You Harry L.

SEC source: 0001730168-26-000056 · wk-form4_1781557916.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,466

F1 · balance_after: Includes 864 restricted stock units.

SEC source: 0001213900-26-066921 · ownership.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By RHY Management, LLC

Disclosed balance after: 1,612,903

F1 · price: RHY Management, LLC ("RHY") exchanged an aggregate of $4,000,000 of indebtedness owed by the Company to RHY into 1,612,903 shares of the Issuer's Class A common stock, par value $0.0001 per share.

F2 · ownership.nature: Mr. You is the sole member of RHY and may be deemed to have a pecuniary interest in the securities held by RHY. Mr. You disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0001829126-26-005384 · ownership.xml · nonDerivative · entry 2

You Harry L. · CIK 0001432602 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote.

Disclosed balance after: 2,779,808

F1 · kind: On May 15, 2026, Berto Acquisition Corp. II (the "Issuer") effected a share capitalization, resulting in the issue and allotment of 203,090 ordinary shares to the Reporting Person herein.

F1 · shares: On May 15, 2026, Berto Acquisition Corp. II (the "Issuer") effected a share capitalization, resulting in the issue and allotment of 203,090 ordinary shares to the Reporting Person herein.

F4 · shares: The ordinary shares reported herein include up to 33,236 ordinary shares subject to forfeiture to Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Issuer's Registration Statement.

F5 · shares: Berto Acquisition Sponsor II LLC (the "Sponsor") is the record holder of the securities reported herein. Harry L. You is the sole managing member of the Sponsor and has voting and investment discretion with respect to the ordinary shares held of record by the Sponsor. Harry L. You disclaims any beneficial ownership of the securities held by the Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F1 · price: On May 15, 2026, Berto Acquisition Corp. II (the "Issuer") effected a share capitalization, resulting in the issue and allotment of 203,090 ordinary shares to the Reporting Person herein.

F5 · balance_after: Berto Acquisition Sponsor II LLC (the "Sponsor") is the record holder of the securities reported herein. Harry L. You is the sole managing member of the Sponsor and has voting and investment discretion with respect to the ordinary shares held of record by the Sponsor. Harry L. You disclaims any beneficial ownership of the securities held by the Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F6 · balance_after: The ordinary shares reported herein include up to 379,442 ordinary shares subject to forfeiture to Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Issuer's Registration Statement.

F5 · ownership.direct: Berto Acquisition Sponsor II LLC (the "Sponsor") is the record holder of the securities reported herein. Harry L. You is the sole managing member of the Sponsor and has voting and investment discretion with respect to the ordinary shares held of record by the Sponsor. Harry L. You disclaims any beneficial ownership of the securities held by the Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

F6 · ownership.nature: The ordinary shares reported herein include up to 379,442 ordinary shares subject to forfeiture to Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Issuer's Registration Statement.

SEC source: 0001829126-26-005384 · ownership.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,532,102

F1 · kind: On May 15, 2026, Berto Acquisition Corp. II (the "Issuer") effected a share capitalization, resulting in the issue and allotment of 203,090 ordinary shares to the Reporting Person herein.

F1 · shares: On May 15, 2026, Berto Acquisition Corp. II (the "Issuer") effected a share capitalization, resulting in the issue and allotment of 203,090 ordinary shares to the Reporting Person herein.

F2 · shares: The ordinary shares reported herein include up to 30,247 ordinary shares subject to forfeiture to Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Issuer's Registration Statement on Form S-1 (File No. 333-295343) (the "Registration Statement").

F1 · price: On May 15, 2026, Berto Acquisition Corp. II (the "Issuer") effected a share capitalization, resulting in the issue and allotment of 203,090 ordinary shares to the Reporting Person herein.

F3 · balance_after: The ordinary shares reported herein include up to 345,631 ordinary shares subject to forfeiture to Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Issuer's Registration Statement.

SEC source: 0001730168-26-000043 · wk-form4_1776891530.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,466

F1 · shares: Restricted stock unit ("RSU") award fully vests on the earlier of (i) April 19, 2027 or (ii) the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service on the vesting date.

F2 · balance_after: Includes 864 RSUs.

SEC source: 0001829126-26-002587 · ownership.xml · derivative · entry 3

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 2,884,660

Underlying: Class A Ordinary Shares · 2,884,660 shares

Expires 2031-03-19

F2 · price: In connection with the closing of the Business Combination, these warrants of the Issuer were issued pursuant to the terms of the Business Combination Agreement upon the exchange of 2,884,660 warrants of DMY. On the effective date of the Business Combination, the closing price of DMY's warrants was $2.69.

