Rock Springs Capital Management LP - 31 Mar 2025 SCHEDULE 13G/A Report for MEREO BIOPHARMA GROUP PLC Ordinary Shares, nominal value 0.003, per ordinary share (MREO)

Filing Manager: Rock Springs Capital Management LP
Reporting Manager: Rock Springs Capital Management LP
Security: MEREO BIOPHARMA GROUP PLC Ordinary Shares, nominal value 0.003, per ordinary share
Symbol: MREO
Shares outstanding: 795,743,690 shares
Disclosed Ownership: 33,421,235 shares
Ownership: 4.2%
Form type: SCHEDULE 13G/A
Filing time: 15 May 2025, 10:46:23 UTC
Date of event: 31 Mar 2025
SEC: View on sec.gov

Reporting Managers (5)

Name	Ownership	Shares Owned	shared voting power	Signature	Title
Rock Springs Capital Management LP	4.2%	33,421,235	33,421,235	/s/ Mark Bussard	Mark Bussard - Member
Rock Springs Capital LLC	4.2%	33,421,235	33,421,235	/s/ Mark Bussard	Mark Bussard - Member
Rock Springs Capital Master Fund LP	3.2%	25,808,055	25,808,055	/s/ Mark Bussard	Mark Bussard - Member
Mark Bussard	4.2%	33,421,235	33,421,235	/s/ Mark Bussard	Mark Bussard
Kris Jenner	4.2%	33,421,235	33,421,235	/s/ Kris Jenner	Kris Jenner