AnhCo Nguyen

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
18 Nov 24	ATRA Atara Biotherapeutics	Common Stock	Sell	Dispose S	No	No	11.198	1,664	18.63 k	77,454
9 Sep 24	ATRA Atara Biotherapeutics	Common Stock	Grant	Acquire A	No	No	0	45,000	0.00	79,118
16 Aug 24	ATRA Atara Biotherapeutics	Common Stock	Sell	Dispose S	No	No	6.631	56	371.34	34,118
16 Aug 24	ATRA Atara Biotherapeutics	Common Stock	Sell	Dispose S	No	No	6.63	297	1.97 k	34,174
16 Aug 24	ATRA Atara Biotherapeutics	Common Stock	Sell	Dispose S	No	No	6.629	1,468	9.73 k	34,471
16 May 24	ATRA Atara Biotherapeutics	Common Stock	Sell	Dispose S	No	No	0.617	42,899	26.47 k	898,498
4 Mar 24	ATRA Atara Biotherapeutics	Common Stock	Sell	Dispose S	No	No	0.72	10,746	7.74 k	941,397

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