X0306 4 2020-06-09 0 0001159281 FIVE STAR SENIOR LIVING INC. NASDAQ:FVE 0001276316 GILMORE BARBARA D. C/O FIVE STAR SENIOR LIVING INC., 400 CENTRE STREET NEWTON MA 02458 1 0 0 0 Common Stock 2020-06-09 4 A 0 5000 0 A 18075 D Common Stock 1000 I By husband Transaction reported is grant of shares pursuant to issuer's equity compensation plan. On September 30, 2019, the Issuer effected a reverse stock split (the "Reverse Split") pursuant to which every ten Common Shares were converted and reclassified into one Common Share, subject to the receipt of cash in lieu of fractional shares. The amount in the table reflects the aggregate shares owned after giving effect to the Reverse Split. /s/ Barbara D. Gilmore 2020-06-10