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Blue Bird (BLBD) 10K Form and Latest SEC Filings 2026

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Latest Blue Bird SEC Filings & Recent Activity

Blue Bird (NASDAQ:BLBD) has submitted 416+ documents to the U.S. Securities and Exchange Commission (SEC) since 2017. For investors, these filings are the primary source of verified financial data — covering everything from annual revenue and debt levels in the 10-K, to material business events in 8-K current reports, to insider buying and selling activity in Form 4 disclosures. Key figures from these filings, including revenue, earnings, and cash flow, are summarized in Blue Bird's financial statements. The most recent filing was a Form S-8 submitted on May 6, 2026.

Form 4
Blue Bird Corp Reports Ownership Change on Apr. 9, 2026

Form 4 filings disclose changes in stock ownership by company insiders, including purchases, sales, grants, and option exercises.

View insider ownership

8-K
Blue Bird Files Current Report on May. 6, 2026

An 8-K is filed when a material corporate event occurs, such as an acquisition, leadership change, or financial update.

View filing

10-Q
Blue Bird Files Quarterly Report on May. 6, 2026

The 10-Q contains Blue Bird's unaudited quarterly financial statements, revenue, earnings updates, and cash flow changes between annual reports.

View earnings history

Blue Bird SEC Filing History

Browse Blue Bird's complete SEC filing history using the filters below. Filter by form type - 10-K, 10-Q, 8-K, Form 4, and more - or set a custom date range to find a filing.

