Pertento Partners LLP - Dec 1, 2025 SCHEDULE 13G/A Report for NB Bancorp, Inc. Common Stock, par value $0.01 per share (NBBK)

Filing Manager
Pertento Partners LLP
Reporting Manager
Pertento Partners LLP
Security
NB Bancorp, Inc. Common Stock, par value $0.01 per share
Symbol
NBBK
Shares outstanding
45.9M shares
Disclosed Ownership
2.34M shares
Ownership
5.1%
Form type
SCHEDULE 13G/A
Date filed
12/5/2025, 01:00 PM
Date of event
Dec 1, 2025
Previous filing
Jun 11, 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Pertento Partners LLP 5.1% 2.34M 0 2.34M By: /s/ Eduardo Marques Eduardo Marques / Managing Partner
Pertento Advisors LLC 5.1% 2.34M 0 2.34M By: /s/ Eduardo Marques Eduardo Marques / Authorized Person
Eduardo Marques 5.1% 2.34M 0 2.34M By: /s/ Eduardo Marques Eduardo Marques