GOLUB CAPITAL BDC, Inc. SEC filings GBDC
GOLUB CAPITAL BDC, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Dec 17, 2012. Its latest annual report, Form 10-K, was filed on Nov 18, 2025 for the period ended Sep 30, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 3, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 6, 2026 (results of operations). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 40-17G | Filing | Sep 10, 2026 | — |
| 497AD | Filing | May 19, 2026 | — |
| 497AD | Filing | May 19, 2026 | — |
| 497AD | Filing | May 19, 2026 | — |
| 497AD | Filing | Sep 19, 2025 | — |
| 40-17G | Filing | Aug 29, 2025 | — |
| APP ORDR | Filing | Jul 18, 2025 | — |
| APP NTC | Filing | May 22, 2025 | — |
| 40-APP | Filing | Apr 29, 2025 | — |
| N-2ASR | Filing | Mar 31, 2025 | — |
| CORRESP | Letter to the SEC | Dec 13, 2024 | — |
| 497AD | Filing | Dec 3, 2024 | — |
| 497AD | Filing | Nov 25, 2024 | — |
| 497AD | Filing | Nov 25, 2024 | — |
| 497AD | Filing | Nov 25, 2024 | — |
| CORRESP | Letter to the SEC | Sep 30, 2024 | — |
| 40-17G | Filing | Aug 28, 2024 | — |
| POS 8C | Filing | Jun 3, 2024 | — |
| 425 | Filing | May 29, 2024 | — |
| 425 | Filing | May 10, 2024 | — |
| 425 | Filing | May 8, 2024 | — |
| 425 | Filing | Apr 30, 2024 | — |
| 425 | Filing | Apr 18, 2024 | — |
| CORRESP | Letter to the SEC | Apr 17, 2024 | — |
| EFFECT | Filing | Apr 15, 2024 | — |
| N-14 8C/A | Filing | Apr 12, 2024 | — |
| N-23C-2 | Filing | Mar 8, 2024 | Mar 8, 2024 |
| N-14 8C | N-14 | Feb 23, 2024 | — |
| APP ORDR | Filing | Feb 22, 2024 | — |
| 425 | Filing | Feb 9, 2024 | — |
| 425 | Filing | Feb 9, 2024 | — |
| 425 | Filing | Feb 8, 2024 | — |
| 425 | Filing | Feb 5, 2024 | — |
| 497AD | Filing | Jan 30, 2024 | — |
| 497AD | Filing | Jan 30, 2024 | — |
| 497AD | Filing | Jan 29, 2024 | — |
| 497AD | Filing | Jan 26, 2024 | — |
| APP NTC | Filing | Jan 25, 2024 | — |
| 425 | Filing | Jan 19, 2024 | — |
| 425 | Filing | Jan 17, 2024 | — |
| 425 | Filing | Jan 17, 2024 | — |
| 497AD | Filing | Nov 30, 2023 | — |
| 497AD | Filing | Nov 30, 2023 | — |
| 497AD | Filing | Nov 28, 2023 | — |
| 40-17G | Filing | Aug 28, 2023 | — |
| 40-APP/A | Filing | Jul 26, 2023 | — |
| 40-APP | Filing | Jan 30, 2023 | — |
| 40-APP/A | Filing | Dec 8, 2022 | — |
| 40-17G | Filing | Oct 11, 2022 | — |
| 40-APP/A | Filing | Jul 5, 2022 | — |
| N-2ASR | Filing | Jun 9, 2022 | — |
| 40-APP | Filing | Apr 22, 2022 | — |
| 40-17G | Filing | Apr 8, 2022 | — |
| 497AD | Filing | Oct 7, 2021 | — |
| 497AD | Filing | Oct 7, 2021 | — |
| 497AD | Filing | Oct 7, 2021 | — |
| N-2 POSASR | Filing | Aug 24, 2021 | — |
| 497AD | Filing | Jul 28, 2021 | — |
| 497AD | Filing | Jul 28, 2021 | — |
| 497AD | Filing | Jul 27, 2021 | — |
| 497AD | Filing | Jul 27, 2021 | — |
| 497AD | Filing | Jul 23, 2021 | — |
| 40-17G/A | Filing | Jun 29, 2021 | — |
| 497AD | Filing | Feb 17, 2021 | — |
| 497AD | Filing | Feb 17, 2021 | — |
| 497AD | Filing | Feb 17, 2021 | — |
