SR Bancorp director buys 250 shares at $20.21

SR Bancorp, Inc. director Robert Kenneth Mustard purchased 250 shares of common stock on 2026-08-14 in an open-market or private transaction at $20.21 per share.

Rhea-AI Filing Summary

SR Bancorp, Inc. director Robert Kenneth Mustard purchased 250 shares of common stock on 2026-08-14 in an open-market or private transaction at $20.21 per share. Following this transaction, he directly owns 1,500 shares of SRBK common stock. The filing’s Rule 10b5-1 checkbox was not marked, indicating the trade was not reported as made under a Rule 10b5-1 trading plan.

Insider Trade Summary

Net Buyer: 250 shares

Net Buy 1 txn

Insider Mustard Robert Kenneth

Role Director

Bought 250 shs ($5K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	250	$20.21	$5K

Holdings After Transaction: Common Stock — 1,500 shares (Direct)

Key Figures

Shares purchased: 250 shares Purchase price per share: $20.21 Shares owned after transaction: 1,500 shares +1 more

4 metrics

Shares purchased 250 shares Common Stock transaction on 2026-08-14 coded as purchase (P)

Purchase price per share $20.21 Per-share price for 250 shares of Common Stock bought on 2026-08-14

Shares owned after transaction 1,500 shares Total directly owned Common Stock following the reported purchase

Net buy shares in filing 250 shares Net of all buy and sell transactions reported in this Form 4

Key Terms

Rule 10b5-1, open market or private transaction, direct ownership

3 terms

Rule 10b5-1 regulatory

"The filing’s Rule 10b5-1 checkbox was not marked"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

open market or private transaction financial

"transaction code description states Purchase in open market or private transaction"

direct ownership financial

"ownership_type field identifies the position as direct"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did SRBK director Robert Kenneth Mustard report on this Form 4?

Robert Kenneth Mustard reported a purchase of 250 SR Bancorp (SRBK) common shares on 2026-08-14. The transaction was coded as a "P" open-market or private purchase and increased his directly held position to 1,500 shares.

At what price did Robert Kenneth Mustard buy SRBK shares in this Form 4?

He purchased SR Bancorp (SRBK) common stock at $20.21 per share. The price is reported as a per-share transaction price, reflecting an open-market or private purchase of 250 shares on 2026-08-14.

How many SRBK shares does Robert Kenneth Mustard hold after this reported transaction?

After the reported transaction, he directly holds 1,500 shares of SR Bancorp (SRBK) common stock. This total reflects his post-transaction ownership as shown in the Form 4’s “total shares following transaction” field.

Was the reported SRBK insider trade made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked, so the transaction is not reported as being under a Rule 10b5-1 trading plan. It is presented simply as an open-market or private purchase of common stock.

Is the SRBK Form 4 transaction by Robert Kenneth Mustard a buy or a sell?

The Form 4 reports a buy transaction. It shows a code “P” purchase of 250 SR Bancorp (SRBK) common shares, increasing his directly owned holdings to 1,500 shares, with no sales reported in this filing.

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

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Available on EDGAR 08/17/2026 - 10:46 AM Accepted by SEC EDGAR 08/17/2026 - 10:45 AM 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).

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^*

Mustard Robert Kenneth

(Last) (First) (Middle)

220 WEST UNION AVENUE

(Street)

BOUND BROOK NEW JERSEY 08805

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SR Bancorp, Inc. [ SRBK ]

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)
08/14/2026

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	08/14/2026		P		250	A	$20.21	1,500	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:

	/s/ Christopher J. Pribula, pursuant to power of attorney	08/17/2026
	** 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)