SEC Form 4 · accession 0001437749-26-021026

Stablecoin Development Corp · SDEV

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — Chief Executive Officer · Director · 10% Owner

Period of report

Jun 15, 2026

Accepted (ET)

Jun 17, 2026 · 8:26 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0001389545

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F2	Jun 15, 2026	X	11,332,020	$0.0024	A	22,693,236	I	By R01 Entities
Common Stock^F2	Jun 15, 2026	S	24,720	$1.09	D	22,668,516	I	By R01 Entities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Pre-Funded Warrants (Right to Buy)^F2,F1	$0.0024	Jun 15, 2026	X	11,332,020	A	Jan 1, 2026	—	Common Stock	11,332,020	0	I

F1On June 16, 2026, the Reporting Person exercised a pre-funded warrant to purchase 11,332,020 shares of common stock for $0.002385 per share. The Reporting Person paid the exercise price on a cashless basis, resulting in the withholding of 24,720 of the warrant shares to pay the exercise price and issuing to the Reporting Person the remaining 11,307,300 shares.
F2The reported securities may also be deemed to be beneficially owned by R01 Fund LP ("R01 LP"), R01 Capital LLC ("R01 Capital") and R01 Capital Manager LLC ("R01 Capital Manager" and together with R01 LP, R01 Capital and the Reporting Person, the "R01 Entities"), each of which or whom disclaim beneficial ownership of these shares, except to the extent of its or his pecuniary interest in such shares, if any. R01 Capital is the general partner of R01 LP. R01 Capital Manager is the investment manager for R01 Capital. The Reporting Person is the managing member of R01 Capital Manager.