F3 · ownership.nature: dMY Squared Sponsor, LLC (the "Sponsor") Sponsor is the record holder of the securities reported herein. Harry L. You is the managing member of the Sponsor and has voting and investment discretion with respect to the securities held of record by the Sponsor. Each of the Sponsor and Mr. You is a "Reporting Person" and may be deemed to beneficially own the securities reported herein; however, each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. Solely for purposes of Section 16 of the Exchange Act, each Reporting Person may be deemed a "director by deputization".

SEC source: 0001829126-26-002587 · ownership.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,163,484

F1 · price: In connection with the closing of the business combination (the "Business Combination") among Horizon Quantum Holdings Ltd. (the "Issuer"), Horizon Quantum Computing Pte. Ltd. ("Horizon"), and dMY Squared Technology Group, Inc. ("DMY"), these Class A ordinary shares of the Issuer were issued pursuant to the terms of the Business Combination Agreement, dated as of September 9, 2025, by and among the Issuer, Horizon, and DMY (the "Business Combination Agreement") upon the exchange of 1,163,484 shares of Class A common stock of DMY. On the effective date of the Business Combination, the closing price of DMY's Class A common stock was $13.50.

F3 · ownership.nature: dMY Squared Sponsor, LLC (the "Sponsor") Sponsor is the record holder of the securities reported herein. Harry L. You is the managing member of the Sponsor and has voting and investment discretion with respect to the securities held of record by the Sponsor. Each of the Sponsor and Mr. You is a "Reporting Person" and may be deemed to beneficially own the securities reported herein; however, each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. Solely for purposes of Section 16 of the Exchange Act, each Reporting Person may be deemed a "director by deputization".

SEC source: 0001829126-26-002583 · ownership.xml · derivative · entry 2

dMY Squared Sponsor, LLC · CIK 0001915397 · Director · 10% owner

You Harry L. · CIK 0001432602 · Director · CEO, CFO & Chairman · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,163,484 shares

Expires not disclosed

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 · derivative.exercise_price: The shares of Class B common stock, par value $0.0001 per share ("Class B Common Stock"), are convertible into shares of the issuer's Class A common stock, par value $0.0001 per share ("Class A Common Stock"), at the holder's election at any time and automatically at the time of the closing of the issuer's initial business combination, on a one-for-one basis, subject to adjustment pursuant to certain antidilution rights and have no expiration date.

F2 · kind: In connection with and immediately prior to the closing of the business combination ("Business Combination") between dMY Squared Technology Group, Inc., Horizon Quantum Computing Pte. Ltd., and Horizon Quantum Holdings Ltd., all of the outstanding shares of Class B Common Stock were converted on a one-for-one basis into shares of Class A Common Stock in accordance with the issuer's Amended and Restated Articles of Organization.

F1 · derivative.exercise_date: The shares of Class B common stock, par value $0.0001 per share ("Class B Common Stock"), are convertible into shares of the issuer's Class A common stock, par value $0.0001 per share ("Class A Common Stock"), at the holder's election at any time and automatically at the time of the closing of the issuer's initial business combination, on a one-for-one basis, subject to adjustment pursuant to certain antidilution rights and have no expiration date.

F1 · derivative.expiration_date: The shares of Class B common stock, par value $0.0001 per share ("Class B Common Stock"), are convertible into shares of the issuer's Class A common stock, par value $0.0001 per share ("Class A Common Stock"), at the holder's election at any time and automatically at the time of the closing of the issuer's initial business combination, on a one-for-one basis, subject to adjustment pursuant to certain antidilution rights and have no expiration date.

F3 · ownership.direct: dMY Squared Sponsor, LLC (the "Sponsor") Sponsor is the record holder of the securities reported herein. Harry L. You is the managing member of the Sponsor and has voting and investment discretion with respect to the securities held of record by the Sponsor. Each of the Sponsor and Mr. You is a "Reporting Person" and may be deemed to beneficially own the securities reported herein; however, each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. Solely for purposes of Section 16 of the Exchange Act, each Reporting Person may be deemed a "director by deputization".

SEC source: 0001829126-26-002583 · ownership.xml · nonDerivative · entry 1

dMY Squared Sponsor, LLC · CIK 0001915397 · Director · 10% owner

You Harry L. · CIK 0001432602 · Director · CEO, CFO & Chairman · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,163,484

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 · kind: In connection with and immediately prior to the closing of the business combination ("Business Combination") between dMY Squared Technology Group, Inc., Horizon Quantum Computing Pte. Ltd., and Horizon Quantum Holdings Ltd., all of the outstanding shares of Class B Common Stock were converted on a one-for-one basis into shares of Class A Common Stock in accordance with the issuer's Amended and Restated Articles of Organization.

F2 · price: In connection with and immediately prior to the closing of the business combination ("Business Combination") between dMY Squared Technology Group, Inc., Horizon Quantum Computing Pte. Ltd., and Horizon Quantum Holdings Ltd., all of the outstanding shares of Class B Common Stock were converted on a one-for-one basis into shares of Class A Common Stock in accordance with the issuer's Amended and Restated Articles of Organization.

