SAIA INC

For the period ended Sep 30, 2025. Filed Oct 30, 2025.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Oct 30, 2025

SAIA$342.00+3.0%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

Exhibit
Number	Description of Exhibit
3.1	Second Amended and Restated Certificate of Incorporation of Saia, Inc. (incorporated herein by reference to Exhibit 3.1 of Saia, Inc.’s Form 8-K (File No. 0-49983) filed on May 1, 2024).
3.2	Amended and Restated By-laws of Saia, Inc. (incorporated herein by reference to Exhibit 3.1 of Saia, Inc.’s Form 8-K (File No. 0-49983) filed on July 29, 2008).
31.1	Certification of Principal Executive Officer Pursuant to Exchange Act Rule 13a-15(e).
31.2	Certification of Principal Financial Officer Pursuant to Exchange Act Rule 13a-15(e).
32.1	Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101	The following financial information from Saia, Inc.’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, formatted in iXBRL (Inline Extensible Business Reporting Language) includes: (i) Condensed Consolidated Balance Sheets as of September 30, 2025 and December 31, 2024 (unaudited), (ii) Condensed Consolidated Statements of Operations for the quarters and nine months ended September 30, 2025 and 2024 (unaudited), (iii) Consolidated Statements of Stockholders’ Equity for the quarters ended September 30, 2025 and 2024 (unaudited), (iv) Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2025 and 2024 (unaudited), and (v) the Notes to Condensed Consolidated Financial Statements (unaudited). XBRL Instance Document – the XBRL Instance Document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
104	The cover page from Saia’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, formatted in Inline XBRL (included as Exhibit 101).

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