MASS - 908 Devices Inc. - Insider Stock Trading

Filing Date	T Date	Ticker	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
5/10/24 18:36	5/10/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	P	58	5.77	10	1	1,040	D
5/9/24 16:34	5/9/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	P	58	5.83	10	1	1,030	D
5/8/24 21:31	5/8/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	P	57	5.72	10	1	1,020	D
5/7/24 18:07	5/7/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	P	56	5.60	10	1	1,010	D
11/23/22 16:38	11/22/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Spoto Mark	MA	D		P	25	9.65	3	6	44	D
12/22/20 20:40	12/22/20	MASS	Electr	LabEq	Measuring & Controlling Devic	Hrusovsky E Kevin	MA	D		P.d	1,000	20.00	50	15	380	M
12/22/20 20:38	12/22/20	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	VP,GC	P	100	20.00	5	New	5	D
12/22/20 20:31	12/22/20	MASS	Electr	LabEq	Measuring & Controlling Devic	Kedar Sharon	MA	D		P.d	2,000	20.00	100	10	1,077	I
12/22/20 20:28	12/22/20	MASS	Electr	LabEq	Measuring & Controlling Devic	Arch Venture Fund Vii, L.P.	IL	T		P.d	6,000	20.00	300	6	5,725	D
12/22/20 20:26	12/22/20	MASS	Electr	LabEq	Measuring & Controlling Devic	Basarsky Trent A.	MA	O	VP,Comme	P	100	20.00	5	New	5	D
12/22/20 20:20	12/22/20	MASS	Electr	LabEq	Measuring & Controlling Devic	Barthelemy Nicolas	MA	D		P.d	280	20.00	14	72	34	M
12/22/20 20:17	12/22/20	MASS	Electr	LabEq	Measuring & Controlling Devic	Crandell Keith	IL	DT		P.d	6,000	20.00	300	6	5,725	I
12/22/20 20:14	12/22/20	MASS	Electr	LabEq	Measuring & Controlling Devic	Spoto Mark	MA	D		P.d	20	20.00	1	1	170	M

D	Derivative transaction in filing (usually option exercise)
M	Multiple transactions in filing; earliest reported transaction date and weighted average transaction price
A	Amended filing
E	Error detected in filing

S - Sale	Sale of securities on an exchange or to another person
S - Sale+OE	Sale of securities on an exchange or to another person (after option exercise)
F - Tax	Payment of exercise price or tax liability using portion of securities received from the company
P - Purchase	Purchase of securities on an exchange or from another person