Avidia Bancorp CEO gets 192K shares, 468K options

Both the restricted shares and options vest at 16.67% per year commencing October 13, 2027.

Rhea-AI Filing Summary

Avidia Bancorp, Inc. President & CEO Robert D. Cozzone received 192,000 shares of restricted stock and 468,000 stock options on October 13, 2026. His directly held common stock totaled 193,000 shares after the restricted-stock award. The options have a $21.95 exercise price, an October 13, 2027 exercise date and an October 13, 2036 expiration date. He also reported indirect holdings of 1,096 shares through an ESOP and 67,878 shares through a 401(k).

Insider Trade Summary

Grant/Award: 660,000 shares

Grant/Award 4 txns

Insider Cozzone Robert D

Role President & CEO

Type	Security	Shares	Price	Value
Grant/Award	Stock Options F3	468,000	$0.00	$0.00
Grant/Award	Common Stock F1	192,000	$0.00	$0.00
holding	Common Stock	--	--	--
holding	Common Stock F2	--	--	--

Holdings After Transaction: Stock Options — 468,000 contracts (Direct); Common Stock — 193,000 shares (Direct); Common Stock — 1,096 shares (Indirect, By ESOP); Common Stock — 67,878 shares (Indirect, By 401(k))

Footnotes (3)

1. F1. Shares of restricted stock vest at a rate of 16.67% per year commencing on October 13, 2027.
2. F2. Reflects transactions not required to be reported pursuant to Section 16 of the Securities Act of 1934, as amended.
3. F3. Stock options vest at a rate of 16.67% per year commencing on October 13, 2027.

Key Figures

Restricted stock awarded: 192,000 shares Stock options awarded: 468,000 options Exercise price: $21.95 per share +4 more

7 metrics

Restricted stock awarded 192,000 shares Awarded October 13, 2026

Stock options awarded 468,000 options Awarded October 13, 2026

Exercise price $21.95 per share Stock options

Direct common stock after award 193,000 shares Following the October 13, 2026 restricted-stock award

Indirect shares through ESOP 1,096 shares Reported October 13, 2026

Indirect shares through 401(k) 67,878 shares Reported October 13, 2026

Vesting rate 16.67% per year Commencing October 13, 2027, for restricted stock and stock options

Key Terms

restricted stock, stock options, exercise price

3 terms

restricted stock financial

"Shares of restricted stock vest at a rate"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

stock options financial

"Stock options vest at a rate"

Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

exercise price financial

"Options have a $21.95 exercise price"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

FAQ

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

What equity awards did AVBC CEO Robert D. Cozzone receive?

Robert D. Cozzone received 192,000 shares of restricted stock and 468,000 stock options on October 13, 2026. His directly held common stock totaled 193,000 shares after the restricted-stock award, and the options have a $21.95 exercise price.

When do Robert D. Cozzone's AVBC awards vest?

The restricted shares and options vest at a rate of 16.67% per year commencing October 13, 2027. The options have an October 13, 2027 exercise date and expire October 13, 2036.

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

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Available on EDGAR 10/15/2026 - 10:14 AM EDT Accepted by SEC EDGAR 10/15/2026 - 10:14 AM EDT Learn about SEC filing dates

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 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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/13/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/13/2026		A		192,000(1)	A	$0	193,000	D
Common Stock								1,096	I	By ESOP
Common Stock								67,878(2)	I	By 401(k)

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
Stock Options	$21.95	10/13/2026		A		468,000(3)		10/13/2027	10/13/2036	Common Stock	468,000(3)	$0	468,000(3)	D

Explanation of Responses:

1. Shares of restricted stock vest at a rate of 16.67% per year commencing on October 13, 2027.

2. Reflects transactions not required to be reported pursuant to Section 16 of the Securities Act of 1934, as amended.

3. Stock options vest at a rate of 16.67% per year commencing on October 13, 2027.

	/s/ Victor L. Cangelosi, pursuant to Power of Attorney	10/15/2026
	** 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)