Director Boodakian adds 2,500 Winchester Bancorp (WSBK) shares via IRA

Rhea-AI Filing Summary

Winchester Bancorp director Stephen Harry Boodakian reported an indirect open-market purchase of common stock. On May 1, 2026, he bought 2,500 shares of Winchester Bancorp, Inc. common stock at an average price of $12.9299 per share through an IRA.

After this transaction, he indirectly holds 2,500 shares via the IRA and 7,500 shares of common stock held indirectly by a trust, according to the filing. These entries reflect his reported beneficial ownership across different indirect accounts.

Insider Trade Summary

Net Buyer: 2,500 shares ($32,325)

Net Buy 2 txns

Insider Boodakian Stephen Harry

Role null

Bought 2,500 shs ($32K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	2,500	$12.9299	$32K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 2,500 shares (Indirect, By IRA)

Footnotes (1)

Key Figures

Shares purchased: 2,500 shares Purchase price: $12.9299 per share IRA holdings after transaction: 2,500 shares +2 more

5 metrics

Shares purchased 2,500 shares Open-market purchase on May 1, 2026

Purchase price $12.9299 per share Average price for 2,500 shares bought via IRA

IRA holdings after transaction 2,500 shares Indirect ownership by IRA following purchase

Trust holdings 7,500 shares Indirect ownership by trust as of May 1, 2026

Net insider share change 2,500 shares Net buy shares in transaction summary

Key Terms

open-market purchase, indirect ownership, IRA, By Trust

4 terms

open-market purchase financial

"transaction_action: "open-market purchase" for 2,500 shares via IRA"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

indirect ownership financial

"ownership_type: "indirect" and ownership_code: "I" for both entries"

IRA financial

"nature_of_ownership: "By IRA" for the 2,500-share purchase"

An individual retirement account (IRA) is a savings account designed to help people put aside money for their retirement, often with tax advantages that encourage long-term savings. It matters to investors because it can grow over time, providing financial security later in life, and offers benefits that can reduce current taxes or allow investments to compound more effectively.

By Trust financial

"nature_of_ownership: "By Trust" for the 7,500-share holding"

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^*

Boodakian Stephen Harry

(Last) (First) (Middle)

661 MAIN STREET

(Street)

WINCHESTER MASSACHUSETTS 01890

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Winchester Bancorp, Inc./MD/ [ WSBK ]

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)
05/01/2026

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	05/01/2026		P		2,500	A	$12.9299	2,500	I	By IRA
Common Stock								7,500	I	By Trust

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:

	/s/ Edward A. Quint, pursuant to power of attorney	05/05/2026
	** 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 WSBK director Stephen Harry Boodakian report?

Director Stephen Harry Boodakian reported an indirect open-market purchase of 2,500 shares of Winchester Bancorp (WSBK) common stock. The shares were acquired on May 1, 2026 at an average price of $12.9299 per share through an IRA account.

At what price did the WSBK insider purchase the 2,500 shares of common stock?

The reported purchase price was an average of $12.9299 per share for 2,500 shares of Winchester Bancorp (WSBK) common stock. This price reflects the consideration paid in the open-market transaction executed through the insider’s IRA on May 1, 2026.

How many Winchester Bancorp (WSBK) shares does the director hold after the reported Form 4?

Following the reported transactions, the director holds 2,500 shares of Winchester Bancorp (WSBK) common stock indirectly through an IRA and 7,500 shares indirectly through a trust. These holdings reflect his reported beneficial ownership as of the May 1, 2026 filing.

Is the WSBK insider purchase held directly or indirectly by Stephen Harry Boodakian?

The purchased 2,500 WSBK shares are held indirectly by Stephen Harry Boodakian through an IRA. The filing also shows 7,500 additional shares held indirectly by a trust, indicating his ownership is through these separate indirect accounts.

What does the Form 4 say about Boodakian’s trust holdings in WSBK stock?

The Form 4 lists 7,500 shares of Winchester Bancorp (WSBK) common stock held indirectly by a trust associated with Stephen Harry Boodakian. This entry is categorized as a holding, reflecting reported beneficial ownership rather than a new transaction.