IonQ insider plans sale of 17,690 shares

IonQ, Inc. insider Niccolo de Masi filed a notice under Rule 144 indicating an intention to sell up to 17,690 shares of common stock through E-Trade Financial Corporation, with sales expected to begin on September 11, 2026 on the NYSE.

Rhea-AI Filing Summary

IonQ, Inc. insider Niccolo de Masi filed a notice under Rule 144 indicating an intention to sell up to 17,690 shares of common stock through E-Trade Financial Corporation, with sales expected to begin on September 11, 2026 on the NYSE. The notice also reports a prior sale of 16,120 shares of common stock on June 11, 2026, described as shares sold to cover tax withholding obligations related to vesting of restricted stock units.

Key Figures

Shares potentially to be sold: 17,690 shares Approximate sale commencement date: September 11, 2026 Shares sold in past 3 months: 16,120 shares +2 more

5 metrics

Shares potentially to be sold 17,690 shares Common stock covered by the Rule 144 notice for Niccolo de Masi

Approximate sale commencement date September 11, 2026 Proposed start date for Rule 144 sales of 17,690 shares

Shares sold in past 3 months 16,120 shares Common stock sold on June 11, 2026 for Niccolo de Masi

Total sale price for past 3-month transaction 906,027.82 Consideration received for 16,120 shares sold on June 11, 2026

Date of notice September 10, 2026 Filing date of the Rule 144 notice

Key Terms

Rule 144, restricted stock units, Equity Compensation

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock units financial

"Shares sold to cover tax withholding obligations in connection with the vesting of restricted stock units."

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.

Equity Compensation financial

"09/10/2026 | Equity Compensation"

Equity compensation is pay given to employees, executives or contractors in the form of company ownership—such as stock, stock options or restricted shares—rather than just cash. It matters to investors because it can align workers' incentives with shareholders (like paying someone in slices of the same pie they help grow), but it also increases the number of shares outstanding and company expenses, affecting ownership percentages and earnings per share.

FAQ

What does the Form 144 filing disclose for IonQ (IONQ)?

It discloses that Niccolo de Masi filed a Rule 144 notice for a potential sale of 17,690 shares of IonQ common stock through E-Trade, with sales expected to begin on September 11, 2026 on the NYSE.

How many IonQ (IONQ) shares are covered by this Rule 144 notice?

The notice covers up to 17,690 shares of IonQ common stock that may be sold for the account of Niccolo de Masi under Rule 144.

When might the Rule 144 sales of IonQ (IONQ) shares begin?

The filing states an approximate date of sale commencement of September 11, 2026 for the potential sale of 17,690 IonQ common shares under Rule 144.

What IonQ (IONQ) shares has Niccolo de Masi sold in the past 3 months?

The filing reports that Niccolo de Masi sold 16,120 shares of IonQ common stock on June 11, 2026 for a total sale price of 906,027.82.

Why were some IonQ (IONQ) shares previously sold according to the filing?

The remarks state that shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units.

Who signed the IonQ (IONQ) Form 144 notice?

The notice is signed /s/ Tyler T. Rosenbaum, identified as Assistant Secretary, acting by power of attorney.

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Available on EDGAR 09/10/2026 - 05:15 PM Accepted by SEC EDGAR 09/10/2026 - 05:15 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001480011
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	IonQ, Inc.
SEC File Number	001-39694
Address of Issuer	4505 Campus Drive College Park MARYLAND 20740
Phone	301-298-7997
Name of Person for Whose Account the Securities are To Be Sold	de Masi Niccolo
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	E-Trade Financial Corporation PO Box 484 Jersey City NJ 07303-0484	17690	668328	381002314	09/11/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	09/10/2026	Vesting of Restricted Stock Units	Issuer			17690	09/10/2026	Equity Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Niccolo de Masi 4505 Campus Drive College Park MD 20740	Common Stock	06/11/2026	16120	906027.82

144: Remarks and Signature

Remarks	Shares sold to cover tax withholding obligations in connection with the vesting of restricted stock units.
Date of Notice	09/10/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/Tyler T. Rosenbaum, Assistant Secretary, by Power of Attorney
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)