X0508 4 2023-11-20 false 0001050377 PC CONNECTION INC CNXN 0001188266 MCGRATH TIMOTHY J 730 MILFORD ROAD MERRIMACK NH 03054 false true false false President & CEO false Common Stock 2023-11-20 4 S false 12104.00 60.63 D 282176.00 D Common Stock 2023-11-21 4 S false 10590.00 61.31 D 271586.00 D Common Stock 2023-11-21 4 M false 10000.00 0.00 A 281586.00 D Common Stock 2023-11-21 4 F false 3935.00 61.11 D 277651.00 D Restricted Stock Units 2023-11-21 4 M false 10000.00 0.00 D Common Stock 10000.00 30000.00 D The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.20 to $61.00 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. The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.00 to $61.58 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. 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 2020 Stock Incentive Plan on November 21, 2022. 10,000 of the shares vested on November 21, 2023, and the remaining shares are scheduled to vest as follows: 10,000 shares annually on November 21, 2024 through November 21, 2026. /s/Timothy J. McGrath 2023-11-22