PRMB Dark Pool Activity
ATS off-exchange volume intelligence · Week of 2026-07-20
PRMB dark pool volume for the week of 2026-07-20: 2.8M shares traded across 27 ATS venues with a total notional value of $67.0M. Volume is down 20.3% week-over-week. Primary routing venues include , MS TRAJECTORY CROSS (ATS-1), INTELLIGENT CROSS LLC.
Dark pool activity in PRMB reflects institutional order flow executing on Alternative Trading Systems (ATS) registered with the SEC — private venues where large-block trades are matched away from public exchanges to minimize price impact. StonkWhisper ingests FINRA-published ATS volume data to track these off-exchange flows. Sustained elevation in dark pool percentage — particularly when concentrated at specific venues — can indicate institutional accumulation or distribution ahead of significant price moves. The interactive charts below show 12-week historical volume and complete venue breakdown for PRMB.
Weekly History
| Week | Shares | DP % | WoW |
|---|---|---|---|
| 2026-07-20 | 2.8M | — | -20.3% |
| 2026-07-13 | 3.6M | — | -27.2% |
| 2026-07-06 | 4.9M | — | +22.9% |
| 2026-06-29 | 4.0M | — | -0.7% |
| 2026-06-22 | 4.0M | — | +38.4% |
| 2026-06-15 | 2.9M | — | -51.5% |
| 2026-06-08 | 6.0M | — | +11.7% |
| 2026-06-01 | 5.3M | — | +4.0% |
| 2026-05-25 | 5.1M | 33.7% | -7.0% |
| 2026-05-18 | 5.5M | — | +4.0% |
| 2026-05-11 | 5.3M | — | -52.7% |
| 2026-05-04 | 11.2M | 73.7% | +93.6% |