RA Capital Management, L.P. Increases Stake in WAVE LIFE SCIENCES LTD.

RA Capital Management, L.P. and its affiliates have increased their beneficial ownership in WAVE LIFE SCIENCES LTD. to 17.5% as of March 30, 2026. This was achieved through a series of open market purchases between March 26 and March 30, 2026, totaling 7,221,422 ordinary shares for an aggregate purchase price of approximately $54,704,579.65. The fund used its working capital to fund these transactions. This filing is an amendment to a previous Schedule 13D, reflecting the updated ownership and recent transactions.