SCHEDULE 13D/A

READY CAPITAL CORPORATION

COMMON STOCK PAR VALUE $0.0001 PER SHARE · CUSIP: 75574U101

Event date: 2025-07-29

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Amster HowardReported CIK 0000904853

  Shares: 11,615,200.00 · Class: 7.1%

• PLEASANT LAKE APARTMENTS LIMITED PARTNERSHIP

  Shares: 2,550,466.00 · Class: 1.6%

• HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST 1 U/A DTD 05/20/2019

  Shares: 2,182,997.00 · Class: 1.3%

• HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #3 U/A DTD 05/20/2019

  Shares: 39,208.00 · Class: 0.0%

• HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #4 U/A DTD 05/20/2019

  Shares: 103,540.00 · Class: 0.1%

• AMSTER LIMITED PARTNERSHIP

  Shares: 457,812.00 · Class: 0.3%

• HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #7 U/A DTD 05/20/2019

  Shares: 694.00 · Class: 0.0%

• LAUGHLIN HOLDINGS LLC

  Shares: 1,055,981.00 · Class: 0.6%

• RAMAT SECURITIES LTD

  Shares: 323,040.00 · Class: 0.2%

• HOWARD AMSTER 2021 CHARITABLE REMAINDER UNITRUST #3 U/A DTD 11/23/2021

  Shares: 559,208.00 · Class: 0.3%

• PLEASANT LAKE APARTMENTS CORP.

  Shares: 1,806.00 · Class: 0.0%

• HOWARD AMSTER 2022 CHARITABLE REMAINDER UNITRUST #1 U/A DTD 03/09/2022

  Shares: 99,968.00 · Class: 0.1%

• HOWARD AMSTER FOUNDATION

  Shares: 497,971.00 · Class: 0.3%

• NEWAX INC.

  Shares: 11,155.00 · Class: 0.0%

• PLEASANT LAKE SKOIEN INVESTMENTS LLC

  Shares: 494,113.00 · Class: 0.3%

• HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #5 U/A DTD 05/20/2019

  Shares: 40,483.00 · Class: 0.0%

• HOWARD AMSTER 2021 CHARITABLE REMAINDER UNITRUST #1 U/A DTD 08/10/2021

  Shares: 24,952.00 · Class: 0.0%

• HOWARD AMSTER 2021 CHARITABLE REMAINDER UNITRUST #2 U/A DTD 08/10/2021

  Shares: 2,216.00 · Class: 0.0%

• HOWARD AMSTER & TAMRA GOULD CHARITABLE REMAINDER UNITRUST U/A DTD 03/18/1993

  Shares: 345.00 · Class: 0.0%

• HOWARD AMSTER CHARITABLE REMAINDER UNITRUST U/A DTD 04/22/1998

  Shares: 5,142.00 · Class: 0.0%

• HOWARD AMSTER CHARITABLE REMAINDER UNITRUST U/A DTD 01/11/2005

  Shares: 2,854.00 · Class: 0.0%

• HORIZON GROUP PROPERTIES INC.

  Shares: 114,586.00 · Class: 0.1%

• HOWARD AMSTER 2019 CHARITABLE REMAINDER UNITRUST #2 U/A DTD 05/20/2019

  Shares: 43,004.00 · Class: 0.0%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.