Pertento Partners LLP - 01 Dec 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
45,862,490 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
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% 2,338,987 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