SCHEDULE 13D/A

READY CAPITAL CORPORATION

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

Event date: 2025-11-07

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: 14,242,965.00 · Class: 8.8%

• PLEASANT LAKE APARTMENTS LIMITED PARTNERSHIP

  Shares: 2,597,466.00 · Class: 1.6%

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

  Shares: 2,512,951.00 · Class: 1.7%

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

  Shares: 497,449.00 · Class: 0.3%

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

  Shares: 260,525.00 · Class: 0.2%

• HOWARD AMSTER 2019 CHARITABLE REMAINER UNITURST #4 U/A 05/20/2019

  Shares: 211,937.00 · Class: 0.1%

• AMSTER LIMITED PARTNERSHIP

  Shares: 468,882.00 · Class: 0.3%

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

  Shares: 4,307.00 · Class: 0.0%

• LAUGHLIN HOLDINGS LLC

  Shares: 1,115,981.00 · Class: 0.7%

• RAMAT SECURITIES LTD

  Shares: 323,040.00 · Class: 0.2%

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

  Shares: 562,008.00 · Class: 0.4%

• PLEASANT LAKE APARTMENTS CORP

  Shares: 2,931.00 · Class: 0.0%

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

  Shares: 102,767.00 · Class: 0.1%

• HOWARD AMSTER FOUNDATION

  Shares: 590,487.00 · Class: Unavailable

• NEWAX INC

  Shares: 19,055.00 · Class: Unavailable

• PLEASANT LAKE SKOIEN INVESTMENTS LLC

  Shares: 497,613.00 · Class: 0.3%

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

  Shares: 41,130.00 · Class: 0.0%

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

  Shares: 47,857.00 · 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: 771.00 · Class: 0.0%

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

  Shares: 5,534.00 · Class: 0.0%

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

  Shares: 3,866.00 · Class: 0.0%

• HORIZON GROUP PROPERTIES INC.

  Shares: 175,284.00 · Class: 0.1%

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