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 |
|---|---|---|---|
| 424B5 | Prospectus supplement | Sep 30, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 30, 2026 | Sep 30, 2026 |
| 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 | — |
| 10-Q | Quarterly report | Aug 14, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2026 | Aug 14, 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 |
| 8-K |
Current report
Material agreement
|
May 29, 2026 | May 29, 2026 |
| 424B5 | Prospectus supplement | May 29, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 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 | 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 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
May 22, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 11, 2026 |
| 3 | Initial insider ownership | May 22, 2026 | Sep 18, 2025 |
| DEFA14A | Additional proxy material | May 18, 2026 | — |
| 10-Q | Quarterly report | May 15, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 15, 2026 | May 15, 2026 |
| 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 | — |
| DEFA14A | Additional proxy material | May 1, 2026 | — |
| 3/A | Filing | Apr 30, 2026 | Apr 23, 2026 |
| 3 | Initial insider ownership | Apr 30, 2026 | Apr 23, 2026 |
| 424B5 | Prospectus supplement | Apr 27, 2026 | — |
| 8-K |
Current report
Unregistered share sale, Regulation FD disclosure, Other events
|
Apr 27, 2026 | Apr 27, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 24, 2026 | Apr 22, 2026 |
| ARS | Annual report to shareholders | Apr 14, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 13, 2026 | Apr 8, 2026 |
| DEF 14A | Proxy statement | Apr 10, 2026 | May 21, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 9, 2026 | Apr 9, 2026 |
| EFFECT | Filing | Apr 8, 2026 | — |
| EFFECT | Filing | Apr 8, 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 |
| S-8 | Employee stock plan registration | Mar 31, 2026 | — |
| POS AM | Filing | Mar 31, 2026 | — |
| POS AM | Filing | Mar 31, 2026 | — |
| 10-K | Annual report | Mar 31, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 31, 2026 | Mar 30, 2026 |
| POSASR | Filing | Mar 30, 2026 | — |
| POSASR | Filing | Mar 30, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 2, 2026 | — |
| 8-K |
Current report
Other events
|
Feb 20, 2026 | Feb 20, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 5, 2026 | — |
| 10-Q | Quarterly report | Nov 18, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 18, 2025 | Nov 18, 2025 |
| POSASR | Filing | Nov 18, 2025 | — |
| 424B7 | Filing | Nov 17, 2025 | — |
| NT 10-Q | Filing | Nov 12, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Nov 5, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 3, 2025 | Nov 3, 2025 |
| 3 | Initial insider ownership | Oct 31, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Oct 31, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 29, 2025 | Oct 29, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 21, 2025 | Oct 20, 2025 |
| S-3ASR | Automatic shelf registration | Oct 20, 2025 | — |
| 8-K |
Current report
Auditor change
|
Oct 16, 2025 | Oct 15, 2025 |
| DEF 14A | Proxy statement | Oct 14, 2025 | Oct 30, 2025 |
| PRE 14A | Preliminary proxy statement | Oct 2, 2025 | Oct 2, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 2, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Oct 2, 2025 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Sep 29, 2025 | Sep 29, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Sep 25, 2025 | — |
| 3 | Initial insider ownership | Sep 25, 2025 | Sep 18, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 25, 2025 | Sep 24, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 22, 2025 | Sep 22, 2025 |
| S-3ASR | Automatic shelf registration | Sep 22, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
|
Sep 18, 2025 | Sep 15, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Sep 15, 2025 | Sep 15, 2025 |
| 424B5 | Prospectus supplement | Sep 15, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
|
Sep 15, 2025 | Sep 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 10-Q | Quarterly report | Aug 14, 2025 | Jun 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 8-K |
Current report
Other events
|
Jul 21, 2025 | Jul 21, 2025 |
| S-8 | Employee stock plan registration | Jul 10, 2025 | — |
| 8-K |
Current report
Other events
|
Jul 9, 2025 | Jul 7, 2025 |
| 8-K |
Current report
Other events
|
Jul 7, 2025 | Jul 7, 2025 |
| 424B5 | Prospectus supplement | Jul 7, 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 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Jun 27, 2025 | Jun 27, 2025 |
