Regulation FD Disclosure. Attached as Exhibit 99.1 is the transcript of the conference call to discuss the third quarter earnings of Saia, Inc. The Securities and Exchange Commission encourages companies to disclose forward-looking information so that investors can better understand the future prospects of a company and make informed investment decisions. This news release contains these types of statements, which are forward-looking within the meaning of the Private Securities Litigation Ref…

Other Events On October 29, 2026, the Company also announced that the Board approved a stock repurchase program authorizing the Company to repurchase up to $250 million of outstanding common stock. The program is effective immediately and permits shares of common stock to be repurchased from time to time at management’s discretion through a variety of methods, including a 10b5-1 trading plan, open market purchases, privately negotiated transactions, or other transactions permitted by applicab…

Director — Todd C. Fowler: The filing discloses the appointment of a new independent director to fill an expanded board seat, which is a routine governance action rather than an executive departure.

Results of Operations and Financial Condition On October 29, 2026, Saia, Inc. (the "Company") issued a press release announcing its third quarter 2026 results and authorization of a stock repurchase program. A copy of the press release is attached as Exhibit 99.1 to this Report on Form 8-K. The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or ot…

Regulation FD Disclosure. Attached as Exhibit 99.1 is the transcript of the conference call to discuss the second quarter earnings of Saia, Inc. The Securities and Exchange Commission encourages companies to disclose forward-looking information so that investors can better understand the future prospects of a company and make informed investment decisions. This news release contains these types of statements, which are forward-looking within the meaning of the Private Securities Litigation Re…

Results of Operations and Financial Condition On July 30, 2026 Saia, Inc. issued a press release announcing its second quarter 2026 results. A copy of the press release is attached as Exhibit 99.1 to this Report on Form 8-K. The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that Section and shall not…

Regulation FD Disclosure. Attached as Exhibit 99.1 is the transcript of the conference call to discuss the first quarter earnings of Saia, Inc. The Securities and Exchange Commission encourages companies to disclose forward-looking information so that investors can better understand the future prospects of a company and make informed investment decisions. This news release contains these types of statements, which are forward-looking within the meaning of the Private Securities Litigation Ref…

Results of Operations and Financial Condition On April 30, 2026 Saia, Inc. issued a press release announcing its first quarter 2026 results. A copy of the press release is attached as Exhibit 99.1 to this Report on Form 8-K. The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that Section and shall not…

Regulation FD Disclosure. Attached as Exhibit 99.1 is the transcript of the conference call to discuss the fourth quarter earnings of Saia, Inc. The Securities and Exchange Commission encourages companies to disclose forward-looking information so that investors can better understand the future prospects of a company and make informed investment decisions. This news release contains these types of statements, which are forward-looking within the meaning of the Private Securities Litigation Re…

Results of Operations and Financial Condition On February 10, 2026 Saia, Inc. issued a press release announcing its fourth quarter 2025 results. A copy of the press release is attached as Exhibit 99.1 to this Report on Form 8-K. The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that Section and shall…

Regulation FD Disclosure. Attached as Exhibit 99.1 is the transcript of the conference call to discuss the second quarter earnings of Saia, Inc. The Securities and Exchange Commission encourages companies to disclose forward-looking information so that investors can better understand the future prospects of a company and make informed investment decisions. This news release contains these types of statements, which are forward-looking within the meaning of the Private Securities Litigation Re…

Results of Operations and Financial Condition On October 30, 2025 Saia, Inc. issued a press release announcing its third quarter 2025 results. A copy of the press release is attached as Exhibit 99.1 to this Report on Form 8-K. The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that Section and shall n…

Regulation FD Disclosure. Attached as Exhibit 99.1 is the transcript of the conference call to discuss the second quarter earnings of Saia, Inc. The Securities and Exchange Commission encourages companies to disclose forward-looking information so that investors can better understand the future prospects of a company and make informed investment decisions. This news release contains these types of statements, which are forward-looking within the meaning of the Private Securities Litigation Re…

Results of Operations and Financial Condition On July 25, 2025 Saia, Inc. issued a press release announcing its second quarter 2025 results. A copy of the press release is attached as Exhibit 99.1 to this Report on Form 8-K. The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that Section and shall not…

Regulation FD Disclosure. Attached as Exhibit 99.1 is the transcript of the conference call to discuss the first quarter earnings of Saia, Inc. The Securities and Exchange Commission encourages companies to disclose forward-looking information so that investors can better understand the future prospects of a company and make informed investment decisions. This news release contains these types of statements, which are forward-looking within the meaning of the Private Securities Litigation Ref…

Results of Operations and Financial Condition On April 25, 2025 Saia, Inc. issued a press release announcing its first quarter 2025 results. A copy of the press release is attached as Exhibit 99.1 to this Report on Form 8-K. The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that Section and shall not…

Regulation FD Disclosure. Attached as Exhibit 99.1 is the transcript of the conference call to discuss the fourth quarter earnings of Saia, Inc. The Securities and Exchange Commission encourages companies to disclose forward-looking information so that investors can better understand the future prospects of a company and make informed investment decisions. This news release contains these types of statements, which are forward-looking within the meaning of the Private Securities Litigation Re…

Results of Operations and Financial Condition On February 3, 2025 Saia, Inc. issued a press release announcing its fourth quarter 2024 results. A copy of the press release is attached as Exhibit 99.1 to this Report on Form 8-K. The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that Section and shall…

Entry into a Material Definitive Agreement On December 9, 2024, Saia, Inc. (the “Company”), and certain of its subsidiaries, entered into an amendment (“Amendment No. 2”) to its credit agreement dated February 3, 2023, with JPMorgan Chase, N.A. as Administrative Agent, and the other lenders and agents party thereto, as previously amended by Amendment No. 1, dated as of October 31, 2023 (collectively, the “Credit Agreement”). Amendment No. 2 increases commitments under the Credit Agreement by…

Regulation FD Disclosure. Attached as Exhibit 99.1 is the transcript of the conference call to discuss the third quarter earnings of Saia, Inc. The Securities and Exchange Commission encourages companies to disclose forward-looking information so that investors can better understand the future prospects of a company and make informed investment decisions. This news release contains these types of statements, which are forward-looking within the meaning of the Private Securities Litigation Ref…

Results of Operations and Financial Condition On October 25, 2024 Saia, Inc. issued a press release announcing its third quarter 2024 results. A copy of the press release is attached as Exhibit 99.1 to this Report on Form 8-K. The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that Section and shall n…

Regulation FD Disclosure. Attached as Exhibit 99.1 is the transcript of the conference call to discuss the second quarter earnings of Saia, Inc. The Securities and Exchange Commission encourages companies to disclose forward-looking information so that investors can better understand the future prospects of a company and make informed investment decisions. This news release contains these types of statements, which are forward-looking within the meaning of the Private Securities Litigation Re…

Results of Operations and Financial Condition On July 26, 2024 Saia, Inc. issued a press release announcing its second quarter 2024 results. A copy of the press release is attached as Exhibit 99.1 to this Report on Form 8-K. The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities under that Section and shall not…

CFO — Matthew Batteh: The filing announces the appointment of an internal successor (Matthew Batteh) to replace a retiring CFO (Douglas L. Col), representing an orderly succession rather than a sudden loss of executive talent.

Regulation FD Disclosure. Attached as Exhibit 99.1 is the transcript of the conference call to discuss the first quarter earnings of Saia, Inc. The Securities and Exchange Commission encourages companies to disclose forward-looking information so that investors can better understand the future prospects of a company and make informed investment decisions. This news release contains these types of statements, which are forward-looking within the meaning of the Private Securities Litigation Ref…