Kevin J. Knopp

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	2.3183	6,524	15.12 k	692,733
3 Feb 25	MASS 908 Devices	Common Stock	Sell	Dispose S	No	No	2.3107	5,159	11.92 k	699,257
3 Feb 25	MASS 908 Devices	Common Stock	Sell	Dispose S	No	No	2.3307	4,318	10.06 k	704,416
1 Feb 25	MASS 908 Devices	Common Stock	Option exercise	Acquire M	No	No	0	17,007	0.00	708,734
1 Feb 25	MASS 908 Devices	Common Stock	Option exercise	Acquire M	No	No	0	13,448	0.00	691,727
1 Feb 25	MASS 908 Devices	Common Stock	Option exercise	Acquire M	No	No	0	11,254	0.00	678,279
1 Feb 25	MASS 908 Devices	RSU Common Stock	Option exercise	Dispose M	No	No	0	17,007	0.00	51,021
1 Feb 25	MASS 908 Devices	RSU Common Stock	Option exercise	Dispose M	No	No	0	13,448	0.00	26,897
1 Feb 25	MASS 908 Devices	RSU Common Stock	Option exercise	Dispose M	No	No	0	11,254	0.00	11,255
13 Dec 24	MASS 908 Devices	Common Stock	Option exercise	Acquire M	No	No	1.58	110,626	174.79 k	667,025

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