RSI

SEC source: 0001834366-25-000005 · wk-form4_1759356773.xml · nonDerivative · entry 2

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,114,157

F1 · price: On October 1, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F1 · balance_after: On October 1, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F2 · balance_after: The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

SEC source: 0001834366-25-000005 · wk-form4_1759356773.xml · nonDerivative · entry 1

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 946,150

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 · price: On October 1, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

SEC source: 0001588894-25-000006 · wk-form4_1759356458.xml · nonDerivative · entry 2

Sauers Kyle · CIK 0001588894 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 418,651

F2 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 8, 2024

SEC source: 0001588894-25-000006 · wk-form4_1759356458.xml · nonDerivative · entry 1

Sauers Kyle · CIK 0001588894 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 433,689

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of the Reporting Person's previously disclosed restricted stock units and does not represent a sale by the Reporting Person.

SEC source: 0001835040-25-000005 · wk-form4_1759356567.xml · nonDerivative · entry 1

STETZ MATTIAS · CIK 0001835040 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 254,806

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of the Reporting Person's previously disclosed restricted stock units and does not represent a sale by the Reporting Person.

SEC source: 0001834345-25-000005 · wk-form4_1759356084.xml · nonDerivative · entry 1

SCHWARTZ RICHARD TODD · CIK 0001834345 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 768,052

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of the Reporting Person's previously disclosed restricted stock units and does not represent a sale by the Reporting Person.

SEC source: 0001834345-25-000003 · wk-form4_1757456536.xml · nonDerivative · entry 4

SCHWARTZ RICHARD TODD · CIK 0001834345 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 823,566

F3 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 16, 2024.

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 $20.695 to $21.19 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.

SEC source: 0001793659-25-000183 · wk-form4_1757456167.xml · nonDerivative · entry 1

Sauers Kyle · CIK 0001588894 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 453,414

F1 · shares: Represents a donation to the Reporting Person's charitable trust.

SEC source: 0001834345-25-000003 · wk-form4_1757456536.xml · derivative · entry 5

SCHWARTZ RICHARD TODD · CIK 0001834345 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,546,112

Underlying: Class A Common Stock · 193,905 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.

F6 · derivative.exercise_price: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F6 · derivative.exercise_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F6 · derivative.expiration_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

SEC source: 0001834345-25-000003 · wk-form4_1757456536.xml · nonDerivative · entry 3

SCHWARTZ RICHARD TODD · CIK 0001834345 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 880,733

F3 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 16, 2024.

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 $20.64 to $21.38 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.

SEC source: 0001834345-25-000003 · wk-form4_1757456536.xml · nonDerivative · entry 2

SCHWARTZ RICHARD TODD · CIK 0001834345 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,546,112

F1 · price: On September 8, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 193,905 Class A Common Stock Units ("RSI Units") for 193,905 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F1 · balance_after: On September 8, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 193,905 Class A Common Stock Units ("RSI Units") for 193,905 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F2 · balance_after: The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

SEC source: 0001834345-25-000003 · wk-form4_1757456536.xml · nonDerivative · entry 1

SCHWARTZ RICHARD TODD · CIK 0001834345 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,017,471

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 · price: On September 8, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 193,905 Class A Common Stock Units ("RSI Units") for 193,905 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

SEC source: 0001835040-25-000003 · wk-form4_1756939215.xml · nonDerivative · entry 1

STETZ MATTIAS · CIK 0001835040 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 261,051

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 16, 2024.

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 $21.142 to $21.847 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.

SEC source: 0001834366-25-000003 · wk-form4_1756939601.xml · derivative · entry 4

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,184,157

Underlying: Class A Common Stock · 70,000 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.

F4 · derivative.exercise_price: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F4 · derivative.exercise_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F4 · derivative.expiration_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

SEC source: 0001834366-25-000003 · wk-form4_1756939601.xml · nonDerivative · entry 3

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 876,150

F3 · kind: Shares were sold pursuant to a 10b5-1 Plan dated September 27, 2024.

SEC source: 0001834366-25-000003 · wk-form4_1756939601.xml · nonDerivative · entry 2

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,184,157

F1 · price: On September 2, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F1 · balance_after: On September 2, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F2 · balance_after: The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

SEC source: 0001834366-25-000003 · wk-form4_1756939601.xml · nonDerivative · entry 1

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 946,150

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 · price: On September 2, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

SEC source: 0001793659-25-000180 · wk-form4_1754949667.xml · nonDerivative · entry 2

SCHWARTZ RICHARD TODD · CIK 0001834345 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 823,566

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 16, 2024.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $18.49 to $18.92 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.

SEC source: 0001793659-25-000180 · wk-form4_1754949667.xml · nonDerivative · entry 1

SCHWARTZ RICHARD TODD · CIK 0001834345 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 923,566

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 16, 2024.

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 $18.445 to $19.47 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.

