Summary
Latest filing:
Nicolas Karmelek is EVP and CRO of Avidia Bancorp, Inc. (AVBC). 4 SEC Form 4 filings on record going back to 2025, most recently on 30 July 2026. Most recent open-market trade: bought $363 of AVBC on 30 July 2026. Lifetime open-market purchases: $421K. Historical track record: 3/5 stars across 6 tracked purchases.
Recent Transactions
6Every recent SEC Form 4 transaction Nicolas Karmelek has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Nicolas Karmelek files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Robert D. Cozzone - $450K of AVBC open-market activity in the last 12 months
- Michael Dennis Murphy - $400K of AVBC open-market activity in the last 12 months
- Barry H. Jensen - $342K of AVBC open-market activity in the last 12 months
- Jonathan Michael Nelson - $220K of AVBC open-market activity in the last 12 months
- Joseph F. Grimaldo - $210K of AVBC open-market activity in the last 12 months
- James N. Ball - $184K of AVBC open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Nicolas Karmelek?
Nicolas Karmelek is a corporate insider, tracked as EVP and CRO of Avidia Bancorp, Inc. (AVBC). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Nicolas Karmelek submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Nicolas Karmelek been buying or selling stock?
Recorded transactions: 6 open-market purchases ($421K) and 0 open-market sales across all tracked filings.
How accurate is Nicolas Karmelek's historical track record?
Across 6 tracked purchases, Nicolas Karmelek averaged +2.5% avg 30-day return with a 83% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
Where can I see all of Nicolas Karmelek's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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