SCHEDULE 13D/A

INSIGHT ENTERPRISES INC COM

Common Stock · CUSIP: 45765U103

Event date: 2025-09-16

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• VA Partners I, LLCReported CIK 0001418812

  Shares: 2,481,739.00 · Class: 7.9%

• ValueAct Capital Master Fund, L.P.Reported CIK 0001464912

  Shares: 2,481,739.00 · Class: 7.9%

• ValueAct Capital Management, L.P.Reported CIK 0001351069

  Shares: 2,481,739.00 · Class: 7.9%

• ValueAct Capital Management, LLCReported CIK 0001351073

  Shares: 2,481,739.00 · Class: 7.9%

• ValueAct Holdings, L.P.Reported CIK 0001418814

  Shares: 2,481,739.00 · Class: 7.9%

• ValueAct Holdings II, L.P.Reported CIK 0001763309

  Shares: 2,481,739.00 · Class: 7.9%

• ValueAct Holdings GP, LLCReported CIK 0001418813

  Shares: 2,481,739.00 · Class: 7.9%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.