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TANH

Tantech Holdings Ltd SEC filings
Industrial Organic Chemicals · Nasdaq · Incorporated in Virgin Islands, British
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Filing history
2026-10-02
Foreign company report 6-K
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2026-09-24
Foreign company report 6-K
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2026-09-01
Foreign company report 6-K
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2026-08-19
Foreign company report 6-K
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2026-08-07
6-K/A 6-K/A
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2026-08-06
Foreign company report 6-K
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2026-08-04
Foreign company report 6-K
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2026-06-17
EFFECT EFFECT
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2026-06-15
CORRESP CORRESP
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2026-06-09
F-3 F-3
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2026-06-03
UPLOAD UPLOAD
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2026-06-02
DRS DRS
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2026-05-14
Foreign annual report 20-F
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2026-05-01
NT 20-F NT 20-F
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2026-04-09
New insider's holdings 3
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2026-04-02
Foreign company report 6-K
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2026-04-02
Prospectus 424B5
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2026-03-31
New insider's holdings 3
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2026-03-31
New insider's holdings 3
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2026-03-31
New insider's holdings 3
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2026-03-31
Foreign company report 6-K
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2026-03-25
Foreign company report 6-K
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2026-03-25
Prospectus 424B5
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2026-03-23
Foreign company report 6-K
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2026-03-17
New insider's holdings 3
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2026-01-15
Foreign company report 6-K
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2025-12-31
Foreign company report 6-K
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2025-12-19
Foreign company report 6-K
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2025-12-15
UPLOAD UPLOAD
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2025-12-11
Foreign company report 6-K
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2025-10-24
Foreign company report 6-K
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2025-10-17
Foreign company report 6-K
Filing ↗
2025-09-24
Foreign company report 6-K
Filing ↗
2025-09-18
20-F/A 20-F/A
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2025-09-18
CORRESP CORRESP
Filing ↗
2025-09-02
UPLOAD UPLOAD
Filing ↗
2025-06-03
Foreign company report 6-K
Filing ↗
2025-05-15
Foreign annual report 20-F
Filing ↗
2025-05-01
NT 20-F NT 20-F
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2025-04-21
Passive 5%+ stake SCHEDULE 13G
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