CMP

Compass Minerals International Inc

Company with tickers: CMP

CIK

1227654

CUSIP

20451N101

Shares Outstanding

41,958,348

13F Activity (30d)

3 filings 2 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	882,861	481,291	1,364,152	43.3%
2026-04-27	707,362	359,147	1,066,509	45.2%
2026-04-20	657,420	307,461	964,881	39.5%
2026-04-13	489,904	312,169	802,073	45.4%
2026-04-06	553,185	328,541	881,726	41.4%
2026-03-30	624,013	293,521	917,534	42.4%
2026-03-23	653,246	297,574	950,820	35.1%
2026-03-16	1,013,869	538,184	1,552,053	29.3%
2026-03-09	642,758	294,157	936,915	36.1%
2026-03-02	487,203	366,007	853,210	39.4%
2026-02-23	556,902	272,188	829,090	36.3%
2026-02-16	263,072	180,034	443,106	30.4%
2026-02-09	528,653	315,184	843,837	35.4%
2026-02-02	1,165,526	353,471	1,518,997	37.7%
2026-01-26	456,301	283,594	739,895	36.3%
2026-01-19	504,207	242,295	746,502	40.5%
2026-01-12	718,100	325,386	1,043,486	43.5%
2026-01-05	544,275	263,177	807,452	30.8%
2025-12-29	279,025	135,803	414,828	31.8%
2025-12-22	275,263	123,823	399,086	30.4%
2025-12-15	727,827	990,597	1,718,424	36.3%
2025-12-08	1,439,798	670,095	2,109,893	39.2%
2025-12-01	302,102	253,623	555,725	33.2%
2025-11-24	241,124	107,732	348,856	31.3%
2025-11-17	310,881	164,341	475,222	31.7%
2025-11-10	476,919	359,495	836,414	38.6%
2025-11-03	425,690	203,874	629,564	33.5%
2025-10-27	401,294	237,986	639,280	35.4%
2025-10-20	342,003	201,386	543,389	31.2%
2025-10-13	379,219	203,756	582,975	33.0%
2025-10-06	427,288	264,016	691,304	35.4%
2025-09-29	388,092	242,048	630,140	28.6%
2025-09-22	349,277	220,019	569,296	30.3%
2025-09-15	370,366	284,682	655,048	24.7%
2025-09-08	313,609	138,686	452,295	31.3%
2025-09-01	261,570	144,700	406,270	30.6%
2025-08-25	288,249	209,992	498,241	29.4%
2025-08-18	362,835	239,110	601,945	34.2%
2025-08-11	893,337	470,529	1,363,866	37.2%
2025-08-04	367,978	307,679	675,657	37.1%
2025-07-28	429,315	340,125	769,440	39.1%
2025-07-21	429,050	355,878	784,928	38.8%
2025-07-14	648,605	349,469	998,074	37.4%
2025-07-07	920,906	573,532	1,494,438	44.1%
2025-06-30	773,176	592,054	1,365,230	40.5%
2025-06-23	1,188,453	1,251,400	2,439,853	50.6%

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