Avidia EVP buys 1,500 AVBC shares in open market

Avidia Bancorp, Inc. executive Bartholomew H. Murphy Jr., EVP & Chief Operating Officer, bought 1,500 shares of Common Stock in an open-market transaction at $19.15 per share.

Filing Impact

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Filing Sentiment

(Positive)How Sentiment works

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Form Type

Rhea-AI Filing Summary

Avidia Bancorp, Inc. executive Bartholomew H. Murphy Jr., EVP & Chief Operating Officer, bought 1,500 shares of Common Stock in an open-market transaction at $19.15 per share. After the purchase, he directly owns 23,000 shares and also reports indirect holdings through an IRA, spouse, and spouse’s IRA.

Insider Trade Summary

Net Buyer: 1,500 shares

Net Buy 4 txns

Insider Murphy Bartholomew H JR

Role EVP & Chief Operating Off

Bought 1,500 shs ($29K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	1,500	$19.15	$29K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 23,000 shares (Direct); Common Stock — 20,000 shares (Indirect, By IRA); Common Stock — 6,000 shares (Indirect, By Spouse); Common Stock — 10,440 shares (Indirect, By Spouse's IRA)

FAQ

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

What insider transaction did Avidia Bancorp (AVBC) report for Bartholomew H. Murphy Jr.?

Avidia Bancorp reported that EVP & Chief Operating Officer Bartholomew H. Murphy Jr. bought 1,500 shares of Common Stock. The open-market purchase was made at $19.15 per share, increasing his directly held stake to 23,000 shares.

At what price did the Avidia Bancorp (AVBC) EVP buy shares in the latest Form 4?

The Avidia Bancorp executive bought 1,500 Common Stock shares at $19.15 per share. This open-market purchase reflects a cash investment at that price level and raises his direct ownership to 23,000 shares following the transaction.

How many Avidia Bancorp (AVBC) shares does Bartholomew H. Murphy Jr. hold directly after the Form 4 trade?

Following the reported transaction, Bartholomew H. Murphy Jr. directly owns 23,000 shares of Avidia Bancorp Common Stock. This figure includes the 1,500 shares he purchased in the open market at $19.15 per share on the reported date.

What indirect Avidia Bancorp (AVBC) holdings are associated with the EVP in the Form 4?

In addition to 23,000 directly held shares, the Form 4 lists indirect holdings for the EVP: 20,000 shares held by an IRA, 6,000 shares held by his spouse, and 10,440 shares held by his spouse’s IRA, all in Avidia Bancorp Common Stock.

Does the Avidia Bancorp (AVBC) Form 4 show any stock sales by the EVP?

The Form 4 shows no stock sales by the EVP. It reports one open-market purchase of 1,500 Common Stock shares at $19.15 per share and updates his direct and indirect ownership positions without recording any dispositions.

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

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Accepted by SEC EDGAR 03/19/2026 - 04:17 PM EDT

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^*

Murphy Bartholomew H JR

(Last)

(First)

(Middle)

42 MAIN ST

(Street)

HUDSON

MASSACHUSETTS

01749

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Avidia Bancorp, Inc. [ AVBC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	EVP & Chief Operating Off

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/18/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/18/2026		P		1,500	A	$19.15	23,000	D
Common Stock								20,000	I	By IRA
Common Stock								6,000	I	By Spouse
Common Stock								10,440	I	By Spouse's IRA

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

	/s/ Victor L. Cangelosi, pursuant to Power of Attorney	03/19/2026
	** 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)

Source: View Original Filing on SEC EDGAR