Brown Christopher D. - Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
9/4/26 16:15	9/2/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Laboratory Analytical Instrum	Brown Christopher D.	MA	D		S	-317	10.58	-30	-4	776	D
8/12/26 17:05	8/10/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Laboratory Analytical Instrum	Brown Christopher D.	MA	D		S.m	-162	9.12	-18	-2	806	D
8/7/26 16:50	8/5/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Laboratory Analytical Instrum	Brown Christopher D.	MA	D		S	-170	8.49	-20	-2	823	D
7/7/26 16:45	7/2/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	D		S	-20	9.02	-2	0	843	D
7/2/26 16:15	6/30/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	D		S	-177	8.84	-20	-2	846	D
6/25/26 17:15	6/23/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	D		S	-89	9.04	-10	-1	866	D
6/5/26 18:49	6/4/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	D		S	-1	9.00	0	0	875	D
6/4/26 16:15	6/3/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	D		S	-175	8.73	-20	-2	876	D
5/29/26 16:15	5/28/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	D		S	-270	9.00	-30	-3	896	D
5/7/26 16:30	5/6/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	D		S	-145	7.23	-20	-2	926	D
4/10/26 18:37	4/8/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	D		S.m	-282	7.06	-40	-4	946	D
2/3/26 20:45	2/1/26	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	D		M.d	0	0.00	23	2	986	D
2/4/25 16:49	2/1/25	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	M.d	0	0.00	23	2	962	D
2/4/25 16:49	2/3/25	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	S.d	-18	2.34	-8	-1	962	D
12/19/24 16:53	12/19/24	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	M.d	87	1.58	55	6	946	D
8/8/24 17:01	8/7/24	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	M.d	10	1.58	6	1	891	D
4/2/24 16:06	4/1/24	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	M.d	6	1.75	4	0	885	D
2/2/24 16:37	2/1/24	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	M.d	0	0.00	12	1	886	D
2/2/24 16:37	2/1/24	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	S.d	-28	7.01	-4	0	886	D
12/21/23 16:46	12/19/23	MASS	908 Devices Inc.	DE	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	S.m	-182	9.10	-20	-2	878	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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