Insperity (NSP) COO reports stock grants and tax share withholdings

Rhea-AI Filing Summary

Insperity, Inc. President and COO Arthur A. Arizpe reported stock-based compensation activity in Insperity common stock. On March 2 and 3, he acquired multiple stock awards, including grants of 13,200, 570, and 319 shares at no cost, reflecting restricted stock units and dividend-related rights granted under company incentive plans.

On the same dates, shares totaling 2,029 and 282 were withheld to cover tax liabilities tied to these awards, a non–open-market disposition. After these direct transactions, he held about 95,836 shares directly. Separately, 102,558 shares are owned indirectly by S.C.A. Legacy, Ltd., which is controlled by Arizpe Management, LLC; Mr. Arizpe may be deemed to beneficially own those shares.

Insider Trade Summary

6 transactions reported

Mixed 6 txns

Insider ARIZPE ARTHUR A

Role President and COO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	319	$0.00	--
Tax Withholding	Common Stock	282	$21.13	$6K
Grant/Award	Common Stock	13,200	$0.00	--
Tax Withholding	Common Stock	2,029	$22.21	$45K
Grant/Award	Common Stock	570	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 96,118 shares (Direct); Common Stock — 102,558 shares (Indirect, By S.C.A Legacy, Ltd.)

Footnotes (1)

1. Award of restricted stock units pursuant to the Insperity, Inc. Incentive Plan, as amended and restated effective May 22, 2023, and as subsequently amended. Units vest in annual increments of one-third beginning on the first anniversary of the award. Each restricted stock unit represents a right to receive one share of Insperity, Inc. common stock ("Common Stock") upon vesting. Payment of tax liability by withholding securities incident to the vesting of a restricted stock unit awards. The number of shares represents the dividend rights that were settled in shares of Common Stock based on the fair market value of the Common Stock on the dividend payable dates. Fractional amounts have been rounded to the nearest whole number. The number of shares represents the cash value of dividend rights that were settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately preceding the settlement date. Payment of tax liability by withholding securities incident to the settlement of the three-year performance period awards that were granted under the Long-Term Incentive Plan, following the recent final certification of the achievement of the performance conditions by the Compensation Committee. These shares are owned directly by S.C.A. Legacy, Ltd., which is controlled by Arizpe Management, LLC. Mr. Arizpe, by virtue of his position as Manager of Arizpe Management, may be deemed to beneficially own these shares.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

ARIZPE ARTHUR A

(Last) (First) (Middle)

19001 CRESCENT SPRINGS DRIVE

(Street)

KINGWOOD TX 77339

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
INSPERITY, INC. [ NSP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and COO

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/02/2026		A(1)		13,200	A	$0	97,258	D
Common Stock	03/02/2026		F(2)		2,029	D	$22.21	95,229	D
Common Stock	03/02/2026		A(3)		570	A	$0	95,799	D
Common Stock	03/03/2026		A(4)		319	A	$0	96,118	D
Common Stock	03/03/2026		F(5)		282	D	$21.13	95,836	D
Common Stock								102,558	I	By S.C.A Legacy, Ltd.(6)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Award of restricted stock units pursuant to the Insperity, Inc. Incentive Plan, as amended and restated effective May 22, 2023, and as subsequently amended. Units vest in annual increments of one-third beginning on the first anniversary of the award. Each restricted stock unit represents a right to receive one share of Insperity, Inc. common stock ("Common Stock") upon vesting.

2. Payment of tax liability by withholding securities incident to the vesting of a restricted stock unit awards.

3. The number of shares represents the dividend rights that were settled in shares of Common Stock based on the fair market value of the Common Stock on the dividend payable dates. Fractional amounts have been rounded to the nearest whole number.

4. The number of shares represents the cash value of dividend rights that were settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately preceding the settlement date.

5. Payment of tax liability by withholding securities incident to the settlement of the three-year performance period awards that were granted under the Long-Term Incentive Plan, following the recent final certification of the achievement of the performance conditions by the Compensation Committee.

6. These shares are owned directly by S.C.A. Legacy, Ltd., which is controlled by Arizpe Management, LLC. Mr. Arizpe, by virtue of his position as Manager of Arizpe Management, may be deemed to beneficially own these shares.

	/s/ Christian P. Callens, by Power of Attorney	03/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transactions did NSP executive Arthur Arizpe report on this Form 4?

Arthur Arizpe reported stock-based compensation activity, including grants of restricted stock units and dividend-related shares, plus share withholdings for tax liabilities. These transactions involved Insperity common stock awards on March 2 and 3 and did not reflect open-market buying or selling.

How many Insperity (NSP) shares did Arthur Arizpe acquire through awards?

Arizpe acquired several Insperity common stock awards, including grants of 13,200, 570, and 319 shares at no purchase price. These represented restricted stock units and dividend-equivalent rights issued under company incentive and long-term incentive plans, vesting over time based on plan terms.

Why were some Insperity (NSP) shares disposed of in Arthur Arizpe’s Form 4?

Shares totaling 2,029 and 282 were disposed of to satisfy tax liabilities tied to vesting and settlement of stock-based awards. This was done by withholding shares rather than selling them on the open market, as described in the filing’s tax-withholding footnotes.

What is Arthur Arizpe’s direct Insperity (NSP) share ownership after these transactions?

Following the reported grants and tax-withholding dispositions, Arizpe held approximately 95,836 Insperity common shares directly. This figure reflects his updated direct ownership after the March 2 and March 3 stock award activity and related share withholdings for taxes.

What indirect Insperity (NSP) holdings related to Arthur Arizpe are disclosed?

The filing notes 102,558 Insperity shares are owned by S.C.A. Legacy, Ltd., which is controlled by Arizpe Management, LLC. As Manager of Arizpe Management, Arthur Arizpe may be deemed to beneficially own these indirectly held shares, according to the disclosure footnote.

Are Arthur Arizpe’s NSP transactions open-market purchases or sales?

The reported transactions are stock awards and tax-related withholdings, not open-market trades. Awards were granted at no cost under company incentive plans, while share dispositions were to cover tax liabilities arising from vesting and settlement of restricted stock and performance-based awards.