F3 · ownership.direct: dMY Squared Sponsor, LLC (the "Sponsor") Sponsor is the record holder of the securities reported herein. Harry L. You is the managing member of the Sponsor and has voting and investment discretion with respect to the securities held of record by the Sponsor. Each of the Sponsor and Mr. You is a "Reporting Person" and may be deemed to beneficially own the securities reported herein; however, each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. Solely for purposes of Section 16 of the Exchange Act, each Reporting Person may be deemed a "director by deputization".

SEC source: 0001432602-25-000006 · wk-form4_1766442877.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,602

F1 · balance_after: Includes 1,602 restricted stock units.

SEC source: 0001829126-25-007450 · ownership.xml · derivative · entry 1

dMY Squared Sponsor, LLC · CIK 0001915397 · Director · 10% owner

You Harry L. · CIK 0001432602 · Director · CEO, CFO & Chairman · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,163,484

Underlying: Class A Common Stock · 416,266 shares

Expires not disclosed

F1 · derivative.exercise_price: The shares of Class B common stock, par value $0.0001 per share, are convertible for shares of the issuer's Class A common stock, par value $0.0001 per share, at the holder's election at any time and automatically at the time of the closing of the issuer's initial business combination, on a one-for-one basis, subject to adjustment pursuant to certain antidilution rights and have no expiration date.

F2 · kind: dMY Squared Sponsor, LLC (the "Sponsor") distributed these shares to one of its members, pro rata, for no consideration.

F1 · derivative.exercise_date: The shares of Class B common stock, par value $0.0001 per share, are convertible for shares of the issuer's Class A common stock, par value $0.0001 per share, at the holder's election at any time and automatically at the time of the closing of the issuer's initial business combination, on a one-for-one basis, subject to adjustment pursuant to certain antidilution rights and have no expiration date.

F1 · derivative.expiration_date: The shares of Class B common stock, par value $0.0001 per share, are convertible for shares of the issuer's Class A common stock, par value $0.0001 per share, at the holder's election at any time and automatically at the time of the closing of the issuer's initial business combination, on a one-for-one basis, subject to adjustment pursuant to certain antidilution rights and have no expiration date.

F3 · ownership.direct: The Sponsor is the record holder of the securities reported herein. Harry L. You is the managing member of the Sponsor and has voting and investment discretion with respect to the securities held of record by the Sponsor. Each of the Sponsor and Mr. You is a "Reporting Person" and may be deemed to beneficially own the securities reported herein; however, each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. Solely for purposes of Section 16 of the Exchange Act, each Reporting Person may be deemed a "director by deputization".

SEC source: 0001730168-25-000100 · wk-form4_1757552852.xml · nonDerivative · entry 3

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,602

F1 · balance_after: Includes 1,602 restricted stock units.

SEC source: 0001730168-25-000100 · wk-form4_1757552852.xml · nonDerivative · entry 2

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,102

F1 · balance_after: Includes 1,602 restricted stock units.

SEC source: 0001730168-25-000100 · wk-form4_1757552852.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,102

F1 · balance_after: Includes 1,602 restricted stock units.

SEC source: 0001730168-25-000049 · wk-form4_1745442995.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,052

F1 · shares: Grant of Restricted Stock Units ("RSUs"). Upon vesting thereof, the Reporting Person is entitled to receive one (1) share of the Issuer's common stock for each one (1) RSU. The Vesting Commencement Date is April 21, 2025. The RSUs vest in full on the earlier of (i) the first anniversary of the Vesting Commencement Date or (ii) the date on which the annual meeting of the Issuer's stockholders immediately following the Vesting Commencement Date is held, subject to the Reporting Person's continuing service on the vesting date.

F2 · balance_after: Includes 1,602 RSUs.

SEC source: 0001213900-25-009031 · ownership.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By trust

Disclosed balance after: 237,956

F1 · kind: In connection with the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc. ("RET"), and Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), Mr. You subscribed to purchase an aggregate of 43,910 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Common Stock") at a price of approximately $11.39 per share in a private placement pursuant to a Subscription Agreement dated as of December 23, 2024, by and among Mr. You and the Issuer. Such subscription closed on January 29, 2025.

F2 · ownership.nature: Represents shares held by RHY 2021 Irrevocable Trust (the "Trust"). Mr. You is the settlor and investment officer of the Trust, and his son is the beneficiary of the Trust. Accordingly, Mr. You may be deemed to have a pecuniary interest in the securities held by the Trust. Mr. You disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-000972 · tm2431814-6_4seq1.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Berto LLC

Disclosed balance after: 564,375

F1 · kind: In connection with the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc. ("RET"), and Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), Berto LLC ("Berto") agreed to exchange 2,257,500 Coliseum private placement warrants held by it for an aggregate of 564,375 shares of the Issuer's Class A common stock, par value $0.0001 per share.

