Niccolo de Masi - Sep 11, 2025 Form 4 Insider Report for IonQ, Inc. (IONQ)

Role: President and CEO, Director
Signature: /s/ Kevin Caimi, Attorney-in-Fact
Stock symbol: IONQ
Transactions as of: Sep 11, 2025
Transactions value $: -$715,754
Form type: 4
Date filed: 9/12/2025, 09:00 PM
Previous filing: Aug 15, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
de Masi Niccolo	President and CEO, Director	C/O IONQ, INC., 4505 CAMPUS DRIVE, COLLEGE PARK	/s/ Kevin Caimi, Attorney-in-Fact	2025-09-12	0001480011

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IONQ	Common Stock	Sale	-$716K	-16.1K	-1.35%	$44.40	1.18M	Sep 11, 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of statutory tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary sale by the Reporting Person.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.41 to $45.505, 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.

Content

Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of statutory tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary sale by the Reporting Person.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.41 to $45.505, 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.