Insider Buying and Selling - MASS

Transaction	Filed	Name	Type	Shares @ Price	Value	Balance change		Ownership
09/02/2026 10b5-1	09/04/2026	Brown Christopher D. Director	Sell	-30,000 @ $10.58	($317,400.00)	775,559	(-3.72%)	Direct
08/25/2026 10b5-1	08/27/2026	Griffith Joseph H. Iv Chief Financial Officer CFO	Sell	-11,459 @ $10.95	($125,476.05)	121,497	(-8.62%)	Direct
08/17/2026 10b5-1	08/17/2026	Knopp Kevin J. President and CEO CEO Director	Sell	-20,000 @ $10.35	($207,000.00)	555,968	(-3.47%)	Direct
08/13/2026 10b5-1	08/17/2026	Knopp Kevin J. President and CEO CEO Director	Sell	-7,622 @ $10.06	($76,677.32)	575,968	(-1.31%)	Direct
08/12/2026 10b5-1	08/12/2026	Knopp Kevin J. President and CEO CEO Director	Sell	-2,747 @ $10.07	($27,662.29)	583,590	(-0.47%)	Direct
08/11/2026 10b5-1	08/12/2026	Brown Christopher D. Director	Sell	-8,358 @ $9.23	($77,144.34)	805,559	(-1.03%)	Direct
08/11/2026 10b5-1	08/12/2026	Knopp Kevin J. President and CEO CEO Director	Sell	-145,918 @ $9.90	($1,444,330.04)	586,337	(-19.93%)	Direct
08/10/2026 10b5-1	08/12/2026	Brown Christopher D. Director	Sell	-9,442 @ $9.03	($85,261.26)	813,917	(-1.15%)	Direct
08/10/2026 10b5-1	08/12/2026	Knopp Kevin J. President and CEO CEO Director	Sell	-348 @ $9.06	($3,152.88)	732,255	(-0.05%)	Direct
08/05/2026 10b5-1	08/07/2026	Brown Christopher D. Director	Sell	-20,000 @ $8.49	($169,800.00)	823,359	(-2.37%)	Direct
07/02/2026 10b5-1	07/07/2026	Brown Christopher D. Director	Sell	-2,200 @ $9.02	($19,844.00)	843,359	(-0.26%)	Direct
07/02/2026 10b5-1	07/07/2026	Knopp Kevin J. President and CEO CEO Director	Sell	-222 @ $9.07	($2,013.54)	732,603	(-0.03%)	Direct
06/30/2026 10b5-1	07/02/2026	Brown Christopher D. Director	Sell	-20,000 @ $8.84	($176,800.00)	845,559	(-2.31%)	Direct
06/26/2026 10b5-1	06/30/2026	Knopp Kevin J. President and CEO CEO Director	Sell	-2,798 @ $9.09	($25,433.82)	732,825	(-0.38%)	Direct
06/25/2026 10b5-1	06/25/2026	Knopp Kevin J. President and CEO CEO Director	Sell	-16,388 @ $9.10	($149,130.80)	735,623	(-2.18%)	Direct
06/24/2026 10b5-1	06/25/2026	Knopp Kevin J. President and CEO CEO Director	Sell	-40,535 @ $9.14	($370,489.90)	752,011	(-5.11%)	Direct
06/23/2026 10b5-1	06/25/2026	Brown Christopher D. Director	Sell	-9,900 @ $9.04	($89,496.00)	865,559	(-1.13%)	Direct
06/23/2026 10b5-1	06/25/2026	Knopp Kevin J. President and CEO CEO Director	Sell	-3,422 @ $9.06	($31,003.32)	792,546	(-0.43%)	Direct
06/04/2026 10b5-1	06/05/2026	Brown Christopher D. Director	Sell	-100 @ $9.00	($900.00)	875,459	(-0.01%)	Direct
06/03/2026 10b5-1	06/04/2026	Brown Christopher D. Director	Sell	-20,000 @ $8.73	($174,600.00)	875,559	(-2.23%)	Direct
05/28/2026 10b5-1	05/29/2026	Brown Christopher D. Director	Sell	-30,000 @ $9.00	($270,000.00)	895,559	(-3.24%)	Direct
05/28/2026 10b5-1	05/29/2026	Griffith Joseph H. Iv Chief Financial Officer CFO	Sell	-6,940 @ $9.03	($62,668.20)	132,956	(-4.96%)	Direct
05/08/2026	05/11/2026	Kenneweg John SVP, Sales & Product Marketing Officer	Sell	-18,255 @ $8.11	($148,048.05)	57,784	(-24.01%)	Direct
05/06/2026 10b5-1	05/07/2026	Brown Christopher D. Director	Sell	-20,000 @ $7.23	($144,600.00)	925,559	(-2.12%)	Direct
04/10/2026 10b5-1	04/10/2026	Brown Christopher D. Director	Sell	-17,578 @ $7.07	($124,276.46)	945,559	(-1.83%)	Direct
04/09/2026 10b5-1	04/10/2026	Brown Christopher D. Director	Sell	-7,392 @ $7.04	($52,039.68)	963,137	(-0.76%)	Direct
04/08/2026 10b5-1	04/10/2026	Brown Christopher D. Director	Sell	-15,030 @ $7.05	($105,961.50)	970,529	(-1.53%)	Direct
10/03/2025 10b5-1	10/06/2025	Griffith Joseph H. Iv Chief Financial Officer CFO	Sell	-4,292 @ $9.05	($38,849.04)	92,930	(-4.41%)	Direct
10/02/2025 10b5-1	10/06/2025	Griffith Joseph H. Iv Chief Financial Officer CFO	Sell	-708 @ $9.04	($6,397.77)	97,222	(-0.72%)	Direct
09/19/2025 10b5-1	09/23/2025	Griffith Joseph H. Iv Chief Financial Officer CFO	Sell	-5,000 @ $7.07	($35,338.50)	97,930	(-4.86%)	Direct

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908 Devices Inc. - MASS

Latest data: 9/14/2026 10:02:20 PM

Buy Breakdown

Total $0

Sell Breakdown

Total $4,561,795

Monthly Totals