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MEC

Mayville Engineering Company, Inc.

Company with tickers: MEC

CIK
1766368
CUSIP
578605107
Shares Outstanding
25,494,006
13F Activity (30d)
47 filings 44 filers

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.

Off-Exchange Volume History

Week Start ATS Volume Non-ATS OTC Volume Total Off-Exchange % of FINRA Weekly Volume
2026-05-04 433,031 252,065 685,096 46.9%
2026-04-27 221,476 71,707 293,183 51.2%
2026-04-20 82,496 51,506 134,002 41.9%
2026-04-13 150,377 57,856 208,233 39.2%
2026-04-06 171,886 71,043 242,929 41.6%
2026-03-30 146,988 87,279 234,267 47.1%
2026-03-23 167,599 66,219 233,818 39.8%
2026-03-16 161,145 95,213 256,358 33.1%
2026-03-09 252,190 89,859 342,049 37.7%
2026-03-02 498,080 191,069 689,149 38.2%
2026-02-23 178,945 61,967 240,912 39.3%
2026-02-16 118,980 99,130 218,110 46.7%
2026-02-09 179,751 129,868 309,619 44.9%
2026-02-02 213,644 154,118 367,762 39.6%
2026-01-26 236,167 81,306 317,473 40.9%
2026-01-19 88,570 72,148 160,718 37.4%
2026-01-12 348,869 222,828 571,697 51.5%
2026-01-05 212,394 66,755 279,149 34.1%
2025-12-29 198,739 128,326 327,065 45.5%
2025-12-22 144,839 60,646 205,485 42.8%
2025-12-15 254,775 125,683 380,458 30.8%
Showing 1–21 of 21 weeks