13D Filings
Stablecoin Development Corp
NBY
Amendment
Ownership

50.30%

Total Shares

37,548,058

Issuer CIK

1389545

Event Date

May 16, 2026

Accepted

May 19, 2026, 09:02 PM

Reporting Persons (4)
Joint Filing

This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.

NameType% of ClassAggregateSole VotingShared Voting
Michael Kazley
Individual
50.30%37,548,058033,429,230
R01 Fund LP
Partnership
47.40%33,429,230033,429,230
R01 Capital LLC
Other
47.40%33,429,230033,429,230
R01 Capital Manager LLC
Other
47.40%33,429,230033,429,230
Disclosure Items (2)

Security Title

Common Stock, $0.01 par value

Issuer Name

Stablecoin Development Corp

Issuer Address

2000 POWELL STREET, SUITE 1150, EMERYVILLE, CA, 94608

Percentage of Class

R01 Fund LP, R01 Capital LLC and R01 Capital Manager LLC beneficially own an aggregate of 33,429,230.00 shares of Common Stock (the "R01 Shares"). The R01 Shares represent approximately 47.4% of the outstanding shares of Common Stock. This percentage calculation is based on 27,115,646 shares of Common Stock outstanding as of May 17, 2026 and also contemplates the vesting of pre-funded warrants to purchase 10,021,850 shares of Common Stock issued by the Issuer to Framework Ventures IV L.P., Framework Ventures Management LLC, Framework Ventures IV GP LLC, Vance Spencer and Michael Ernest Anderson, each of which or whom may also be deemed to beneficially own the shares held by the Reporting Persons for the purposes of Rule 13d-3 under the Exchange Act. Michael Kazley beneficially owns an aggregate of 37,548,058.00 shares of Common Stock (the "Kazley Shares", and together with the R01 Shares, the "Subject Shares"). The Kazley Shares represent approximately 50.3% of the outstanding shares of Common Stock. This percentage calculation is based on 27,115,646 shares of Common Stock outstanding as of May 17, 2026 and also contemplates the vesting of pre-funded warrants to purchase 10,021,850 shares of Common Stock issued by the Issuer to Framework Ventures IV L.P., Framework Ventures Management LLC, Framework Ventures IV GP LLC, Vance Spencer and Michael Ernest Anderson, each of which or whom may also be deemed to beneficially own the shares held by the Reporting Persons for the purposes of Rule 13d-3 under the Exchange Act.

Number of Shares

1. Sole power to vote or direct vote: R01 Fund LP, R01 Capital LLC and R01 Capital Manager LLC: 0 shares of Common Stock Michael Kazley: 0 shares of Common Stock 2. Shared power to vote or direct vote: R01 Fund LP, R01 Capital LLC and R01 Capital Manager LLC: 33,429,230.00 shares of Common Stock Michael Kazley: 33,429,230.00 shares of Common Stock 3. Sole power to dispose or direct the disposition: R01 Fund LP, R01 Capital LLC and R01 Capital Manager LLC: 0 shares of Common Stock Michael Kazley: 4,118,828 shares of Common Stock 4. Shared power to dispose or direct the disposition: R01 Fund LP, R01 Capital LLC and R01 Capital Manager LLC: 33,429,230.00 shares of Common Stock Michael Kazley: 33,429,230.00 shares of Common Stock

Transactions

Except as described in this Schedule 13D, none of the Reporting Persons have effected any transaction in the shares of Common Stock during the past 60 days.

Shareholders

No person other than the Reporting Persons is known to have the right to receive, or the power to direct the receipt of dividends from, or proceeds from the sale of, the Subject Shares.

Date of 5% Ownership

Not applicable.

Stablecoin Development Corp — Schedule 13D | 13D Filings