Eric Siemers

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
21 Jan 25	ABOS Acumen Pharmaceuticals	Common Stock	Sell	Dispose S	No	Yes	1.59	3,219	5.12 k	170,298
6 Jan 25	ABOS Acumen Pharmaceuticals	Common Stock	Grant	Acquire A	No	No	0	66,800	0.00	173,517
6 Jan 25	ABOS Acumen Pharmaceuticals	Employee Stock Option Common Stock	Grant	Acquire A	No	No	1.85	100,300	185.56 k	100,300
3 Jan 25	ABOS Acumen Pharmaceuticals	Common Stock	Sell	Dispose S	No	Yes	1.8461	10,859	20.05 k	106,717
18 Jan 24	ABOS Acumen Pharmaceuticals	Common Stock	Sell	Dispose S	No	Yes	3.7144	3,124	11.60 k	117,576
2 Jan 24	ABOS Acumen Pharmaceuticals	Common Stock	Grant	Acquire A	No	No	0	94,000	0.00	120,700
2 Jan 24	ABOS Acumen Pharmaceuticals	Employee Stock Option Common Stock	Grant	Acquire A	No	No	4.23	141,000	596.43 k	141,000

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