Solana Co SEC filings HSDT
Solana Co has 729 filings in SEC EDGAR's recent list, going back to Jun 16, 2014. Its latest annual report, Form ARS, was filed on Apr 14, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 30, 2026 (regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 15, 2026 | — |
| 4 | Insider transaction | Aug 24, 2026 | Aug 21, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 24, 2026 | — |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Jul 13, 2026 | May 11, 2026 |
| 3 | Initial insider ownership | Jul 13, 2026 | Sep 18, 2025 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Sep 18, 2025 |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4/A | Filing | May 26, 2026 | Mar 31, 2026 |
| 4/A | Filing | May 26, 2026 | Mar 31, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 26, 2026 | — |
| 4 | Insider transaction | May 22, 2026 | May 11, 2026 |
| 3 | Initial insider ownership | May 22, 2026 | Sep 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 13, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | Sep 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 8, 2026 | — |
| 3/A | Filing | Apr 30, 2026 | Apr 23, 2026 |
| 3 | Initial insider ownership | Apr 30, 2026 | Apr 23, 2026 |
| 3 | Initial insider ownership | Apr 6, 2026 | Apr 6, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 2, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 5, 2026 | — |
| 3 | Initial insider ownership | Oct 31, 2025 | Oct 30, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 2, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Oct 2, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Sep 25, 2025 | — |
| 3 | Initial insider ownership | Sep 25, 2025 | Sep 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 4 | Insider transaction | Jul 3, 2025 | Jul 2, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 2, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 2, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 2, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 2, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 2, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 2, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 13, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 10, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 10, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 6, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| 4 | Insider transaction | Jan 8, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 8, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 8, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 8, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 8, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 8, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 8, 2025 | Jan 6, 2025 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| 4 | Insider transaction | Jul 5, 2024 | Jul 2, 2024 |
| 4 | Insider transaction | Jul 5, 2024 | Jul 2, 2024 |
| 4 | Insider transaction | Jul 5, 2024 | Jul 2, 2024 |
| 4 | Insider transaction | Jul 5, 2024 | Jul 2, 2024 |
| 4 | Insider transaction | Jul 5, 2024 | Jul 2, 2024 |
| 4 | Insider transaction | Jul 5, 2024 | Jul 2, 2024 |
| 4 | Insider transaction | Jul 5, 2024 | Jul 2, 2024 |
| SC 13G | Ownership over 5% (passive) | May 14, 2024 | — |
| 4/A | Form 4/a | Feb 15, 2024 | Nov 30, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2024 | — |
| 4 | Insider transaction | Dec 15, 2023 | Dec 14, 2023 |
| 4 | Insider transaction | Dec 4, 2023 | Nov 30, 2023 |
| SC 13G | Ownership over 5% (passive) | Oct 31, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 11, 2023 | — |
| 4 | Insider transaction | Aug 30, 2023 | Aug 28, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 4 | Insider transaction | Feb 16, 2023 | Feb 14, 2023 |
| 4 | Insider transaction | Feb 16, 2023 | Feb 14, 2023 |
| 4 | Insider transaction | Feb 16, 2023 | Feb 14, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2023 | — |
| 4 | Insider transaction | Dec 19, 2022 | Dec 16, 2022 |
| 4/A | Filing | Nov 25, 2022 | Nov 22, 2022 |
| 4 | Insider transaction | Nov 23, 2022 | Nov 22, 2022 |
| 4 | Insider transaction | Nov 18, 2022 | Nov 16, 2022 |
| 4 | Insider transaction | Sep 14, 2022 | Sep 13, 2022 |
| 4 | Insider transaction | Sep 14, 2022 | Sep 13, 2022 |
| 4 | Insider transaction | Sep 14, 2022 | Sep 12, 2022 |
| 4 | Insider transaction | Aug 26, 2022 | Aug 24, 2022 |
| SC 13G | Ownership over 5% (passive) | Aug 15, 2022 | — |
| 4 | Insider transaction | May 25, 2022 | May 23, 2022 |
| 4 | Insider transaction | May 25, 2022 | May 23, 2022 |
| 4 | Insider transaction | May 25, 2022 | May 23, 2022 |
| 4 | Insider transaction | May 25, 2022 | May 23, 2022 |
| 4 | Insider transaction | May 25, 2022 | May 23, 2022 |
| 4 | Insider transaction | May 25, 2022 | May 23, 2022 |
| 4 | Insider transaction | Feb 18, 2022 | Feb 16, 2022 |
| 4 | Insider transaction | Feb 18, 2022 | Feb 16, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2022 | — |
| 4 | Insider transaction | Dec 21, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Dec 20, 2021 | Dec 17, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 16, 2021 | — |
| 4 | Insider transaction | Nov 15, 2021 | Nov 12, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 17, 2021 | — |
| 4 | Insider transaction | Sep 16, 2021 | Sep 15, 2021 |
