ICU
NasdaqSeaStar Medical Holding Corporation - Common Stock
SEC Company:
CIK 0001831868 →
SEC Ticker Form: ICU
Listing (Nasdaq Trader)
Symbol Directory: ICU →Listing ExchangeNasdaq (Q)
Market CategoryCapital Market (S)
ETFNo
Round Lot Size100 shares
Financial StatusNormal (N)
Test IssueNo
Listing Since2026-09-20 05:30:00 UTC
SEC Ticker EquivalentICU
SEC Entity:
View SEC Company Profile (CIK 0001831868) →
Regulatory Flags (Nasdaq Trader)
Symbol: ICUSEC Regulation SHO Threshold Security Days
Securities with persistent aggregate fail-to-deliver positions exceeding SEC Rule 203(c)(6) thresholds.
Days on List (Last 90 Trading Days)0 days
Total Historical Threshold Days21 days
First Seen on Threshold List2022-10-28
Most Recent Threshold Date2024-07-16
Rule 201 Short Sale Circuit Breakers Triggered
Alternative uptick rule (Rule 201) triggered by a ≥10% price decline from previous day's close (most recent first, up to 50 triggers).
| Trade Date | Trigger Time (ET) |
|---|---|
| 2026-08-13 | 2026-08-12T13:18:08 |
| 2026-08-12 | 2026-08-12T13:18:08 |
| 2026-07-17 | 2026-07-16T15:32:25 |
| 2026-07-16 | 2026-07-16T15:32:25 |
| 2026-06-25 | 2026-06-24T10:30:02 |
| 2026-06-24 | 2026-06-24T10:30:02 |
| 2026-05-15 | 2026-05-14T09:40:13 |
| 2026-05-14 | 2026-05-14T09:40:13 |
| 2026-05-11 | 2026-05-08T13:38:24 |
| 2026-05-08 | 2026-05-08T13:38:24 |
| 2026-04-15 | 2026-04-14T13:26:54 |
| 2026-04-14 | 2026-04-14T13:26:54 |
| 2026-04-13 | 2026-04-10T11:04:50 |
| 2026-04-10 | 2026-04-10T11:04:50 |
| 2026-04-08 | 2026-04-07T09:33:35 |
| 2026-04-07 | 2026-04-07T09:33:35 |
| 2026-04-01 | 2026-03-31T13:41:48 |
| 2026-03-31 | 2026-03-31T13:41:48 |
| 2026-01-21 | 2026-01-20T14:56:00 |
| 2026-01-20 | 2026-01-20T14:56:00 |
| 2026-01-16 | 2026-01-15T11:09:22 |
| 2026-01-15 | 2026-01-15T11:09:22 |
| 2025-12-30 | 2025-12-29T12:21:19 |
| 2025-12-29 | 2025-12-29T12:21:19 |
| 2025-12-22 | 2025-12-19T09:30:00 |
| 2025-12-19 | 2025-12-19T09:30:00 |
| 2025-12-11 | 2025-12-10T14:40:22 |
| 2025-12-10 | 2025-12-10T14:40:22 |
| 2025-11-20 | 2025-11-19T11:51:34 |
| 2025-11-19 | 2025-11-19T11:51:34 |
| 2025-11-18 | 2025-11-17T13:10:48 |
| 2025-11-17 | 2025-11-14T09:30:01 |
| 2025-11-14 | 2025-11-13T14:40:40 |
| 2025-11-13 | 2025-11-13T14:40:40 |
| 2025-11-07 | 2025-11-06T12:52:23 |
| 2025-11-06 | 2025-11-05T09:30:00 |
| 2025-11-05 | 2025-11-04T15:37:11 |
| 2025-11-04 | 2025-11-04T15:37:11 |
| 2025-10-06 | 2025-10-03T15:18:37 |
| 2025-10-03 | 2025-10-03T15:18:37 |
| 2025-09-26 | 2025-09-25T09:30:01 |
| 2025-09-25 | 2025-09-25T09:30:01 |
| 2025-08-18 | 2025-08-15T12:37:46 |
| 2025-08-15 | 2025-08-15T12:37:46 |
| 2025-08-14 | 2025-08-13T10:07:31 |
| 2025-08-13 | 2025-08-12T12:15:18 |
| 2025-08-12 | 2025-08-12T12:15:18 |
| 2025-08-01 | 2025-07-31T15:03:00 |
| 2025-07-31 | 2025-07-31T15:03:00 |
| 2025-07-15 | 2025-07-14T09:35:46 |
Nasdaq Trader Listing Event History
2 events recorded| Date | Source | Event Kind | Description |
|---|---|---|---|
| 2022-11-05 | security_master_intervals | SEC_TICKER | Ticker ICU recorded for this issuer in SEC company tickers (listing date on or before) |
| 2026-09-20 | nasdaqtraded.txt | FIRST_CAPTURE | Already listed on Nasdaq (Capital Market) at first daily capture |
Nasdaq Trader daily captures since 2026-09-20