de Masi Niccolo

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.

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.

SEC source: 0001480011-26-000002 · wk-form4_1773786018.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,171

F1 · acquired: On March 14, 2026, the Reporting Person was awarded 7,968 restricted stock units (the "RSUs") under the Rush Street Interactive, Inc. 2020 Omnibus Equity Incentive Plan, as amended. The RSUs vest as of the Issuer's next annual meeting of stockholders to be held in calendar year 2027.

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.

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.

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.

SEC source: 0000950170-25-114669 · 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: 1,181,186

F1 · kind: Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of statutory tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary sale by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.41 to $45.505, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000950142-25-002212 · es250668266_4-demasi.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,197,306

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest over three years, with 1/12th of the total number of shares underlying the award 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.

SEC source: 0001793659-25-000170 · wk-form4_1754085128.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated March 14, 2025.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $17.49 to $18.75 per share. 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.

F3 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0001793659-25-000159 · wk-form4_1752013001.xml · nonDerivative · entry 3

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 446,094

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated March 14, 2025.

F5 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $15.10 to $15.40 per share. 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.

F3 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0001793659-25-000159 · wk-form4_1752013001.xml · nonDerivative · entry 2

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 504,547

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated March 14, 2025.

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $15.00 to $15.28 per share. 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.

F3 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0001793659-25-000159 · wk-form4_1752013001.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 780,710

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated March 14, 2025.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $15.00 to $15.24 per share. 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.

F3 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0001793659-25-000152 · wk-form4_1750457014.xml · nonDerivative · entry 2

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 892,188

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated March 14, 2025.

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $13.84 to $14.27 per share. 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.

F3 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0001793659-25-000152 · wk-form4_1750457014.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 921,884

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated March 14, 2025.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $13.86 to $14.15 per share. 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.

F3 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0001793659-25-000150 · wk-form4_1750198197.xml · nonDerivative · entry 3

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 1,208,653

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated March 14, 2025.

F5 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $13.63 to $14.16 per share. 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.

F3 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0001793659-25-000150 · wk-form4_1750198197.xml · nonDerivative · entry 2

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 1,432,990

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated March 14, 2025.

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $13.42 to $13.79 per share. 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.

F3 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0001793659-25-000150 · wk-form4_1750198197.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 1,613,352

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated March 14, 2025.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $13.20 to $13.725 per share. 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.

F3 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0001836833-25-000071 · wk-form4_1750241796.xml · derivative · entry 2

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Isalea Investments LP

Disclosed balance after: 1,470,933

Underlying: Class A Common Stock · 3,800 shares

Expires 2026-12-07

F3 · price: The price reported in Column 8 is a weighted average sale price. These warrants were sold in multiple transactions at per share prices ranging from $0.64 to $0.6499 inclusive. The reporting person undertakes to provide 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 warrants sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: On January 31, 2023, Isalea Investments LP, of which Mr. de Masi is the managing member, received 1,483,333 warrants to purchase issuer's Class A Common Stock as a pro rata distribution from dMY Sponsor IV, LLC, which was exempt from the reporting requirements of Section 16.

SEC source: 0001836833-25-000071 · wk-form4_1750241796.xml · derivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Isalea Investments LP

Disclosed balance after: 1,474,733

Underlying: Class A Common Stock · 8,600 shares

Expires 2026-12-07

F1 · price: The price reported in Column 8 is a weighted average sale price. These warrants were sold in multiple transactions at per share prices ranging from $0.65 to $0.70 inclusive. The reporting person undertakes to provide 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 warrants sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: On January 31, 2023, Isalea Investments LP, of which Mr. de Masi is the managing member, received 1,483,333 warrants to purchase issuer's Class A Common Stock as a pro rata distribution from dMY Sponsor IV, LLC, which was exempt from the reporting requirements of Section 16.

SEC source: 0000950170-25-086487 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 0

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.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.95 to $43.92, 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.

F3 · ownership.nature: The securities are held by Isalea Investments LP (the "Partnership"). The Reporting Person is the managing member of the Partnership and has voting and investment discretion with respect to the securities held by the Partnership.

