IonQ, Inc. (IONQ) CEO reports 16,290-share sale for RSU tax obligations

Rhea-AI Filing Summary

IonQ, Inc.'s President, CEO and director reported a sale of 16,290 shares of common stock on 12/11/2025 at a weighted average price of $50.4865 per share.

The shares were sold to satisfy the reporting person's tax liability arising from the vesting of restricted stock units. After this transaction, the insider directly beneficially owns 1,164,896 shares of IonQ common stock.

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

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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^*

de Masi Niccolo

(Last) (First) (Middle)

C/O IONQ, INC.

4505 CAMPUS DRIVE

(Street)

COLLEGE PARK MD 20740

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
IonQ, Inc. [ IONQ ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/11/2025

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

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

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

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
Common Stock	12/11/2025		F(1)		16,290	D	$50.4865(2)	1,164,896	D

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

Explanation of Responses:

1. The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.09 to $52.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Remarks:

Exhibit List - Exhibit 24 - Power of Attorney

	/s/ Tyler T. Rosenbaum, Assistant Secretary, by Power of Attorney	12/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did IonQ (IONQ) disclose in this filing?

IonQ disclosed that its President, CEO and director sold 16,290 shares of common stock on 12/11/2025 at a weighted average price of $50.4865 per share.

Why did the IonQ (IONQ) insider sell 16,290 shares?

The filing states the reported securities were sold to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units.

How many IonQ (IONQ) shares does the insider own after this transaction?

Following the reported sale, the insider directly beneficially owns 1,164,896 shares of IonQ common stock.

What price range did the IonQ (IONQ) share sales occur in?

The filing notes the weighted average price of $50.4865 reflects multiple transactions at prices ranging from $49.09 to $52.00, inclusive.

What roles does the reporting person hold at IonQ (IONQ)?

The reporting person is identified as a director and as an officer, holding the title of President and CEO of IonQ, Inc.

Is the IonQ (IONQ) filing about derivative securities or only common stock?

The reported transaction in Table I involves IonQ common stock; the derivative securities table contains no filled-in derivative transactions in this excerpt.