MASS · 908 Devices Inc.

$10.01 -0.10 (-0.99%) At close · Aug 14

Market Cap

$413.75M

41.33M

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-07-06	237,153	147,924	385,077	33.1%
2026-06-29	185,029	107,761	292,790	32.7%
2026-06-22	231,279	637,584	868,863	33.5%
2026-06-15	138,888	717,702	856,590	53.3%
2026-06-08	175,341	98,494	273,835	31.6%
2026-06-01	271,588	265,362	536,950	34.2%
2026-05-25	240,462	238,547	479,009	31.0%
2026-05-18	123,429	151,615	275,044	27.8%
2026-05-11	171,743	157,242	328,985	32.5%
2026-05-04	411,861	456,006	867,867	37.8%
2026-04-27	170,903	147,998	318,901	27.9%
2026-04-20	227,259	185,982	413,241	37.1%
2026-04-13	219,335	218,078	437,413	36.9%
2026-04-06	250,627	173,464	424,091	29.1%
2026-03-30	166,030	160,881	326,911	34.9%
2026-03-23	187,772	141,189	328,961	25.0%
2026-03-16	276,976	213,187	490,163	33.8%
2026-03-09	196,990	194,490	391,480	32.6%
2026-03-02	478,928	329,634	808,562	37.6%
2026-02-23	187,077	124,480	311,557	30.9%
2026-02-16	169,420	124,686	294,106	33.2%
2026-02-09	255,833	145,053	400,886	34.6%
2026-02-02	467,593	252,654	720,247	32.4%
2026-01-26	311,899	184,402	496,301	32.1%
2026-01-19	446,369	531,741	978,110	36.7%
2026-01-12	223,838	174,338	398,176	32.6%
2026-01-05	320,401	216,636	537,037	34.4%
2025-12-29	244,671	270,220	514,891	38.9%
2025-12-22	472,438	405,767	878,205	45.1%
2025-12-15	832,610	1,452,417	2,285,027	42.9%
2025-12-08	310,518	312,795	623,313	38.0%
2025-12-01	357,303	295,606	652,909	38.9%
2025-11-24	344,335	212,157	556,492	32.9%
2025-11-17	465,939	211,415	677,354	29.7%
2025-11-10	524,158	420,282	944,440	39.4%
2025-11-03	327,985	393,777	721,762	37.3%
2025-10-27	192,251	247,652	439,903	34.3%
2025-10-20	226,389	241,878	468,267	37.8%
2025-10-13	198,376	210,649	409,025	32.2%
2025-10-06	297,681	525,470	823,151	40.9%
2025-09-29	310,184	570,832	881,016	42.2%
2025-09-22	385,424	795,886	1,181,310	41.9%
2025-09-15	388,686	431,577	820,263	32.4%
2025-09-08	494,020	296,898	790,918	45.6%
2025-09-01	271,272	211,607	482,879	36.6%
2025-08-25	203,707	177,069	380,776	40.7%
2025-08-18	210,463	156,270	366,733	33.5%

Showing 1–47 of 47 weeks

Key facts CIK 1555279 CUSIP 65443P102 13F (30d) 113 filings 108 filers Visit website Investor relations