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NYSE · USD

IONQ

IonQ, Inc.

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Tapewire entity
3350
SEC CIK
0001824920
Parsed reports
245

Last 12 months

Inside the activity.

2 purchase rows · 12 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202511
Dec 202502
Jan 202600
Feb 202612
Mar 202601
Apr 202601
May 202601
Jun 202603
Jul 202600
Aug 202600
Sep 202601
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 11, 2026 Filed Sep 16, 2026 01:50 UTC
Singh Inder MCFO & COO
Tax withholdingCommon Stock 6,272 $37.09 $232,648.55
Disclosure

SEC source: 0001193125-26-392334 · ownership.xml · nonDerivative · entry 1

Singh Inder M · CIK 0001670723 · CFO & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 408,614

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.35 to $37.62, 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.

Read SEC document
September 11, 2026 Filed Sep 16, 2026 01:50 UTC
de Masi NiccoloDirector · President and CEO
Tax withholdingCommon Stock 16,121 $37.09 $597,979.48
Disclosure

SEC source: 0001193125-26-392333 · ownership.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,123,426

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.35 to $37.62, 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.

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September 11, 2026 Filed Sep 16, 2026 01:50 UTC
DACIER PAUL TCAO, CLO and Secretary
Tax withholdingCommon Stock 4,457 $37.09 $165,324.39
Disclosure

SEC source: 0001193125-26-392335 · ownership.xml · nonDerivative · entry 1

DACIER PAUL T · CIK 0001189870 · CAO, CLO and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,001

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.35 to $37.62, 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.

Read SEC document
September 10, 2026 Filed Sep 12, 2026 01:55 UTC
Raymond John wDirector · Special Advisor
SaleCommon Stock 2,407 $37.21 $89,564.47
Disclosure

SEC source: 0001193125-26-389607 · ownership.xml · nonDerivative · entry 1

Raymond John w · CIK 0002058452 · Director · Special Advisor

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 77,741

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 19, 2026.

Read SEC document
August 24, 2026 Filed Aug 26, 2026 20:05 UTC
Ball Eric R.Director
GrantCommon Stock 5,540 $0.00 $0.00
Disclosure

SEC source: 0001588852-26-000014 · ownership.xml · nonDerivative · entry 1

Ball Eric R. · CIK 0001588852 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,540

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the day before the date of the 2027 Annual Meeting or (ii) June 17, 2027, subject in all cases to the Reporting Person's continued service through such vesting date

Read SEC document
August 24, 2026 Filed Aug 26, 2026 20:12 UTC GrantCommon Stock 5,540 $0.00 $0.00
Disclosure

SEC source: 0001914275-26-000012 · ownership.xml · nonDerivative · entry 1

Baxter Timothy E · CIK 0001914275 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,922

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the day before the date of the 2027 Annual Meeting or (ii) June 17, 2027, subject in all cases to the Reporting Person's continued service through such vesting date.

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June 18, 2026 Filed Jun 23, 2026 01:55 UTC
Raymond John wDirector · Special Advisor
SaleCommon Stock 3,815 $55.01 $209,863.15
Disclosure

SEC source: 0001193125-26-278246 · ownership.xml · nonDerivative · entry 1

Raymond John w · CIK 0002058452 · Director · Special Advisor

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 80,148

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 19, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.18 to $56.56, 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.

Read SEC document
June 18, 2026 Filed Jun 23, 2026 01:55 UTC SaleCommon Stock 2,757 $55.02 $151,690.14
Disclosure

SEC source: 0001193125-26-278247 · ownership.xml · nonDerivative · entry 2

Chou Kathryn K. · CIK 0001935209 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 62,608

F2 · kind: 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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.80 to $56.53, 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.

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June 18, 2026 Filed Jun 23, 2026 01:55 UTC SaleCommon Stock 2,757 $55.01 $151,662.57
Disclosure

SEC source: 0001193125-26-278249 · ownership.xml · nonDerivative · entry 2

TOLEDANO GABRIELLE B · CIK 0001353810 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,154

F2 · kind: 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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.79 to $56.63, 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.

