Form SCHEDULE 13D/A Solana Co Filed by: Morehead Daniel Wayne

The principal business office of the Reporting Persons is c/o Pantera Capital Management LP at 600 Montgomery St, 45th Floor, San Francisco, CA, 94111.

The principal occupation of Mr. Morehead is to serve as the Founder and Managing Partner of Pantera. The remaining Reporting Persons are principally engaged in the business of investment management or making, purchasing, selling and holding investments.

During the last five years, none of the Reporting Persons has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

During the last five years, none of the Reporting Persons was a party to a civil proceeding of a judicial administrative body of competent jurisdiction or was subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Mr. Morehead is a citizen of the United States. Pantera is organized under the laws of Delaware. Blockchain Fund and Liquid Token Fund are organized under the laws of Delaware. DAT Opportunities Fund is organized under the laws of the Cayman Islands.

Item 3 of the Statement is hereby amended and supplemented as follows: On May 21, 2026, Blockchain Fund exercised its Strategic Advisory Warrants for 1,100,000 Class A Common Shares at an exercise price of $0.01 per share, for an aggregate cash payment to the Issuer of $1,100. The Strategic Advisory Warrants were issued pursuant to the strategic advisory agreement, dated September 15, 2025 by and between the Issuer, Pantera Capital Management LP and Summer Wisdom Holdings Limited. The source of funds for the warrant exercise was working capital of Blockchain Fund, derived from the working capital of the Funds

Item 4 of the Statement is hereby amended and supplemented as follows: The information set forth or incorporated in Item 3 and Item 6 of this Amendment is hereby incorporated by reference in its entirety into this Item 4. On May 21, 2026, Blockchain Fund exercised its Strategic Advisory Warrants for 1,100,000 Class A Common Shares at an exercise price of $0.01 per share, for an aggregate cash payment to the Issuer of $1,100. Other than as described in this Item 4, none of the Reporting Persons presently has any additional plans or proposals that relate to or that would result in any of the transactions or other matters specified in clauses (a) through (j) of Item 4 of this Schedule 13D, but depending on the factors discussed herein, the Reporting Persons may change their purpose or formulate different plans or proposals with respect their investment in the Issuer at any time.

Item 5 of the Statement is hereby amended and restated as follows: On the date of this Amendment , Pantera, as investment manager of the Funds, and Mr. Morehead, as the Founder, Managing Partner and control person of Pantera, may be deemed to indirectly beneficially own, and have sole voting and dispositive power over, an aggregate of 4,997,319 shares of Common Stock, which is approximately 8.4% of the Common Stock issued and outstanding, comprising of: (1) 4,260,680 shares of Common Stock directly held by Blockchain Fund (or 7.16% of the Common Stock issued and outstanding); (2) 581,311 shares of Common Stock directly held by DAT Opportunities Fund (or 0.98% of the Common Stock issued and outstanding); (3) 145,328 shares of Common Stock directly held by Liquid Token Fund (or 0.24% of the Common Stock issued and outstanding); and (4) 10,000 shares of Common Stock directly held by Mr. Morehead (or 0.02% of the Common Stock issued and outstanding). The calculation of the percentage of Common Shares beneficially owned by Mr. Morehead and Pantera are based on the 58,386,675 Common Shares issued and outstanding as of May 12, 2026, as confirmed by the Issuer's transfer agent on such date, adjusted to include the exercise of 1,100,000 warrants and related issuance of 1,100,000 shares.

The information contained on the cover pages to this Amendment is incorporated by reference into this Item 5(b).

Except the information set forth in this Amendment, no transactions in any of the Common Stock have been effected by the Reporting Persons during the past sixty days.

None.

Not applicable.

The information set forth or incorporated in Item 3, Item 4 and Item 5 is hereby incorporated by reference in its entirety into this Item 6. The foregoing description of the Advisory Warrant does not purport to be complete and is qualified in its entirety by the full text of the Advisory Warrant that is incorporated by reference herein.

1. Form of Strategic Advisory Warrant (incorporated by reference to Exhibit 4.5 to the Issuer's Current Report on Form 8-K, filed with the SEC on September 15, 2025). 2. Joint Filing Agreement, dated September 25, 2025, by and among the Reporting Persons (previously filed with the Statement).