[Form 4] PC CONNECTION INC Insider Trading Activity

PC Connection, Inc. reported insider equity activity by its President and CEO, Timothy J. McGrath.

Rhea-AI Filing Summary

PC Connection, Inc. reported insider equity activity by its President and CEO, Timothy J. McGrath. On December 16, 2025, he received 40,000 restricted stock units (RSUs) under the company’s 2020 Stock Incentive Plan. These RSUs vest in four equal annual installments, with 25% vesting on December 16, 2026 and additional 25% installments on each anniversary until fully vested.

On December 17, 2025, 5,000 RSUs from a prior 2021 grant vested and were converted into common stock at an exercise price of $0.00. On the same date, 1,968 shares of common stock were disposed of at $60.93 per share, indicated as a tax withholding transaction. After these transactions, McGrath directly owned 270,683 shares of PC Connection common stock.

Insider Trade Summary

5,000 shares exercised/converted

Exercise 4 txns

Insider MCGRATH TIMOTHY J

Role President & CEO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	5,000	$0.00	$0.00
Exercise	Common Stock	5,000	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,968	$60.93	$120K
Grant/Award	Restricted Stock Units	40,000	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 40,000 contracts (Direct); Common Stock — 270,683 shares (Direct)

Footnotes (3)

1. F1. The restricted stock units convert into common stock on a one-for-one basis.
2. F2. The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on December 16, 2025 and will vest in equal annual installments over a four-year period, with the first 25% of the restricted stock units vesting on December 16, 2026 and an additional 25% vesting on each anniversary thereafter until fully vested.
3. F3. The restricted stock units were granted under the PC Connection, Inc. Amended and Restated 2020 Stock Incentive Plan on December 17, 2021; 5,000 of the shares vested on December 17, 2025.

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Accepted by SEC EDGAR 12/18/2025 - 04:06 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^*

MCGRATH TIMOTHY J

(Last) (First) (Middle)

730 MILFORD ROAD

(Street)

MERRIMACK NH 03054

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PC CONNECTION INC [ CNXN ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/16/2025

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	12/17/2025		M		5,000	A	$0.00(1)	272,651	D
Common Stock	12/17/2025		F		1,968	D	$60.93	270,683	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
Restricted Stock Units	(1)	12/16/2025		A		40,000		(2)	(2)	Common Stock	40,000	$0.00	40,000	D
Restricted Stock Units	(1)	12/17/2025		M			5,000	(3)	(3)	Common Stock	5,000	$0.00	0.00	D

Explanation of Responses:

1. The restricted stock units convert into common stock on a one-for-one basis.

2. The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on December 16, 2025 and will vest in equal annual installments over a four-year period, with the first 25% of the restricted stock units vesting on December 16, 2026 and an additional 25% vesting on each anniversary thereafter until fully vested.

3. The restricted stock units were granted under the PC Connection, Inc. Amended and Restated 2020 Stock Incentive Plan on December 17, 2021; 5,000 of the shares vested on December 17, 2025.

Remarks:

	/s/Timothy J. McGrath	12/18/2025
	** 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.