SST
System1, Inc.Company with tickers: SST, SSTPW
CIK
1805833
CUSIP
87200P208
Shares Outstanding
91,455,846
Website
https://ir.system1.com
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.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-04 | 254,389 | 2,195,223 | 2,449,612 | 62.0% |
| 2026-04-27 | 814,826 | 5,212,746 | 6,027,572 | 46.7% |
| 2026-04-20 | 1,954,975 | 31,000,889 | 32,955,864 | 65.7% |
| 2026-04-13 | 172,287 | 1,188,929 | 1,361,216 | 77.5% |
| 2026-04-06 | 347,906 | 2,539,582 | 2,887,488 | 73.1% |
| 2026-03-30 | 1,646,977 | 22,175,575 | 23,822,552 | 60.7% |
| 2026-03-23 | 3,932,862 | 51,596,495 | 55,529,357 | 61.8% |
| 2026-03-16 | 10,530 | 120,642 | 131,172 | 51.7% |
| 2026-03-09 | 12,789 | 106,657 | 119,446 | 61.1% |
| 2026-03-02 | 9,680 | 27,219 | 36,899 | 55.9% |
| 2026-02-23 | 4,371 | 16,006 | 20,377 | 59.1% |
| 2026-02-16 | 9,389 | 9,474 | 18,863 | 47.8% |
| 2026-02-09 | 2,056 | 12,953 | 15,009 | 58.6% |
| 2026-02-02 | 3,104 | 8,127 | 11,231 | 39.8% |
| 2026-01-26 | 4,321 | 12,924 | 17,245 | 55.6% |
| 2026-01-19 | 1,730 | 13,038 | 14,768 | 53.3% |
| 2026-01-12 | 5,522 | 22,516 | 28,038 | 52.9% |
| 2026-01-05 | 6,355 | 38,354 | 44,709 | 59.7% |
| 2025-12-29 | 8,275 | 31,544 | 39,819 | 43.6% |
| 2025-12-22 | 3,327 | 22,228 | 25,555 | 55.7% |
| 2025-12-15 | 9,875 | 37,218 | 47,093 | 48.0% |
| 2025-12-08 | 16,368 | 142,206 | 158,574 | 56.6% |
| 2025-12-01 | 16,589 | 27,244 | 43,833 | 40.1% |
| 2025-11-24 | 3,548 | 21,581 | 25,129 | 44.6% |
| 2025-11-17 | 12,660 | 73,516 | 86,176 | 57.9% |
| 2025-11-10 | 14,763 | 40,862 | 55,625 | 46.2% |
| 2025-11-03 | 8,115 | 51,774 | 59,889 | 44.6% |
| 2025-10-27 | 11,118 | 29,170 | 40,288 | 50.4% |
| 2025-10-20 | 13,324 | 38,415 | 51,739 | 31.3% |
| 2025-10-13 | 8,957 | 48,933 | 57,890 | 43.0% |
| 2025-10-06 | 5,670 | 40,758 | 46,428 | 58.3% |
| 2025-09-29 | 8,953 | 79,056 | 88,009 | 53.6% |
| 2025-09-22 | 14,354 | 55,218 | 69,572 | 64.6% |
| 2025-09-15 | 19,634 | 72,439 | 92,073 | 46.0% |
| 2025-09-08 | 21,829 | 92,457 | 114,286 | 56.3% |
| 2025-09-01 | 22,317 | 44,036 | 66,353 | 42.6% |
| 2025-08-25 | 31,983 | 123,786 | 155,769 | 54.5% |
| 2025-08-18 | 42,489 | 185,248 | 227,737 | 63.9% |
| 2025-08-11 | 17,641 | 101,807 | 119,448 | 68.7% |
| 2025-08-04 | 31,438 | 146,051 | 177,489 | 62.7% |
| 2025-07-28 | 23,484 | 134,810 | 158,294 | 63.0% |
| 2025-07-21 | 31,005 | 166,832 | 197,837 | 66.3% |
| 2025-07-14 | 30,667 | 186,143 | 216,810 | 61.7% |
| 2025-07-07 | 37,853 | 420,387 | 458,240 | 72.5% |
| 2025-06-30 | 88,144 | 586,637 | 674,781 | 65.0% |
| 2025-06-23 | 197,245 | 1,426,295 | 1,623,540 | 63.0% |
Showing 1–46 of 46 weeks