Avidia Bancorp (AVBC) Insider Report: Cozzone Acquires 3,224 Shares

Rhea-AI Filing Summary

Avidia Bancorp insider transactions: On 09/11/2025 Robert D. Cozzone, President & CEO and director, reported acquiring 3,224 shares of Avidia Bancorp common stock at $15.5088 per share and disposing of 1,000 shares. After the reported transactions he beneficially owned 40,017 shares indirectly through a 401(k) plan. The Form 4 was signed via power of attorney on 09/15/2025.

Positive

• Insider purchase disclosed: CEO/Director acquired 3,224 shares at $15.5088, indicating personal investment in the company.
• Proper reporting: Transaction reported on Form 4 with signature via power of attorney dated 09/15/2025.

Negative

• Insider disposal: The filing reports a disposition of 1,000 common shares (no price disclosed for the disposal line).
• Indirect ownership: Majority of reported holdings (40,017 shares) are indirect via a 401(k), which may limit direct governance influence.

Insights

Financial Analyst

TL;DR: CEO reported a small net purchase and retains indirect holdings through a 401(k); transaction size is modest relative to typical market-moving insider trades.

The purchase of 3,224 shares at $15.5088 shows insider buying activity by the President & CEO, while a separate disposal of 1,000 shares was also reported. Net change is a moderate increase in exposure. The ownership is held indirectly via a 401(k), which can limit immediate control implications. Transaction dates and prices are explicitly disclosed; no other financial metrics or company-wide impacts are provided in this filing.

Corporate Governance Expert

TL;DR: Insider activity is disclosed properly; filings show standard reporting and use of power of attorney for signature.

The report names Robert D. Cozzone as both President & CEO and a director, and documents acquisition and disposition of common stock with clear quantities and price for the purchase. The Form 4 includes a signature executed pursuant to power of attorney. There are no indications of unusual arrangements or undisclosed derivative positions in this filing. Materiality appears limited to routine insider trading disclosure.

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^*

Cozzone Robert D

(Last) (First) (Middle)

42 MAIN ST

(Street)

HUDSON MA 01749

(City) (State) (Zip)

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

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
09/11/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	09/11/2025		P		3,224	A	$15.5088	40,017	I	By 401(k)
Common Stock								1,000	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/ Victor L. Cangelosi, pursuant to power of attorney	09/15/2025
	** 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.

FAQ

What insider transactions did Robert D. Cozzone report for AVBC?

On 09/11/2025 he reported acquiring 3,224 shares at $15.5088 and disposing of 1,000 shares; beneficial ownership after transactions was 40,017 shares held indirectly via a 401(k).

What is Robert D. Cozzone's role at Avidia Bancorp (AVBC)?

The Form 4 lists him as President & CEO and a director of Avidia Bancorp.

When was the Form 4 signed for these AVBC transactions?

The filing includes a signature executed pursuant to power of attorney dated 09/15/2025.

How many AVBC shares does the reporting person beneficially own after the transactions?

The Form 4 reports 40,017 shares beneficially owned following the reported transactions, held indirectly via a 401(k).

Was the purchase price disclosed for the acquired AVBC shares?

Yes, the purchase price for the acquired shares is listed as $15.5088 per share.