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Latest filing published 21 Aug 2026 for NB Bancorp, Inc., €37k. Read the official filing
Across 11 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Joseph P. Campanelli appears in our data through filings on NB Bancorp, Inc. shares, published by SEC (Form 4). Between 1 March 2024 and 20 August 2026, the trades on record add up to 22 filings.
Purchases make up the whole of the open-market record (19 purchases, €447k). Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. Besides market trades, the filings include 3 share grants. 2026 to date brings 11 purchases and no sales.
In size, the median ticket on the buying side is €13k. As a share of market capitalisation, the median purchase stands at 0.0003%, based on 8 purchases. Of 18 purchases, 16 formed part of a group of insiders buying within 30 days of each other. Purchases made close together by different insiders form what is called a cluster.
Most recently, on 21 August 2026, the filings show an open-market purchase worth €37k in NB Bancorp, Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 3 days. For comparison, the SEC allows two business days to file a Form 4. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
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