Michael S. Turner

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
3 Feb 25	MASS 908 Devices	Common Stock	Sell	Dispose S	No	No	2.3196	4,162	9.65 k	24,603
3 Feb 25	MASS 908 Devices	Common Stock	Sell	Dispose S	No	No	2.3197	3,807	8.83 k	28,765
3 Feb 25	MASS 908 Devices	Common Stock	Sell	Dispose S	No	No	2.3568	1,703	4.01 k	32,572
1 Feb 25	MASS 908 Devices	Common Stock	Option exercise	Acquire M	No	No	0	10,834	0.00	34,275
1 Feb 25	MASS 908 Devices	Common Stock	Option exercise	Acquire M	No	No	0	9,909	0.00	23,441
1 Feb 25	MASS 908 Devices	Common Stock	Option exercise	Acquire M	No	No	0	4,427	0.00	13,532
1 Feb 25	MASS 908 Devices	RSU Common Stock	Option exercise	Dispose M	No	No	0	10,834	0.00	32,500
1 Feb 25	MASS 908 Devices	RSU Common Stock	Option exercise	Dispose M	No	No	0	9,909	0.00	19,819
1 Feb 25	MASS 908 Devices	RSU Common Stock	Option exercise	Dispose M	No	No	0	4,427	0.00	4,427
1 Mar 24	MASS 908 Devices	RSU Common Stock, par value $0.001	Grant	Acquire A	No	No	0	43,334	0.00	43,334

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