DateFilerForm TypeView
05/06/2026 3:29 PM
Blue Bird (1589526) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/06/2026 3:37 PM
Blue Bird (1589526) Filer
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
05/06/2026 3:19 PM
Blue Bird (1589526) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/06/2026 10:06 AM
Blue Bird (1589526) Subject
FMR LLC (315066) Filed by
Form SCHEDULE 13G/A
05/04/2026 3:50 PM
Blue Bird (1589526) Filer
Form 8-K/A
04/09/2026 3:37 PM
Blue Bird (1589526) Issuer
Girardin Steve (2127543) Reporting
Form 3
Initial statement of beneficial ownership of securities  
04/09/2026 3:41 PM
Blue Bird (1589526) Issuer
Girardin Steve (2127543) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/08/2026 4:02 PM
Blue Bird (1589526) Subject
Groupe Autobus Girardin Ltee (2127306) Filed by
Form SCHEDULE 13D
04/02/2026 8:56 PM
Blue Bird (1589526) Issuer
Penn Kevin S. (1626076) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 2:01 PM
Blue Bird (1589526) Issuer
Fream Julie A (1486034) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 2:03 PM
Blue Bird (1589526) Issuer
Grimm Douglas J. (1626219) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 2:04 PM
Blue Bird (1589526) Issuer
Hightower Edward T. (1894132) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 2:05 PM
Blue Bird (1589526) Issuer
Newman Simon J (1980199) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 2:09 PM
Blue Bird (1589526) Issuer
Thau Daniel Mark (2047774) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 2:00 PM
Blaufuss Mark (1625944) Reporting
Blue Bird (1589526) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/02/2026 8:21 AM
Blue Bird (1589526) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/26/2026 3:41 PM
Blue Bird (1589526) Subject
VANGUARD GROUP INC (102909) Filed by
Form SCHEDULE 13G/A
03/11/2026 10:34 AM
Blue Bird (1589526) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/05/2026 9:44 AM
Blue Bird (1589526) Issuer
Sanfrey Jeffrey Scott (2094766) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/04/2026 2:33 PM
Blue Bird (1589526) Subject
Sanfrey Jeffrey Scott (2094766) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/20/2026 8:24 AM
Blue Bird (1589526) Subject
Radulescu Razvan (1884757) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/17/2026 6:51 AM
Blue Bird (1589526) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/13/2026 9:14 AM
AMERICAN CENTURY INVESTMENT MANAGEMENT INC (52388) Filed by
Blue Bird (1589526) Subject
Form SCHEDULE 13G
02/05/2026 12:16 PM
Blue Bird (1589526) Subject
FMR LLC (315066) Filed by
Form SCHEDULE 13G/A
02/04/2026 3:28 PM
Blue Bird (1589526) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/04/2026 3:31 PM
Blue Bird (1589526) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
01/26/2026 5:16 AM
Blue Bird (1589526) Filer
Form DEF 14A
01/26/2026 5:17 AM
Blue Bird (1589526) Filer
Form DEFA14A
01/15/2026 3:25 PM
Blue Bird (1589526) Filer
Form PRE 14A
12/29/2025 3:15 PM
Blue Bird (1589526) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/17/2025 2:50 PM
Blue Bird (1589526) Issuer
Radulescu Razvan (1884757) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/17/2025 7:53 AM
Blue Bird (1589526) Subject
Radulescu Razvan (1884757) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/16/2025 1:12 PM
Blue Bird (1589526) Issuer
Horlock Phil (1579477) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/16/2025 1:12 PM
Blue Bird (1589526) Issuer
Radulescu Razvan (1884757) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/16/2025 1:12 PM
Blue Bird (1589526) Issuer
Scartz Ted (1929771) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/16/2025 1:13 PM
Blue Bird (1589526) Issuer
Sanfrey Jeffrey Scott (2094766) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/12/2025 3:35 PM
Blue Bird (1589526) Subject
Horlock Phil (1579477) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/10/2025 4:37 PM
Blue Bird (1589526) Issuer
Radulescu Razvan (1884757) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/10/2025 10:06 AM
Blue Bird (1589526) Subject
Radulescu Razvan (1884757) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/05/2025 8:28 AM
Blue Bird (1589526) Issuer
Thau Daniel Mark (2047774) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/04/2025 1:32 PM
Blue Bird (1589526) Issuer
Wyskiel John (2055903) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
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12/04/2025 1:32 PM
Blue Bird (1589526) Issuer
Radulescu Razvan (1884757) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/04/2025 1:33 PM
Blue Bird (1589526) Issuer
Scartz Ted (1929771) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/04/2025 1:34 PM
Blue Bird (1589526) Issuer
Sanfrey Jeffrey Scott (2094766) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
11/24/2025 3:32 PM
Blue Bird (1589526) Filer
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
11/24/2025 3:26 PM
Blue Bird (1589526) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/05/2025 10:26 AM
Blue Bird (1589526) Subject
FMR LLC (315066) Filed by
Form SCHEDULE 13G/A
10/31/2025 2:02 PM
Blue Bird (1589526) Issuer
Sanfrey Jeffrey Scott (2094766) Reporting
Form 3
Initial statement of beneficial ownership of securities  
10/30/2025 1:57 PM
Blue Bird (1589526) Subject
VANGUARD GROUP INC (102909) Filed by
Form SCHEDULE 13G/A
10/24/2025 3:20 PM
Blue Bird (1589526) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/15/2025 1:45 PM
Blue Bird (1589526) Issuer
Horlock Phil (1579477) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
09/03/2025 8:56 AM
Blue Bird (1589526) Issuer
Radulescu Razvan (1884757) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
09/02/2025 10:16 AM
Blue Bird (1589526) Issuer
Horlock Phil (1579477) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
09/02/2025 9:42 AM
Blue Bird (1589526) Subject
Radulescu Razvan (1884757) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/19/2025 11:05 AM
Blue Bird (1589526) Issuer
Horlock Phil (1579477) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
08/15/2025 7:42 AM
Blue Bird (1589526) Issuer
Horlock Phil (1579477) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2025 9:20 AM
Blue Bird (1589526) Issuer
Scartz Ted (1929771) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2025 7:59 AM
AMERICAN CENTURY INVESTMENT MANAGEMENT INC (52388) Filed by
Blue Bird (1589526) Subject
Form SCHEDULE 13G/A
08/13/2025 7:28 AM
Blue Bird (1589526) Subject
Horlock Phil (1579477) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/12/2025 10:18 AM
Blue Bird (1589526) Subject
Scartz Ted (1929771) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/11/2025 8:56 AM
Blue Bird (1589526) Issuer
Radulescu Razvan (1884757) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
08/11/2025 8:58 AM
Blue Bird (1589526) Issuer
Horlock Phil (1579477) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
08/08/2025 3:18 PM
Blue Bird (1589526) Subject
Horlock Phil (1579477) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/08/2025 12:20 PM
Blue Bird (1589526) Subject
Radulescu Razvan (1884757) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/08/2025 7:32 AM
Blue Bird (1589526) Issuer
Radulescu Razvan (1884757) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
08/07/2025 10:14 AM
Blue Bird (1589526) Subject
Radulescu Razvan (1884757) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/07/2025 8:29 AM
Blue Bird (1589526) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/06/2025 3:32 PM
Blue Bird (1589526) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/09/2025 8:49 AM
Blue Bird (1589526) Issuer
Radulescu Razvan (1884757) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
07/08/2025 9:15 AM
Blue Bird (1589526) Subject
Radulescu Razvan (1884757) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
07/03/2025 10:37 AM
Blue Bird (1589526) Issuer
Scartz Ted (1929771) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
07/03/2025 10:38 AM
Blue Bird (1589526) Issuer
Radulescu Razvan (1884757) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/13/2025 3:19 PM
Blue Bird (1589526) Issuer
Horlock Phil (1579477) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/11/2025 12:48 PM
Blue Bird (1589526) Issuer
Horlock Phil (1579477) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/09/2025 2:15 PM
Blue Bird (1589526) Subject
Horlock Phil (1579477) Reporting
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/29/2025 9:58 AM
Blue Bird (1589526) Issuer
Thau Daniel Mark (2047774) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/29/2025 9:20 AM
Blue Bird (1589526) Filer
Form SD
Specialized Disclosure Report  
(Data available from 1/1/2016 forward)

