[Form 4] Avidia Bancorp, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Jensen Barry H, an EVP and Chief Administrative Officer and director of Avidia Bancorp (AVBC), reported acquiring 2,000 shares of the issuer's common stock at $14.53 per share, increasing his direct holdings to 12,000 shares. The filing also shows an indirect holding of 100 shares through an LLC. No derivative securities are reported on this form.

Insights

Securities Analyst

TL;DR: Insider purchase of 2,000 AVBC common shares at $14.53, raising direct holdings to 12,000 shares.

The Form 4 reports a straightforward open-market acquisition: 2,000 common shares purchased at $14.53 per share, bringing the reporting person’s direct beneficial ownership to 12,000 shares. The filing lists an additional 100 shares held indirectly via an LLC. No options, warrants, or other derivative positions are disclosed, and the transaction is presented as a single non-derivative event.

Corporate Governance Expert

TL;DR: Officer and director compliance: a reported purchase and an indirect LLC holding; routine Section 16 disclosure.

The report identifies the reporting person as an EVP and Chief Administrative Officer who is also a director, and provides the required Section 16 transparency for a reported purchase. The presence of a 100-share indirect holding via an LLC is explicitly noted. The document does not report any amendments or derivative transactions related to this filing.

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

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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^*

Jensen Barry H

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP and Chief Admin Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2025

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	08/11/2025		P		2,000	A	$14.53	12,000	D
Common Stock								100	I	By LLC

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	08/12/2025
	** 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 transaction is reported on the AVBC Form 4?

The form reports an acquisition of 2,000 common shares at $14.53 per share by the reporting person.

Who is the reporting person on this Form 4 for AVBC?

The reporting person is Jensen Barry H, identified as an EVP and Chief Administrative Officer and a director of Avidia Bancorp.

How many shares does Jensen Barry H beneficially own after the reported transaction?

Following the transaction, the filing shows 12,000 shares beneficially owned directly and an additional 100 shares indirectly via an LLC.

What is the transaction date and price reported for the AVBC trade?

The transaction date is reported as 08/11/2025 with a purchase price of $14.53 per share.

Are any derivative securities reported on this Form 4 for AVBC?

No. The filing does not report any derivative securities, such as options, warrants, or convertible instruments.

Was the Form 4 signed by a representative or under power of attorney?

Yes. The filing signature block shows the form executed by Victor L. Cangelosi pursuant to power of attorney.