F1 · price: In connection with the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc. ("RET"), and Rain Enhancement Technologies Holdco, Inc. (the "Issuer"), Berto LLC ("Berto") agreed to exchange 2,257,500 Coliseum private placement warrants held by it for an aggregate of 564,375 shares of the Issuer's Class A common stock, par value $0.0001 per share.

F2 · ownership.nature: Mr. You is the sole member of Berto and has voting and investment discretion with respect to the securities held of record by Berto. Mr. You disclaims beneficial ownership of the securities held by Berto, except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-000919 · tm2432278-1_4seq1.xml · derivative · entry 4

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Berto, LLC

Disclosed balance after: 0

Underlying: Class A Ordinary Share · 2,257,500 shares

Expires not disclosed

F3 · kind: In connection with the Business Combination, Berto LLC ("Berto") agreed to exchange the 2,257,500 private placement warrants held by it for an aggregate of 564,375 shares of Holdco Class A common stock, par value $0.0001 per share.

F3 · shares: In connection with the Business Combination, Berto LLC ("Berto") agreed to exchange the 2,257,500 private placement warrants held by it for an aggregate of 564,375 shares of Holdco Class A common stock, par value $0.0001 per share.

F4 · price: Each such private placement warrant entitled the holder to purchase one Class A Ordinary Share at a price of $11.50 per share, subject to adjustment, 30 days after the consummation of the Business Combination.

F4 · derivative.exercise_date: Each such private placement warrant entitled the holder to purchase one Class A Ordinary Share at a price of $11.50 per share, subject to adjustment, 30 days after the consummation of the Business Combination.

F4 · derivative.expiration_date: Each such private placement warrant entitled the holder to purchase one Class A Ordinary Share at a price of $11.50 per share, subject to adjustment, 30 days after the consummation of the Business Combination.

F5 · ownership.nature: Mr. You is the sole member of Berto and has voting and investment discretion with respect to the securities held of record by Berto. Mr. You disclaims beneficial ownership of the securities held by Berto, except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-000919 · tm2432278-1_4seq1.xml · derivative · entry 3

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Ordinary Share · 1 shares

Expires not disclosed

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 · derivative.exercise_price: In connection with and immediately prior to the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc., and Rain Enhancement Technologies Holdco, Inc. ("Holdco"), the sole outstanding Coliseum Class B ordinary share, par value $0.001 per share ("Class B Ordinary Share"), was converted into one Class A ordinary share, par value $0.001 per share, of Coliseum ("Coliseum Class A Ordinary Shares") in accordance with Coliseum's Amended and Restated Memorandum and Articles of Association. Prior to such conversion, the Coliseum Class B Ordinary Share had no expiration date.

F1 · kind: In connection with and immediately prior to the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc., and Rain Enhancement Technologies Holdco, Inc. ("Holdco"), the sole outstanding Coliseum Class B ordinary share, par value $0.001 per share ("Class B Ordinary Share"), was converted into one Class A ordinary share, par value $0.001 per share, of Coliseum ("Coliseum Class A Ordinary Shares") in accordance with Coliseum's Amended and Restated Memorandum and Articles of Association. Prior to such conversion, the Coliseum Class B Ordinary Share had no expiration date.

F1 · derivative.exercise_date: In connection with and immediately prior to the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc., and Rain Enhancement Technologies Holdco, Inc. ("Holdco"), the sole outstanding Coliseum Class B ordinary share, par value $0.001 per share ("Class B Ordinary Share"), was converted into one Class A ordinary share, par value $0.001 per share, of Coliseum ("Coliseum Class A Ordinary Shares") in accordance with Coliseum's Amended and Restated Memorandum and Articles of Association. Prior to such conversion, the Coliseum Class B Ordinary Share had no expiration date.

F1 · derivative.expiration_date: In connection with and immediately prior to the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc., and Rain Enhancement Technologies Holdco, Inc. ("Holdco"), the sole outstanding Coliseum Class B ordinary share, par value $0.001 per share ("Class B Ordinary Share"), was converted into one Class A ordinary share, par value $0.001 per share, of Coliseum ("Coliseum Class A Ordinary Shares") in accordance with Coliseum's Amended and Restated Memorandum and Articles of Association. Prior to such conversion, the Coliseum Class B Ordinary Share had no expiration date.

SEC source: 0001104659-25-000919 · tm2432278-1_4seq1.xml · nonDerivative · entry 2

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 650,120

F2 · kind: In connection with the consummation of the Business Combination, Harry L. You forfeited 424,880 Coliseum Class A Ordinary Shares for no consideration pursuant to the terms of the Non-Redemption Agreements dated November 22, 2023, between Mr. You, Coliseum, and the other parties thereto.

