OM

Outset Medical, Inc.

Company with tickers: OM

CIK

1484612

CUSIP

690145206

Shares Outstanding

18,537,241

13F Activity (30d)

64 filings 61 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.

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
2026-05-04	207,854	261,525	469,379	44.1%
2026-04-27	129,997	79,879	209,876	40.9%
2026-04-20	159,280	96,535	255,815	39.1%
2026-04-13	113,080	161,781	274,861	48.9%
2026-04-06	82,884	97,259	180,143	39.4%
2026-03-30	101,666	112,796	214,462	43.6%
2026-03-23	114,469	136,608	251,077	37.9%
2026-03-16	132,133	213,602	345,735	41.7%
2026-03-09	233,182	392,347	625,529	48.0%
2026-03-02	251,602	229,217	480,819	36.0%
2026-02-23	348,379	207,821	556,200	42.5%
2026-02-16	188,413	343,312	531,725	44.4%
2026-02-09	287,177	611,902	899,079	44.4%
2026-02-02	239,889	417,129	657,018	43.7%
2026-01-26	300,772	778,190	1,078,962	45.0%
2026-01-19	217,181	331,812	548,993	42.9%
2026-01-12	1,348,534	12,774,040	14,122,574	49.5%
2026-01-05	433,607	843,270	1,276,877	46.4%
2025-12-29	278,389	541,418	819,807	51.8%
2025-12-22	521,919	513,817	1,035,736	42.7%
2025-12-15	272,748	639,608	912,356	42.1%

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