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LIGHTPATH TECHNOLOGIES INC (LPTH) Subsidiaries

LIGHTPATH TECHNOLOGIES INC Subsidiaries

Every subsidiary the company listed in Exhibit 21 of its annual reports, newest list first (17 lists). Names and jurisdictions are as filed.

  • 2026-09-11: Subsidiary GelTech Inc.; Jurisdiction Delaware.
  • 2026-09-11: Subsidiary LightPath Optical Instrumentation (Zhenjiang) Co., Ltd; Jurisdiction People’s Republic of China.
  • 2026-09-11: Subsidiary ISP Optics Corporation; Jurisdiction New York.
  • 2026-09-11: Subsidiary ISP Optics Latvia, SIA; Jurisdiction Latvia.
Annual report filedSubsidiaryJurisdiction
2026-09-11GelTech Inc.Delaware
2026-09-11LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2026-09-11ISP Optics CorporationNew York
2026-09-11ISP Optics Latvia, SIALatvia
2026-09-11Liebert Consulting LLCTexas
2026-09-11G5 Infrared LLCNew Hampshire
2026-09-11Amorphous Materials LLCDelaware
2025-09-26GelTech Inc.Delaware
2025-09-26LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2025-09-26ISP Optics CorporationNew York
2025-09-26ISP Optics Latvia, SIALatvia
2025-09-26Liebert Consulting LLCTexas
2025-09-26G5 Infrared LLCNew Hampshire
2024-09-19GelTech Inc.Delaware
2024-09-19LightPath Optical Instrumentation (Shanghai) Co., LtdPeople’s Republic of China
2024-09-19LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2024-09-19ISP Optics CorporationNew York
2024-09-19ISP Optics Latvia, SIALatvia
2024-09-19Liebert Consulting LLCTexas
2023-09-14GelTech Inc.Delaware
2023-09-14LightPath Optical Instrumentation (Shanghai) Co., LtdPeople’s Republic of China
2023-09-14LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2023-09-14ISP Optics CorporationNew York
2023-09-14ISP Optics Latvia, SIALatvia
2022-09-15GelTech Inc.Delaware
2022-09-15LightPath Optical Instrumentation (Shanghai) Co., LtdPeople’s Republic of China
2022-09-15LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2022-09-15ISP Optics CorporationNew York
2022-09-15ISP Optics Latvia, SIALatvia
2021-09-13GelTech Inc.Delaware
2021-09-13LightPath Optical Instrumentation (Shanghai) Co., LtdPeople’s Republic of China
2021-09-13LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2021-09-13ISP Optics CorporationNew York
2021-09-13ISP Optics Latvia, SIALatvia
2020-09-10GelTech Inc.Delaware
2020-09-10LightPath Optical Instrumentation (Shanghai) Co., LtdPeople’s Republic of China
2020-09-10LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2020-09-10ISP Optics CorporationNew York
2020-09-10ISP Optics Latvia, SIALatvia
2019-09-12GelTech Inc.Delaware
2019-09-12LightPath Optical Instrumentation (Shanghai) Co., LtdPeople’s Republic of China
2019-09-12LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2019-09-12ISP Optics CorporationNew York
2019-09-12ISP Optics Latvia, SIALatvia
2018-09-13GelTech Inc.Delaware
2018-09-13LightPath Optical Instrumentation (Shanghai) Co., LtdPeople’s Republic of China
2018-09-13LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2018-09-13ISP Optics CorporationNew York
2018-09-13ISP Optics Latvia, SIALatvia
2017-09-14GelTech Inc.Delaware
2017-09-14LightPath Optical Instrumentation (Shanghai) Co., LtdPeople’s Republic of China
2017-09-14LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2017-09-14ISP Optics CorporationNew York
2017-09-14ISP LatviaLatvia
2016-09-15GelTech Inc.Delaware Corporation
2016-09-15LightPath Optical Instrumentation (Shanghai) Co., LtdPeople’s Republic of China
2016-09-15LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2015-09-22Lightpath Technologies, Inc. 10-K
2015-09-22GelTech
2015-09-22Inc.
2015-09-22Delaware Corporation
2015-09-22LightPath
2015-09-22Optical Instrumentation (Shanghai) Co., Ltd
2015-09-22People’s Republic of China
2015-09-22LightPath
2015-09-22Optical Instrumentation (Zhenjiang) Co., Ltd
2015-09-22People’s Republic of China
2014-09-04GelTech Inc.Delaware Corporation
2014-09-04LightPath Optical Instrumentation (Shanghai) Co., LtdPeople’s Republic of China
2014-09-04LightPath Optical Instrumentation (Zhenjiang) Co., LtdPeople’s Republic of China
2013-09-05GelTech Inc.Delaware Corporation
2013-09-05LightPath Optical Instrumentation (Shanghai) Co., LtdPeople’s Republic of China
2013-04-04LightPath Technologies, Inc 10-K/A
2013-04-04GelTech Inc.
2013-04-04Delaware Corporation
2013-04-04LightPath Optical Instrumentation (Shanghai) Co., Ltd
2013-04-04People’s Republic of China
2011-09-08GelTech Inc.Delaware Corporation
2011-09-08LightPath Optical Instrumentation (Shanghai) Co., LtdPeoples Republic of China
2010-09-16GelTech Inc.Delaware Corporation
2010-09-16LightPath Optical Instrumentation (Shanghai) Co., LtdPeoples Republic of China

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