SEC source: 0001793659-25-000176 · wk-form4_1754430947.xml · nonDerivative · entry 1

WIERBICKI PAUL · CIK 0001834368 · Director · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 91,705

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated May 5, 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 $19.248 to $19.71 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.

SEC source: 0001793659-25-000178 · wk-form4_1754431203.xml · derivative · entry 5

GOLD JUDITH · CIK 0001835729 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Daniel S. Kotcher Revocable Trust u/t/a dated December 7, 2012

Disclosed balance after: 175,083

Underlying: Class A Common Stock · 100,000 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.

F5 · derivative.exercise_price: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F5 · derivative.exercise_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F5 · derivative.expiration_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F2 · ownership.nature: Consists of securities held by the Daniel S. Kotcher Revocable Trust u/t/a dated December 7, 2012 (the "Kotcher Trust"). The reporting person is a beneficiary of the Kotcher Trust and may be deemed to have a beneficial ownership interest with respect to the securities held thereby, and the reporting person's husband, Daniel Kotcher, serves as trustee of the Kotcher Trust and exercises sole voting and investment control over such securities. The reporting person disclaims beneficial ownership of the securities held by the Kotcher Trust except to the extent of her actual pecuniary interest therein.

SEC source: 0001793659-25-000178 · wk-form4_1754431203.xml · nonDerivative · entry 3

GOLD JUDITH · CIK 0001835729 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Daniel S. Kotcher Revocable Trust u/t/a dated December 7, 2012

Disclosed balance after: 0

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 $19.33 to $19.83 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.

F2 · ownership.nature: Consists of securities held by the Daniel S. Kotcher Revocable Trust u/t/a dated December 7, 2012 (the "Kotcher Trust"). The reporting person is a beneficiary of the Kotcher Trust and may be deemed to have a beneficial ownership interest with respect to the securities held thereby, and the reporting person's husband, Daniel Kotcher, serves as trustee of the Kotcher Trust and exercises sole voting and investment control over such securities. The reporting person disclaims beneficial ownership of the securities held by the Kotcher Trust except to the extent of her actual pecuniary interest therein.

SEC source: 0001793659-25-000178 · wk-form4_1754431203.xml · nonDerivative · entry 2

GOLD JUDITH · CIK 0001835729 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Daniel S. Kotcher Revocable Trust u/t/a dated December 7, 2012

Disclosed balance after: 175,083

F1 · price: On August 4, 2025, the reporting person's spouse exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 100,000 Class A Common Stock Units ("RSI Units") for 100,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person's spouse being canceled.

F1 · balance_after: On August 4, 2025, the reporting person's spouse exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 100,000 Class A Common Stock Units ("RSI Units") for 100,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person's spouse being canceled.

F3 · balance_after: The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

F2 · ownership.nature: Consists of securities held by the Daniel S. Kotcher Revocable Trust u/t/a dated December 7, 2012 (the "Kotcher Trust"). The reporting person is a beneficiary of the Kotcher Trust and may be deemed to have a beneficial ownership interest with respect to the securities held thereby, and the reporting person's husband, Daniel Kotcher, serves as trustee of the Kotcher Trust and exercises sole voting and investment control over such securities. The reporting person disclaims beneficial ownership of the securities held by the Kotcher Trust except to the extent of her actual pecuniary interest therein.

SEC source: 0001793659-25-000178 · wk-form4_1754431203.xml · nonDerivative · entry 1

GOLD JUDITH · CIK 0001835729 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Daniel S. Kotcher Revocable Trust u/t/a dated December 7, 2012

Disclosed balance after: 100,000

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 · price: On August 4, 2025, the reporting person's spouse exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 100,000 Class A Common Stock Units ("RSI Units") for 100,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person's spouse being canceled.

F2 · ownership.nature: Consists of securities held by the Daniel S. Kotcher Revocable Trust u/t/a dated December 7, 2012 (the "Kotcher Trust"). The reporting person is a beneficiary of the Kotcher Trust and may be deemed to have a beneficial ownership interest with respect to the securities held thereby, and the reporting person's husband, Daniel Kotcher, serves as trustee of the Kotcher Trust and exercises sole voting and investment control over such securities. The reporting person disclaims beneficial ownership of the securities held by the Kotcher Trust except to the extent of her actual pecuniary interest therein.

SEC source: 0001793659-25-000174 · wk-form4_1754085607.xml · derivative · entry 4

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,254,157

Underlying: Class A Common Stock · 70,000 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.

F5 · derivative.exercise_price: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F5 · derivative.exercise_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F5 · derivative.expiration_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

SEC source: 0001793659-25-000174 · wk-form4_1754085607.xml · nonDerivative · entry 3

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 876,150

F3 · kind: Shares were sold pursuant to a 10b5-1 Plan dated September 27, 2024.

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 $18.25 to $19.35 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.

