Company · CIK 728385
Birchtech Corp.
| CIK | 728385 (SEC EDGAR) |
|---|---|
| Industry (SIC) | 3829 — Measuring & Controlling Devices, NEC |
| Incorporated in | DE |
| Business address | TX |
| Listed | BCHT (NYSE) |
| First annual or quarterly report | 2008-05-19 |
Offerings
3 registrations| Registration | Label and status | First filed | Last event | Filings |
|---|---|---|---|---|
| 333-292701 | 2026-01-13 | 2026-02-27 | 5 | |
| 333-260960 | 2021-11-10 | 2022-08-24 | 2 | |
| 333-215307 | 2016-12-23 | 2017-01-10 | 2 |
Filings
10| Filed | Filing | Registration | Accession |
|---|---|---|---|
| 2026-02-27 | 424B4Final prospectus | 333-292701 | 0001104659-26-021168 |
| 2026-02-17 | EFFECTDeclared effective | 333-292701 | 9999999995-26-000607 |
| 2026-02-12 | S-1/AAmendment | 333-292701 | 0001104659-26-014131 |
| 2026-02-03 | S-1/AAmendment | 333-292701 | 0001104659-26-009808 |
| 2026-01-13 | S-1Registration filed | 333-292701 | 0001104659-26-003397 |
| 2025-10-23 | DRSDraft made public | 377-08605 | 0001104659-25-101822 |
| 2022-08-24 | RWWithdrawn | 333-260960 | 0001477932-22-006437 |
| 2021-11-10 | S-1Registration filed | 333-260960 | 0001477932-21-008001 |
| 2017-01-10 | EFFECTDeclared effective | 333-215307 | 9999999995-17-000071 |
| 2016-12-23 | S-1Registration filed | 333-215307 | 0001477932-16-014307 |