ICU
SeaStar Medical Holding CorpCompany with tickers: ICU, ICUCW
CIK
1831868
CUSIP
81256L302
Shares Outstanding
3,997,002
13F Activity (30d)
11 filings
11 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 | 26,321 | 220,540 | 246,861 | 59.9% |
| 2026-04-27 | 20,143 | 172,675 | 192,818 | 71.1% |
| 2026-04-20 | 24,551 | 211,329 | 235,880 | 61.6% |
| 2026-04-13 | 45,947 | 265,224 | 311,171 | 58.8% |
| 2026-04-06 | 54,628 | 416,354 | 470,982 | 53.5% |
| 2026-03-30 | 133,618 | 1,565,504 | 1,699,122 | 67.6% |
| 2026-03-23 | 54,460 | 577,218 | 631,678 | 56.9% |
| 2026-03-16 | 11,821 | 182,016 | 193,837 | 49.5% |
| 2026-03-09 | 14,885 | 137,712 | 152,597 | 56.0% |
| 2026-03-02 | 16,756 | 166,637 | 183,393 | 58.9% |
| 2026-02-23 | 14,515 | 146,002 | 160,517 | 56.9% |
| 2026-02-16 | 8,685 | 84,770 | 93,455 | 55.5% |
| 2026-02-09 | 30,636 | 323,994 | 354,630 | 44.1% |
| 2026-02-02 | 18,857 | 191,151 | 210,008 | 61.8% |
| 2026-01-26 | 13,331 | 297,128 | 310,459 | 61.3% |
| 2026-01-19 | 19,483 | 323,250 | 342,733 | 63.4% |
| 2026-01-12 | 50,988 | 720,714 | 771,702 | 63.0% |
| 2026-01-05 | 21,913 | 318,056 | 339,969 | 58.1% |
| 2025-12-29 | 72,229 | 2,124,394 | 2,196,623 | 100.0% |
| 2025-12-22 | 383,458 | 3,710,902 | 4,094,360 | 100.0% |
| 2025-12-15 | 104,625 | 3,881,189 | 3,985,814 | 100.0% |
| 2025-12-08 | 191,910 | 3,068,836 | 3,260,746 | 100.0% |
| 2025-12-01 | 411,088 | 7,723,577 | 8,134,665 | 100.0% |
| 2025-11-24 | 872,989 | 17,808,297 | 18,681,286 | 100.0% |
| 2025-11-17 | 272,423 | 4,107,872 | 4,380,295 | 100.0% |
| 2025-11-10 | 102,140 | 2,509,140 | 2,611,280 | 100.0% |
| 2025-11-03 | 112,443 | 2,989,946 | 3,102,389 | 100.0% |
| 2025-10-27 | 94,505 | 1,585,744 | 1,680,249 | 100.0% |
| 2025-10-20 | 932,646 | 2,710,429 | 3,643,075 | 100.0% |
| 2025-10-13 | 441,588 | 5,800,375 | 6,241,963 | 100.0% |
| 2025-10-06 | 307,981 | 5,062,148 | 5,370,129 | 100.0% |
| 2025-09-29 | 310,510 | 14,345,684 | 14,656,194 | 100.0% |
| 2025-09-22 | 2,272,818 | 26,165,280 | 28,438,098 | 100.0% |
| 2025-09-15 | 216,999 | 2,955,188 | 3,172,187 | 100.0% |
| 2025-09-08 | 222,900 | 2,399,371 | 2,622,271 | 100.0% |
| 2025-09-01 | 170,159 | 3,509,301 | 3,679,460 | 100.0% |
| 2025-08-25 | 304,413 | 4,343,578 | 4,647,991 | 100.0% |
| 2025-08-18 | 169,966 | 2,532,248 | 2,702,214 | 100.0% |
| 2025-08-11 | 310,009 | 6,830,680 | 7,140,689 | 100.0% |
| 2025-08-04 | 137,055 | 4,048,052 | 4,185,107 | 100.0% |
| 2025-07-28 | 1,130,924 | 10,824,655 | 11,955,579 | 100.0% |
| 2025-07-21 | 585,432 | 24,897,502 | 25,482,934 | 100.0% |
| 2025-07-14 | 212,959 | 6,354,958 | 6,567,917 | 100.0% |
| 2025-07-07 | 2,141,553 | 25,718,299 | 27,859,852 | 100.0% |
| 2025-06-30 | 235,242 | 15,019,882 | 15,255,124 | 100.0% |
| 2025-06-23 | 4,757,802 | 194,617,757 | 199,375,559 | 100.0% |
| 2025-06-16 | 573,787 | 14,911,647 | 15,485,434 | 100.0% |
| 2025-06-09 | 31,107 | 562,768 | 593,875 | 100.0% |
| 2025-06-02 | 26,685 | 387,121 | 413,806 | 100.0% |
| 2025-05-26 | 10,596 | 482,834 | 493,430 | 100.0% |
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