CNXN · Pc Connection Inc

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.07 to $81.06 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.07 to $81.25 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.00 to $80.99 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.90 to $79.80 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.00 to $81.57 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.46 to $74.45 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.70 to $73.26 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.60 to $72.58 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

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. Amended and Restated 2020 Stock Incentive Plan on June 30, 2022. 1,250 shares vested on June 30, 2026.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.48 to $70.57 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.48 to $70.47 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.67 to $69.62 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.71 to $70.26 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.03 to $72.02 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.03 to $72.78 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.51 to $72.50 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the David Hall Trust 2003 on March 9, 2026.

The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.52 to $72.78 per share, inclusive. The reporting person undertakes to provide PC Connection, Inc., any security holder of PC Connection, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote.

These shares are held directly by the David Hall Trust 2003, an irrevocable trust formed under the laws of the State of New Hampshire. Ms. Gallup serves as the sole trustee and is the sole beneficiary of the shares held by the David Hall Trust 2003.

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

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. Amended and Restated 2007 Stock Incentive Plan on February 13, 2018. 10,000 of the shares vested on April 1, 2026, and the remaining shares are scheduled to vest on April 1, 2027.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on March 14, 2024. 5,000 shares vested on March 14, 2026, and the remaining shares are scheduled to vest as follows; 5,000 shares annually on March 14, 2027 through March 14, 2028.

Each restricted stock unit represents a contingent right to receive one share of common stock.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on March 14, 2024. 10,000 shares vested on March 14, 2026, and the remaining shares are scheduled to vest as follows; 10,000 shares annually on March 14, 2027 through March 14, 2028.

Each restricted stock unit represents a contingent right to receive one share of common stock.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on March 14, 2024. 625 shares vested on March 14, 2026, and the remaining shares are scheduled to vest as follows; 625 shares annually on March 14, 2027 through March 14, 2028.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on March 14, 2024. 625 shares vested on March 14, 2026, and the remaining shares are scheduled to vest as follows; 625 shares annually on March 14, 2027 through March 14, 2028.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on March 14, 2024. 625 shares vested on March 14, 2026, and the remaining shares are scheduled to vest as follows; 625 shares annually on March 14, 2027 through March 14, 2028.

Each restricted stock unit represents a contingent right to receive on share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on March 14, 2024. 5,000 shares vested on March 14, 2026, and the remaining shares are scheduled to vest as follows; 5,000 shares annually on March 14, 2027 through March 14, 2028.

Each restricted stock unit represents a contingent right to receive one share of common stock.

Each restricted stock unit represents a contingent right to receive on share of common stock.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on March 14, 2024. 625 shares vested on March 14, 2026, and the remaining shares are scheduled to vest as follows; 625 shares annually on March 14, 2027 through March 14, 2028.

Each restricted stock unit represents a contingent right to receive one share of common stock.

Each restricted stock unit represents a contingent right to receive one share of common stock.

Each restricted stock unit represents a contingent right to receive one share of common stock.

Each restricted stock unit represents a contingent right to receive one share of common stock.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on March 14, 2024. 625 shares vested on March 14, 2026, and the remaining shares are scheduled to vest as follows; 625 shares annually on March 14, 2027 through March 14, 2028.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on February 10, 2025. 5,000 shares vested on February 10, 2026, and the remaining shares are scheduled to vest as follows; 5,000 shares annually on February 10, 2027 through February 10, 2029.

Each restricted stock unit represents a contingent right to receive one share of common stock.

Each restricted stock unit represents a contingent right to receive one share of common stock.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on February 10, 2025. 10,000 shares vested on February 10, 2026, and the remaining shares are scheduled to vest as follows; 10,000 shares annually on February 10, 2027 through February 10, 2029.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on February 10, 2025. 5,000 shares vested on February 10, 2026, and the remaining shares are scheduled to vest as follows; 5,000 shares annually on February 10, 2027 through February 10, 2029.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on February 10, 2025. 625 shares vested on February 10, 2026, and the remaining shares are scheduled to vest as follows; 625 shares annually on February 10, 2027 through February 10, 2029.

Each restricted stock unit represents a contingent right to receive one share of common stock.

Each restricted stock unit represents a contingent right to receive one share of common stock.

The restricted stock units were granted under the PC Connection, Inc. 2020 Stock Incentive Plan on February 10, 2025. 625 shares vested on February 10, 2026, and the remaining shares are scheduled to vest as follows; 625 shares annually on February 10, 2027 through February 10, 2029.

Each restricted stock unit represents a contingent right to receive one share of common stock.

Each restricted stock unit represents a contingent right to receive one share of common stock.