Avidia Bancorp director buys 5,900 AVBC shares

Avidia Bancorp, Inc. director Saul Kennedy O reported multiple open-market purchases of the company’s Common Stock.

Rhea-AI Filing Summary

Avidia Bancorp, Inc. director Saul Kennedy O reported multiple open-market purchases of the company’s Common Stock. On 2026-08-11, he executed six non-derivative purchase transactions totaling 5,900 shares at per-share prices ranging from $21.61 to $21.67, all held as direct ownership. The filing’s Rule 10b5-1 checkbox indicates these trades were not made under a trading plan.

Insider Trade Summary

Net Buyer: 5,900 shares

Net Buy 6 txns

Insider Saul Kennedy O

Role Director

Bought 5,900 shs ($128K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	13	$21.61	$280.93
Purchase	Common Stock	513	$21.62	$11K
Purchase	Common Stock	145	$21.63	$3K
Purchase	Common Stock	79	$21.64	$2K
Purchase	Common Stock	4,278	$21.65	$93K
Purchase	Common Stock	872	$21.67	$19K

Holdings After Transaction: Common Stock — 10,050 shares (Direct)

Key Figures

Total shares purchased: 5,900 shares of Common Stock Number of purchase transactions: 6 transactions Lowest purchase price: $21.61 per share +2 more

5 metrics

Total shares purchased 5,900 shares of Common Stock Aggregate of six open-market purchases on 2026-08-11

Number of purchase transactions 6 transactions Non-derivative Common Stock purchases coded P on 2026-08-11

Lowest purchase price $21.61 per share One of the reported Common Stock purchases on 2026-08-11

Highest purchase price $21.67 per share One of the reported Common Stock purchases on 2026-08-11

Rule 10b5-1 plan status Not under Rule 10b5-1 plan Affirmation checkbox for trading plan in the Form 4

Key Terms

Form 4, non-derivative, open market or private transaction, direct ownership, +1 more

5 terms

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

non-derivative financial

"transaction_type": "non-derivative""

open market or private transaction financial

"transaction_code_description": "Purchase in open market or private transaction""

direct ownership financial

"ownership_type": "direct""

Rule 10b5-1 regulatory

"aff_10b5_one is the filing’s document-level Rule 10b5-1 checkbox"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

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

What insider activity did Avidia Bancorp (AVBC) report in this Form 4?

Avidia Bancorp reported that director Saul Kennedy O purchased 5,900 shares of Common Stock in six open-market transactions on 2026-08-11, with all shares held as direct ownership after the trades.

At what prices did the AVBC director buy shares on 2026-08-11?

The director’s purchases were executed at prices between $21.61 and $21.67 per share. Individual trades occurred at $21.61, $21.62, $21.63, $21.64, $21.65, and $21.67 for Common Stock.

How many individual purchase transactions did the AVBC Form 4 disclose?

The Form 4 discloses six separate non-derivative purchase transactions in AVBC Common Stock. All occurred on 2026-08-11 and are coded “P” for purchases in open-market or private transactions.

Were the AVBC insider purchases made under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 affirmation checkbox is marked negative, indicating these 5,900 shares of Common Stock were not acquired pursuant to a pre-arranged trading plan.

Is the AVBC insider ownership direct or indirect after these purchases?

The reported holdings from these transactions are classified as direct ownership. Each of the six Common Stock purchases lists the ownership code as “D”, indicating direct, rather than indirect, beneficial ownership.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 08/12/2026 - 03:00 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^*

Saul Kennedy O

(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)
08/11/2026

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	08/11/2026		P		13	A	$21.61	4,163	D
Common Stock	08/11/2026		P		513	A	$21.62	4,676	D
Common Stock	08/11/2026		P		145	A	$21.63	4,821	D
Common Stock	08/11/2026		P		79	A	$21.64	4,900	D
Common Stock	08/11/2026		P		4,278	A	$21.65	9,178	D
Common Stock	08/11/2026		P		872	A	$21.67	10,050	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	08/12/2026
	** 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)