Tantech Holdings TANH SEC Filings

NASDAQ TANH
$11.67 -1.80 (-13.36%)
At close: Nov 6, 2026 · 4:00 PM EST
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Tantech Holdings Ltd (TANH) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
16-KCurrent Report0001213900-26-106447Oct 2, 2026 12:45 AM
26-KCurrent Report0001477932-26-005777Sep 24, 2026 12:00 PM
36-KCurrent Report0001477932-26-005346Sep 1, 2026 8:30 PM
46-KCurrent Report0001477932-26-005179Aug 19, 2026 9:00 PM
56-KCurrent Report0001477932-26-004758Aug 7, 2026 10:02 AM
66-KCurrent Report0001477932-26-004731Aug 6, 2026 10:19 PM
76-KCurrent Report0001477932-26-004710Aug 4, 2026 8:37 PM
8EFFECTOthers9999999995-26-002052Jun 17, 2026 4:15 AM
9CORRESPOthers0001477932-26-003853Jun 15, 2026 3:38 PM
10F-3Prospectus0001477932-26-003717Jun 9, 2026 1:55 PM
11UPLOADOthers0000000000-26-005612Jun 3, 2026 7:00 PM
12DRSOthers0001477932-26-003590Jun 2, 2026 9:08 PM
1320-FQuarterly & Annual Report0001477932-26-003132May 14, 2026 8:33 PM
14NT 20-FQuarterly & Annual Report0001477932-26-002717May 1, 2026 8:05 PM
153Insider Transaction0001477932-26-002095Apr 9, 2026 11:30 PM
166-KCurrent Report0001477932-26-001965Apr 2, 2026 8:15 PM
17424B5Prospectus0001477932-26-001963Apr 2, 2026 8:05 PM
183Insider Transaction0001477932-26-001787Mar 31, 2026 4:22 PM
193Insider Transaction0001477932-26-001786Mar 31, 2026 4:21 PM
203Insider Transaction0001477932-26-001785Mar 31, 2026 4:21 PM
216-KCurrent Report0001477932-26-001760Mar 31, 2026 12:31 PM
226-KCurrent Report0001477932-26-001577Mar 25, 2026 8:03 PM
23424B5Prospectus0001477932-26-001565Mar 25, 2026 1:16 PM
246-KCurrent Report0001477932-26-001540Mar 23, 2026 8:03 PM
253Insider Transaction0001477932-26-001403Mar 17, 2026 12:01 AM
266-KCurrent Report0001477932-26-000231Jan 15, 2026 9:05 PM
276-KCurrent Report0001477932-25-009264Dec 31, 2025 1:30 PM
286-KCurrent Report0001477932-25-009067Dec 19, 2025 1:11 PM
29UPLOADOthers0000000000-25-011562Dec 15, 2025 5:36 PM
306-KCurrent Report0001477932-25-008933Dec 11, 2025 10:00 PM
316-KCurrent Report0001477932-25-007719Oct 24, 2025 12:45 AM
326-KCurrent Report0001477932-25-007636Oct 17, 2025 8:30 PM
336-KCurrent Report0001477932-25-006998Sep 24, 2025 9:00 PM
3420-FQuarterly & Annual Report0001477932-25-006862Sep 18, 2025 8:06 PM
35CORRESPOthers0001477932-25-006863Sep 18, 2025 8:05 PM
36UPLOADOthers0000000000-25-009429Sep 2, 2025 3:36 PM
376-KCurrent Report0001477932-25-004382Jun 3, 2025 8:45 PM
3820-FQuarterly & Annual Report0001477932-25-003802May 15, 2025 8:06 PM
39NT 20-FQuarterly & Annual Report0001477932-25-003196May 1, 2025 6:40 PM
40SCHEDULE 13GBeneficial Ownership Report0001851416-25-000008Apr 21, 2025 4:09 PM
416-KCurrent Report0001477932-25-001375Mar 3, 2025 1:30 PM
426-KCurrent Report0001477932-25-000830Feb 10, 2025 10:01 PM
436-KCurrent Report0001477932-25-000106Jan 8, 2025 1:55 PM
446-KCurrent Report0001477932-25-000049Jan 6, 2025 1:55 PM
456-KCurrent Report0001477932-24-008438Jan 2, 2025 2:33 AM
466-KCurrent Report0001477932-24-008327Dec 27, 2024 1:35 PM
476-KCurrent Report0001477932-24-008242Dec 20, 2024 9:30 PM
486-KCurrent Report0001477932-24-008082Dec 16, 2024 2:05 PM
49SC 13GBeneficial Ownership Report0001213900-24-097252Nov 13, 2024 4:17 PM
50SC 13GBeneficial Ownership Report0000921895-24-002490Nov 6, 2024 9:30 PM
...

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