IonQ (IONQ) director Cardillo exercises options and sells 2,500 shares under 10b5-1 plan

Rhea-AI Filing Summary

IonQ, Inc. director and Executive Chair of IonQ Federal Robert T. Cardillo exercised stock options and sold shares under a pre-arranged trading plan. On April 16, 2026, he exercised options to acquire 2,500 shares of common stock at $11.24 per share and sold 2,500 shares of common stock at $44.90 per share in an open-market transaction. After these transactions, he directly held 139,967 shares of common stock. The filing notes the trades were made pursuant to a Rule 10b5-1 trading plan adopted on March 12, 2025 and amended on June 13, 2025.

Insider Trade Summary 10b5-1

Net Seller: 2,500 shares ($112,250)

Net Sell 3 txns

Insider Cardillo Robert T.

Role Director

Sold 2,500 shs ($112K)

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	2,500	$0.00	--
Exercise	Common Stock	2,500	$11.24	$28K
Sale	Common Stock	2,500	$44.90	$112K

Holdings After Transaction: Stock Option (Right to Buy) — 12,547 shares (Direct); Common Stock — 142,467 shares (Direct)

Footnotes (1)

1. The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 12, 2025 and amended on June 13, 2025. One-third of the shares subject to the option vested or will vest on February 26, 2025 and each one-year anniversary thereafter, subject to the Reporting Person's continued service through each such vesting date.

Key Figures

Options exercised: 2,500 shares Exercise price: $11.24/share Shares sold: 2,500 shares +3 more

6 metrics

Options exercised 2,500 shares Stock Option (Right to Buy) exercised on April 16, 2026

Exercise price $11.24/share Price paid per share on option exercise

Shares sold 2,500 shares Common stock open-market sale on April 16, 2026

Sale price $44.90/share Price received per share in open-market sale

Common shares held after 139,967 shares Direct IonQ common stock holdings after transactions

Derivative shares after exercise 12,547 options Stock options reported as held following derivative transaction

Key Terms

Rule 10b5-1 trading plan, Stock Option (Right to Buy), open-market sale, Common Stock

4 terms

Rule 10b5-1 trading plan regulatory

"The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Stock Option (Right to Buy) financial

"security_title: "Stock Option (Right to Buy)""

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"underlying_security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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).

X

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^*

Cardillo Robert T.

(Last) (First) (Middle)

C/O IONQ, INC.

4505 CAMPUS DRIVE

(Street)

COLLEGE PARK MARYLAND 20740

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)	X	Other (specify below)
			Executive Chair, IonQ Federal

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/16/2026

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
Common Stock	04/16/2026		M(1)		2,500	A	$11.24	142,467	D
Common Stock	04/16/2026		S(1)		2,500	A	$44.9	139,967	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
Stock Option (Right to Buy)	$11.24	04/16/2026		M			2,500	(2)	02/26/2034	Common Stock	26,320	$0	12,547	D

Explanation of Responses:

1. The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 12, 2025 and amended on June 13, 2025.

2. One-third of the shares subject to the option vested or will vest on February 26, 2025 and each one-year anniversary thereafter, subject to the Reporting Person's continued service through each such vesting date.

	/s/ Tyler T. Rosenbaum, Assistant Secretary, by Power of Attorney	04/17/2026
	** 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 did IonQ (IONQ) director Robert T. Cardillo do in this Form 4 filing?

Robert T. Cardillo exercised stock options for 2,500 IonQ shares and sold 2,500 shares in the open market. These transactions were part of a pre-arranged Rule 10b5-1 trading plan and left him with 139,967 common shares held directly.

At what prices did Robert T. Cardillo exercise and sell IonQ (IONQ) shares?

He exercised options to acquire 2,500 IonQ shares at an exercise price of $11.24 per share, then sold 2,500 common shares at $44.90 per share. This reflects an exercise-and-sell pattern, converting an option position into cash while maintaining a substantial remaining shareholding.

How many IonQ (IONQ) shares does Robert T. Cardillo hold after these transactions?

Following the reported transactions, Robert T. Cardillo directly holds 139,967 shares of IonQ common stock. This figure reflects his position after exercising 2,500 options and selling 2,500 shares on April 16, 2026, as disclosed in the Form 4 filing.

Were Robert T. Cardillo’s IonQ (IONQ) trades made under a Rule 10b5-1 plan?

Yes. The Form 4 states the transactions were effected pursuant to a Rule 10b5-1 trading plan. That plan was adopted on March 12, 2025 and later amended on June 13, 2025, indicating the sales were pre-scheduled rather than timed opportunistically.

What type of securities did Robert T. Cardillo exercise in this IonQ (IONQ) filing?

He exercised a "Stock Option (Right to Buy)" covering 2,500 underlying IonQ common shares at an exercise price of $11.24 per share. The option is scheduled to vest in thirds around February 26 of successive years, subject to continued service conditions.