Mawer holds 1.2M Insperity (NSP) shares in passive stake

Rhea-AI Filing Summary

Mawer Investment Management Ltd. filed an amended Schedule 13G reporting beneficial ownership of 1,200,192 shares of Insperity, Inc. common stock, representing 3.18% of the outstanding class. Mawer has sole voting power over 1,194,663 shares and sole dispositive power over all 1,200,192 shares.

The filing notes that Mawer now holds 5 percent or less of Insperity’s common stock. Mawer certifies the shares were acquired and are held in the ordinary course of business, without the purpose or effect of changing or influencing control of Insperity.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 7)

Insperity, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

45778Q107

(CUSIP Number)

12/31/2025

(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)

SCHEDULE 13G

CUSIP No. 45778Q107

1

Names of Reporting Persons

Mawer Investment Management Ltd.

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

ALBERTA, CANADA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,194,663.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,200,192.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,200,192.00

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)

3.18 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: Based upon 37,704,152 shares of Common Stock of Insperity, Inc. (the "Issuer") outstanding as of October 27, 2025 as reported in the Issuer's Form 10-Q (Quarterly Report) filed with the Securities and Exchange Commission on November 4, 2025.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Insperity, Inc.
(b)	Address of issuer's principal executive offices: 19001 Crescent Springs Drive, Kingwood, Texas, 77339
Item 2.
(a)	Name of person filing: Mawer Investment Management Ltd.
(b)	Address or principal business office or, if none, residence: 600, 517 - 10th Avenue SW Calgary, Alberta, Canada T2R 0A8
(c)	Citizenship: Canada
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 45778Q107
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: 1,200,192
(b)	Percent of class: 3.18%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1,194,663
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1,200,192
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
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.

Mawer Investment Management Ltd.

Signature:	/s/ John Wilson, Portfolio Manager
Name/Title:	Mawer Investment Management Ltd.
Date:	01/23/2026

FAQ

What ownership stake in Insperity (NSP) does Mawer report?

Mawer Investment Management Ltd. reports owning 1,200,192 Insperity common shares, representing 3.18% of the outstanding class. This stake is disclosed in an amended Schedule 13G and reflects Mawer’s status as a minority, passive institutional shareholder in Insperity.

Does Mawer have voting and dispositive power over its Insperity (NSP) shares?

Mawer reports sole voting power over 1,194,663 Insperity shares and sole dispositive power over all 1,200,192 shares. It reports no shared voting or shared dispositive power, indicating centralized control of how these holdings are voted and potentially sold.

Is Mawer’s Insperity (NSP) holding considered a passive investment?

Yes. Mawer certifies the Insperity shares were acquired and are held in the ordinary course of business, not to change or influence control of the company. The filing is made on Schedule 13G, typically used by investors with a passive ownership intent.

How was Mawer’s 3.18% Insperity (NSP) ownership percentage calculated?

The 3.18% figure is based on 37,704,152 Insperity common shares outstanding as of October 27, 2025, as reported in Insperity’s Form 10-Q. Mawer’s 1,200,192 shares divided by this outstanding share count yield the reported ownership percentage.

Why does Mawer’s Insperity (NSP) filing reference ownership of 5 percent or less?

Item 5 of the filing states ownership of 5 percent or less of the class, confirming Mawer’s stake is below that threshold. This status can affect reporting requirements and signals that Mawer is not a 5% or greater beneficial owner of Insperity.

Who signed Mawer’s Schedule 13G/A for Insperity (NSP)?

The amended Schedule 13G for Insperity was signed by John Wilson, Portfolio Manager at Mawer Investment Management Ltd., on January 23, 2026. His signature certifies that the information provided about Mawer’s Insperity holdings is true, complete, and correct.