Avidia Bancorp grants director 50K stock options

Avidia Bancorp director Michael R. Girard received sizable option and restricted stock awards that vest 20% annually starting September 16, 2027.

Rhea-AI Filing Summary

Avidia Bancorp, Inc. (symbol: AVBC) is the issuer of record for a Form 4 filing submitted to the SEC. Girard Michael R reported acquisition or exercise transactions in this Form 4 filing.

Avidia Bancorp, Inc. (AVBC) director Michael R. Girard reported awards of both stock options and restricted common stock. On September 16, 2026 he received 50,190 stock options exercisable at $22.29 per share, expiring September 16, 2036, covering 50,190 shares of common stock.

On the same date he was also granted 20,076 shares of restricted common stock. The restricted shares and the options each vest at a rate of 20% per year commencing on September 16, 2027. Following these awards, he also reports indirect ownership of 975 common shares held by a Roth IRA.

Insider Trade Summary

Grant/Award: 70,266 shares

Grant/Award 3 txns

Insider Girard Michael R

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 — 975 shares (Indirect, By Roth 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 +3 more

6 metrics

Stock options granted 50,190 options Grant to director on September 16, 2026

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

Option expiration date September 16, 2036 Expiration for 50,190 stock options

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

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

Indirect Roth IRA holdings 975 shares Common stock held indirectly by Roth IRA after reported transactions

Key Terms

restricted stock, Stock options, Roth IRA, vesting

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.

Roth IRA financial

"Common Stock indirectly owned By Roth IRA"

A Roth IRA is a retirement savings account you fund with money that’s already been taxed, and withdrawals taken in retirement under the account rules are tax-free. It matters to investors because it shifts the tax bill to today instead of retirement, potentially increasing after-tax income later—think of it like paying for a lifetime subscription now so you can use it without extra charges in the future—helpful for long-term tax planning and flexibility.

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.

FAQ

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

What new equity awards did AVBC director Michael R. Girard receive?

Michael R. Girard received 50,190 stock options with an exercise price of $22.29 per share and 20,076 shares of restricted common stock on September 16, 2026, all reported as directly owned.

When do Michael R. Girard’s new AVBC restricted shares and options vest?

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, according to the footnotes.

What is the exercise price and expiration date of Michael R. Girard’s AVBC options?

The reported stock options for Michael R. Girard have an exercise price of $22.29 per share and an expiration date of September 16, 2036, covering 50,190 shares of Avidia Bancorp, Inc. common stock.

How many AVBC shares does Michael R. Girard hold indirectly?

Michael R. Girard reports 975 shares of AVBC common stock held indirectly by a Roth IRA after the reported transactions. This position is listed as indirect ownership separate from his directly owned awards.

Were Michael R. Girard’s AVBC transactions made under a Rule 10b5-1 plan?

The filing indicates no Rule 10b5-1 trading plan; the document-level checkbox for such a plan is not marked, and the footnotes do not state that the awards were made under a Rule 10b5-1 arrangement.

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

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Available on EDGAR 09/17/2026 - 03:33 PM Accepted by SEC EDGAR 09/17/2026 - 03:32 PM 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^*

Girard Michael R

(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								975	I	By Roth 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)