SEC source: 0001104659-25-000919 · tm2432278-1_4seq1.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,075,000

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: In connection with and immediately prior to the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc., and Rain Enhancement Technologies Holdco, Inc. ("Holdco"), the sole outstanding Coliseum Class B ordinary share, par value $0.001 per share ("Class B Ordinary Share"), was converted into one Class A ordinary share, par value $0.001 per share, of Coliseum ("Coliseum Class A Ordinary Shares") in accordance with Coliseum's Amended and Restated Memorandum and Articles of Association. Prior to such conversion, the Coliseum Class B Ordinary Share had no expiration date.

F1 · price: In connection with and immediately prior to the closing of the business combination ("Business Combination") between Coliseum Acquisition Corp. ("Coliseum"), Rain Enhancement Technologies, Inc., and Rain Enhancement Technologies Holdco, Inc. ("Holdco"), the sole outstanding Coliseum Class B ordinary share, par value $0.001 per share ("Class B Ordinary Share"), was converted into one Class A ordinary share, par value $0.001 per share, of Coliseum ("Coliseum Class A Ordinary Shares") in accordance with Coliseum's Amended and Restated Memorandum and Articles of Association. Prior to such conversion, the Coliseum Class B Ordinary Share had no expiration date.

SEC source: 0001104659-24-131804 · tm2431947d1_4seq1.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,074,999

SEC source: 0001730168-24-000133 · wk-form4_1734650032.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,450

F1 · price: Transaction executed in multiple trades at prices ranging from $240.00 to $240.14 per share, inclusive. The price reported in column 4 above reflects the weighted average sale price per share. The Reporting Person hereby undertakes to provide the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F2 · balance_after: Adjusted to reflect a ten-for-one forward split of the Issuer's common stock effective after market close on July 12, 2024 and includes 1,890 restricted stock units.

SEC source: 0001415889-24-016288 · form4-06102024_110659.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 168,041

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the date of the 2025 Annual Meeting (or the date immediately prior to the 2025 Annual Meeting if the Reporting Person's service as a director ends at such Annual Meeting), or (ii) June 6, 2025, subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

SEC source: 0001730168-24-000069 · wk-form4_1713999403.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,699

F1 · shares: Grant of Restricted Stock Units ("RSUs "). Upon vesting thereof, the Reporting Person is entitled to receive one (1) share of the Issuer's common stock for each one (1) RSU. The Vesting Commencement Date is April 22, 2024. The RSUs vest in full on the earlier of (i) the first anniversary of the Vesting Commencement Date or (ii) the date on which the annual meeting of the Issuer's stockholders immediately following the Vesting Commencement Date is held, subject to the Reporting Person's continuing service on the vesting date.

F2 · balance_after: Includes 189 RSUs.

SEC source: 0001415889-24-007035 · form4-03062024_090334.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,650

SEC source: 0001730168-23-000083 · wk-form4_1695157759.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,510

F1 · balance_after: Includes 397 restricted stock units.

SEC source: 0001209191-23-040614 · doc4.xml · derivative · entry 3

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,860

Underlying: Common Stock · 14,860 shares

Expires 2033-06-30

F3 · derivative.exercise_date: The option will vest in full on the earlier of (i) the date of the 2024 Annual Meeting (or the date immediately prior to the 2024 Annual Meeting if the Reporting Person's service as a director ends at such Annual Meeting), or (ii) June 30, 2024, subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

SEC source: 0001209191-23-040614 · doc4.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,650

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the date of the 2024 Annual Meeting (or the date immediately prior to the 2024 Annual Meeting if the Reporting Person's service as a director ends at such Annual Meeting), or (ii) June 30, 2024, subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

SEC source: 0001104659-23-075316 · tm2319757-2_4seq1.xml · derivative · entry 2

You Harry L. · CIK 0001432602 · Director · See Remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1

Underlying: Class A Ordinary Shares · 1 shares

Expires not disclosed

F1 · derivative.exercise_price: Class B ordinary shares of the Issuer are convertible into the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-254513), as amended, and have no expiration date.

F2 · kind: The 2,624,999 Class A ordinary shares and 1 Class B ordinary share reported herein (collectively, the "Shares") were acquired by the Reporting Person pursuant to the Purchase Agreement, dated as of June 15, 2023 ("Purchase Agreement"), by and between the Issuer, Coliseum Acquisition Sponsor LLC, and Berto LLC, an affiliate of the Reporting Person. On June 26, 2023, the transactions contemplated by the Purchase Agreement were consummated and the Reporting Person purchased the Shares for an aggregate purchase price of $1.00 plus Berto LLC's agreement to advance funds to the Issuer in connection with the shareholder vote to approve an extension to the time that the Issuer has to complete an initial business combination.

