[Form 4] PC CONNECTION INC Insider Trading Activity

Rhea-AI Filing Summary

PC Connection, Inc. reported an equity award and related share transactions by its Sr. VP, CFO & Treasurer. On December 16, 2025, the executive received 20,000 restricted stock units (RSUs) that convert into common stock on a one-for-one basis. These RSUs were granted under the 2020 Stock Incentive Plan and will vest in equal annual installments over four years, with 25% vesting on December 16, 2026 and an additional 25% on each anniversary until fully vested.

On December 17, 2025, 5,000 RSUs from a prior award vested and were settled into common stock at a stated price of $0.00, and 1,968 shares were disposed of at $60.93. After these transactions, the executive directly owned 48,917 shares of PC Connection common stock.

Insider Trade Summary

5,000 shares exercised/converted

Mixed 4 txns

Insider Baker Thomas C

Role Sr. VP, CFO & Treasurer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	5,000	$0.00	--
Exercise	Common Stock	5,000	$0.00	--
Tax Withholding	Common Stock	1,968	$60.93	$120K
Grant/Award	Restricted Stock Units	20,000	$0.00	--

Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Common Stock — 50,885 shares (Direct)

Footnotes (1)

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

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
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^*

Baker Thomas C

(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)
	Sr. VP, CFO & Treasurer

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)	50,885	D
Common Stock	12/17/2025		F		1,968	D	$60.93	48,917	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		20,000		(2)	(2)	Common Stock	20,000	$0.00	20,000	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/ Thomas C. Baker	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).
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