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June 17, 2026 Filed Jun 19, 2026 01:55 UTC
FRANKOLA JIMDirector
GrantCommon Stock 4,526 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-276343 · ownership.xml · nonDerivative · entry 1

FRANKOLA JIM · CIK 0001183231 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,939

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the day before the date of the following year's Annual Meeting or (ii) June 17, 2027, subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
June 17, 2026 Filed Jun 19, 2026 01:55 UTC GrantCommon Stock 4,526 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-276341 · ownership.xml · nonDerivative · entry 1

TEUBER WILLIAM J JR · CIK 0001189196 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,939

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the day before the date of the following year's Annual Meeting or (ii) June 17, 2027, subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
June 17, 2026 Filed Jun 19, 2026 01:55 UTC GrantCommon Stock 4,526 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-276339 · ownership.xml · nonDerivative · entry 1

Scannell William F · CIK 0001554376 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145,086

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the day before the date of the following year's Annual Meeting or (ii) June 17, 2027, subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
June 17, 2026 Filed Jun 23, 2026 01:55 UTC GrantCommon Stock 4,526 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-278247 · ownership.xml · nonDerivative · entry 1

Chou Kathryn K. · CIK 0001935209 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,365

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the day before the date of the following year's Annual Meeting or (ii) June 17, 2027, subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
June 17, 2026 Filed Jun 23, 2026 01:55 UTC GrantCommon Stock 4,526 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-278249 · ownership.xml · nonDerivative · entry 1

TOLEDANO GABRIELLE B · CIK 0001353810 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,911

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the day before the date of the following year's Annual Meeting or (ii) June 17, 2027 subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Read SEC document
June 16, 2026 Filed Jun 19, 2026 01:55 UTC
Singh Inder MCFO & COO
Tax withholdingCommon Stock 2,617 $59.75 $156,365.75
Disclosure

SEC source: 0001193125-26-276340 · ownership.xml · nonDerivative · entry 1

Singh Inder M · CIK 0001670723 · CFO & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 414,886

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.80 to $59.77, 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.

Read SEC document
June 11, 2026 Filed Jun 13, 2026 01:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
Tax withholdingCommon Stock 904 $56.21 $50,809.50
Disclosure

SEC source: 0001193125-26-270053 · ownership.xml · nonDerivative · entry 1

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,063

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.78 to $57.3, 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.

Read SEC document
June 11, 2026 Filed Jun 13, 2026 01:55 UTC
Singh Inder MCFO & COO
Tax withholdingCommon Stock 6,272 $56.21 $352,519.01
Disclosure

SEC source: 0001193125-26-270054 · ownership.xml · nonDerivative · entry 1

Singh Inder M · CIK 0001670723 · CFO & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 417,503

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.78 to $57.3, 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.

Read SEC document
June 11, 2026 Filed Jun 12, 2026 21:55 UTC
de Masi NiccoloDirector · President and CEO
Tax withholdingCommon Stock 16,120 $56.21 $906,027.82
Disclosure

SEC source: 0001193125-26-270051 · ownership.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,139,547

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.78 to $57.3, 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.

Read SEC document
June 11, 2026 Filed Jun 13, 2026 01:55 UTC
DACIER PAUL TCAO, CLO and Secretary
Tax withholdingCommon Stock 4,110 $56.21 $231,003.37
Disclosure

SEC source: 0001193125-26-270050 · ownership.xml · nonDerivative · entry 1

DACIER PAUL T · CIK 0001189870 · CAO, CLO and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,458

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.78 to $57.3, 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.

Read SEC document
May 06, 2026 Filed May 9, 2026 01:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
Exercise / conversionStock Option (Right to Buy) · Derivative 3,773 $0.00 Strike: $11.24 $0.00
Disclosure

SEC source: 0001193125-26-215307 · ownership.xml · derivative · entry 3

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,774

Underlying: Common Stock · 26,320 shares

Expires 2034-02-26

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: 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.

Read SEC document
May 06, 2026 Filed May 9, 2026 01:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
SaleCommon Stock 3,773 $49.90 $188,272.70
Disclosure

SEC source: 0001193125-26-215307 · ownership.xml · nonDerivative · entry 2

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 139,967

F1 · kind: 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.

Read SEC document
May 06, 2026 Filed May 9, 2026 01:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
Exercise / conversionCommon Stock 3,773 $11.24 $42,408.52
Disclosure

SEC source: 0001193125-26-215307 · ownership.xml · nonDerivative · entry 1

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 143,740

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
April 16, 2026 Filed Apr 18, 2026 01:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
Exercise / conversionStock Option (Right to Buy) · Derivative 2,500 $0.00 Strike: $11.24 $0.00
Disclosure

SEC source: 0001193125-26-162187 · ownership.xml · derivative · entry 3

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,547

Underlying: Common Stock · 26,320 shares

Expires 2034-02-26

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: 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.

Read SEC document
April 16, 2026 Filed Apr 18, 2026 01:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
SaleCommon Stock 2,500 $44.90 $112,250.00
Disclosure

SEC source: 0001193125-26-162187 · ownership.xml · nonDerivative · entry 2

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 139,967

F1 · kind: 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.

