STOCK TITAN

Avidia Bancorp (AVBC) CEO adds 2,023 shares in 401(k) open-market buy

Filing Impact
(Neutral)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

Avidia Bancorp, Inc. President & CEO Robert D. Cozzone reported an open-market purchase of 2,023 shares of common stock at $19.7678 per share through a 401(k) plan, increasing that indirect position to 65,229 shares. He also reported 1,096 shares held indirectly via an ESOP and 1,000 shares held directly, with certain related activity described as not required to be reported under Section 16.

Positive

  • None.

Negative

  • None.
Insider Cozzone Robert D
Role President & CEO
Bought 2,023 shs ($40K)
Type Security Shares Price Value
Purchase Common Stock 2,023 $19.7678 $40K
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 65,229 shares (Indirect, By 401(k)); Common Stock — 1,000 shares (Direct, null)
Footnotes (1)
  1. [object Object]
Open-market purchase shares 2,023 shares Common Stock bought on May 13, 2026 via 401(k)
Purchase price $19.7678 per share Average price for 2,023 shares of Common Stock
401(k) holdings after purchase 65,229 shares Indirect ownership via 401(k) following transaction
ESOP holdings 1,096 shares Indirect ownership via ESOP as of May 13, 2026
Direct holdings 1,000 shares Direct ownership as of May 13, 2026
Net insider share change 2,023 shares Net buy-sell shares from transaction summary
open-market purchase financial
"Purchase in open market or private transaction"
An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.
Section 16 regulatory
"not required to be reported pursuant to Section 16"
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.
ESOP financial
"nature_of_ownership: By ESOP"
An Employee Stock Ownership Plan (ESOP) is a program that gives employees ownership shares in their company, often as part of their benefits package. It acts like a company-sponsored savings plan, allowing workers to have a stake in the company's success, which can boost motivation and loyalty. For investors, ESOPs can influence company decisions and stock value, making them an important aspect of corporate ownership and governance.
401(k) financial
"nature_of_ownership: By 401(k)"
A 401(k) is a type of retirement savings plan offered by employers that allows workers to set aside a portion of their paycheck before taxes are taken out. The money saved in a 401(k) can grow over time through investments, helping individuals build funds for their future retirement. It matters to investors because it provides a tax-advantaged way to save and invest for long-term financial security.
indirect ownership financial
"ownership_type: indirect, direct_or_indirect: I"
SEC Form 4
FORM 4UNITED 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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
President & CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/13/2026P2,023A$19.767865,229IBy 401(k)
Common Stock1,000D
Common Stock1,096(1)IBy ESOP
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Reflects transactions not required to be reported pursuant to Section 16 of the Securities Act of 1934, as amended.
/s/ Victor L. Cangelosi, pursuant to power of attorney05/15/2026
** Signature of Reporting PersonDate
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)

FAQ

What insider transaction did AVBC President & CEO Robert D. Cozzone report?

Robert D. Cozzone reported buying 2,023 shares of Avidia Bancorp common stock. The purchase was an open-market transaction through a 401(k) plan at $19.7678 per share, as reflected in a Form 4 insider filing dated May 13, 2026.

At what price did the AVBC CEO purchase Avidia Bancorp shares?

The CEO purchased Avidia Bancorp common stock at an average price of $19.7678 per share. This price applies to the 2,023 shares acquired in an open-market transaction through a 401(k) plan, as disclosed in the Form 4 transaction details.

How many Avidia Bancorp shares does the AVBC CEO now hold in his 401(k)?

Following the reported transaction, the CEO holds 65,229 Avidia Bancorp shares indirectly through a 401(k) plan. This total reflects the addition of 2,023 shares purchased on May 13, 2026, as shown in the Form 4 filing’s post-transaction holdings column.

What other Avidia Bancorp holdings did the AVBC CEO report?

The CEO reported 1,096 shares of Avidia Bancorp common stock held indirectly through an ESOP and 1,000 shares held directly. These entries appear as holding lines in the Form 4 and are separate from the 401(k) purchase transaction.

What does the Section 16 footnote in the AVBC Form 4 indicate?

A footnote explains that certain reflected transactions are not required to be reported under Section 16 of the Securities Exchange Act of 1934. This language clarifies that some movements in the reported positions fall outside mandatory Section 16 reporting rules.

Is the AVBC CEO’s 2,023-share purchase classified as an open-market trade?

Yes. The Form 4 lists transaction code P for the 2,023 shares, describing it as a purchase in the open market or a private transaction. The filing further notes the shares are held indirectly through a 401(k) plan account.