQ: EBC) director plans sale after $236K trade

Rhea-AI Filing Summary

Eastern Bankshares, Inc. (EBC) has a notice under Rule 144 for a planned sale of restricted or control common stock held for the account of director Joseph Casey. The filing covers 10,000 shares of common stock, with an indicated aggregate market value of $228,800.00, to be sold on NASDAQ through Fidelity Brokerage Services LLC. The notice also reports that Joseph Casey sold 10,000 shares of Eastern Bankshares common stock in the last three months for $236,200.00.

Key Figures

Shares to be sold: 10,000 shares Aggregate market value (planned sale): $228,800.00 Past 3 months shares sold: 10,000 shares +2 more

5 metrics

Shares to be sold 10,000 shares Common stock covered by the Rule 144 notice for Joseph Casey

Aggregate market value (planned sale) $228,800.00 Value of 10,000 Eastern Bankshares common shares in the Rule 144 notice

Past 3 months shares sold 10,000 shares Common stock sold by Joseph Casey during the past three months

Proceeds from past 3 months sale $236,200.00 Value of Eastern Bankshares common shares sold on 08/19/2026

CUSIP for common stock 228511552 CUSIP associated with Eastern Bankshares, Inc. common stock

Key Terms

Rule 144, Form 144, Open Market Purchase, aggregate market value, +1 more

5 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.

Form 144 regulatory

"144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Open Market Purchase financial

"Common | 02/13/2026 | 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.

aggregate market value financial

"Common | Fidelity Brokerage Services LLC ... | 10000 | 228800.00"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

attorney-in-fact regulatory

"as attorney-in-fact for Joseph 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 the Form 144 filing mean for Eastern Bankshares, Inc. (EBC)?

The Form 144 reports that a director, Joseph Casey, has filed a notice to sell 10,000 shares of Eastern Bankshares common stock under Rule 144, indicating an intention to resell restricted or control securities through the market.

How many Eastern Bankshares (EBC) shares are covered by this Form 144?

The notice covers 10,000 shares of Eastern Bankshares common stock. The filing lists an aggregate market value of $228,800.00 for these shares, based on the market price used when preparing the notice.

Who is selling Eastern Bankshares (EBC) shares under this Form 144?

The securities are held for the account of Joseph Casey, identified as a director of Eastern Bankshares, Inc. Fidelity Brokerage Services LLC is listed in connection with the common stock position and acts as the broker on the transaction.

What prior sales by Joseph Casey in Eastern Bankshares (EBC) are disclosed?

The filing discloses that 10,000 shares of Eastern Bankshares common stock were sold for $236,200.00 within the past three months, on a trade date of 08/19/2026, as part of the required Rule 144 aggregation information.

On which market will the Eastern Bankshares (EBC) Rule 144 shares be sold?

The notice states that the 10,000 shares of Eastern Bankshares common stock are expected to be sold on NASDAQ. The Form 144 identifies the security as common stock of Eastern Bankshares, Inc., listed for trading on that market.

What is the indicated value of the Eastern Bankshares (EBC) shares in this Form 144?

For the planned Rule 144 sale, the filing lists an aggregate market value of $228,800.00 for the 10,000 shares of Eastern Bankshares common stock, reflecting the market price reference used at the time of the notice.

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

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Available on EDGAR 08/20/2026 - 10:14 AM Accepted by SEC EDGAR 08/20/2026 - 10:13 AM 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	10000	228800.00	228511552	08/20/2026	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	02/13/2026	Open Market Purchase	Issuer			10000	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 Casey 125 High Street Boston MA 02110	Common	08/19/2026	10000	236200.00

144: Remarks and Signature

Remarks
Date of Notice	08/20/2026
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/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Joseph Casey
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)