SEC source: 0000950170-25-084599 · 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: 711,987

F1 · kind: Represents the number of shares required to be sold to cover the statutory tax withholding obligations in connection with the vesting of restricted stock units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of statutory tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001793659-25-000140 · wk-form4_1748556806.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,203

F1 · acquired: On May 29, 2025, the Reporting Person was awarded 10,958 restricted stock units (the "RSUs") under the Rush Street Interactive, Inc. 2020 Omnibus Equity Incentive Plan, as amended. The RSUs vest as of the Issuer's next annual meeting of stockholders to be held in calendar year 2026.

SEC source: 0001415889-25-006084 · form4-03012025_020308.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 721,267

F1 · shares: Represents a restricted stock unit ("RSU") award. The RSUs will vest in full on February 26, 2027, subject to the Reporting Person continuing as service provider through such date.

SEC source: 0001793659-25-000041 · wk-form4_1740524857.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,245

F1 · price: On February 24, 2025, the Reporting Person was awarded 4,245 restricted stock units (the "RSUs") under the Rush Street Interactive, Inc. 2020 Omnibus Equity Incentive Plan, as amended. The RSUs vest as of the Issuer's next annual meeting of stockholders to be held in calendar year 2025.

SEC source: 0001836833-24-000091 · wk-form4_1720737472.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 237,701

F1 · shares: Includes 93,583 restricted stock units, each of which represent a contingent right to receive one share of issuer's Class A Common Stock ("RSUs"). The RSUs will fully vest on the earlier of (i) the first anniversary of the grant or (ii) the date of the Issuer's next annual meeting of stockholders to occur following the grant, in either case, subject to continuous service through the vesting date.

F1 · balance_after: Includes 93,583 restricted stock units, each of which represent a contingent right to receive one share of issuer's Class A Common Stock ("RSUs"). The RSUs will fully vest on the earlier of (i) the first anniversary of the grant or (ii) the date of the Issuer's next annual meeting of stockholders to occur following the grant, in either case, subject to continuous service through the vesting date.

SEC source: 0001415889-24-016283 · form4-06102024_110652.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,041

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: 0001836833-23-000064 · wk-form4_1689108879.xml · nonDerivative · entry 2

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,118

F2 · shares: Includes 40,541 RSUs that vest in equal quarterly installments on the 15th of September, December, March and June, subject to continuous service through the vesting date. The RSUs represent annual retainer fees that the reporting person elected to receive in the form of RSUs in lieu of cash.

F3 · balance_after: Includes: (a) 40,541 RSUs that vest in equal quarterly installments on the 15th of September, December, March and June; and (b) 54,055 RSUs which fully vest on the earlier of (i) the first anniversary of the grant or (ii) the date of the issuer's next annual meeting of stockholders to occur following the grant. The RSUs represent a contingent right to receive one share of the issuer's Class A Common Stock each and have no expiration date.

SEC source: 0001836833-23-000064 · wk-form4_1689108879.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,577

F1 · shares: Includes 54,055 restricted stock units, each of which represent a contingent right to receive one share of issuer's Class A Common Stock ("RSUs"). The RSUs will fully vest on the earlier of (i) the first anniversary of the grant or (ii) the date of the Issuer's next annual meeting of stockholders to occur following the grant, in either case, subject to continuous service through the vesting date.

F1 · balance_after: Includes 54,055 restricted stock units, each of which represent a contingent right to receive one share of issuer's Class A Common Stock ("RSUs"). The RSUs will fully vest on the earlier of (i) the first anniversary of the grant or (ii) the date of the Issuer's next annual meeting of stockholders to occur following the grant, in either case, subject to continuous service through the vesting date.

SEC source: 0001209191-23-040609 · doc4.xml · derivative · entry 3

de Masi Niccolo · CIK 0001480011 · 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: 0001209191-23-040609 · doc4.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · 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: 0001836833-22-000094 · wf-form4_166803331554756.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,522

F1 · shares: Includes 37,808 restricted stock units ("RSUs"), each of which represent a contingent right to receive one share of issuer's Class A Common Stock. The RSUs will fully vest on the earlier of (i) the first anniversary of the grant or (ii) the date of the Issuer's next annual meeting of stockholders to occur following the grant, in either case, subject to continuous service through the vesting date.

