INSP
Inspire Medical Systems, Inc.Company with tickers: INSP
CIK
1609550
CUSIP
457730109
Shares Outstanding
28,813,153
Website
https://www.inspiresleep.com
Investor Relations
https://investors.inspiresleep.com/overview/default.aspx
13F Activity (30d)
144 filings
134 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 |
|---|---|---|---|---|
| 2026-05-18 | 1,783,547 | 773,895 | 2,557,442 | 44.8% |
| 2026-05-11 | 1,715,818 | 2,077,469 | 3,793,287 | 71.1% |
| 2026-05-04 | 3,151,292 | 1,632,572 | 4,783,864 | 47.9% |
| 2026-04-27 | 1,209,911 | 607,265 | 1,817,176 | 53.8% |
| 2026-04-20 | 1,325,775 | 425,579 | 1,751,354 | 44.9% |
| 2026-04-13 | 1,144,457 | 459,464 | 1,603,921 | 52.9% |
| 2026-04-06 | 2,021,175 | 664,011 | 2,685,186 | 42.6% |
| 2026-03-30 | 1,353,064 | 453,938 | 1,807,002 | 51.3% |
| 2026-03-23 | 1,160,794 | 732,250 | 1,893,044 | 43.8% |
| 2026-03-16 | 1,707,211 | 776,210 | 2,483,421 | 46.1% |
| 2026-03-09 | 1,102,442 | 647,076 | 1,749,518 | 43.0% |
| 2026-03-02 | 1,403,935 | 1,010,672 | 2,414,607 | 45.7% |
| 2026-02-23 | 2,796,362 | 1,313,586 | 4,109,948 | 43.6% |
| 2026-02-16 | 1,382,571 | 299,731 | 1,682,302 | 41.7% |
| 2026-02-09 | 4,008,678 | 1,162,168 | 5,170,846 | 47.6% |
| 2026-02-02 | 1,691,483 | 851,048 | 2,542,531 | 43.5% |
| 2026-01-26 | 2,095,697 | 483,170 | 2,578,867 | 44.9% |
| 2026-01-19 | 3,260,808 | 787,206 | 4,048,014 | 46.5% |
| 2026-01-12 | 1,201,416 | 352,042 | 1,553,458 | 41.8% |
| 2026-01-05 | 1,998,364 | 882,680 | 2,881,044 | 45.8% |
| 2025-12-29 | 1,171,337 | 503,019 | 1,674,356 | 41.4% |
| 2025-12-22 | 1,096,337 | 745,031 | 1,841,368 | 46.0% |
| 2025-12-15 | 5,154,879 | 3,056,965 | 8,211,844 | 47.2% |
| 2025-12-08 | 2,825,360 | 2,253,481 | 5,078,841 | 50.8% |
| 2025-12-01 | 3,082,159 | 648,243 | 3,730,402 | 48.2% |
| 2025-11-24 | 4,149,649 | 1,623,050 | 5,772,699 | 45.1% |
| 2025-11-17 | 1,192,175 | 445,974 | 1,638,149 | 36.3% |
| 2025-11-10 | 1,670,328 | 506,095 | 2,176,423 | 41.4% |
| 2025-11-03 | 3,276,552 | 1,093,551 | 4,370,103 | 44.7% |
| 2025-10-27 | 1,489,922 | 874,309 | 2,364,231 | 40.9% |
| 2025-10-20 | 1,641,842 | 366,840 | 2,008,682 | 43.4% |
| 2025-10-13 | 1,246,792 | 251,707 | 1,498,499 | 41.2% |
| 2025-10-06 | 1,683,002 | 1,852,826 | 3,535,828 | 59.6% |
| 2025-09-29 | 1,794,863 | 477,243 | 2,272,106 | 43.3% |
| 2025-09-22 | 1,418,459 | 400,464 | 1,818,923 | 40.5% |
| 2025-09-15 | 1,375,539 | 460,350 | 1,835,889 | 34.4% |
| 2025-09-08 | 1,544,838 | 602,009 | 2,146,847 | 35.0% |
| 2025-09-01 | 1,276,882 | 496,152 | 1,773,034 | 38.5% |
| 2025-08-25 | 1,187,498 | 375,881 | 1,563,379 | 39.2% |
| 2025-08-18 | 1,089,087 | 646,507 | 1,735,594 | 36.2% |
| 2025-08-11 | 1,406,149 | 693,015 | 2,099,164 | 36.5% |
| 2025-08-04 | 4,723,584 | 3,064,057 | 7,787,641 | 39.3% |
| 2025-07-28 | 645,254 | 217,420 | 862,674 | 32.2% |
| 2025-07-21 | 847,885 | 177,458 | 1,025,343 | 38.6% |
| 2025-07-14 | 1,005,890 | 186,061 | 1,191,951 | 37.7% |
| 2025-07-07 | 1,172,736 | 267,845 | 1,440,581 | 40.2% |
| 2025-06-30 | 676,385 | 175,577 | 851,962 | 37.8% |
| 2025-06-23 | 795,411 | 184,607 | 980,018 | 42.1% |
| 2025-06-16 | 752,134 | 181,409 | 933,543 | 38.7% |
Showing 1–49 of 49 weeks