Kathryn K. Chou - 22 Dec 2025 Form 4 Insider Report for IonQ, Inc. (IONQ)

Reporting relationship: Director
Issuer ticker: IONQ
Reported as of: 22 Dec 2025
Net transaction value: -$251,950
SEC form: 4
Accepted by SEC: 23 Dec 2025, 21:55:03 UTC
Prior SEC filing: 12 Dec 2025
Next SEC filing: 22 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Tyler T. Rosenbaum, Assistant Secretary, by Power of Attorney

Key filing fact

Kathryn K. Chou filed Form 4 for IonQ, Inc. (IONQ) on 23 Dec 2025.

Key facts

This page summarizes Kathryn K. Chou's Form 4 filing for IonQ, Inc. (IONQ).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 23 Dec 2025, 21:55.

Change

Previous filing in this sequence was filed on 12 Dec 2025.
Current net transaction value: -$251,950.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001935209 Primary reporting owner

Chou Kathryn K.

Relationship: Director
Address: C/O IONQ, INC., 4505 CAMPUS DRIVE, COLLEGE PARK
Signature: /s/ Tyler T. Rosenbaum, Assistant Secretary, by Power of Attorney
Signature date: 23 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IONQ transaction

Common Stock

Options Exercise

Transaction value: $23,050
Shares: +5,000
Change %: +8.2%
Price: $4.61
Shares after: 65,839
Date: 22 Dec 2025
Ownership: Direct
Footnotes: F1

IONQ transaction

Common Stock

Sale

Transaction value: $275,000
Shares: -5,000
Change %: -7.6%
Price: $55.00
Shares after: 60,839
Date: 22 Dec 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

IONQ transaction Derivative

Stock Option (right to buy)

Options Exercise

Transaction value: $0
Shares: -5,000
Change %: -20%
Price: $0.000000
Shares after: 19,900
Date: 22 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 63,900
Exercise price: $4.61
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.

Footnote F2

This option, originally for 63,900 shares, vested in three equal annual installments commencing July 11, 2023.