Blue Bird Corp

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

FORM 10-Q

For the quarterly period ended June 27, 2026

OR

For the transition period from ................................ to ...............................................

Commission File Number 001-36267

(Exact name of registrant as specified in its charter)

Delaware 46-3891989

(State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.)

3920 Arkwright Road,2nd Floor, Macon, Georgia 31210

(Address of principal executive offices and zip code)

(478)822-2801

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Yes ☒ No☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

At July 31, 2026,31,676,039 shares of the registrant’s common stock, $0.0001 par value, and 1 share of the registrant's preferred stock, no par value, having voting rights equivalent to 2,702,180 shares of the registrant's common stock, were outstanding. The preferred stock was issued in connection with an acquisition that closed on April 1, 2026. See Notes 12 and 13 of Notes to Condensed Consolidated Financial Statements (Unaudited) included in Part I, Item 1 of this Quarterly Report for a more detailed discussion of this transaction.

FORM 10-Q

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