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BlackRock, Inc. reports beneficial ownership of common stock of NPK International Inc. on an amended Schedule 13G. BlackRock and certain of its business units beneficially own 7,107,308 shares of NPK International common stock, representing 8.4% of the outstanding class.
BlackRock has sole voting power6,934,554 shares and sole dispositive power7,107,308 shares, with no shared voting or dispositive power. The reported holdings reflect only the securities beneficially owned, or deemed to be beneficially owned, by specified reporting business units of BlackRock; other BlackRock business units may hold securities that are disaggregated.
Various underlying clients and investors have rights to receive dividends or sale proceeds from these shares, but no single person has an interest exceeding 5% of NPK International’s total outstanding common shares.
Key Figures
Beneficial ownership:7,107,308 sharesOwnership percentage:8.4%Sole voting power:6,934,554 shares+3 more
6 metrics
Beneficial ownership7,107,308 sharesCommon stock of NPK International Inc. beneficially owned by BlackRock business units
Ownership percentage8.4%Percent of NPK International common stock class beneficially owned
Sole voting power6,934,554 sharesShares of NPK International over which BlackRock has sole voting power
Sole dispositive power7,107,308 sharesShares of NPK International over which BlackRock has sole dispositive power
More-than-5% client interests0 personsNo single person has more than 5% of NPK outstanding common shares via these holdings
Amendment numberAmendment No. 17Amendment number of the Schedule 13G filed for NPK International
Key Terms
beneficially owned, sole voting power, sole dispositive power, Schedule 13G, +1 more
5 terms
beneficially ownedfinancial
"reflects the securities beneficially owned, or deemed to be beneficially owned, by certain"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
sole voting powerfinancial
"Sole Voting Power 6,934,554.00 6 | Shared Voting Power 0.00"
Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.
sole dispositive powerfinancial
"Sole Dispositive Power 7,107,308.00 8 | Shared Dispositive Power 0.00"
Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.
Schedule 13Gregulatory
"Ownership of more than 5 Percent on Behalf of Another Person."
A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.
Power of Attorneyregulatory
"Exhibit 24: Power of Attorney Exhibit 99: Item 7"
A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What percentage of NPKI common stock does BlackRock currently beneficially own?
BlackRock beneficially owns 8.4% of NPK International Inc.’s common stock. This corresponds to 7,107,308 shares reported as beneficially owned by certain BlackRock business units under the Schedule 13G/A filing.
How many NPKI shares does BlackRock have sole voting power over?
BlackRock has sole voting power over 6,934,554 shares of NPK International Inc. common stock. It reports no shared voting power in this Schedule 13G/A amendment.
How many NPKI shares can BlackRock solely dispose of?
BlackRock reports sole dispositive power over 7,107,308 shares of NPK International Inc. common stock. It has no shared dispositive power, meaning these shares can be directed or sold solely by the reporting business units.
Do any single BlackRock clients hold more than 5% of NPKI shares?
No single client holds more than 5% of NPK International’s outstanding common shares. Various persons may receive dividends or sale proceeds, but each individual interest remains below the 5% threshold.
Which entity is the reporting person for this NPKI Schedule 13G/A?
The reporting person is BlackRock, Inc., a Delaware corporation. The report aggregates securities beneficially owned by specified BlackRock subsidiaries and business units, as permitted under SEC Release No. 34-39538.
Who signed the Schedule 13G/A for BlackRock regarding NPKI?
The Schedule 13G/A was signed by Spencer Fleming, identified as a Managing Director at BlackRock, Inc., pursuant to a Power of Attorney referenced as Exhibit 24.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 17)
NPK International Inc.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
651718504
(CUSIP Number)
06/30/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
651718504
1
Names of Reporting Persons
BlackRock, Inc.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
6,934,554.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
7,107,308.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
7,107,308.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
8.4 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
NPK International Inc.
(b)
Address of issuer's principal executive offices:
9320 LAKESIDE BOULEVARD, SUITE 100 THE WOODLANDS TX 77381
Item 2.
(a)
Name of person filing:
BlackRock, Inc.
In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the "Reporting Business Units") of BlackRock, Inc. and its subsidiaries and affiliates. It does not include securities, if any, beneficially owned by other business units whose beneficial ownership of securities are disaggregated from that of the Reporting Business Units in accordance with such release.
(b)
Address or principal business office or, if none, residence:
BlackRock, Inc., 50 Hudson Yards New York, NY 10001
(c)
Citizenship:
See Item 4 of Cover Page
(d)
Title of class of securities:
Common Stock
(e)
CUSIP No.:
651718504
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
7107308
(b)
Percent of class:
8.4 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
6934554
(ii) Shared power to vote or to direct the vote:
0
(iii) Sole power to dispose or to direct the disposition of:
7107308
(iv) Shared power to dispose or to direct the disposition of:
0
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
Various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the common stock of NPK International Inc.. No one person's interest in the common stock of NPK International Inc. is more than five percent of the total outstanding common shares.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
See Exhibit 99
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