| 497AD | Filing | Feb 16, 2021 | — |
| N-2 POSASR | Filing | Feb 12, 2021 | — |
| 497AD | Filing | Sep 29, 2020 | — |
| 497AD | Filing | Sep 29, 2020 | — |
| 497AD | Filing | Sep 29, 2020 | — |
| 497AD | Filing | Sep 29, 2020 | — |
| 497AD | Filing | Sep 28, 2020 | — |
| 40-17G | Filing | Jun 18, 2020 | — |
| 25-NSE | Delisting notice | May 6, 2020 | — |
| 497 | Filing | Apr 13, 2020 | — |
| CERT | Filing | Apr 8, 2020 | — |
| 8-A12B | Filing | Apr 8, 2020 | — |
| POS EX | Filing | Apr 7, 2020 | — |
| 497AD | Filing | Apr 1, 2020 | — |
| 497AD | Filing | Apr 1, 2020 | — |
| 497 | Filing | Apr 1, 2020 | — |
| POS EX | Filing | Sep 16, 2019 | — |
| 425 | Filing | Sep 4, 2019 | — |
| 425 | Filing | Aug 28, 2019 | — |
| 425 | Filing | Aug 26, 2019 | — |
| 425 | Filing | Aug 16, 2019 | — |
| 425 | Filing | Aug 14, 2019 | — |
| 425 | Filing | Aug 14, 2019 | — |
| 425 | Filing | Aug 1, 2019 | — |
| 425 | Filing | Jul 17, 2019 | — |
| 497 | Filing | Jul 15, 2019 | — |
| EFFECT | Filing | Jul 12, 2019 | — |
| CORRESP | Letter to the SEC | Jul 11, 2019 | — |
| CORRESP | Letter to the SEC | Jul 11, 2019 | — |
| N-14 8C/A | Filing | Jul 11, 2019 | — |
| 425 | Filing | Jun 28, 2019 | — |
| N-2 | Filing | Jun 27, 2019 | — |
| 425 | Filing | Jun 27, 2019 | — |
| 40-17G | Filing | Jun 13, 2019 | — |
| 425 | Filing | May 16, 2019 | — |
| 425 | Filing | May 8, 2019 | — |
| CORRESP | Letter to the SEC | Mar 5, 2019 | — |
| 425 | Filing | Feb 13, 2019 | — |
| ABS-15G | Filing | Feb 11, 2019 | — |
| N-14 8C | Filing | Dec 21, 2018 | — |
| 425 | Filing | Dec 20, 2018 | — |
| CORRESP | Letter to the SEC | Dec 18, 2018 | — |
| 425 | Filing | Dec 6, 2018 | — |
| 425 | Filing | Nov 28, 2018 | — |
| 425 | Filing | Nov 28, 2018 | — |
| 40-17G | Filing | Jun 6, 2018 | — |
| EFFECT | Filing | May 1, 2018 | — |
| CORRESP | Letter to the SEC | Apr 27, 2018 | — |
| POS 8C | Filing | Apr 27, 2018 | — |
| CORRESP | Letter to the SEC | Apr 17, 2018 | — |
| CORRESP | Letter to the SEC | Feb 21, 2018 | — |
| POS 8C | Post-effective amendment no. 3 to form n-2 | Feb 21, 2018 | — |
| ABS-15G | Filing | Feb 12, 2018 | Dec 31, 2017 |
| 40-17G/A | Filing | Jul 19, 2017 | — |
| POS EX | Filing | Jun 8, 2017 | — |
| 497 | Filing | Jun 8, 2017 | — |
| 497AD | Filing | Jun 7, 2017 | — |
| 497 | Filing | Jun 6, 2017 | — |
| 497AD | Filing | Jun 6, 2017 | — |
| 40-17G | Filing | Jun 2, 2017 | — |
| POS EX | Filing | Mar 22, 2017 | — |
| 497 | Filing | Mar 21, 2017 | — |
| 497AD | Filing | Mar 21, 2017 | — |
| 497 | Filing | Mar 20, 2017 | — |
| 497AD | Filing | Mar 20, 2017 | — |
| ABS-15G | Form abs-15g | Feb 13, 2017 | Dec 31, 2016 |
| EFFECT | Filing | Jan 26, 2017 | — |
| 40-APP/A | Filing | Jan 26, 2017 | — |
| CORRESP | Letter to the SEC | Jan 23, 2017 | — |
| CORRESP | Letter to the SEC | Jan 23, 2017 | — |
| N-2 | Filing | Dec 23, 2016 | — |
| CORRESP | Letter to the SEC | Dec 22, 2016 | — |
| 40-APP/A | Filing | Sep 23, 2016 | — |