| 4 | Insider transaction | Sep 14, 2021 | Sep 10, 2021 |
| 3 | Initial insider ownership | Sep 14, 2021 | Sep 10, 2021 |
| 4 | Insider transaction | Sep 13, 2021 | Sep 10, 2021 |
| 4 | Insider transaction | Sep 9, 2021 | Sep 7, 2021 |
| 4 | Insider transaction | Jul 8, 2021 | Jul 7, 2021 |
| 3 | Initial insider ownership | Jul 8, 2021 | Jul 6, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 15, 2021 | — |
| 4 | Insider transaction | Jun 15, 2021 | Jun 14, 2021 |
| 4 | Insider transaction | Jun 15, 2021 | Jun 14, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 3, 2021 | — |
| 4 | Insider transaction | Jun 2, 2021 | Jun 2, 2021 |
| 4 | Insider transaction | May 27, 2021 | May 25, 2021 |
| 4 | Insider transaction | May 27, 2021 | May 25, 2021 |
| 4 | Insider transaction | May 27, 2021 | May 25, 2021 |
| 4 | Insider transaction | May 27, 2021 | May 25, 2021 |
| 4 | Insider transaction | May 27, 2021 | May 25, 2021 |
| 4 | Insider transaction | May 27, 2021 | May 25, 2021 |
| 4 | Insider transaction | Apr 5, 2021 | Apr 1, 2021 |
| 3 | Initial insider ownership | Mar 23, 2021 | Mar 15, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| 4 | Insider transaction | Feb 3, 2021 | Feb 1, 2021 |
| SC 13G | Ownership over 5% (passive) | Jan 20, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 5, 2021 | — |
| SC 13D | Ownership over 5% (active) | Nov 5, 2020 | — |
| 4 | Insider transaction | Oct 26, 2020 | Oct 21, 2020 |
| 4 | Insider transaction | Oct 26, 2020 | Oct 21, 2020 |
| 4 | Insider transaction | Oct 7, 2020 | Oct 5, 2020 |
| 4 | Insider transaction | Oct 7, 2020 | Oct 5, 2020 |
| 4 | Insider transaction | Aug 3, 2020 | Jul 31, 2020 |
| 4 | Insider transaction | Jul 16, 2020 | Jul 15, 2020 |
| 4 | Insider transaction | Jul 2, 2020 | Jun 30, 2020 |
| 4/A | Form 4/a submission | Jun 16, 2020 | Jun 10, 2020 |
| 4/A | Form 4/a submission | Jun 16, 2020 | Jun 10, 2020 |
| 4/A | Form 4/a submission | Jun 16, 2020 | Jun 10, 2020 |
| 3/A | Form 3/a submission | Jun 16, 2020 | Jun 10, 2020 |
| 4/A | Form 4/a submission | Jun 16, 2020 | Jun 10, 2020 |
| 4 | Insider transaction | Jun 16, 2020 | Jun 15, 2020 |
| 4 | Insider transaction | Jun 12, 2020 | Jun 10, 2020 |
| 4 | Insider transaction | Jun 12, 2020 | Jun 10, 2020 |
| 3 | Initial insider ownership | Jun 12, 2020 | Jun 10, 2020 |
| 4 | Insider transaction | Jun 12, 2020 | Jun 10, 2020 |
| 4 | Insider transaction | Jun 12, 2020 | Jun 10, 2020 |
| 4 | Insider transaction | Jun 1, 2020 | May 29, 2020 |
| 4 | Insider transaction | May 19, 2020 | May 15, 2020 |
| 4/A | Form 4/a submission | May 19, 2020 | May 13, 2020 |
| 4 | Insider transaction | May 18, 2020 | May 15, 2020 |
| 4 | Insider transaction | May 15, 2020 | May 13, 2020 |
| 4 | Insider transaction | May 15, 2020 | May 13, 2020 |
| 4 | Insider transaction | May 1, 2020 | Apr 30, 2020 |
| 4 | Insider transaction | May 1, 2020 | Apr 30, 2020 |
| 4 | Insider transaction | Apr 20, 2020 | Apr 16, 2020 |
| 4 | Insider transaction | Apr 17, 2020 | Apr 15, 2020 |
| 4 | Insider transaction | Apr 17, 2020 | Apr 15, 2020 |
| 4 | Insider transaction | Apr 6, 2020 | Mar 31, 2020 |
| 4 | Insider transaction | Apr 6, 2020 | Mar 31, 2020 |
| SC 13G | Ownership over 5% (passive) | Mar 30, 2020 | — |
| 4 | Insider transaction | Mar 23, 2020 | Mar 19, 2020 |
| SC 13G | Ownership over 5% (passive) | Mar 18, 2020 | — |
| 4 | Insider transaction | Mar 16, 2020 | Mar 13, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 13, 2020 |
| 4 | Insider transaction | Mar 2, 2020 | Feb 28, 2020 |
| 4 | Insider transaction | Mar 2, 2020 | Feb 28, 2020 |
| 4 | Insider transaction | Feb 18, 2020 | Feb 14, 2020 |
| 4 | Insider transaction | Feb 18, 2020 | Feb 14, 2020 |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2020 | — |
| 4 | Insider transaction | Feb 4, 2020 | Jan 31, 2020 |
| 4 | Insider transaction | Feb 4, 2020 | Jan 31, 2020 |
| 4 | Insider transaction | Jan 17, 2020 | Jan 15, 2020 |
| 4 | Insider transaction | Jan 17, 2020 | Jan 15, 2020 |
| 4 | Insider transaction | Jan 3, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Jan 3, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 13, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 13, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 7, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 7, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 7, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 7, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 7, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 7, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 7, 2019 |
| 4 | Insider transaction | Nov 29, 2019 | Nov 27, 2019 |
| SC 13G | Ownership over 5% (passive) | Nov 25, 2019 | — |
| 4 | Insider transaction | Nov 1, 2019 | Oct 29, 2019 |
| 4 | Insider transaction | Apr 18, 2019 | Apr 5, 2019 |
| 4 | Insider transaction | Apr 1, 2019 | Mar 28, 2019 |
| 4 | Insider transaction | Apr 1, 2019 | Mar 28, 2019 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Finance Services (SIC 6199)
- Listed as
- HSDT (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Philadelphia, PA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1610853
- Former names
- HELIUS MEDICAL TECHNOLOGIES, INC. (until Sep 29, 2025); HELIUS MEDICAL TECHNOLOGIES, INC (until May 17, 2018)
Other Finance Services companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.