Insight director exercises 405 NSIT RSUs

Insight Enterprises director Bruce Armstrong, through a trust, exercised 405 restricted stock units into an equal number of common shares on May 17, 2026.

Accepted by SEC EDGAR 05/19/2026 - 04:25 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Insight Enterprises director Bruce Armstrong, through a trust, exercised 405 restricted stock units into an equal number of common shares on May 17, 2026. These units were from a grant made on May 17, 2023 that vests in three equal annual installments. Following this transaction, the trust indirectly holds 14,843 common shares.

Insider Trade Summary

405 shares exercised/converted

Exercise 2 txns

Insider Armstrong Bruce

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	405	$0.00	$0.00
Exercise	Common Stock	405	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 0 contracts (Indirect, By Trust); Common Stock — 14,843 shares (Indirect, By Trust)

Holdings Before and After: Common Stock, 14,438 to 14,843 shares (Indirect, By Trust)

Footnotes (2)

1. F1. Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.
2. F2. The restricted stock units were granted on May 17, 2023 with vesting to occur in three equal annual installments beginning May 17, 2024.

Key Figures

RSUs exercised: 405 shares Shares held after transaction: 14,843 shares RSU grant date: May 17, 2023

3 metrics

RSUs exercised 405 shares Restricted stock units converted to common stock on May 17, 2026

Shares held after transaction 14,843 shares Indirect common stock holdings by trust after exercise

RSU grant date May 17, 2023 Grant vests in three equal annual installments beginning May 17, 2024

Key Terms

Restricted Stock Units, derivative security, indirect

3 terms

Restricted Stock Units financial

"The restricted stock units were granted on May 17, 2023 with vesting to occur in three equal annual installments"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

indirect financial

"ownership_type: indirect; nature_of_ownership: By Trust"

FAQ

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

What insider transaction did Bruce Armstrong report for NSIT?

Bruce Armstrong reported exercising 405 restricted stock units into 405 shares of Insight Enterprises common stock. The transaction occurred on May 17, 2026 and reflects vesting of a prior equity award rather than an open-market purchase or sale.

How many Insight Enterprises (NSIT) shares does the trust hold after this Form 4?

After the reported transaction, the trust associated with Bruce Armstrong holds 14,843 shares of Insight Enterprises common stock indirectly. This figure reflects the position following the conversion of 405 restricted stock units on May 17, 2026.

What are the terms of Bruce Armstrong’s NSIT restricted stock unit grant?

The restricted stock units were granted on May 17, 2023 and vest in three equal annual installments starting May 17, 2024. Each unit represents a contingent right to receive one share of Insight Enterprises common stock when vesting conditions are satisfied.

Are Bruce Armstrong’s NSIT shares held directly or indirectly?

The reported Insight Enterprises shares are held indirectly by a trust. The Form 4 specifies ownership as “By Trust,” indicating that the trust, rather than Armstrong personally, is the direct holder of the common stock and the related restricted stock units.

Does this NSIT Form 4 show any open-market buying or selling?

No, the filing shows an exercise of 405 restricted stock units into common stock, coded as a derivative exercise (code M). There are no open-market purchase (P) or sale (S) transactions reported in this Form 4 for Insight Enterprises.

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

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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^*

Armstrong Bruce

(Last) (First) (Middle)

2701 E INSIGHT WAY

(Street)

CHANDLER ARIZONA 85286

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
INSIGHT ENTERPRISES INC [ NSIT ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/17/2026

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	05/17/2026		M		405	A	$0	14,843	I	By Trust

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
Restricted Stock Units	(1)	05/17/2026		M		405		(2)	(2)	Common Stock	405	$0.00	0	I	By Trust

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

2. The restricted stock units were granted on May 17, 2023 with vesting to occur in three equal annual installments beginning May 17, 2024.

	Lisanne Steinheiser, by Power of Attorney, for Bruce Armstrong	05/19/2026
	** 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)