Blue Bird SEC Filings - Frequently Asked Questions

Blue Bird (BLBD) has submitted 416+ filings to the SEC since 2017. You can browse the complete history or filter by form type using the tools above.

Blue Bird's fiscal year ends on September 30. The company typically files its 10-K annual report by the end of November, covering the prior fiscal year's financial results. Key financial data from these reports is available on Blue Bird's financial statements page.

The most recent filing was a Form S-8 submitted on May 6, 2026. View the full filing using the link above.

SEC Filing Types: 10-K, 10-Q, 8-K and More

SEC filings are legally required disclosures that public companies submit to the U.S. Securities and Exchange Commission. Unlike press releases or earnings call transcripts, these documents are filed under legal obligation — meaning the financial data they contain is audited, standardized, and subject to penalties if materially false. For investors, that makes SEC filings the most reliable primary source available for evaluating a company's true financial position.

Yes. All SEC filings are publicly available through the SEC's EDGAR database and on financial research platforms like MarketBeat. Companies are required by law to make these disclosures accessible to all investors — meaning retail investors have access to the same source documents as institutional analysts.

A 10-K is an annual report containing audited financial statements and a full review of the company's business — it is the most comprehensive filing a company makes each year. A 10-Q is a shorter, unaudited quarterly update filed three times per year between annual reports. Investors typically use the 10-K for deep fundamental analysis and the 10-Q to track whether the company is on pace with its guidance mid-year.

The most important filing for fundamental investors. Filed once per year, the 10-K contains audited financial statements, revenue and earnings trends, debt obligations, risk factors, and management's own assessment of the business. Reading the risk factors section and comparing year-over-year financials can reveal issues that don't show up in analyst summaries.

An unaudited financial update filed three times per year (the 10-K covers Q4). Investors use 10-Qs to track whether guidance is on pace, monitor changes in cash flow or inventory, and catch any mid-year shifts in business conditions before they become headline news.

Filed within four business days of a material event — earnings releases, merger announcements, executive departures, or major asset sales. Because 8-Ks are filed before media coverage catches up, they are often the fastest way to get unfiltered information directly from the company on market-moving events.

Filed within two business days whenever an executive or director buys or sells company stock. Insider purchases — especially large or clustered buys — are often interpreted as a signal of management confidence. Insider selling is more ambiguous but worth monitoring for patterns, particularly around lock-up expirations or ahead of major announcements.


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This page (NASDAQ:BLBD) was last updated on 5/14/2026 by MarketBeat.com Staff.
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