Pascal Touchon

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
16 Aug 24	ATRA Atara Biotherapeutics	Common Stock	Sell	Dispose S	No	No	6.63	276	1.83 k	70,127
16 Aug 24	ATRA Atara Biotherapeutics	Common Stock	Sell	Dispose S	No	No	6.629	2,762	18.31 k	70,403
12 Aug 24	ATRA Atara Biotherapeutics	Employee Stock Option Common Stock	Sale back to company	Dispose D	No	No	427.63	7,075	3.03 mm	0
12 Aug 24	ATRA Atara Biotherapeutics	Employee Stock Option Common Stock	Sale back to company	Dispose D	No	No	303.75	9,680	2.94 mm	0
12 Aug 24	ATRA Atara Biotherapeutics	Employee Stock Option Common Stock	Sale back to company	Dispose D	No	No	510.75	9,000	4.60 mm	0
16 May 24	ATRA Atara Biotherapeutics	Common Stock	Sell	Dispose S	No	No	0.617	81,506	50.29 k	1,829,146
4 Mar 24	ATRA Atara Biotherapeutics	Common Stock	Sell	Dispose S	No	No	0.72	24,844	17.89 k	1,910,652
8 Jan 24	ATRA Atara Biotherapeutics	Common Stock	Grant	Acquire A	No	No	0	1,280,000	0.00	1,935,496

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.