Read SEC document
April 16, 2026 Filed Apr 18, 2026 01:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
Exercise / conversionCommon Stock 2,500 $11.24 $28,100.00
Disclosure

SEC source: 0001193125-26-162187 · ownership.xml · nonDerivative · entry 1

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 142,467

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
March 12, 2026 Filed Mar 14, 2026 01:55 UTC
Raymond John wDirector · Special Advisor
SaleCommon Stock 2,800 $33.34 $93,352.00
Disclosure

SEC source: 0001193125-26-106854 · ownership.xml · nonDerivative · entry 1

Raymond John w · CIK 0002058452 · Director · Special Advisor

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,963

Read SEC document
March 11, 2026 Filed Mar 14, 2026 01:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
Tax withholdingCommon Stock 904 $34.80 $31,461.01
Disclosure

SEC source: 0001193125-26-106853 · ownership.xml · nonDerivative · entry 1

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,967

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.69 to $35.87, 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.

Read SEC document
March 11, 2026 Filed Mar 14, 2026 01:55 UTC
Singh Inder MCFO & COO
Tax withholdingCommon Stock 8,134 $34.80 $283,079.47
Disclosure

SEC source: 0001193125-26-106856 · ownership.xml · nonDerivative · entry 1

Singh Inder M · CIK 0001670723 · CFO & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 423,775

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.69 to $35.87, 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.

Read SEC document
March 11, 2026 Filed Mar 13, 2026 21:55 UTC
de Masi NiccoloDirector · President and CEO
Tax withholdingCommon Stock 20,785 $34.80 $723,359.57
Disclosure

SEC source: 0001193125-26-106852 · ownership.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,155,667

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.69 to $35.87, 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.

Read SEC document
March 11, 2026 Filed Mar 14, 2026 01:55 UTC
DACIER PAUL TCAO, CLO and Secretary
Tax withholdingCommon Stock 6,181 $34.80 $215,111.16
Disclosure

SEC source: 0001193125-26-106855 · ownership.xml · nonDerivative · entry 1

DACIER PAUL T · CIK 0001189870 · CAO, CLO and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,568

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.69 to $35.87, 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.

Read SEC document
March 02, 2026 Filed Mar 5, 2026 02:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
GrantCommon Stock 31,651 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-092257 · ownership.xml · nonDerivative · entry 1

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,871

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest over four years, with 1/16 of the total number of such shares vesting quarterly on each March 10, June 10, September 10 and December 10, subject to the Reporting Person continuing as a service provider through each such vesting date

Read SEC document
February 27, 2026 Filed Feb 28, 2026 02:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
Tax withholdingCommon Stock 3,071 $39.19 $120,359.86
Disclosure

SEC source: 0001193125-26-083755 · ownership.xml · nonDerivative · entry 3

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 109,220

F3 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.1392 to $39.20, 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.

Read SEC document
February 27, 2026 Filed Feb 28, 2026 02:55 UTC PurchaseCommon Stock 3,000 $38.39 $115,155.00
Disclosure

SEC source: 0001193125-26-083754 · ownership.xml · nonDerivative · entry 1

TEUBER WILLIAM J JR · CIK 0001189196 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,413

Read SEC document
February 26, 2026 Filed Feb 28, 2026 02:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
Exercise / conversionStock Option (Right to Buy) · Derivative 2,500 $0.00 Strike: $11.24 $0.00
Disclosure

SEC source: 0001193125-26-083755 · ownership.xml · derivative · entry 4

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,047

Underlying: Common Stock · 26,320 shares

Expires 2034-02-26

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: 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.

Read SEC document
February 26, 2026 Filed Feb 28, 2026 02:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
SaleCommon Stock 5,165 $39.44 $203,684.87
Disclosure

SEC source: 0001193125-26-083755 · ownership.xml · nonDerivative · entry 2

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 112,291

F1 · kind: 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.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.00 to $39.90, 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.

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February 26, 2026 Filed Feb 28, 2026 02:55 UTC
Cardillo Robert T.Director · Executive Chair, IonQ Federal
Exercise / conversionCommon Stock 2,500 $11.24 $28,100.00
Disclosure

SEC source: 0001193125-26-083755 · ownership.xml · nonDerivative · entry 1

Cardillo Robert T. · CIK 0002013580 · Director · Executive Chair, IonQ Federal

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 117,456

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

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February 24, 2026 Filed Feb 26, 2026 02:55 UTC SaleCommon Stock 616 $31.00 $19,096.00
Disclosure

SEC source: 0001193125-26-072884 · ownership.xml · nonDerivative · entry 1

TOLEDANO GABRIELLE B · CIK 0001353810 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,385

F1 · kind: The transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.

