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
12/19/24 16:53	12/19/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	M.d	87	1.58	55	6	946	D
12/16/24 16:13	12/13/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	M.d	258	1.63	158	15	1,208	D
8/8/24 17:01	8/7/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	M.d	10	1.58	6	1	891	D
6/14/24 16:21	6/12/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Crandell Keith	IL	DT		M.d	0	0.00	8	0	5,739	D
6/14/24 16:21	6/12/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Spoto Mark	MA	D		M.d	0	0.00	8	16	57	D
6/14/24 16:21	6/12/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Hrusovsky E Kevin	MA	D		M.d	0	0.00	8	2	470	D
6/14/24 16:21	6/12/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Hunt Anthony	MA	D		M.d	0	0.00	8	88	17	D
6/14/24 16:20	6/12/24	MASS	Electr	LabEq	Measuring & Controlling Devic	George Jeffrey P.	MA	D		M.d	0	0.00	8	101	15	D
6/14/24 16:20	6/12/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Eloi Fenel M	MA	D		M.d	0	0.00	8	101	15	D
6/14/24 16:20	6/12/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Eisenberg Marcia	MA	D		M.d	0	0.00	8	114	15	D
6/10/24 16:13	6/7/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Eisenberg Marcia	MA	D		M.d	0	0.00	1	11	7	D
5/13/24 16:42	5/13/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	P	64	6.42	10	1	1,050	D
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
4/16/24 16:11	4/16/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	M.d	82	1.75	47	5	1,000	D
4/2/24 16:06	4/1/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	M.d	6	1.75	4	0	885	D
3/27/24 16:16	3/26/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	13	1.58	8	10	93	D
3/5/24 18:05	3/4/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Hunt Anthony	MA	D		M.d	0	0.00	2	30	9	D
2/23/24 16:11	2/22/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Eloi Fenel M	MA	D		M.d	0	0.00	1	7	8	D
2/23/24 16:11	2/22/24	MASS	Electr	LabEq	Measuring & Controlling Devic	George Jeffrey P.	MA	D		M.d	0	0.00	1	7	8	D
2/2/24 19:10	2/1/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.dm	-109	7.06	-15	-16	80	D
2/2/24 19:10	2/1/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	0	0.00	15	24	80	D
2/2/24 16:40	2/1/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	Chief Le	S.d	-37	6.99	-5	-36	9	D
2/2/24 16:40	2/1/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	Chief Le	M.d	0	0.00	14		9	D
2/2/24 16:39	2/1/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S.d	-63	7.00	-9	-1	953	D
2/2/24 16:39	2/1/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	M.d	0	0.00	25	3	953	D
2/2/24 16:37	2/1/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	S.d	-28	7.01	-4	0	886	D
2/2/24 16:37	2/1/24	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	M.d	0	0.00	12	1	886	D
1/2/24 17:01	12/28/23	MASS	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	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S	-51	9.08	-6	-6	86	D
12/21/23 16:46	12/19/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	S.m	-182	9.10	-20	-2	878	D
6/16/23 17:52	6/14/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Eisenberg Marcia	MA	D		M.d	0	0.00	5	350	6	D
6/16/23 17:52	6/14/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Crandell Keith	IL	DT		M.d	0	0.00	5	0	5,731	D
6/16/23 17:52	6/14/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Hunt Anthony	MA	D		M.d	0	0.00	5	232	7	D
6/16/23 17:52	6/14/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Spoto Mark	MA	D		M.d	0	0.00	5	11	49	D
6/16/23 17:51	6/14/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Hrusovsky E Kevin	MA	D		M.d	0	0.00	5	1	462	D
6/16/23 17:51	6/14/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Eloi Fenel M	MA	D		M.d	0	0.00	5	199	7	D
6/16/23 17:51	6/14/23	MASS	Electr	LabEq	Measuring & Controlling Devic	George Jeffrey P.	MA	D		M.d	0	0.00	5	199	7	D
6/14/23 16:14	6/7/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Eisenberg Marcia	MA	D		M.d	0	0.00	1	100	1	D
6/9/23 16:17	6/7/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	Chief Pr	S	-45	10.03	-4	0	898	D
6/5/23 16:07	6/5/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	M.d	50	1.75	29	3	938	D
5/25/23 16:12	5/23/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	CTO	S	-100	10.02	-10	-1	892	D
5/25/23 16:08	5/23/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S	-607	10.12	-60	-6	909	D
3/23/23 17:38	3/22/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	8	1.58	5	5	97	D
3/7/23 16:20	3/2/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Hunt Anthony	MA	D		M.d	0	0.00	2	New	2	D
2/23/23 16:33	2/22/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Eloi Fenel M	MA	D		M.d	0	0.00	1	27	2	D
2/23/23 16:28	2/22/23	MASS	Electr	LabEq	Measuring & Controlling Devic	George Jeffrey P.	MA	D		M.d	0	0.00	1	27	2	D
2/17/23 16:06	2/15/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S.m	-205	10.25	-20	-2	969	D
2/3/23 17:17	2/1/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	VP,GC	S.dm	-43	9.72	-4	-100	0	D
2/3/23 17:17	2/1/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	VP,GC	M.d	0	0.00	4		0	D
