Avidia Bancorp (AVBC) officer reports insider stock purchases

Rhea-AI Filing Summary

Avidia Bancorp, Inc. (AVBC) executive vice president and chief administrative officer reported open-market purchases of company stock. On 11/18/2025, the officer bought 408 shares of common stock at $14.92 per share and an additional 2,092 shares at $14.9299 per share. After these transactions, the officer directly holds 32,500 common shares and indirectly holds 100 shares through an LLC.

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)
11/18/2025

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	11/18/2025		P		408	A	$14.92	30,408	D
Common Stock	11/18/2025		P		2,092	A	$14.9299	32,500	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	11/18/2025
	** 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 transaction did Avidia Bancorp (AVBC) report on this Form 4?

The filing reports that an executive vice president and chief administrative officer purchased 408 shares at $14.92 and 2,092 shares at $14.9299 of Avidia Bancorp common stock on 11/18/2025.

Who is the Avidia Bancorp (AVBC) insider involved in this Form 4 filing?

The reporting person is an officer of Avidia Bancorp, serving as EVP and Chief Admin Officer, as disclosed in the filing.

How many Avidia Bancorp (AVBC) shares does the insider own after the reported trades?

Following the reported transactions, the officer directly owns 32,500 shares of Avidia Bancorp common stock and indirectly owns 100 shares through an LLC.

On what date did the Avidia Bancorp (AVBC) insider trades occur?

The reported open-market purchases of Avidia Bancorp common stock occurred on 11/18/2025, which is also listed as the earliest transaction date.

What transaction code is used for the Avidia Bancorp (AVBC) Form 4 trades?

The transactions are labeled with code P, indicating open-market or private purchases of Avidia Bancorp common stock.

Does the Avidia Bancorp (AVBC) Form 4 show any indirect ownership?

Yes. In addition to directly held shares, the filing reports 100 shares of Avidia Bancorp common stock held indirectly by an LLC.

Is this Avidia Bancorp (AVBC) Form 4 filed by one or multiple reporting persons?

The document indicates that the Form 4 is filed by one reporting person, not a group filing.