KOPIN CORP Auditor
The independent registered public accounting firm that signed the audit report in each annual report on Form 10-K, newest first. PCAOB firm ID and the internal-control attestation are as tagged on the cover from fiscal 2021; earlier rows come from the signed report text.
- 2026-04-13: Fiscal year end 2025-12-27; Auditor BDO USA, P.C.; PCAOB firm ID 243; Location Boston,
Massachusetts.
- 2025-04-17: Fiscal year end 2024-12-28; Auditor BDO USA, P.C.; PCAOB firm ID 243; Location Boston,
Massachusetts.
- 2024-03-14: Fiscal year end 2023-12-30; Auditor RSM US LLP; PCAOB firm ID 49; Location Boston, Massachusetts.
- 2023-03-17: Fiscal year end 2022-12-31; Auditor RSM US LLP; PCAOB firm ID 49; Location Stamford, Connecticut.
| Filed | Fiscal year end | Auditor | PCAOB firm ID | Location | Internal-control attestation |
|---|
| 2026-04-13 | 2025-12-27 | BDO USA, P.C. | 243 | Boston,
Massachusetts | |
|---|
| 2025-04-17 | 2024-12-28 | BDO USA, P.C. | 243 | Boston,
Massachusetts | |
|---|
| 2024-03-14 | 2023-12-30 | RSM US LLP | 49 | Boston, Massachusetts | |
|---|
| 2023-03-17 | 2022-12-31 | RSM US LLP | 49 | Stamford, Connecticut | |
|---|
| 2023-03-14 | 2022-12-31 | RSM US LLP | 49 | Stamford,
Connecticut | |
|---|
| 2022-03-14 | 2021-12-25 | RSM US LLP | 49 | Stamford,
Connecticut | No |
|---|
| 2021-03-05 | 2020-12-26 | RSM US LLP | | | Yes |
|---|
| 2020-03-11 | 2019-12-28 | RSM US LLP | | Stamford, Connecticut | |
|---|
| 2019-11-07 | 2018-12-29 | Deloitte & Touche LLP | | Boston, Massachusetts | |
|---|
| 2019-03-14 | 2018-12-29 | Deloitte & Touche LLP | | Boston, Massachusetts | |
|---|
| 2018-03-23 | 2017-12-30 | Deloitte & Touche LLP | | Boston, Massachusetts | |
|---|
| 2017-03-23 | 2016-12-31 | Deloitte & Touche LLP | | Boston, Massachusetts | |
|---|
| 2016-03-04 | 2015-12-26 | Deloitte & Touche LLP | | Boston, Massachusetts | |
|---|
| 2015-03-12 | 2014-12-27 | Deloitte & Touche LLP | | Boston, Massachusetts | |
|---|
| 2014-03-17 | 2013-12-28 | Deloitte & Touche LLP | | Boston, Massachusetts | |
|---|
| 2013-03-18 | 2012-12-29 | Deloitte & Touche LLP | | Boston, Massachusetts | |
|---|
| 2012-03-15 | 2011-12-31 | Deloitte & Touche LLP | | Boston, Massachusetts | |
|---|
| 2011-03-10 | 2010-12-25 | DELOITTE & TOUCHE LLP | | Boston, Massachusetts | |
|---|
| 2010-03-08 | 2009-12-26 | DELOITTE & TOUCHE LLP | | Boston, Massachusetts | |
|---|
| 2009-03-10 | 2008-12-27 | DELOITTE & TOUCHE LLP | | Boston, Massachusetts | |
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