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Avidia Bancorp grants chair 20K shares, 50K options

AVBC’s board chairman received new stock option and restricted stock awards that increase his direct and indirect equity holdings.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Avidia Bancorp, Inc. (AVBC) director and Chairman of the Board Michael Dennis Murphy reported equity awards on September 16, 2026. He received 50,190 stock options with an exercise price of $22.29 per share and a 20,076-share restricted stock award, both vesting 20% per year starting September 16, 2027.

After these awards he directly holds 69,076 shares of common stock. Additional indirect holdings are reported through a spouse, an LLC, and a spouse’s IRA. No Rule 10b5-1 trading plan is reported for these transactions.

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Insider Murphy Michael Dennis
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 -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Stock Options — 50,190 contracts (Direct); Common Stock — 69,076 shares (Direct); Common Stock — 6,850 shares (Indirect, By Spouse); Common Stock — 20,000 shares (Indirect, By LLC); Common Stock — 7,230 shares (Indirect, By Spouse's 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.
Stock options granted 50,190 options Grant to Michael Dennis Murphy on September 16, 2026
Option exercise price $22.29 per share Exercise price of options granted September 16, 2026
Option expiration date September 16, 2036 Expiration of stock options granted to Michael Dennis Murphy
Restricted stock granted 20,076 shares Restricted stock award on September 16, 2026
Direct common stock holdings 69,076 shares Direct ownership after the September 16, 2026 transactions
Indirect holdings by spouse 6,850 shares Common stock held indirectly through spouse
Indirect holdings by LLC 20,000 shares Common stock held indirectly through an LLC
Indirect holdings by spouse’s IRA 7,230 shares Common stock held indirectly through spouse’s IRA
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.
exercise price financial
"Stock options include an exercise price per share"
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.
expiration date financial
"Options carry an expiration date after the vesting period"
The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

FAQ

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

What equity awards did AVBC grant to Michael Dennis Murphy on September 16, 2026?

On September 16, 2026, Michael Dennis Murphy received 50,190 stock options with an exercise price of $22.29 per share and a 20,076-share restricted stock award from Avidia Bancorp, Inc. Both awards relate to the company’s common stock.

What is the vesting schedule for Michael Dennis Murphy’s new AVBC awards?

Both the 20,076 restricted shares and the 50,190 stock options vest at a rate of 20% per year beginning on September 16, 2027, according to the footnotes describing the restricted stock and option grants.

What are the key terms of Michael Dennis Murphy’s AVBC stock options?

The stock options cover 50,190 shares of AVBC common stock at an exercise price of $22.29 per share. They begin vesting on September 16, 2027 and have an expiration date of September 16, 2036, as reported in the Form 4 data.

How many AVBC shares does Michael Dennis Murphy own directly after these transactions?

Following the September 16, 2026 awards, Michael Dennis Murphy directly holds 69,076 shares of Avidia Bancorp, Inc. common stock. This figure reflects his direct ownership position after the restricted stock grant reported in the filing.

What indirect AVBC holdings associated with Michael Dennis Murphy are reported?

Indirect holdings reported include 6,850 shares held by his spouse, 20,000 shares held by an LLC, and 7,230 shares held by his spouse’s IRA. These are reported as indirect beneficial ownership interests in AVBC common stock.

Were Michael Dennis Murphy’s AVBC transactions under a Rule 10b5-1 plan?

No. The filing indicates that no Rule 10b5-1 trading plan is reported for these transactions, meaning the awards are not described as being made pursuant to a pre-arranged trading plan.

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

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Learn about SEC filing dates
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*
Murphy Michael Dennis

(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
Officer (give title below)XOther (specify below)
Chairman of the Board
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/16/2026
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 Stock09/16/2026A20,076(1)A$069,076D
Common Stock6,850IBy Spouse
Common Stock20,000IBy LLC
Common Stock7,230IBy Spouse's 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Options$22.2909/16/2026A50,190(2)09/16/202709/16/2036Common Stock50,190(2)$050,190(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 attorney09/17/2026
** 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)

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