F2 · price: The 2,624,999 Class A ordinary shares and 1 Class B ordinary share reported herein (collectively, the "Shares") were acquired by the Reporting Person pursuant to the Purchase Agreement, dated as of June 15, 2023 ("Purchase Agreement"), by and between the Issuer, Coliseum Acquisition Sponsor LLC, and Berto LLC, an affiliate of the Reporting Person. On June 26, 2023, the transactions contemplated by the Purchase Agreement were consummated and the Reporting Person purchased the Shares for an aggregate purchase price of $1.00 plus Berto LLC's agreement to advance funds to the Issuer in connection with the shareholder vote to approve an extension to the time that the Issuer has to complete an initial business combination.

F1 · derivative.exercise_date: Class B ordinary shares of the Issuer are convertible into the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-254513), as amended, and have no expiration date.

F1 · derivative.expiration_date: Class B ordinary shares of the Issuer are convertible into the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-254513), as amended, and have no expiration date.

SEC source: 0001104659-23-075316 · tm2319757-2_4seq1.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director · See Remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,624,999

F2 · kind: The 2,624,999 Class A ordinary shares and 1 Class B ordinary share reported herein (collectively, the "Shares") were acquired by the Reporting Person pursuant to the Purchase Agreement, dated as of June 15, 2023 ("Purchase Agreement"), by and between the Issuer, Coliseum Acquisition Sponsor LLC, and Berto LLC, an affiliate of the Reporting Person. On June 26, 2023, the transactions contemplated by the Purchase Agreement were consummated and the Reporting Person purchased the Shares for an aggregate purchase price of $1.00 plus Berto LLC's agreement to advance funds to the Issuer in connection with the shareholder vote to approve an extension to the time that the Issuer has to complete an initial business combination.

F2 · price: The 2,624,999 Class A ordinary shares and 1 Class B ordinary share reported herein (collectively, the "Shares") were acquired by the Reporting Person pursuant to the Purchase Agreement, dated as of June 15, 2023 ("Purchase Agreement"), by and between the Issuer, Coliseum Acquisition Sponsor LLC, and Berto LLC, an affiliate of the Reporting Person. On June 26, 2023, the transactions contemplated by the Purchase Agreement were consummated and the Reporting Person purchased the Shares for an aggregate purchase price of $1.00 plus Berto LLC's agreement to advance funds to the Issuer in connection with the shareholder vote to approve an extension to the time that the Issuer has to complete an initial business combination.

SEC source: 0001730168-23-000047 · wf-form4_168073066168512.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,510

F1 · shares: Grant of Restricted Stock Units ("RSUs"). Upon vesting thereof, the Reporting Person is entitled to receive one (1) share of the Issuer's common stock for each one (1) RSU. The Vesting Commencement Date is April 3, 2023. The RSUs vest in full on the earlier of (i) the first anniversary of the Vesting Commencement Date or (ii) the date on which the annual meeting of the Issuer's stockholders immediately following the Vesting Commencement Date is held, subject to the Reporting Person's continuing service on the vesting date.

F2 · balance_after: Includes 397 RSUs.

SEC source: 0000899243-22-032300 · doc4.xml · derivative · entry 1

You Harry L. · CIK 0001432602 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,725,000

Underlying: Class A Common Stock · 431,250 shares

Expires not disclosed

F1 · derivative.exercise_price: The shares of Class B common stock are convertible for shares of the issuer's Class A common stock as described under the heading "Description of Securities" in the issuer's Registration Statement on Form S-1 (File No. 333-267381)(the "Registration Statement") and have no expiration date.

F1 · price: The shares of Class B common stock are convertible for shares of the issuer's Class A common stock as described under the heading "Description of Securities" in the issuer's Registration Statement on Form S-1 (File No. 333-267381)(the "Registration Statement") and have no expiration date.

F1 · derivative.exercise_date: The shares of Class B common stock are convertible for shares of the issuer's Class A common stock as described under the heading "Description of Securities" in the issuer's Registration Statement on Form S-1 (File No. 333-267381)(the "Registration Statement") and have no expiration date.

F1 · derivative.expiration_date: The shares of Class B common stock are convertible for shares of the issuer's Class A common stock as described under the heading "Description of Securities" in the issuer's Registration Statement on Form S-1 (File No. 333-267381)(the "Registration Statement") and have no expiration date.

F2 · balance_after: Adjusted to reflect the forfeiture of 431,250 shares of Class B common stock by dMY Squared Sponsor, LLC on September 29, 2022 as further describe in the issuer's Form 8-K filed on September 30, 2022 and the Exhibit 10.1 thereto. The shares of Class B common stock beneficially owned by the Reporting Person includes up to 225,000 shares of Class B common stock subject to forfeiture to the Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Registration Statement.

