William C. Bertrand JR - 20 Feb 2025 Form 4 Insider Report for Adaptimmune Therapeutics PLC (ADAP)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ADAP	Option to purchase Ordinary Shares	Award	$0	+1.61M		$0.00	1.61M	20 Feb 2025	Ordinary Shares	1.61M	$0.10	Direct	F1, F2
transaction	ADAP	Option to purchase Ordinary Shares	Award	$0	+1.07M		$0.00	1.07M	20 Feb 2025	Ordinary Shares	1.07M	$0.00	Direct	F3, F4, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	The exercise price was converted from GBP0.08 based on an exchange rate of U.S.$ 1.257137 to GBP1.00. The actual exercise price will be the pounds sterling amount.
F2	Exercisable as to 403,008 Ordinary Shares on February 20, 2026 and will be exercisable as to the remainder in monthly installments of 33,582 Ordinary Shares on the twentieth of each month from March 20, 2026 through January 20, 2028 and 33,654 Ordinary Shares on February 20, 2029.
F3	The exercise price was converted from GBP0.001, being the nominal value of an ordinary share, based on an exchange rate of U.S.$ 1.257137to GBP1.00. The actual exercise price will be the pounds sterling amount.
F4	Exercisable as to 268,674 Ordinary Shares on February 20, 2026 and will be exercisable as to the remainder in annual installments of 268,674 Ordinary Shares on the twentieth of each February from February 20, 2027 through February 20, 2029.
F5	The expiration date of each annual installment of ordinary shares is March 15 of the calendar year following the year in which that installment becomes exercisable.