Griffith Joseph H. IV - Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
3/27/24 16:16	3/26/24	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	13	1.58	8	10	93	D
2/2/24 19:10	2/1/24	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	0	0.00	15	24	80	D
2/2/24 19:10	2/1/24	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.dm	-109	7.06	-15	-16	80	D
1/2/24 17:01	12/28/23	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S	-72	12.08	-6	-7	80	D
12/21/23 16:47	12/19/23	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S	-51	9.08	-6	-6	86	D
3/23/23 17:38	3/22/23	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	8	1.58	5	5	97	D
2/3/23 17:16	2/1/23	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	0	0.00	5	6	92	D
2/3/23 17:16	2/1/23	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.dm	-50	9.72	-5	-5	92	D
8/5/22 16:18	8/3/22	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.dm	13	0.9600	13	17	92	D
8/5/22 16:18	8/3/22	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.dm	-325	24.39	-13	-13	92	D
6/27/22 17:00	6/24/22	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.dm	17	0.9600	18	25	92	D
6/27/22 17:00	6/24/22	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.dm	-348	19.12	-18	-17	92	D
6/22/22 16:08	6/17/22	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.dm	9	0.9600	9	11	92	D
6/22/22 16:08	6/17/22	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.dm	-135	15.06	-9	-9	92	D
6/17/22 16:13	6/15/22	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	1	0.9600	1	1	92	D
6/17/22 16:13	6/15/22	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.d	-15	15.02	-1	-1	92	D
6/15/22 16:20	6/13/22	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	13	0.9600	13	17	92	D
6/15/22 16:20	6/13/22	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.d	-181	13.54	-13	-13	92	D
11/5/21 16:37	11/5/21	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S	-109	39.08	-3	-3	89	D
9/10/21 16:22	9/8/21	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	28	0.5628	50	120	92	D
9/10/21 16:22	9/8/21	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.d	-1,877	37.61	-50	-35	92	D
6/21/21 08:05	6/16/21	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S	-700	39.32	-18	-16	92	D

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

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