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TANTECH HOLDINGS LTD

SIC 2860 · Industrial Organic Chemicals
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$TANH

TANTECH HOLDINGS LTD

CIK:0001588084|SEC Filings

INDENTURES

EX-4.15
tanh_ex415.htm
May 14, 2026
EX-4.2
tanh_ex42.htm
May 14, 2026
EX-4.1
tanh_ex41.htm
Oct 24, 2025
EX-4.2
tanh_ex42.htm
Oct 24, 2025
EX-4.14
tanh_ex414.htm
Sep 18, 2025
EX-4.15
tanh_ex415.htm
Sep 18, 2025
EX-4.12
tanh_ex412.htm
May 15, 2025
EX-4.13
tanh_ex413.htm
May 15, 2025
EX-4.1
tanh_ex41.htm
May 15, 2025
EX-4.2
tanh_ex42.htm
May 15, 2025
EX-4.3
tanh_ex43.htm
May 15, 2025
EX-4.1
tanh_ex41.htm
Jan 8, 2025
EX-4.1
tanh_ex41.htm
Jul 29, 2024
EX-4.1
tanh_ex41.htm
Apr 26, 2024
EX-4.2
tanh_ex42.htm
Apr 26, 2024
EX-4.3
tanh_ex43.htm
Apr 26, 2024
EX-4.14
tanh-20211231xex4d14.htm
Jul 18, 2022
EX-4.4
tanh-20211231xex4d4.htm
Jul 18, 2022
EX-4.5
tanh-20211231xex4d5.htm
Jul 18, 2022
EX-4.6
tanh-20211231xex4d6.htm
Jul 18, 2022