Are insiders buying AVBC stock?

Yes — 16 distinct insiders have bought AVBC (Avidia Bancorp, Inc.) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Apr 29, 2026.

How much AVBC stock have insiders bought?

Insiders have bought a combined $3.7M of AVBC across 71 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in AVBC?

A cluster buy is two or more distinct Avidia Bancorp, Inc. insiders — officers, directors, or 10% owners — each buying AVBC on the open market within a rolling window. AVBC has 1 detected cluster buy to date.

Where does this AVBC insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

AVBC insider buying

1 cluster buy

Avidia Bancorp, Inc. · Financials

When two or more insiders at Avidia Bancorp, Inc. buy AVBC on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in AVBC plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$3.7M

Market cap

$399.1M

Detected clusters

Aug 5 – Aug 15, 2025
Detected Aug 15, 2025
High conviction5 insiders
Total bought
$999.5K
Market cap
$399.1M

All notable open-market buys in AVBC

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
Apr 27, 2026	BALL JAMES N Director	5,000	$20.60	$103.0K	SEC ↗
Mar 18, 2026	Murphy Bartholomew H JR EVP & Chief Operating Off	1,500	$19.15	$28.7K	SEC ↗
Mar 12, 2026	Jensen Barry H EVP and Chief Admin Officer	1,000	$18.69	$18.7K	SEC ↗
Mar 12, 2026	Girard Michael R Director	450	$18.80	$8.5K	SEC ↗
Mar 12, 2026	Murphy Bartholomew H JR EVP & Chief Operating Off	440	$18.62	$8.2K	SEC ↗
Mar 9, 2026	Nelson Jonathan Michael CFO and Treasurer	2,579	$19.39	$50.0K	SEC ↗
Mar 9, 2026	Murphy Bartholomew H JR EVP & Chief Operating Off	1,500	$19.09	$28.6K	SEC ↗
Mar 2, 2026	Karmelek Nicolas EVP and CRO	1,090	$18.59	$20.3K	SEC ↗
Mar 2, 2026	Cozzone Robert D Director, President & CEO	1,064	$18.79	$20.0K	SEC ↗
Feb 23, 2026	Jensen Barry H EVP and Chief Admin Officer	1,000	$18.77	$18.8K	SEC ↗
Feb 23, 2026	Jensen Barry H EVP and Chief Admin Officer	1,000	$18.65	$18.7K	SEC ↗
Feb 11, 2026	Cozzone Robert D Director, President & CEO	2,582	$19.36	$50.0K	SEC ↗
Feb 11, 2026	Jensen Barry H EVP and Chief Admin Officer	1,000	$18.95	$19.0K	SEC ↗
Dec 17, 2025	Jensen Barry H EVP and Chief Admin Officer	2,500	$17.07	$42.7K	SEC ↗
Dec 1, 2025	Murphy Michael Dennis Director, Chairman of the Board	6,230	$16.00	$99.7K	SEC ↗
Dec 1, 2025	BALL JAMES N Director	5,000	$16.13	$80.7K	SEC ↗
Nov 24, 2025	Nelson Jonathan Michael CFO and Treasurer	3,245	$15.41	$50.0K	SEC ↗
Nov 21, 2025	Cozzone Robert D Director, President & CEO	3,261	$15.33	$50.0K	SEC ↗
Nov 18, 2025	Jensen Barry H EVP and Chief Admin Officer	2,092	$14.93	$31.2K	SEC ↗
Nov 18, 2025	Girard Michael R Director	525	$14.97	$7.9K	SEC ↗
Nov 18, 2025	Jensen Barry H EVP and Chief Admin Officer	408	$14.92	$6.1K	SEC ↗
Nov 13, 2025	Jensen Barry H EVP and Chief Admin Officer	5,000	$15.24	$76.2K	SEC ↗
Nov 10, 2025	Cozzone Robert D Director, President & CEO	3,240	$15.43	$50.0K	SEC ↗
Nov 7, 2025	Murphy Michael Dennis Director, Chairman of the Board	2,500	$15.11	$37.8K	SEC ↗
Nov 6, 2025	Murphy Michael Dennis Director, Chairman of the Board	1,000	$15.10	$15.1K	SEC ↗

46 earlier buys hidden — sign in free to see the full history.

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AVBC insider buying — FAQ

Are insiders buying AVBC stock?: Yes — 16 distinct insiders have bought AVBC (Avidia Bancorp, Inc.) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Apr 29, 2026.
How much AVBC stock have insiders bought?: Insiders have bought a combined $3.7M of AVBC across 71 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in AVBC?: A cluster buy is two or more distinct Avidia Bancorp, Inc. insiders — officers, directors, or 10% owners — each buying AVBC on the open market within a rolling window. AVBC has 1 detected cluster buy to date.
Where does this AVBC insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in AVBC

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy AVBC within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding AVBC.