Insperity's Sean Patrick Duffy has 734 shares withheld

The reported share movements pair tax withholding tied to restricted-stock-unit vesting with dividend rights settled in common stock.

Rhea-AI Filing Summary

Insperity, Inc. (NSP) reported two direct common-stock transactions by Sean Patrick Duffy, SVP, Finance & Accounting (PAO), on October 5, 2026: 734 shares were withheld for payment of tax liability incident to vesting of a restricted stock unit award, and 187 shares were acquired as settlement of dividend rights. The dividend shares were based on the common stock’s fair market value on the dividend payable dates, with fractional amounts rounded to the nearest whole share.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Duffy Sean Patrick

Role SVP, Finance & Accounting(PAO)

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	734	$46.48	$34K
Grant/Award	Common Stock F2	187	$0.00	$0.00

Holdings After Transaction: Common Stock — 22,125 shares (Direct)

Footnotes (2)

1. F1. Payment of tax liability by withholding securities incident to the vesting of a restricted stock unit award.
2. F2. The number of shares represents the dividend rights that were settled in shares of common stock of Insperity Inc. ("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.

Key Figures

Tax-withholding shares: 734 shares Dividend-rights shares: 187 shares Reported per-share price: $46.48 per share

3 metrics

Tax-withholding shares 734 shares Withheld for tax liability on October 5, 2026

Dividend-rights shares 187 shares Settled in common stock on October 5, 2026

Reported per-share price $46.48 per share Tax-withholding transaction on October 5, 2026

Key Terms

restricted stock unit award, fair market value, dividend rights

3 terms

restricted stock unit award financial

"vesting of a restricted stock unit award"

A restricted stock unit award is a promise by a company to give an employee a specified number of company shares at a future date if certain conditions are met, such as staying with the company or hitting performance goals. For investors, these awards matter because they can increase the total number of shares outstanding when converted, diluting existing holders, and they align employees’ incentives with shareholders’ interests much like giving a rising bonus that becomes real only after conditions are satisfied.

fair market value financial

"based on the fair market value of the Common Stock"

The price a willing buyer and a willing seller would agree on for an asset or security when neither is under pressure and both have access to the same information. Think of it as the market’s neutral estimate of what something is worth, like the price two neighbors would settle on for a car after comparing similar listings. Investors care because fair market value guides buying and selling decisions, tax reporting, portfolio valuation, and how accurately company assets are reflected in financial statements.

dividend rights financial

"dividend rights that were settled in shares"

Dividend rights are a shareholder’s entitlement to receive a portion of a company’s profits when the board declares a payout, similar to having a ticket that lets you take a slice of a shared pie. These rights determine who gets paid, how much and in what order (different share classes can have priority), so they matter to investors because they affect expected income, trade value and how quickly cash returns to owners.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many NSP shares did Sean Patrick Duffy have withheld?

Sean Patrick Duffy, Insperity’s SVP, Finance & Accounting (PAO), had 734 common shares withheld on October 5, 2026, for payment of tax liability incident to vesting of a restricted stock unit award. The reported per-share price was $46.48.

Why did Sean Patrick Duffy acquire 187 NSP shares?

Sean Patrick Duffy acquired 187 common shares on October 5, 2026, representing dividend rights settled in stock. The share count was based on the common stock’s fair market value on the dividend payable dates, and fractional amounts were rounded to the nearest whole share.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/06/2026 - 05:19 PM Accepted by SEC EDGAR 10/06/2026 - 05:19 PM Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

Duffy Sean Patrick

(Last) (First) (Middle)

19001 CRESCENT SPRINGS DRIVE

(Street)

KINGWOOD TEXAS 77339

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	SVP, Finance & Accounting(PAO)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/05/2026

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

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

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

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	10/05/2026		F(1)		734	D	$46.48	21,938	D
Common Stock	10/05/2026		A(2)		187	A	$0	22,125	D

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

2. The number of shares represents the dividend rights that were settled in shares of common stock of Insperity Inc. ("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.

	/s/ Christian P. Callens, by Power of Attorney	10/06/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)