AVBC insider buying
6 cluster buysAvidia Bancorp, Inc.
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.
Detected clusters
- Aug 11 – Sep 14, 2026Detected Sep 16, 2026High conviction4 insidersTotal bought$486.7KMarket capUnknown
- Aug 11 – Aug 26, 2026Detected Aug 27, 2026High conviction3 insidersTotal bought$376.1KMarket capUnknown
- May 27 – Aug 17, 2026Detected Aug 19, 2026High conviction4 insidersTotal bought$266.4KMarket capUnknown
3 more clusters in AVBC
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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 |
|---|---|---|---|---|---|
| Sep 14, 2026 | Murphy Michael Denniscluster Director, Chairman of the Board | 5,000 | $22.12 | $110.6K | SEC ↗ |
| Aug 26, 2026 | Grimaldo Joseph Fcluster Director | 5,000 | $22.02 | $110.1K | SEC ↗ |
| Aug 17, 2026 | Doane Thomascluster EVP- Human Resources | 1,726 | $22.31 | $38.5K | SEC ↗ |
| Aug 11, 2026 | Grimaldo Joseph Fcluster Director | 4,655 | $21.44 | $99.8K | SEC ↗ |
| Aug 11, 2026 | Saul Kennedy Ocluster Director | 4,278 | $21.65 | $92.6K | SEC ↗ |
| Aug 11, 2026 | Saul Kennedy Ocluster Director | 872 | $21.67 | $18.9K | SEC ↗ |
| Aug 11, 2026 | Saul Kennedy Ocluster Director | 513 | $21.62 | $11.1K | SEC ↗ |
| Aug 11, 2026 | Saul Kennedy Ocluster Director | 145 | $21.63 | $3.1K | SEC ↗ |
| Aug 11, 2026 | Saul Kennedy Ocluster Director | 79 | $21.64 | $1.7K | SEC ↗ |
| Aug 11, 2026 | Saul Kennedy Ocluster Director | 13 | $21.61 | $280.9 | SEC ↗ |
| May 27, 2026 | Karmelek Nicolascluster EVP and CRO | 19 | $19.08 | $362.5 | SEC ↗ |
| May 15, 2026 | GILLES MICHAEL Ocluster Director | 1,000 | $19.17 | $19.2K | SEC ↗ |
| May 15, 2026 | GILLES MICHAEL Ocluster Director | 1,000 | $19.12 | $19.1K | SEC ↗ |
| May 15, 2026 | GILLES MICHAEL Ocluster Director | 1,000 | $18.92 | $18.9K | SEC ↗ |
| Apr 27, 2026 | BALL JAMES Ncluster Director | 5,000 | $20.60 | $103.0K | SEC ↗ |
| Mar 18, 2026 | Murphy Bartholomew H JRcluster EVP & Chief Operating Off | 1,500 | $19.15 | $28.7K | SEC ↗ |
| Mar 12, 2026 | Jensen Barry Hcluster EVP and Chief Admin Officer | 1,000 | $18.69 | $18.7K | SEC ↗ |
| Mar 12, 2026 | Girard Michael Rcluster Director | 450 | $18.80 | $8.5K | SEC ↗ |
| Mar 12, 2026 | Murphy Bartholomew H JRcluster EVP & Chief Operating Off | 440 | $18.62 | $8.2K | SEC ↗ |
| Mar 9, 2026 | Nelson Jonathan Michaelcluster CFO and Treasurer | 2,579 | $19.39 | $50.0K | SEC ↗ |
| Mar 9, 2026 | Murphy Bartholomew H JRcluster EVP & Chief Operating Off | 1,500 | $19.09 | $28.6K | SEC ↗ |
| Mar 2, 2026 | Karmelek Nicolascluster EVP and CRO | 1,090 | $18.59 | $20.3K | SEC ↗ |
| Mar 2, 2026 | Cozzone Robert Dcluster Director, President & CEO | 1,064 | $18.79 | $20.0K | SEC ↗ |
| Feb 25, 2026 | EVP and CRO | 14 | $18.92 | $264.9 | SEC ↗ |
| Feb 23, 2026 | EVP and Chief Admin Officer | 1,000 | $18.77 | $18.8K | SEC ↗ |
AVBC insider buying — FAQ
- Are insiders buying AVBC stock?
- Yes — 20 distinct insiders have bought AVBC (Avidia Bancorp, Inc.) on the open market, including 6 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Sep 16, 2026.
- How much AVBC stock have insiders bought?
- Insiders have bought a combined $4.3M of AVBC across 86 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 6 detected cluster buys 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.