ADAPTIMMUNE THERAPEUTICS PLC

Ticker: ADAPY CUSIP: 00653A107 Class: SPONDS ADS

RA CAPITAL MANAGEMENT, L.P.'s Holding History (CIK: 0001346824)

Note: Option positions (PUT/CALL) are excluded.

Q4 2020

Shares 2,499,025 Value ($000) $13,470 Avg Close — Range —

Q3 2020

Shares 11,329,581 Value ($000) $90,410 Avg Close — Range —

Q2 2020

Shares 13,052,464 Value ($000) $130,655 Avg Close — Range —

Q1 2020

Shares 12,541,888 Value ($000) $34,114 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	2,499,025	$13,470	—	—
Q3 2020	11,329,581	$90,410	—	—
Q2 2020	13,052,464	$130,655	—	—
Q1 2020	12,541,888	$34,114	—	—