2/3/23 17:16	2/1/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S.dm	-458	10.40	-44	-4	989	D
2/3/23 17:16	2/1/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	M.d	0	0.00	11	1	989	D
2/3/23 17:16	2/1/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.dm	-50	9.72	-5	-5	92	D
2/3/23 17:16	2/1/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	0	0.00	5	6	92	D
2/3/23 17:15	2/1/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Fitzpatrick Maura	MA	O	VP,Produ	S.d	-15	9.20	-2	-36	3	D
2/3/23 17:15	2/1/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Fitzpatrick Maura	MA	O	VP,Produ	M.d	0	0.00	4		3	D
2/3/23 17:14	2/1/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	CTO	S.dm	-115	9.91	-12	-1	902	D
2/3/23 17:14	2/1/23	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	CTO	M.d	0	0.00	5	1	902	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
11/22/22 16:06	11/21/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Hrusovsky E Kevin	MA	D		M.d	27	0.3500	76	20	457	D
11/17/22 16:25	11/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S	-221	11.04	-20	-2	1,022	D
10/19/22 17:07	10/17/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S.m	-452	15.08	-30	-3	1,042	D
9/19/22 16:21	9/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S	-508	16.94	-30	-3	1,072	D
9/14/22 16:27	9/12/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	CTO	S	-392	19.58	-20	-2	909	D
8/18/22 16:22	8/17/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	VP,GC	S.d	-91	18.15	-5	-100	0	D
8/18/22 16:22	8/17/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	VP,GC	M.d	40	7.91	5		0	D
8/17/22 16:18	8/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S	-578	19.27	-30	-3	1,102	D
8/5/22 16:18	8/3/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.dm	-325	24.39	-13	-13	92	D
8/5/22 16:18	8/3/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.dm	13	0.9600	13	17	92	D
8/3/22 16:16	8/2/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	VP,GC	S.d	-240	23.96	-10	-100	0	D
8/3/22 16:16	8/2/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	VP,GC	M.d	79	7.91	10		0	D
8/1/22 17:11	7/28/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S.m	-854	22.28	-38	-3	1,158	D
7/25/22 16:16	7/21/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S	-4	22.04	0	0	1,196	D
7/19/22 16:30	7/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S	-521	17.37	-30	-2	1,197	D
7/8/22 16:37	7/6/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	CTO	S	-213	21.28	-10	-1	929	D
7/8/22 16:35	7/6/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S.m	-32	22.07	-1	0	1,227	D
7/1/22 16:11	6/29/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	VP,GC	S	-100	20.03	-5	-100	0	D
7/1/22 16:10	6/29/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Brown Christopher D.	MA	O	CTO	S.m	-407	20.20	-20	-2	939	D
6/27/22 17:00	6/24/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.dm	-348	19.12	-18	-17	92	D
6/27/22 17:00	6/24/22	MASS	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	6/23/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	VP,GC	S.d	-179	17.90	-10	-67	5	D
6/27/22 17:00	6/23/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Turner Michael S.	MA	O	VP,GC	M.d	79	7.91	10		5	D
6/22/22 16:08	6/17/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.dm	-135	15.06	-9	-9	92	D
6/22/22 16:08	6/17/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.dm	9	0.9600	9	11	92	D
6/22/22 16:07	6/21/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S	-139	15.07	-9	-1	1,228	D
6/17/22 16:19	6/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Spoto Mark	MA	D		M.d	0	0.00	1	3	41	D
6/17/22 16:18	6/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Hrusovsky E Kevin	MA	D		M.d	0	0.00	1	0	381	D
6/17/22 16:17	6/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	George Jeffrey P.	MA	D		M.d	0	0.00	1	271	2	D
6/17/22 16:16	6/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Eloi Fenel M	MA	D		M.d	0	0.00	1	271	2	D
6/17/22 16:15	6/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Crandell Keith	IL	DT		M.d	0	0.00	1	0	5,726	D
6/17/22 16:14	6/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Barthelemy Nicolas	MA	D		M.d	0	0.00	1	5	29	D
6/17/22 16:13	6/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.d	-15	15.02	-1	-1	92	D
6/17/22 16:13	6/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	1	0.9600	1	1	92	D
6/17/22 16:12	6/15/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Knopp Kevin J.	MA	DO	P,CEO	S	-305	14.66	-21	-2	1,237	D
6/15/22 16:20	6/13/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	S.d	-181	13.54	-13	-13	92	D
6/15/22 16:20	6/13/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Griffith Joseph H. IV	MA	O	CFO	M.d	13	0.9600	13	17	92	D
6/8/22 16:13	6/7/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Eisenberg Marcia	MA	D		M.d	0	0.00	1	New	1	D
4/28/22 16:17	4/27/22	MASS	Electr	LabEq	Measuring & Controlling Devic	Basarsky Trent A.	MA	O	VP,Corpo	M.d	9	1.75	5	7	80	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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