Other Information.
−Removed: (c) On March 4, 2026, Razvan Radulescu, the Company's Chief Financial Officer, entered into a new trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act, providing for the sale of up to 9,400 shares of the Company's common stock.
−Removed: Pursuant to this plan, Mr.
−Removed: Radulescu may sell shares beginning December 10, 2026 and ending December 15, 2026.
−Removed: During the second quarter of fiscal 2026, none of the Company's other directors or officers adopted or terminated any "Rule 10b5-1 trading arrangement" or any "non-Rule 10b5-1 trading arrangement," as each term is defined in Item 408 of Regulation S-K.
+Added: (c) During the third quarter of fiscal 2026, none of the Company's directors or officers adopted or terminated any "Rule 10b5-1 trading arrangement" or any "non-Rule 10b5-1 trading arrangement," as each term is defined in Item 408 of Regulation S-K.
The following Exhibits are filed with this Report:
−Removed: 2.1 Share Purchase Agreement dated as of February 15, 2026, by and among Blue Bird Corporation, by and through its wholly-owned subsidiary, Blue Bird Body Company, and (i) the AG 2014 Trust, the SG One 2014 Trust, and the DG One 2014 Trust and (ii) Groupe Autobus Girardin Ltée and Girardin Minibus JV 2 Inc.
−Removed: (the schedules and exhibits have been omitted pursuant to Item 601(a)(5) of Regulation S-K.
−Removed: The Company undertakes to include supplemental copies of any of the omitted exhibit or schedules upon request by the SEC) (incorporated by reference to Exhibit 2.
−Removed: 1 to the registrant’s Current Report on Form 8-K, filed by the registrant with the SEC on February 17, 2026).
−Removed: 2.2 Form of Exchange and Support Agreement by and among Groupe Autobus Girardin Ltée, Blue Bird Corporation, MB CallCo Inc.
−Removed: and MB ExchangeCo Inc (incorporated by reference to Exhibit 2.
−Removed: 2 to the registrant’s Current Report on Form 8-K, filed by the registrant with the SEC on February 17, 2026).
−Removed: 2.3 Form of Board Election Agreement by and between Blue Bird Corporation and Groupe Autobus Girardin Ltée (incorporated by reference to Exhibit 2.3 to the registrant’s Current Report on Form 8-K, filed by the registrant with the SEC on February 17, 2026 ) .
+Added: 2.1 Asset Purchase Agreement dated August 3, 2026, by and among Blue Bird Body Company (“BBBC”), Detroit Chassis, LLC, and Spectra LMP, LLC (the schedules and exhibits have been omitted pursuant to Item 601(a)(5) of Regulation S-K.
+Added: The Company undertakes to include supplemental copies of any of the omitted exhibit or schedules upon request by the SEC).
+Added: (incorporated by reference to Exhibit 2.1 to the registrant’s Current Report on Form 8-K, filed by the registrant with the SEC on August 5 , 2026).
3.1 The registrant’s Second Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to the registrant’s Current Report on Form 8-K, filed by the registrant with the SEC on February 26, 2015).
−Removed: Certificate of Amendment (dated March 11, 2026) to registrant’s Second Amended and Restated Certificate of Incorporation .
+Added: 3.2 Certificate of Amendment (dated March 11, 2026) to registrant’s Second Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.2 to the registrant’s Quarterly Report on Form 10-Q filed by the registrant with the SEC on Ma y 6 , 2026).
3.3 Certificate of Designation of Special Voting Preferred Stock (incorporated by reference to Exhibit 3.1 to the registrant’s Current Report on Form 8-K, filed by the registrant with the SEC on April 2, 2026).
3.4 The registrant's Bylaws, as amended, effective February 2, 2023 (incorporated by reference to Exhibit 3.2 to the registrant's Current Report on Form 8-K, filed by the registrant with the SEC on February 3, 2023).
−Removed: Blue Bird Corporation Amended and Restated 2015 Omnibus Equity Incentive Plan, effective November 21, 2025 .
−Removed: Employment Agreement effective January 1, 2026, between Jeff Sanfrey and Blue Bird Corporation.
+Added: 10.1* Two-Insurer Buyout Commitment Agreement between Pacific Life Insurance Company, Pacific Life and Annuity Company and Blue Bird Body Company, effective May 12, 2026.
+Added: 10.2 Master Collaboration Agreement dated as of July 31, 2026, between Ford Motor Company and Blue Bird Body Company.
+Added: Portions of this exhibit have been omitted pursuant to Item 601(b)(10)(iv) of Regulation S-K (incorporated by reference to Exhibit 10.1 to the registrant's Current Report on Form 8-K, filed by the registrant with the SEC on August 5, 2026).
31.1* Chief Executive Officer’s Certification Pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934.
16 unchanged sentences
* Filed herewith.
−Removed: † Management contract or compensatory plan or arrangement.
In accordance with Regulation S-T, XBRL (Extensible Business Reporting Language) related information in Exhibit No.
2 unchanged sentences
Blue Bird Corporation
−Removed: May 6, 2026 /s/ John Wyskiel
+Added: August 5, 2026 /s/ John Wyskiel
President and Chief Executive Officer
−Removed: May 6, 2026 /s/ Razvan Radulescu
+Added: August 5, 2026 /s/ Razvan Radulescu
Razvan Radulescu
1 unchanged sentence
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.