SCHEDULE 13G

SAIA INC COM

Common Stock, par value $0.001 per share · CUSIP: 78709Y105

Event date: 2025-09-03

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

• VIKING GLOBAL INVESTORS LP

  Shares: 1,337,356 · Class: 5.02%

• VIKING GLOBAL PERFORMANCE LLC

  Shares: 867,289 · Class: 3.3%

• Viking Global Equities II LP

  Shares: 17,345 · Class: 0.1%

• Viking Global Equities Master Ltd.

  Shares: 849,944 · Class: 3.2%

• Viking Long Fund GP LLC

  Shares: 336,508 · Class: 1.3%

• Viking Long Fund Master Ltd.

  Shares: 336,508 · Class: 1.3%

• Viking Global Opportunities Parent GP LLC

  Shares: 133,559 · Class: 0.5%

• Viking Global Opportunities GP LLC

  Shares: 133,559 · Class: 0.5%

• Viking Global Opportunities Portfolio GP LLC

  Shares: 133,559 · Class: 0.5%

• Viking Global Opportunities Liquid Portfolio Sub-Master LP

  Shares: 133,559 · Class: 0.5%

• HALVORSEN OLE ANDREAS

  Shares: 1,337,356 · Class: 5.02%

• Ott David C.

  Shares: 1,337,356 · Class: 5.02%

• Shabet Rose Sharon

  Shares: 1,337,356 · Class: 5.02%

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