F1 · balance_after: Includes 37,808 restricted stock units ("RSUs"), each of which represent a contingent right to receive one share of issuer's Class A Common Stock. The RSUs will fully vest on the earlier of (i) the first anniversary of the grant or (ii) the date of the Issuer's next annual meeting of stockholders to occur following the grant, in either case, subject to continuous service through the vesting date.

SEC source: 0001836833-22-000056 · wf-form4_166275695714760.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,714

F1 · shares: Represents 11,714 restricted stock units ("RSUs"), each of which represent a contingent right to receive one share of issuer's Class A Common Stock. The RSUs will fully vest on the date of the Issuer's 2022 annual stockholders' meeting, subject to continuous service through the vesting date. The RSUs have no expiration date.

SEC source: 0001209191-22-032657 · doc4.xml · derivative · entry 3

de Masi Niccolo · CIK 0001480011 · 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: 0001209191-22-032657 · doc4.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · 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: 0001209191-22-028151 · doc4.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · 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 of securities, from dMY Sponsor III, LLC to the Reporting Person without additional consideration.

F2 · ownership.nature: The securities are held by Isalea Investments LP (the "Partnership"). The Reporting Person is the managing member of the Partnership and has voting and investment discretion with respect to the securities held by the Partnership.

SEC source: 0001209191-22-003744 · doc4.xml · derivative · entry 2

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,320

Underlying: Common Stock · 8,320 shares

Expires 2032-01-14

F2 · 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: 0001209191-22-003744 · doc4.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,750

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.

SEC source: 0000899243-21-048928 · doc4.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Isalea Investments LP

Disclosed balance after: 36,765

F1 · price: The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $6.54 to $6.78 inclusive. The reporting person undertakes to provide 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 purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: These shares are held directly by Isalea Investments LP, of which the Reporting Person is the Managing Member.

SEC source: 0001104659-21-074481 · tm2117912-1_4seq1.xml · nonDerivative · entry 2

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F4 · price: The Class A common stock was sold by Isalea Investments LP in open market transactions on the transaction date, with a weighted average price of $12.0367. The range of the sale price on the transaction date was $12.00 to $12.40 per share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each price.

F3 · ownership.nature: These shares are held directly by Isalea Investments LP 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 Isalea Investments LP. 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: 0001104659-21-074481 · tm2117912-1_4seq1.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 430,904

F1 · shares: As previously disclosed on the Reporting Person's Form 4 filed with the U.S. Securities and Exchange Commission (the "SEC") on March 31, 2021, these shares were acquired on March 29, 2021, when Isalea Investments LP, exercised 3,337,500 warrants (the "Private Placement Warrants"), on a cashless basis pursuant to the Warrant Agreement, dated as of February 20, 2020, by and between the Issuer and Continental Stock Transfer & Trust Company, with each Private Placement Warrant exercisable for one share of Class A common stock per Private Placement Warrant at a price of $11.50 per share.

F2 · price: The Class A common stock was sold by Isalea Investments LP in open market transactions on the transaction date, with a volume weighted average price of $12.5002. The range of the sale price on the transaction date was $12.3472 to $12.72 per share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each price.

F3 · ownership.nature: These shares are held directly by Isalea Investments LP 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 Isalea Investments LP. 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: 0000899243-21-017952 · doc4.xml · derivative · entry 4

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 14,285 shares

Expires 2030-06-17

F5 · price: Upon the Closing, this award was cancelled and converted into the right to receive an amount in cash equal to the product of (x) the aggregate number of Shares subject to such option multiplied by (y) the excess of the Per Share Merger Consideration over the applicable per share exercise price of such option, without interest.

F3 · derivative.exercise_date: This award was fully vested and exercisable as of the Closing or was accelerated such that it was fully vested and exercisable in connection with the Merger.

SEC source: 0000899243-21-017952 · doc4.xml · derivative · entry 3

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 24,488 shares

Expires 2030-06-17

F5 · price: Upon the Closing, this award was cancelled and converted into the right to receive an amount in cash equal to the product of (x) the aggregate number of Shares subject to such option multiplied by (y) the excess of the Per Share Merger Consideration over the applicable per share exercise price of such option, without interest.

