140K RSUs awarded to Stablecoin Development (SDEV) director Yenyou

Rhea-AI Filing Summary

Zheng Yenyou reported acquisition or exercise transactions in this Form 4 filing.

Stablecoin Development Corp director Zheng Yenyou received a grant of 140,000 restricted stock units. Each unit represents a right to one share of common stock. The RSUs vest in three equal installments on February 16, 2027, January 16, 2028, and January 16, 2029, and this grant brings his reported holdings to 140,000 RSUs.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Zheng Yenyou

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	140,000	$0.00	--

Holdings After Transaction: Restricted Stock Units — 140,000 shares (Direct)

Footnotes (1)

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Key Figures

RSUs granted: 140,000 units Underlying common shares: 140,000 shares Post-grant RSU holdings: 140,000 units +3 more

6 metrics

RSUs granted 140,000 units Restricted stock units granted on March 31, 2026

Underlying common shares 140,000 shares Each RSU represents one share of common stock

Post-grant RSU holdings 140,000 units Total derivative securities following the transaction

First vesting date February 16, 2027 One-third of RSUs vest

Second vesting date January 16, 2028 Second one-third of RSUs vest

Final vesting date January 16, 2029 Final one-third of RSUs vest

Key Terms

Restricted Stock Units, contingent right, vest

3 terms

Restricted Stock Units financial

"Each restricted stock unit represents a contingent right to receive one share"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"represents a contingent right to receive one share of the issuer's common stock"

vest financial

"The restricted stock units will vest in equal one-third installments"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Zheng Yenyou

(Last) (First) (Middle)

C/O STABLECOIN DEVELOPMENT CORPORATION

2000 POWELL STREET, SUITE 1150

(Street)

EMERYVILLE CALIFORNIA 94608

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Stablecoin Development Corp [ SDEV ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	03/31/2026		A		140,000		(1)	(1)	Common Stock	140,000	$0	140,000	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. The restricted stock units will vest in equal one-third installments, with the first installment vesting on February 16, 2027, the second installment vesting on January 16, 2028, and the third installment vesting on January 16, 2029.

Remarks:

Exhibit 24 – Power of Attorney

	/s/ Tommy Law as attorney in fact for Yenyou Zheng	04/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Stablecoin Development Corp (SDEV) report for Zheng Yenyou?

Stablecoin Development Corp reported that director Zheng Yenyou received a grant of 140,000 restricted stock units. These equity awards are compensation-related and do not involve an open-market purchase or sale of the company’s stock.

How many restricted stock units did Zheng Yenyou receive from Stablecoin Development Corp (SDEV)?

Zheng Yenyou received 140,000 restricted stock units from Stablecoin Development Corp. Each unit represents a contingent right to receive one share of the company’s common stock, subject to a multi-year vesting schedule.

What is the vesting schedule for Zheng Yenyou’s 140,000 RSUs at Stablecoin Development Corp (SDEV)?

The 140,000 RSUs vest in three equal one-third installments. Vesting dates are February 16, 2027, January 16, 2028, and January 16, 2029, meaning the award will fully vest over approximately three years.

Does Zheng Yenyou’s RSU grant at Stablecoin Development Corp (SDEV) involve any immediate cash transaction?

The RSU grant does not involve an open-market cash transaction. It is a stock-based compensation award where each restricted stock unit is a contingent right to receive one share of common stock upon vesting.

How many derivative securities does Zheng Yenyou hold after this Stablecoin Development Corp (SDEV) grant?

After this grant, Zheng Yenyou is reported as holding 140,000 restricted stock units. These units are derivative securities that convert into an equal number of common shares as they vest over the stated schedule.