Birchtech BCHT SEC Filings

NYSE BCHT
$1.14 -0.04 (-3.39%)
As of: Oct 21, 2026 · 3:59 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Birchtech Corp. (BCHT) 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
1SCHEDULE 13GBeneficial Ownership0000935836-26-000520Oct 5, 2026 7:48 PM-
210-QQuarterly & Annual Report0001477932-26-004988Aug 13, 2026 4:16 PM
38-KCurrent Report0001477932-26-004563Jul 28, 2026 8:30 PM
4ARSOthers0001477932-26-003964Jun 24, 2026 7:31 AM
5DEF 14AOthers0001477932-26-003963Jun 24, 2026 7:30 AM
6PRE 14AOthers0001477932-26-003688Jun 8, 2026 8:15 PM
710-QQuarterly & Annual Report0001477932-26-003054May 13, 2026 4:16 PM
88-KCurrent Report0001477932-26-002995May 12, 2026 8:16 PM
93Insider Transaction0000945836-26-000003May 6, 2026 9:47 PM
103Insider Transaction0000945836-26-000003May 6, 2026 9:47 PM
118-KCurrent Report0001477932-26-002802May 6, 2026 8:15 PM
128-KCurrent Report0001477932-26-002165Apr 13, 2026 8:15 PM
1310-KQuarterly & Annual Report0001477932-26-001835Mar 31, 2026 8:15 PM
148-KCurrent Report0001104659-26-029450Mar 17, 2026 8:05 PM
154Insider Transaction0001358094-26-000001Mar 2, 2026 1:39 PM
164Insider Transaction0001358094-26-000001Mar 2, 2026 1:39 PM
174Insider Transaction0001358094-26-000001Mar 2, 2026 1:39 PM
188-KCurrent Report0001104659-26-021534Feb 27, 2026 9:01 PM
19424B4Prospectus0001104659-26-021168Feb 27, 2026 3:11 PM
20CERTOthers0001143313-26-000011Feb 25, 2026 10:14 PM
21EFFECTOthers9999999995-26-000607Feb 17, 2026 5:15 AM
22CORRESPOthers0001104659-26-014433Feb 12, 2026 10:27 PM
23CORRESPOthers0001104659-26-014431Feb 12, 2026 10:25 PM
24CORRESPOthers0001104659-26-014430Feb 12, 2026 10:24 PM
25CORRESPOthers0001104659-26-014428Feb 12, 2026 10:22 PM
26S-1Prospectus0001104659-26-014131Feb 12, 2026 6:27 PM
278-A12BOthers0001104659-26-013041Feb 11, 2026 1:00 PM
28CORRESPOthers0001104659-26-012055Feb 9, 2026 9:00 PM
29CORRESPOthers0001104659-26-012054Feb 9, 2026 9:00 PM
30S-1Prospectus0001104659-26-009808Feb 3, 2026 10:11 PM
31S-1Prospectus0001104659-26-003397Jan 13, 2026 9:57 PM
328-KCurrent Report0001477932-26-000031Jan 5, 2026 9:37 PM
338-KCurrent Report0001477932-25-009214Dec 29, 2025 9:30 PM
344Insider Transaction0001358094-25-000008Dec 15, 2025 2:32 AM
354Insider Transaction0001358094-25-000008Dec 15, 2025 2:32 AM
364Insider Transaction0001358094-25-000008Dec 15, 2025 2:32 AM
374Insider Transaction0001358094-25-000007Dec 15, 2025 2:23 AM
384Insider Transaction0001358094-25-000006Dec 15, 2025 1:49 AM
394Insider Transaction0001358094-25-000006Dec 15, 2025 1:49 AM
404Insider Transaction0001358094-25-000006Dec 15, 2025 1:49 AM
4110-QQuarterly & Annual Report0001477932-25-008185Nov 13, 2025 9:16 PM
42DRSOthers0001104659-25-101822Oct 23, 2025 8:07 PM
4310-QQuarterly & Annual Report0001477932-25-005905Aug 14, 2025 8:17 PM
444Insider Transaction0000945836-25-000004Jun 23, 2025 10:00 PM
454Insider Transaction0000945836-25-000003Jun 23, 2025 9:53 PM
468-KCurrent Report0001477932-25-004727Jun 20, 2025 8:30 PM
4710-QQuarterly & Annual Report0001477932-25-003808May 15, 2025 8:15 PM
4810-KQuarterly & Annual Report0001477932-25-002237Mar 31, 2025 8:25 PM
498-KCurrent Report0001477932-25-002233Mar 31, 2025 8:20 PM
508-KCurrent Report0001477932-25-001435Mar 4, 2025 5:07 PM
...

Birchtech Corp. SEC Filings API

Pull Birchtech Corp.'s SEC filing index, with links to every filing and exhibit, into your own tools with the Business Quant SEC Filings API. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/secfilings?ticker=BCHT&formtype=10-K,10-Q&api_key=YOUR_API_KEY