Tantech Holdings Ltd
TANH
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Filing DATE FP FY End Date URL VIEW
20-F/A 9/18/2025 Q4 2024 12/31/2024 SEC view
20-F 5/16/2025 Q4 2024 12/31/2024 SEC view
6-K 1/2/2025 Q2 2024 6/30/2024 SEC view
20-F 6/11/2024 Q4 2023 12/31/2023 SEC view
6-K 12/5/2023 Q2 2023 6/30/2023 SEC view
WIREPR 5/1/2023 Q4 2022 12/31/2022 WIRE view data
20-F 5/1/2023 Q4 2022 12/31/2022 SEC view
20-F/A 1/17/2023 Q4 2021 12/31/2021 SEC view
WIREPR 12/28/2022 Q4 2021 12/31/2021 WIRE view data
6-K 12/28/2022 Q2 2022 6/30/2022 SEC view
20-F/A 12/23/2022 Q4 2021 12/31/2021 SEC view
WIREPR 7/18/2022 Q4 2021 12/31/2021 WIRE view data
20-F 7/18/2022 Q4 2021 12/31/2021 SEC view
WIREPR 10/22/2021 Q2 2021 6/30/2021 WIRE view data
6-K 10/22/2021 Q2 2021 6/30/2021 SEC view
WIREPR 4/27/2021 Q4 2020 12/31/2020 WIRE view data
20-F 4/27/2021 Q4 2020 12/31/2020 SEC view
WIREPR 9/30/2020 Q2 2020 6/30/2020 WIRE view data
6-K 9/30/2020 Q2 2020 6/30/2020 SEC view
20-F 7/1/2020 Q4 2019 12/31/2019 SEC view
WIREPR 12/17/2019 Q3 2019 9/30/2019 WIRE view data
WIREPR 5/15/2019 Q4 2018 12/31/2018 WIRE view data
20-F 5/15/2019 Q4 2018 12/31/2018 SEC view
WIREPR 12/26/2018 Q3 2018 9/30/2018 WIRE view data
20-F 5/11/2018 Q4 2017 12/31/2017 SEC view
20-F 5/1/2017 Q4 2016 12/31/2016 SEC view
20-F/A 10/28/2016 Q4 2015 12/31/2015 SEC view
20-F 4/29/2016 Q4 2015 12/31/2015 SEC view
20-F 4/30/2015 Q4 2014 12/31/2014 SEC view