| POS EX | Filing | Aug 18, 2016 | — |
| 497 | Filing | Aug 16, 2016 | — |
| 497AD | Filing | Aug 16, 2016 | — |
| 497 | Filing | Aug 15, 2016 | — |
| 497AD | Filing | Aug 15, 2016 | — |
| D | Filing | Jul 25, 2016 | — |
| 40-APP/A | Filing | Jun 2, 2016 | — |
| 40-17G | Fidelity bond | May 11, 2016 | — |
| EFFECT | Filing | Apr 13, 2016 | — |
| EFFECT | Filing | Apr 13, 2016 | — |
| CORRESP | Letter to the SEC | Apr 12, 2016 | — |
| CORRESP | Letter to the SEC | Apr 11, 2016 | — |
| POS 8C | Filing | Mar 16, 2016 | — |
| ABS-15G | Filing | Feb 12, 2016 | Dec 31, 2015 |
| CORRESP | Letter to the SEC | Jan 15, 2016 | — |
| POS 8C | Filing | Jan 15, 2016 | — |
| 40-APP/A | Filing | Oct 29, 2015 | — |
| POS EX | Filing | Aug 28, 2015 | — |
| 497 | Filing | Aug 28, 2015 | — |
| 40-17G | Fidelity bond | Jun 18, 2015 | — |
| POS EX | Filing | Apr 13, 2015 | — |
| 497 | Form 497 | Apr 10, 2015 | — |
| 497AD | Filing | Apr 10, 2015 | — |
| 497 | Filing | Apr 9, 2015 | — |
| ABS-15G | Filing | Feb 13, 2015 | Dec 31, 2014 |
| EFFECT | Filing | Feb 3, 2015 | — |
| CORRESP | Letter to the SEC | Jan 29, 2015 | — |
| CORRESP | Letter to the SEC | Jan 29, 2015 | — |
| CORRESP | Letter to the SEC | Jan 28, 2015 | — |
| 40-APP/A | Filing | Jan 28, 2015 | — |
| POS 8C | Filing | Dec 11, 2014 | — |
| CORRESP | Letter to the SEC | Dec 10, 2014 | — |
| POS EX | Filing | Aug 21, 2014 | — |
| 497 | Filing | Aug 21, 2014 | — |
| 40-APP/A | Filing | Aug 11, 2014 | — |
| 40-17G | Filing | Jul 8, 2014 | — |
| POS EX | Filing | Mar 19, 2014 | — |
| 497 | Form 497 | Mar 18, 2014 | — |
| 497AD | Filing | Mar 18, 2014 | — |
| 497 | Filing | Mar 17, 2014 | — |
| 497AD | Filing | Mar 17, 2014 | — |
| EFFECT | Filing | Mar 14, 2014 | — |
| CORRESP | Letter to the SEC | Mar 12, 2014 | — |
| CORRESP | Letter to the SEC | Mar 12, 2014 | — |
| UPLOAD | Letter from the SEC | Feb 20, 2014 | — |
| N-2/A | Form n-2/a | Feb 20, 2014 | — |
| CORRESP | Letter to the SEC | Feb 19, 2014 | — |
| ABS-15G | Filing | Feb 10, 2014 | Dec 31, 2013 |
| CORRESP | Letter to the SEC | Jan 15, 2014 | — |
| N-2 | Form n-2 | Jan 10, 2014 | — |
| 40-APP/A | Filing | Dec 5, 2013 | — |
| 40-APP/A | Amended 40 app | Dec 2, 2013 | — |
| POS EX | Form pos ex | Sep 13, 2013 | — |
| 497 | Filing | Sep 12, 2013 | — |
| 497AD | Filing | Sep 12, 2013 | — |
| 497 | Filing | Sep 11, 2013 | — |
| 497AD | Filing | Sep 11, 2013 | — |
| APP WDG | Filing | Aug 19, 2013 | — |
| APP WD | Application withdrawal letter | Aug 19, 2013 | — |
| CORRESP | Letter to the SEC | Jul 19, 2013 | — |
| 40-17G | Fidelity bond | Jun 7, 2013 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Listed as
- GBDC (Nasdaq)
- Fiscal year ends
- September 30
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1476765
- Former names
- GOLUB CAPITAL INVESTMENT Corp (until Jun 2, 2017); Golub Capital BDC LLC (until Apr 14, 2010)
Source: SEC EDGAR filings. This is company-reported data, not investment advice.