Avidia Bancorp (AVBC) CEO buys 2,582 shares in open-market trade

Rhea-AI Filing Summary

Avidia Bancorp, Inc. reported an insider share purchase by its President & CEO, Robert D. Cozzone. On 02/11/2026, he made an open-market purchase of 2,582 shares of common stock at $19.3624 per share through a 401(k) plan, held as indirect ownership.

Following this transaction, Cozzone beneficially owned 62,142 shares indirectly via the 401(k). The filing also shows a separate direct holding of 1,000 common shares in his own name.

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^*

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)
02/11/2026

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	02/11/2026		P		2,582	A	$19.3624	62,142	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	02/13/2026
	** 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.

FAQ

What insider transaction did Avidia Bancorp (AVBC) report for its CEO?

Avidia Bancorp reported that President & CEO Robert D. Cozzone bought 2,582 shares of common stock on February 11, 2026. The shares were acquired in an open-market transaction through a 401(k) plan and are reported as indirect ownership.

How many Avidia Bancorp shares did Robert D. Cozzone buy and at what price?

Robert D. Cozzone purchased 2,582 Avidia Bancorp common shares at $19.3624 per share on February 11, 2026. The transaction is coded as an open-market or private purchase and is held indirectly through a 401(k) account.

What is Robert D. Cozzone’s Avidia Bancorp share ownership after this Form 4?

After the reported transaction, Robert D. Cozzone beneficially owned 62,142 Avidia Bancorp shares indirectly through a 401(k) plan. The Form 4 also lists a separate direct holding of 1,000 common shares in his own name, reflecting both indirect and direct ownership positions.

Is the Avidia Bancorp CEO’s February 11, 2026 transaction a purchase or a sale?

The February 11, 2026 transaction is a purchase. It is coded "P" for an open-market or private transaction, with 2,582 Avidia Bancorp common shares acquired at $19.3624 per share and held indirectly through a 401(k) account for the benefit of Robert D. Cozzone.

How is the Avidia Bancorp CEO’s ownership characterized in the Form 4 filing?

The filing shows two ownership types for Robert D. Cozzone. He indirectly owns 62,142 common shares "By 401(k)" and directly owns 1,000 common shares. Indirect ownership reflects shares held through the retirement plan rather than in a personal brokerage account.