Ameriprise Financial Inc - Sep 30, 2025 SCHEDULE 13G/A Report for NPK International Inc. Common Stock (NPKI)

Filing Manager
AMERIPRISE FINANCIAL INC
Reporting Manager
Ameriprise Financial, Inc.
Security
NPK International Inc. Common Stock
Symbol
NPKI
Shares outstanding
84.6M shares
Disclosed Ownership
5.25M shares
Ownership
6.2%
Form type
SCHEDULE 13G/A
Date filed
11/14/2025, 10:09 AM
Date of event
Sep 30, 2025
Previous filing
May 15, 2025
SEC
View on sec.gov

Reporting Managers (8)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Ameriprise Financial, Inc. 6.2% 5.25M 0 5.24M /s/ Michael G. Clarke Michael G. Clarke, President, North America Head of Operations & Investor Services
TAM UK International Holdings Limited 5.8% 4.86M 0 4.86M /s/ Michael G. Clarke By: Columbia Mgmt Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke SVP, North America Head of Operations & Investor Services
Threadneedle Holdings Limited 5.8% 4.86M 0 4.86M /s/ Michael G. Clarke By: Columbia Mgmt Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke SVP, North America Head of Operations & Investor Services
TAM UK Holdings Limited 5.8% 4.86M 0 4.86M /s/ Michael G. Clarke By: Columbia Mgmt Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke SVP, North America Head of Operations & Investor Services
Threadneedle Asset Management Holdings Limited 5.8% 4.86M 0 4.86M /s/ Michael G. Clarke By: Columbia Mgmt Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke SVP, North America Head of Operations & Investor Services
TC Financing Ltd 5.8% 4.86M 0 4.86M /s/ Michael G. Clarke By: Columbia Mgmt Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke SVP, North America Head of Operations & Investor Services
Threadneedle Asset Management Limited 5.8% 4.86M 0 4.86M /s/ Michael G. Clarke By: Columbia Mgmt Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke SVP, North America Head of Operations & Investor Services
Threadneedle Investment Services Limited 5.8% 4.86M 0 4.86M /s/ Michael G. Clarke By: Columbia Mgmt Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke SVP, North America Head of Operations & Investor Services