Michael Neil Flanigan - 18 Sep 2026 Form 4 Insider Report for Avidia Bancorp, Inc. (AVBC)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
09 Oct 2026, 10:51:36 UTC
Prior SEC filing
17 Sep 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Michael Neil Flanigan
Filing notes and source

Key filing fact

Michael Neil Flanigan filed Form 4 for Avidia Bancorp, Inc. (AVBC) on 09 Oct 2026.

Key facts

  • This page summarizes Michael Neil Flanigan's Form 4 filing for Avidia Bancorp, Inc. (AVBC).
  • 3 reported transactions and 1 derivative row are listed below.
  • Accepted by SEC: 09 Oct 2026, 10:51.

Change

  • Previous filing in this sequence was filed on 17 Sep 2026.
  • Current net transaction value: -$111,688.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002076313 Primary reporting owner

Flanigan Micheal Neil

Relationship
Director
Address
42 MAIN ST, HUDSON
Signature
/s/ Michael Neil Flanigan
Signature date
08 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AVBC transaction

Common Stock

Sale

Transaction value
-$33,525
Shares
-1,500
Change %
-30%
Price
$22.35
Shares after
3,500
Date
18 Sep 2026
Ownership
By LLP
AVBC transaction

Common Stock

Sale

Transaction value
-$29,031
Shares
-1,300
Change %
-37%
Price
$22.33
Shares after
2,200
Date
18 Sep 2026
Ownership
By LLP
AVBC transaction

Common Stock

Sale

Transaction value
-$49,132
Shares
-2,200
Change %
-100%
Price
$22.33
Shares after
0
Date
18 Sep 2026
Ownership
By LLP
AVBC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
20,076
Date
18 Sep 2026
Ownership
Direct
Footnotes
F1
AVBC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
24,500
Date
18 Sep 2026
Ownership
By IRA
AVBC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
13,334
Date
18 Sep 2026
Ownership
By LLC
AVBC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,000
Date
18 Sep 2026
Ownership
By Brother

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AVBC holding Derivative

Stock Options

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
50,190
Date
18 Sep 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
50,190
Exercise price
$22.29
Footnotes
F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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

Footnote F2

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

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