F3 · derivative.exercise_date: This award was fully vested and exercisable as of the Closing or was accelerated such that it was fully vested and exercisable in connection with the Merger.

SEC source: 0000899243-21-017952 · doc4.xml · derivative · entry 2

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,591 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive 1 Share upon settlement for no consideration.

F4 · price: Upon the Closing, this award was cancelled and converted into the right to receive an amount in cash, without interest, equal to the product of the aggregate number of Shares subject to such RSU multiplied by the Per Share Merger Consideration.

F3 · derivative.exercise_date: This award was fully vested and exercisable as of the Closing or was accelerated such that it was fully vested and exercisable in connection with the Merger.

F3 · derivative.expiration_date: This award was fully vested and exercisable as of the Closing or was accelerated such that it was fully vested and exercisable in connection with the Merger.

SEC source: 0000899243-21-017952 · doc4.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: On February 8, 2021, the Issuer entered into the Agreement and Plan of Merger (the "Merger Agreement"), with Electronic Arts Inc. ("Electronic Arts"), a Delaware corporation, and Giants Acquisition Sub, Inc., a Delaware corporation and wholly owned subsidiary of Electronic Arts, and the Issuer. Upon the closing (the "Closing") of the transactions (the "Merger") contemplated by the Merger Agreement on April 29, 2021, each share of the Issuer's common stock (a "Share") was cancelled and converted into the right to receive an amount in cash, without interest, equal to $12.50 (the "Per Share Merger Consideration").

SEC source: 0000899243-21-014297 · doc4.xml · nonDerivative · entry 4

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 663,404

F4 · price: The Class A common stock was sold by Isalea Investments LP in open market transactions on the transaction date, with a volume weighted average price of $15.0108. The range of the sale price on the transaction date was $15.00 to $15.45 per share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each price.

F2 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0000899243-21-014297 · doc4.xml · derivative · entry 5

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,337,500 shares

Expires 2025-12-29

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: On March 29, 2021, Isalea Investments LP, exercised 3,337,500 warrants (the "Private Placement Warrants"), on a cashless basis pursuant to the Warrant Agreement, dated as of February 20, 2020, by and between the Issuer and Continental Stock Transfer & Trust Company (the "Warrant Agreement"), with each Private Placement Warrant exercisable for one share of Class A common stock per Private Placement Warrant at a price of $11.50 per share. The disposition of Common Stock in connection with the cashless exercise was exempted pursuant to Rule 16b-3 of the Securities Exchange Act of 1934, as amended, by resolution of the board of directors of the Issuer prior to the disposition.

F6 · derivative.exercise_price: The number of shares issuable upon a cashless exercise is determined, in accordance with Section 3.3.1(c) of the Warrant Agreement by dividing (x) the product of the number of shares of Class A common stock underlying the Private Placement Warrants multiplied by the difference between $11.50 and the Fair Market Value by (y) the Fair Market Value. For this purpose, the "Fair Market Value" is equal to the average closing price of the Issuer's Class A common stock for the ten (10) trading days ending on the third trading day prior to March 25, 2021. The Issuer has calculated the Fair Market Value to be $18.708.

F5 · ownership.nature: These Private Placement Warrants are held directly by Isalea Investments LP, of which the Reporting Person is the Managing Member. The Reporting Person may be deemed to have beneficial ownership of the Private Placement Warrants held directly by Isalea Investments LP. The Reporting Person disclaims beneficial ownership of such Private Placement Warrants, and this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of the Private Placement Warrants for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-21-014297 · doc4.xml · nonDerivative · entry 3

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,215,904

F3 · price: The Class A common stock was sold by Isalea Investments LP in open market transactions on the transaction date, with a weighted average price of $15.5653. The range of the sale price on the transaction date was $15.25 to $16.215 per share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each price.