| 8-K |
Current report
Other events
|
Jun 23, 2025 | Jun 23, 2025 |
| 8-K |
Current report
Officer or director change
|
Jun 20, 2025 | Jun 16, 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 | — |
| 424B4 | Prospectus | Jun 6, 2025 | — |
| EFFECT | Filing | Jun 4, 2025 | — |
| 8-K |
Current report
Other events
|
Jun 4, 2025 | Jun 3, 2025 |
| CORRESP | Letter to the SEC | Jun 3, 2025 | — |
| CORRESP | Letter to the SEC | Jun 2, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| CORRESP | Letter to the SEC | May 28, 2025 | — |
| CORRESP | Letter to the SEC | May 28, 2025 | — |
| S-1 | Registration statement | May 23, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2025 | May 23, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| DEF 14A | Proxy statement | May 2, 2025 | May 23, 2025 |
| 10-Q | Quarterly report | May 1, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Apr 30, 2025 | Apr 30, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Apr 25, 2025 | Apr 24, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 22, 2025 | May 23, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Apr 22, 2025 | Apr 21, 2025 |
| UPLOAD | Letter from the SEC | Apr 21, 2025 | — |
| DRSLTR | Filing | Apr 15, 2025 | — |
| DRS | Filing | Apr 15, 2025 | — |
| 8-K |
Current report
Listing notice
|
Apr 4, 2025 | Mar 31, 2025 |
| ARS | Annual report to shareholders | Apr 4, 2025 | Dec 31, 2024 |
| EFFECT | Filing | Mar 27, 2025 | — |
| 424B5 | Prospectus supplement | Mar 26, 2025 | — |
| CORRESP | Letter to the SEC | Mar 26, 2025 | — |
| S-8 | Employee stock plan registration | Mar 25, 2025 | — |
| S-3/A | Filing | Mar 25, 2025 | — |
| DEF 14A | Proxy statement | Mar 25, 2025 | Apr 21, 2025 |
| 10-K | Annual report | Mar 25, 2025 | Dec 31, 2024 |
| PRE 14A | Preliminary proxy statement | Mar 14, 2025 | Apr 21, 2025 |
| 8-K |
Current report
Listing notice, Other events
|
Feb 7, 2025 | Feb 7, 2025 |
| UPLOAD | Letter from the SEC | Feb 5, 2025 | — |
| D | Filing | Jan 31, 2025 | — |
| S-3 | Shelf registration | Jan 31, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Jan 24, 2025 | Jan 21, 2025 |
| 8-K |
Current report
Other events
|
Jan 15, 2025 | Jan 13, 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 |
| 8-K |
Current report
Other events
|
Dec 23, 2024 | Dec 23, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 18, 2024 | Nov 18, 2024 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| 10-Q | Quarterly report | Aug 12, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2024 | Aug 12, 2024 |
| 8-K |
Current report
Listing notice
|
Aug 9, 2024 | Aug 9, 2024 |
| S-8 | Employee stock plan registration | Jul 24, 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 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 28, 2024 | Jun 27, 2024 |
| DEFA14A | Additional proxy material | Jun 20, 2024 | — |
| 8-K |
Current report
Other events
|
Jun 3, 2024 | May 31, 2024 |
| 8-K | Current report | May 31, 2024 | May 30, 2024 |
| ARS | Annual report to shareholders | May 31, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | May 31, 2024 | Jun 27, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| SC 13G | Ownership over 5% (passive) | May 14, 2024 | — |
| 10-Q | Quarterly report | May 13, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 13, 2024 | May 13, 2024 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Other events
|
May 9, 2024 | May 6, 2024 |
| 424B4 | Prospectus | May 8, 2024 | — |
| EFFECT | Filing | May 6, 2024 | — |
| 8-K |
Current report
Other events
|
May 6, 2024 | May 6, 2024 |
| CORRESP | Letter to the SEC | May 3, 2024 | — |
| CORRESP | Letter to the SEC | May 2, 2024 | — |
| CORRESP | Letter to the SEC | May 1, 2024 | — |
| S-1/A | Amended registration statement | Apr 26, 2024 | — |
| UPLOAD | Letter from the SEC | Apr 23, 2024 | — |
| S-1 | Registration statement | Apr 15, 2024 | — |
| 8-K |
Current report
Listing notice
|
Apr 5, 2024 | Apr 4, 2024 |
| 10-K | Annual report | Mar 28, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 28, 2024 | Mar 28, 2024 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Mar 15, 2024 | Mar 12, 2024 |
| 8-K |
Current report
Other events
|
Mar 4, 2024 | Mar 4, 2024 |
| 4/A | Form 4/a | Feb 15, 2024 | Nov 30, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| 8-K |
Current report
Other events
|
Feb 9, 2024 | Feb 6, 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 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 4, 2023 | Dec 4, 2023 |
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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.