Avidia Bancorp grants director 50K options, 20K shares

Director James N. Ball received new option and restricted stock awards from Avidia Bancorp, Inc., vesting over five years starting in 2027.

Rhea-AI Filing Summary

Avidia Bancorp, Inc. (AVBC) reported that director James N. Ball received equity-based awards on September 16, 2026. He was granted 50,190 stock options, each exercisable for one share of common stock at an exercise price of $22.29 per share, expiring September 16, 2036. He also received a grant of 20,076 shares of restricted common stock. Both the restricted shares and the options vest at a rate of 20% per year commencing on September 16, 2027. Following these awards, he holds 20,076 shares directly and 50,000 shares indirectly through an IRA, in addition to the newly granted options.

Insider Trade Summary

Grant/Award: 70,266 shares

Grant/Award 3 txns

Insider BALL JAMES N

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Options F2	50,190	$0.00	$0.00
Grant/Award	Common Stock F1	20,076	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Options — 50,190 contracts (Direct); Common Stock — 20,076 shares (Direct); Common Stock — 50,000 shares (Indirect, By IRA)

Footnotes (2)

1. F1. Shares of restricted stock vest at a rate of 20% per year commencing on September 16, 2027.
2. F2. Stock options vest at a rate of 20% per year commencing on September 16, 2027.

Key Figures

Stock options granted: 50,190 options Option exercise price: $22.29 per share Option expiration date: September 16, 2036 +4 more

7 metrics

Stock options granted 50,190 options Grant to director James N. Ball on September 16, 2026

Option exercise price $22.29 per share Exercise price for 50,190 stock options granted September 16, 2026

Option expiration date September 16, 2036 Expiry of stock options granted to James N. Ball

Restricted shares granted 20,076 shares Restricted common stock grant on September 16, 2026

Vesting rate 20% per year Applies to both restricted stock and options, starting September 16, 2027

Indirect IRA holdings 50,000 shares Common stock held indirectly by IRA after reported transactions

Direct common stock holdings 20,076 shares Direct ownership after restricted stock grant

Key Terms

restricted stock, Stock options, vesting, IRA

4 terms

restricted stock financial

"Shares of restricted stock vest at a rate of 20% per year"

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 of 20% per year"

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.

vesting financial

"vest at a rate of 20% per year commencing on September 16, 2027"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

IRA financial

"Common Stock held indirectly, nature of ownership: By IRA"

An individual retirement account (IRA) is a savings account designed to help people put aside money for their retirement, often with tax advantages that encourage long-term savings. It matters to investors because it can grow over time, providing financial security later in life, and offers benefits that can reduce current taxes or allow investments to compound more effectively.

FAQ

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

What equity awards did AVBC grant to director James N. Ball on September 16, 2026?

He received 50,190 stock options with an exercise price of $22.29 per share, expiring September 16, 2036, and a grant of 20,076 shares of restricted common stock, all reported as direct ownership.

How do the new AVBC restricted stock and option awards vest for James N. Ball?

Both the 20,076 restricted shares and the 50,190 stock options vest at a rate of 20% per year, commencing on September 16, 2027, implying a five-year vesting schedule from that start date.

What are James N. Ball’s reported AVBC common stock holdings after these transactions?

After these transactions, he holds 20,076 shares of AVBC common stock directly and 50,000 shares indirectly through an IRA, in addition to the newly granted options on 50,190 underlying shares.

What is the term of the AVBC stock options granted to James N. Ball?

The 50,190 stock options have an exercise price of $22.29 per share and an expiration date of September 16, 2036, providing a ten-year term from the September 16, 2026 grant date.

Were James N. Ball’s AVBC transactions reported under a Rule 10b5-1 trading plan?

No. The filing indicates that the Rule 10b5-1 checkbox is not marked as applicable, and there is no footnote stating that the awards were made pursuant to a Rule 10b5-1 trading plan.

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

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Available on EDGAR 09/17/2026 - 03:29 PM EDT Accepted by SEC EDGAR 09/17/2026 - 03:28 PM 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^*

BALL JAMES N

(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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/16/2026

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	09/16/2026		A		20,076(1)	A	$0	20,076	D
Common Stock								50,000	I	By IRA

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	$22.29	09/16/2026		A		50,190(2)		09/16/2027	09/16/2036	Common Stock	50,190(2)	$0	50,190(2)	D

Explanation of Responses:

1. Shares of restricted stock vest at a rate of 20% per year commencing on September 16, 2027.

2. Stock options vest at a rate of 20% per year commencing on September 16, 2027.

	/s/ Victor L. Cangelosi, pursuant to power of attorney	09/17/2026
	** 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)