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February 20, 2026 Filed Feb 21, 2026 02:55 UTC
Singh Inder MCFO & COO
GrantCommon Stock 3,708 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-062018 · ownership.xml · nonDerivative · entry 1

Singh Inder M · CIK 0001670723 · CFO & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 431,909

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February 20, 2026 Filed Feb 20, 2026 21:55 UTC
de Masi NiccoloDirector · President and CEO
GrantCommon Stock 11,556 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-062019 · ownership.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,176,452

F1 · shares: The reported securities are restricted stock units that vest in full on March 10, 2026, subject to the Reporting Person continuing as a service provider through such date.

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February 20, 2026 Filed Feb 21, 2026 02:55 UTC
DACIER PAUL TCAO, CLO and Secretary
GrantCommon Stock 4,427 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-062020 · ownership.xml · nonDerivative · entry 1

DACIER PAUL T · CIK 0001189870 · CAO, CLO and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,749

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December 22, 2025 Filed Dec 24, 2025 02:55 UTC Exercise / conversionStock Option (right to buy) · Derivative 5,000 $0.00 Strike: $4.61 $0.00
Disclosure

SEC source: 0001193125-25-331321 · ownership.xml · derivative · entry 3

Chou Kathryn K. · CIK 0001935209 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,900

Underlying: Common Stock · 63,900 shares

Expires 2032-07-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F2 · derivative.exercise_date: This option, originally for 63,900 shares, vested in three equal annual installments commencing July 11, 2023.

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December 22, 2025 Filed Dec 24, 2025 02:55 UTC SaleCommon Stock 5,000 $55.00 $275,000.00
Disclosure

SEC source: 0001193125-25-331321 · ownership.xml · nonDerivative · entry 2

Chou Kathryn K. · CIK 0001935209 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,839

F1 · kind: 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.

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December 22, 2025 Filed Dec 24, 2025 02:55 UTC Exercise / conversionCommon Stock 5,000 $4.61 $23,050.00
Disclosure

SEC source: 0001193125-25-331321 · ownership.xml · nonDerivative · entry 1

Chou Kathryn K. · CIK 0001935209 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,839

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

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December 11, 2025 Filed Dec 13, 2025 02:55 UTC Exercise / conversionStock Option (right to buy) · Derivative 20,000 $0.00 Strike: $4.61 $0.00
Disclosure

SEC source: 0001193125-25-318125 · ownership.xml · derivative · entry 3

Chou Kathryn K. · CIK 0001935209 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,900

Underlying: Common Stock · 63,900 shares

Expires 2032-07-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F3 · derivative.exercise_date: This option, originally for 63,900 shares, vests in three equal annual installments commencing July 11, 2023, subject to the Reporting Person's continued service through each such vesting date.

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December 11, 2025 Filed Dec 13, 2025 02:55 UTC SaleCommon Stock 20,000 $51.40 $1,027,980.00
Disclosure

SEC source: 0001193125-25-318125 · ownership.xml · nonDerivative · entry 2

Chou Kathryn K. · CIK 0001935209 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,839

F1 · kind: 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.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.16 to $52.85, 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.

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December 11, 2025 Filed Dec 13, 2025 02:55 UTC Exercise / conversionCommon Stock 20,000 $4.61 $92,200.00
Disclosure

SEC source: 0001193125-25-318125 · ownership.xml · nonDerivative · entry 1

Chou Kathryn K. · CIK 0001935209 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 80,839

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

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December 11, 2025 Filed Dec 13, 2025 02:55 UTC
Singh Inder MCFO & COO
Tax withholdingCommon Stock 12,553 $50.49 $633,757.03
Disclosure

SEC source: 0001193125-25-318124 · ownership.xml · nonDerivative · entry 1

Singh Inder M · CIK 0001670723 · CFO & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 428,201

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: 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.

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December 11, 2025 Filed Dec 15, 2025 21:00 UTC
de Masi NiccoloDirector · President and CEO
Tax withholdingCommon Stock 16,290 $50.49 $822,425.09
Disclosure

SEC source: 0001193125-25-319678 · ownership.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,164,896

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: 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.

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December 11, 2025 Filed Dec 16, 2025 02:00 UTC
DACIER PAUL TCAO, CLO and Secretary
Tax withholdingCommon Stock 4,132 $50.49 $208,610.22
Disclosure

SEC source: 0001193125-25-319675 · ownership.xml · nonDerivative · entry 1

DACIER PAUL T · CIK 0001189870 · CAO, CLO and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,322

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: 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.

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December 11, 2025 Filed Dec 16, 2025 02:00 UTC
Millard Scott FrancisChief Business Officer
Tax withholdingCommon Stock 19,586 $50.49 $988,828.59
Disclosure

SEC source: 0001193125-25-319677 · ownership.xml · nonDerivative · entry 1

Millard Scott Francis · CIK 0002086732 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 216,457

F1 · kind: The reported securities were sold to satisfy the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

F2 · price: 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.