Filing Manager
Pertento Partners LLP
Reporting Manager
Pertento Partners LLP
Symbol
NBBK
Shares outstanding
45,862,490 shares
Disclosed Ownership
2,338,987 shares
Ownership
5.1%
Form type
SCHEDULE 13G/A
Filing time
05 Dec 2025, 13:00:53 UTC
Date of event
01 Dec 2025
Previous filing
11 Jun 2025

Quoteable Key Fact

"Pertento Partners LLP disclosed 5.1% ownership in NB Bancorp, Inc. Common Stock, par value $0.01 per share (NBBK) on 01 Dec 2025."

Quick Takeaways

  • Pertento Partners LLP filed SCHEDULE 13G/A for NB Bancorp, Inc. Common Stock, par value $0.01 per share (NBBK).
  • Disclosed ownership: 5.1%.
  • Date of event: 01 Dec 2025.

What Changed

  • Previous schedule filing date: 11 Jun 2025.
  • Current filing was accepted on 05 Dec 2025, 13:00.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Pertento Partners LLP 5.1% 2,338,987 0 2,338,987 By: /s/ Eduardo Marques Eduardo Marques / Managing Partner
Pertento Advisors LLC 5.1% 2,338,987 0 2,338,987 By: /s/ Eduardo Marques Eduardo Marques / Authorized Person
Eduardo Marques 5.1% 2,338,987 0 2,338,987 By: /s/ Eduardo Marques Eduardo Marques
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .