OPTEX SYSTEMS HOLDINGS, INC. 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.
- 2025-12-17: Fiscal year end 2025-09-28; Auditor Whitley Penn LLP; PCAOB firm ID 726; Location Dallas,
Texas.
- 2024-12-19: Fiscal year end 2024-09-29; Auditor Whitley Penn LLP; PCAOB firm ID 726; Location Dallas,
Texas.
- 2023-12-18: Fiscal year end 2023-10-01; Auditor Whitley Penn LLP; PCAOB firm ID 726; Location Dallas,
Texas.
- 2022-12-19: Fiscal year end 2022-10-02; Auditor Whitley Penn LLP; PCAOB firm ID 726; Location Fort
Worth, Texas.
| Filed | Fiscal year end | Auditor | PCAOB firm ID | Location | Internal-control attestation |
|---|
| 2025-12-17 | 2025-09-28 | Whitley Penn LLP | 726 | Dallas,
Texas | No |
|---|
| 2024-12-19 | 2024-09-29 | Whitley Penn LLP | 726 | Dallas,
Texas | No |
|---|
| 2023-12-18 | 2023-10-01 | Whitley Penn LLP | 726 | Dallas,
Texas | No |
|---|
| 2022-12-19 | 2022-10-02 | Whitley Penn LLP | 726 | Fort
Worth, Texas | No |
|---|
| 2022-02-03 | 2021-10-03 | Whitley Penn LLP | | | No |
|---|
| 2020-12-17 | 2020-09-27 | Whitley Penn LLP | | | |
|---|
| 2019-12-16 | 2019-09-29 | Whitley Penn LLP | | Fort Worth, Texas | |
|---|
| 2018-12-20 | 2018-09-30 | Whitley Penn LLP | | | |
|---|
| 2017-12-20 | 2017-10-01 | PMB Helin Donovan, LLP | | Austin, Texas | |
|---|
| 2017-05-05 | 2016-10-02 | PMB Helin Donovan, LLP | | | |
|---|
| 2017-02-21 | 2016-10-02 | PMB Helin Donovan, LLP | | | |
|---|
| 2016-12-23 | 2016-10-02 | PMB Helin Donovan, LLP | | | |
|---|
| 2015-12-15 | 2015-09-27 | PMB Helin Donovan, LLP | | | |
|---|
| 2014-12-23 | 2014-09-28 | PMB Helin Donovan, LLP | | | |
|---|
| 2013-12-20 | 2013-09-29 | PMB Helin Donovan, LLP | | | |
|---|
| 2012-12-19 | 2012-09-30 | EFP Rotenberg, LLP | | Rochester, New York | |
|---|
| 2011-12-27 | 2011-10-02 | EFP Rotenberg, LLP | | Rochester, New York | |
|---|