SEC source: 0001793659-25-000174 · wk-form4_1754085607.xml · nonDerivative · entry 2

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,254,157

F1 · price: On August 1, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F1 · balance_after: On August 1, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F2 · balance_after: The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

SEC source: 0001793659-25-000174 · wk-form4_1754085607.xml · nonDerivative · entry 1

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 946,150

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 · price: On August 1, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

SEC source: 0001793659-25-000172 · wk-form4_1754085363.xml · nonDerivative · entry 1

STETZ MATTIAS · CIK 0001835040 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 291,051

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 16, 2024.

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 $18.29 to $19.595 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.

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: 0001793659-25-000161 · wk-form4_1752013255.xml · nonDerivative · entry 1

SCHWARTZ RICHARD TODD · CIK 0001834345 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,017,471

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 16, 2024.

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 $15.14 to $15.60 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.

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: 0001793659-25-000156 · wk-form4_1751579884.xml · nonDerivative · entry 2

STETZ MATTIAS · CIK 0001835040 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 321,051

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 16, 2024.

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: 0001793659-25-000156 · wk-form4_1751579884.xml · nonDerivative · entry 1

STETZ MATTIAS · CIK 0001835040 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 346,051

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 16, 2024.

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 $14.48 to $14.943 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.

SEC source: 0001793659-25-000154 · wk-form4_1751579655.xml · derivative · entry 4

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,324,157

Underlying: Class A Common Stock · 70,000 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.

F5 · derivative.exercise_price: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F5 · derivative.exercise_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F5 · derivative.expiration_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

SEC source: 0001793659-25-000154 · wk-form4_1751579655.xml · nonDerivative · entry 3

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 876,150

F3 · kind: Shares were sold pursuant to a 10b5-1 Plan dated September 27, 2024.

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 $14.453 to $14.947 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.

SEC source: 0001793659-25-000154 · wk-form4_1751579655.xml · nonDerivative · entry 2

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,324,157

F1 · price: On July 1, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F1 · balance_after: On July 1, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F2 · balance_after: The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

SEC source: 0001793659-25-000154 · wk-form4_1751579655.xml · nonDerivative · entry 1

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 946,150

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 · price: On July 1, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

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: 0001793659-25-000148 · wk-form4_1749679823.xml · nonDerivative · entry 2

SCHWARTZ RICHARD TODD · CIK 0001834345 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,211,376

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 16, 2024.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $13.40 to $13.76 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.

SEC source: 0001793659-25-000148 · wk-form4_1749679823.xml · nonDerivative · entry 1

SCHWARTZ RICHARD TODD · CIK 0001834345 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,281,376

F1 · kind: Shares were sold pursuant to a 10b5-1 Plan dated August 16, 2024.

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 $13.29 to $13.92 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.

SEC source: 0001793659-25-000146 · wk-form4_1749075488.xml · derivative · entry 4

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,394,157

Underlying: Class A Common Stock · 70,000 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.

F6 · derivative.exercise_price: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F6 · derivative.exercise_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F6 · derivative.expiration_date: Pursuant to the Amended and Restated Limited Partnership Agreement of RSI LP, beginning on June 29, 2021, the RSI Units beneficially owned by the reporting person may be exchanged, subject to certain conditions, for one share of Class A Common Stock of the Issuer. Upon such exchange, an equivalent number of shares of Class V Voting Stock then held by the reporting person will be canceled.

F3 · balance_after: The Reporting Person's Form 4 filed on May 5, 2025 inadvertently overstated each of the Reporting Person's shares of Class V Voting Stock and RSI Units by 70,000. The total number of Class V Voting Stock and RSI Units held by the Reporting Person has been updated on this Form 4.

SEC source: 0001793659-25-000146 · wk-form4_1749075488.xml · nonDerivative · entry 3

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 876,150

F4 · kind: Shares were sold pursuant to a 10b5-1 Plan dated September 27, 2024.

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 $12.325 to $12.635 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.

SEC source: 0001793659-25-000146 · wk-form4_1749075488.xml · nonDerivative · entry 2

ROOSILEHT EINAR · CIK 0001834366 · Chief Information Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,394,157

F1 · price: On June 2, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F1 · balance_after: On June 2, 2025, the reporting person exchanged, pursuant to the Amended and Restated Limited Partnership Agreement of Rush Street Interactive, LP ("RSI LP"), 70,000 Class A Common Stock Units ("RSI Units") for 70,000 shares of Class A Common Stock of the Issuer, together with an equivalent number of Class V Voting Stock of the Issuer held by the reporting person being canceled.

F2 · balance_after: The shares of Class V Voting Stock of the Issuer provide no economic rights in the Issuer to the holder thereof. However, each holder of Class V Voting Stock will be entitled to vote as a common stockholder of the Issuer, with the number of votes equal to the number of shares of Class V Voting Stock held at the time of such vote.

F3 · balance_after: The Reporting Person's Form 4 filed on May 5, 2025 inadvertently overstated each of the Reporting Person's shares of Class V Voting Stock and RSI Units by 70,000. The total number of Class V Voting Stock and RSI Units held by the Reporting Person has been updated on this Form 4.