F2 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0000899243-21-014297 · doc4.xml · nonDerivative · entry 2

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,285,904

F1 · kind: On March 29, 2021, Isalea Investments LP, exercised 3,337,500 warrants (the "Private Placement Warrants"), on a cashless basis pursuant to the Warrant Agreement, dated as of February 20, 2020, by and between the Issuer and Continental Stock Transfer & Trust Company (the "Warrant Agreement"), with each Private Placement Warrant exercisable for one share of Class A common stock per Private Placement Warrant at a price of $11.50 per share. The disposition of Common Stock in connection with the cashless exercise was exempted pursuant to Rule 16b-3 of the Securities Exchange Act of 1934, as amended, by resolution of the board of directors of the Issuer prior to the disposition.

F6 · price: The number of shares issuable upon a cashless exercise is determined, in accordance with Section 3.3.1(c) of the Warrant Agreement by dividing (x) the product of the number of shares of Class A common stock underlying the Private Placement Warrants multiplied by the difference between $11.50 and the Fair Market Value by (y) the Fair Market Value. For this purpose, the "Fair Market Value" is equal to the average closing price of the Issuer's Class A common stock for the ten (10) trading days ending on the third trading day prior to March 25, 2021. The Issuer has calculated the Fair Market Value to be $18.708.

F2 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0000899243-21-014297 · doc4.xml · nonDerivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,337,500

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: On March 29, 2021, Isalea Investments LP, exercised 3,337,500 warrants (the "Private Placement Warrants"), on a cashless basis pursuant to the Warrant Agreement, dated as of February 20, 2020, by and between the Issuer and Continental Stock Transfer & Trust Company (the "Warrant Agreement"), with each Private Placement Warrant exercisable for one share of Class A common stock per Private Placement Warrant at a price of $11.50 per share. The disposition of Common Stock in connection with the cashless exercise was exempted pursuant to Rule 16b-3 of the Securities Exchange Act of 1934, as amended, by resolution of the board of directors of the Issuer prior to the disposition.

F2 · ownership.nature: These shares are held directly by Isalea Investments LP, 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 Isalea Investments LP. 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: 0000899243-21-014295 · doc4.xml · derivative · entry 1

de Masi Niccolo · CIK 0001480011 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,337,500

Underlying: Class A Common Stock · 3,337,500 shares

Expires 2025-12-29

F3 · derivative.exercise_price: Each private placement warrant is exercisable for one share of Class A common stock of the Issuer at $11.50 per share, subject to adjustment, pursuant to the Warrant Agreement, dated as of February 20, 2020, by and between the Issuer and Continental Stock Transfer & Trust Company and as described under the heading "Description of Capital Stock-Warrants-Private Placement Warrants" in the Issuer's registration statement on Form S-1, filed with the SEC on January 31, 2020, as amended

F1 · kind: The private placement warrants acquired by the Reporting Person and reported herein were received in a distribution by dMY Sponsor, LLC (the "Sponsor") to certain of its members in accordance with the Sponsor's Operating Agreement. As a member of the Sponsor who was entitled to a distribution of private placement warrants in accordance with the Sponsor's operating agreement, the Reporting Person previously may have been deemed to be an indirect beneficial owner of the securities previously held directly by the Sponsor.

F1 · price: The private placement warrants acquired by the Reporting Person and reported herein were received in a distribution by dMY Sponsor, LLC (the "Sponsor") to certain of its members in accordance with the Sponsor's Operating Agreement. As a member of the Sponsor who was entitled to a distribution of private placement warrants in accordance with the Sponsor's operating agreement, the Reporting Person previously may have been deemed to be an indirect beneficial owner of the securities previously held directly by the Sponsor.

F3 · derivative.underlying_shares: Each private placement warrant is exercisable for one share of Class A common stock of the Issuer at $11.50 per share, subject to adjustment, pursuant to the Warrant Agreement, dated as of February 20, 2020, by and between the Issuer and Continental Stock Transfer & Trust Company and as described under the heading "Description of Capital Stock-Warrants-Private Placement Warrants" in the Issuer's registration statement on Form S-1, filed with the SEC on January 31, 2020, as amended

F2 · ownership.nature: These private placement warrants are held directly by Isalea Investments LP, of which the Reporting Person is the Managing Member. The Reporting Person may be deemed to have beneficial ownership of the private placement warrants held directly by Isalea Investments LP. The Reporting Person disclaims beneficial ownership of such private placement warrants, and this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of the private placement warrants for purposes of Section 16 or for any other purpose.