F3 · ownership.direct: dMY Squared Sponsor, LLC is the record holder of the securities reported herein. Harry L. You is the manager of dMY Squared Sponsor, LLC and has voting and investment discretion with respect to the securities held of record by dMY Squared Sponsor, LLC.

SEC source: 0001104659-22-078930 · tm2220684-2_4seq1.xml · nonDerivative · entry 2

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Friends of GTY, LLC

Disclosed balance after: 0

F1 · price: On July 7, 2022, pursuant to the agreement and plan of merger by and among the issuer, GI Georgia Midco, Inc. ("Parent") and GI Georgia Merger Sub Inc. ("Merger Sub"), dated as of April 28, 2022 (the "merger agreement"), Merger Sub merged with and into the issuer (the "merger"), with the issuer surviving the merger as a wholly owned subsidiary of Parent. Pursuant to the merger agreement, at the effective time of the merger, the shares of the issuer's common stock converted into the right to receive $6.30 per share in cash (the "merger consideration").

F2 · ownership.nature: These shares of common stock are held directly by Friends of GTY, LLC, of which the Reporting Person is the Managing Member. The Reporting Person may be deemed to have beneficial ownership of the shares held directly by Friends of GTY, LLC. The Reporting Person disclaims beneficial ownership of such shares, and this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 or for any other purpose.

SEC source: 0001104659-22-078930 · tm2220684-2_4seq1.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: On July 7, 2022, pursuant to the agreement and plan of merger by and among the issuer, GI Georgia Midco, Inc. ("Parent") and GI Georgia Merger Sub Inc. ("Merger Sub"), dated as of April 28, 2022 (the "merger agreement"), Merger Sub merged with and into the issuer (the "merger"), with the issuer surviving the merger as a wholly owned subsidiary of Parent. Pursuant to the merger agreement, at the effective time of the merger, the shares of the issuer's common stock converted into the right to receive $6.30 per share in cash (the "merger consideration").

SEC source: 0001209191-22-032660 · doc4.xml · derivative · entry 3

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,050

Underlying: Common Stock · 32,050 shares

Expires 2032-05-26

F3 · derivative.exercise_date: The option will vest in full on the earlier of (i) the date of the 2023 Annual Meeting (or the date immediately prior to the 2023 Annual Meeting if the Reporting Person's service as a director ends at such Annual Meeting), or (ii) May 26, 2023, subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

SEC source: 0001209191-22-032660 · doc4.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,960

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the date of the 2023 Annual Meeting (or the date immediately prior to the 2023 Annual Meeting if the Reporting Person's service as a director ends at such Annual Meeting), or (ii) May 26, 2023, subject in all cases to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

SEC source: 0001209191-22-028153 · doc4.xml · nonDerivative · entry 2

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,597,500

F1 · kind: Represents a pro rata distribution, and not a purchase or sale of securities, by dMY Sponsor III, LLC to its members without additional consideration.

F3 · ownership.nature: The securities are held by RHY 2021 Irrevocable Trust (the "Trust"). The Reporting Person is the investment advisor of the Trust and has voting and investment discretion with respect to the securities held by the Trust.

SEC source: 0001209191-22-028153 · doc4.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,750

F1 · kind: Represents a pro rata distribution, and not a purchase or sale of securities, by dMY Sponsor III, LLC to its members without additional consideration.

F2 · ownership.direct: dMY Sponsor III, LLC was the record holder 7,425,000 of the securities reported herein. All of which were distributed to its members. Harry L. You is the manager of dMY Sponsor III, LLC and had voting and investment discretion with respect to the securities held of record by dMY Sponsor III, LLC.

SEC source: 0001730168-22-000073 · wf-form4_164927874460618.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,113

F1 · shares: Grant of Restricted Stock Units ("RSUs"). Upon vesting thereof, the Reporting Person is entitled to receive one (1) share of Issuer's common stock for each one (1) RSU. The Vesting Commencement Date is April 4, 2022. The RSUs vest in full on the earlier of (i) the first anniversary of the Vesting Commencement Date or (ii) the date on which the annual meeting of Issuer's stockholders immediately following the Vesting Commencement Date is held, subject to Reporting Person's continuing service on the vesting date.

F2 · balance_after: Includes 413 RSUs.

SEC source: 0001209191-22-003738 · doc4.xml · derivative · entry 2

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,320

Underlying: Common Stock · 8,320 shares

Expires 2032-01-14

F3 · derivative.exercise_date: The option will vest in full on the earlier of (i) the date of the 2022 Annual Meeting (or the date immediately prior to the 2022 Annual Meeting if the Reporting Person's service as a director ends at such Annual Meeting due to the Reporting Person's failure to be re-elected or the director not standing for re-election), or (ii) January 14, 2023, subject in all cases to the Reporting Person's continued service as a member of the Board of Director through such vesting date.

