Matternet, Inc. (MTTN) Corporate Subsidiaries
Matternet, Inc. (MTTN) is a publicly traded company on the OTC, categorized under SIC 3721 (Aircraft). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: MTTN
CIK: 2075109
Exchange: OTC
SIC 3721: Aircraft
Fiscal Year End: 09/30
State: DE
Independent PCAOB Auditor
Explore PCAOB Audit Intelligence →
Audit Firm
Grassi & Co., CPAs, P.C.
Auditor SinceSince 12/31/2025 12:00:00 AM
Lead Engagement PartnerPatrick Fahey
Audit LocationJericho, New York, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| PRE 14A | 2026-11-02 | 2026-11-02 | PROXY STATEMENT | 0001213900-26-115017 | View SEC Doc Filr Page |
| 424B5 | 2026-10-28 | — | PROSPECTUS SUPPLEMENT | 0001213900-26-113325 | View SEC Doc Filr Page |
| 8-K | 2026-10-28 | 2026-10-22 | CURRENT REPORT | 0001213900-26-113324 | View SEC Doc Filr Page |
| 424B5 | 2026-10-07 | — | PROSPECTUS SUPPLEMENT | 0001213900-26-107575 | View SEC Doc Filr Page |
| 8-K | 2026-10-07 | 2026-10-01 | CURRENT REPORT | 0001213900-26-107571 | View SEC Doc Filr Page |
| 424B5 | 2026-09-28 | — | PROSPECTUS SUPPLEMENT | 0001213900-26-103671 | View SEC Doc Filr Page |
| 8-K | 2026-09-28 | 2026-09-25 | CURRENT REPORT | 0001213900-26-103670 | View SEC Doc Filr Page |
| 424B5 | 2026-09-21 | — | PROSPECTUS SUPPLEMENT | 0001213900-26-101853 | View SEC Doc Filr Page |
| 8-K | 2026-09-21 | 2026-09-21 | CURRENT REPORT | 0001213900-26-101840 | View SEC Doc Filr Page |
| 424B5 | 2026-08-19 | — | PROSPECTUS SUPPLEMENT | 0001213900-26-091674 | View SEC Doc Filr Page |
| 10-Q | 2026-08-19 | 2026-06-30 | QUARTERLY REPORT | 0001213900-26-091658 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-18 | — | SCHEDULE 13G/A Filing | 0001213900-26-091355 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-17 | — | SCHEDULE 13G/A Filing | 0001213900-26-090938 | View SEC Doc Filr Page |
| NT 10-Q | 2026-08-17 | 2026-06-30 | NOTIFICATION OF LATE FILING | 0001213900-26-090744 | View SEC Doc Filr Page |
| EFFECT | 2026-08-11 | — | EFFECT Filing | 9999999995-26-002611 | View SEC Doc Filr Page |
| 424B5 | 2026-08-11 | — | PROSPECTUS | 0001213900-26-087808 | View SEC Doc Filr Page |
| 4 | 2026-08-05 | 2026-08-03 | 4 Filing | 0001789481-26-000007 | View SEC Doc Filr Page |
| 3 | 2026-08-05 | 2026-07-28 | 3 Filing | 0001789481-26-000005 | View SEC Doc Filr Page |
| S-1/A | 2026-08-03 | — | AMENDMENT NO. 1 TO FORM S-1 | 0001213900-26-084193 | View SEC Doc Filr Page |
| 8-K | 2026-07-30 | 2026-07-28 | CURRENT REPORT | 0001213900-26-083327 | View SEC Doc Filr Page |
| S-1 | 2026-06-30 | — | REGISTRATION STATEMENT | 0001213900-26-073335 | View SEC Doc Filr Page |
| 8-K | 2026-06-15 | 2026-06-09 | CURRENT REPORT | 0001213900-26-068867 | View SEC Doc Filr Page |
| D | 2026-06-08 | — | D Filing | 0002075109-26-000003 | View SEC Doc Filr Page |
| D | 2026-06-08 | — | D Filing | 0002075109-26-000002 | View SEC Doc Filr Page |
| SCHEDULE 13D | 2026-06-01 | — | SCHEDULE 13D Filing | 0001213900-26-063741 | View SEC Doc Filr Page |