Home > Firm Summary

Grant Thornton LLP (248)
Registration Status: Currently Registered
Headquarters Address: 171 N. Clark Street, Suite 200, Chicago, IL 60601
Other Names Used in Issuing Audit Reports: None
Predecessor Firm to Whose Registration
the Firm Succeeded: 		None
Registration Date: 09/24/2003
For a list of issuers (if any) that the firm has audited, or in whose audits the firm has played a substantial role, see Part IV of the firm's annual reports.

Annual and Special Reporting by the Firm
FormFiled DateSpecial Report Relates To
Special Report (Form 3) 01/19/2026 Changes in the Firm or the Firm's Board Contact Person
Special Report (Form 3) 07/11/2025 Licenses and Certification
Annual Report (Form 2) For Reporting Year 2025 06/25/2025
Special Report (Form 3) 02/19/2025 Audit Reports
Special Report (Form 3) 07/12/2024 Licenses and Certification
Annual Report (Form 2) For Reporting Year 2024 06/25/2024
Special Report (Form 3) 02/06/2024 Licenses and Certification
Special Report (Form 3) 10/31/2023 Audit Reports
Special Report (Form 3) 07/31/2023 Certain Legal Proceedings
Special Report (Form 3) 07/13/2023 Licenses and Certification
Annual Report (Form 2) For Reporting Year 2023 06/22/2023
Special Report (Form 3) 01/26/2023 Licenses and Certification
Special Report (Form 3) 11/18/2022 Audit Reports,
Changes in the Firm or the Firm's Board Contact Person
Special Report (Form 3) 07/25/2022 Licenses and Certification
Annual Report (Form 2) For Reporting Year 2022 06/24/2022
Special Report (Form 3) 07/20/2021 Licenses and Certification
Annual Report (Form 2) For Reporting Year 2021 06/24/2021
Special Report (Form 3) 11/02/2020 Changes in the Firm or the Firm's Board Contact Person
Special Report (Form 3) 07/17/2020 Licenses and Certification
Annual Report (Form 2) For Reporting Year 2020 06/24/2020
Special Report (Form 3) 05/27/2020 Certain Legal Proceedings
Special Report (Form 3) 05/08/2020 Certain Legal Proceedings,
Licenses and Certification
Annual Report (Form 2) For Reporting Year 2019 06/27/2019
Special Report (Form 3) 07/09/2018 Certain Legal Proceedings
Annual Report (Form 2) For Reporting Year 2018 06/28/2018
Special Report (Form 3) 05/29/2018 Certain Legal Proceedings
Special Report (Form 3) 12/06/2017 Certain Legal Proceedings
Annual Report (Form 2) For Reporting Year 2017 06/29/2017
Annual Report (Form 2) For Reporting Year 2016 06/29/2016
Special Report (Form 3) 02/02/2016 Audit Reports
Special Report (Form 3) 12/15/2015 Certain Legal Proceedings
Special Report (Form 3) 06/29/2015 Audit Reports
Annual Report (Form 2) For Reporting Year 2015 06/26/2015
Special Report (Form 3) 07/08/2014 Changes in the Firm or the Firm's Board Contact Person
Annual Report (Form 2) For Reporting Year 2014 06/18/2014
Special Report (Form 3) 08/23/2013 Changes in the Firm or the Firm's Board Contact Person
Annual Report (Form 2) For Reporting Year 2013 06/21/2013
Special Report (Form 3) 03/04/2013 Certain Legal Proceedings
Special Report (Form 3) 08/03/2012 Certain Legal Proceedings
Annual Report (Form 2) For Reporting Year 2012 06/28/2012
Special Report (Form 3) 09/08/2011 Certain Legal Proceedings
Special Report (Form 3) 08/19/2011 Certain Legal Proceedings
Annual Report (Form 2) For Reporting Year 2011 06/29/2011
Special Report (Form 3) 03/01/2011 Certain Legal Proceedings
Special Report (Form 3) 01/11/2011 Certain Legal Proceedings
Special Report (Form 3) 12/17/2010 Certain Legal Proceedings,
Changes in the Firm or the Firm's Board Contact Person
Annual Report (Form 2) For Reporting Year 2010 06/29/2010
Amended Special Report (Form 3/A) 06/01/2010 Certain Legal Proceedings,
Licenses and Certification,
Changes in the Firm or the Firm's Board Contact Person
Special Report (Form 3) 01/29/2010 Certain Legal Proceedings,
Licenses and Certification,
Changes in the Firm or the Firm's Board Contact Person
Special Report (Form 3) 05/13/2010 Certain Legal Proceedings
Special Report (Form 3) 03/18/2010 Licenses and Certifications

Auditor Reporting of Certain Audit Participants
FormFiled DateIssuer NameAudit Report DateEngagement Partner
Form AP 06/05/2026 8x8, Inc. 05/22/2026 Morgan, Christopher Bruce
Form AP 06/05/2026 GUGGENHEIM DEFINED PORTFOLIOS, SERIES 2525 06/04/2026 Figueras, Juliana Rivo
Form AP 06/04/2026 Invesco Unit Trusts Series 2482 06/03/2026 Kotowicz, Tomasz Krzysztof
Form AP 06/03/2026 GUGGENHEIM DEFINED PORTFOLIOS, SERIES 2597 06/02/2026 Figueras, Juliana Rivo
Form AP 06/03/2026 Digital Turbine, Inc. 05/26/2026 Mendez, Joel Aaron
Form AP 06/03/2026 NGL Energy Partners LP 05/28/2026 Messer, Blake Michael
Form AP 06/02/2026 Unisys Corporation Savings Plan 05/29/2026 Karpawich, Heather Ewing
Form AP 06/01/2026 GUGGENHEIM DEFINED PORTFOLIOS, SERIES 2584 05/29/2026 Figueras, Juliana Rivo
Form AP 06/01/2026 Packaging Corporation of America Retirement Savings Plan for Salaried Employees 05/28/2026 Figueras, Juliana Rivo
Form AP 06/01/2026 m+ funds Trust, Series 7-35 05/29/2026 DeMartini, Christopher John
Form AP 06/01/2026 GUGGENHEIM DEFINED PORTFOLIOS, SERIES 2595 05/28/2026 Figueras, Juliana Rivo
Form AP 06/01/2026 Packaging Corporation of America Thrift Plan for Hourly Employees 05/28/2026 Figueras, Juliana Rivo
Form AP 05/29/2026 Invesco Unit Trusts, Taxable Income Series 543 05/28/2026 Kotowicz, Tomasz Krzysztof
Form AP 05/29/2026 Invesco Unit Trusts, Taxable Income Series 547 05/28/2026 Kotowicz, Tomasz Krzysztof
Form AP 05/29/2026 Invesco Unit Trusts, Taxable Income Series 440 05/28/2026 Kotowicz, Tomasz Krzysztof
Form AP 05/29/2026 Invesco Unit Trusts, Taxable Income Series 486 05/28/2026 Kotowicz, Tomasz Krzysztof
Form AP 05/29/2026 Invesco Unit Trusts, Taxable Income Series 435 05/28/2026 Kotowicz, Tomasz Krzysztof
Form AP 05/29/2026 Invesco Unit Trusts, Taxable Income Series 436 05/28/2026 Kotowicz, Tomasz Krzysztof
Form AP 05/29/2026 Van Kampen Unit Trusts Taxable Income Series 372 05/28/2026 Kotowicz, Tomasz Krzysztof
Form AP 05/29/2026 Van Kampen Unit Trusts Taxable Income Series 373 05/28/2026 Kotowicz, Tomasz Krzysztof