SEC source: 0001209191-22-003738 · doc4.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,428,750

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on the earlier of (i) the date of the 2022 Annual Meeting (or the date immediately prior to the 2022 Annual Meeting if the Reporting Person's service as a director ends at such Annual Meeting due to the Reporting Person's failure to be re-elected or the director not standing for re-election), or (ii) January 14, 2023, subject in all cases to the Reporting Person's continued service as a member of the Board of Director through such vesting date.

F2 · balance_after: dMY Sponsor III, LLC is the record holder 7,425,000 of the securities reported herein. Harry L. You is the manager of dMY Sponsor III, LLC and has voting and investment discretion with respect to the securities held of record by dMY Sponsor III, LLC.

F2 · ownership.direct: dMY Sponsor III, LLC is the record holder 7,425,000 of the securities reported herein. Harry L. You is the manager of dMY Sponsor III, LLC and has voting and investment discretion with respect to the securities held of record by dMY Sponsor III, LLC.

SEC source: 0001730168-21-000155 · wf-form4_163977864198753.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,700

F1 · balance_after: Includes 476 restricted stock units.

SEC source: 0001104659-21-148746 · tm2135176d1_4seq1.xml · nonDerivative · entry 6

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,425,000

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.00 to $22.32. The reporting person undertakes to provide to IonQ, Inc., any security holder of IonQ, Inc. 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.

F2 · ownership.direct: dMY Sponsor III, LLC is the record holder of the securities reported herein. Harry L. You is the manager of dMY Sponsor III, LLC and has voting and investment discretion with respect to the securities held of record by dMY Sponsor III, LLC.

SEC source: 0001104659-21-148746 · tm2135176d1_4seq1.xml · nonDerivative · entry 5

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,514,388

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.00 to $21.99. The reporting person undertakes to provide to IonQ, Inc., any security holder of IonQ, Inc. 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.

F2 · ownership.direct: dMY Sponsor III, LLC is the record holder of the securities reported herein. Harry L. You is the manager of dMY Sponsor III, LLC and has voting and investment discretion with respect to the securities held of record by dMY Sponsor III, LLC.

SEC source: 0001104659-21-148746 · tm2135176d1_4seq1.xml · nonDerivative · entry 4

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,748,613

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.00 to $20.97. The reporting person undertakes to provide to IonQ, Inc., any security holder of IonQ, Inc. 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.

F2 · ownership.direct: dMY Sponsor III, LLC is the record holder of the securities reported herein. Harry L. You is the manager of dMY Sponsor III, LLC and has voting and investment discretion with respect to the securities held of record by dMY Sponsor III, LLC.

SEC source: 0001104659-21-148746 · tm2135176d1_4seq1.xml · nonDerivative · entry 3

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,000,286

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.51 to $19.47. The reporting person undertakes to provide to IonQ, Inc., any security holder of IonQ, Inc. 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.

F2 · ownership.direct: dMY Sponsor III, LLC is the record holder of the securities reported herein. Harry L. You is the manager of dMY Sponsor III, LLC and has voting and investment discretion with respect to the securities held of record by dMY Sponsor III, LLC.

SEC source: 0001104659-21-148746 · tm2135176d1_4seq1.xml · nonDerivative · entry 2

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,750,000

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.52 to $22.15. The reporting person undertakes to provide to IonQ, Inc., any security holder of IonQ, Inc. 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.

F2 · ownership.direct: dMY Sponsor III, LLC is the record holder of the securities reported herein. Harry L. You is the manager of dMY Sponsor III, LLC and has voting and investment discretion with respect to the securities held of record by dMY Sponsor III, LLC.

SEC source: 0001104659-21-148746 · tm2135176d1_4seq1.xml · nonDerivative · entry 1

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,917,481

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.52 to $21.51. The reporting person undertakes to provide to IonQ, Inc., any security holder of IonQ, Inc. 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.

F2 · ownership.direct: dMY Sponsor III, LLC is the record holder of the securities reported herein. Harry L. You is the manager of dMY Sponsor III, LLC and has voting and investment discretion with respect to the securities held of record by dMY Sponsor III, LLC.

SEC source: 0001104659-21-147318 · tm2134855-1_4seq1.xml · derivative · entry 3

You Harry L. · CIK 0001432602 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,000,000 shares

Expires 2026-09-30

F2 · ownership.direct: dMY Sponsor III, LLC is the record holder of the securities reported herein. Harry L. You is the manager of dMY Sponsor III, LLC and has voting and investment discretion with respect to the securities held of record by dMY Sponsor III, LLC.