SNDX
Syndax Pharmaceuticals IncCompany with tickers: SNDX
CIK
1395937
CUSIP
87164F105
Shares Outstanding
88,610,027
13F Activity (30d)
164 filings
161 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 |
|---|---|---|---|---|
| 2025-06-16 | 1,520,826 | 1,770,029 | 3,290,855 | 39.4% |
| 2025-06-23 | 3,145,198 | 2,126,042 | 5,271,240 | 43.5% |
| 2025-06-30 | 1,311,675 | 1,247,237 | 2,558,912 | 38.8% |
| 2025-07-07 | 2,654,646 | 2,110,708 | 4,765,354 | 46.8% |
| 2025-07-14 | 1,806,584 | 1,127,232 | 2,933,816 | 36.5% |
| 2025-07-21 | 2,292,299 | 1,255,963 | 3,548,262 | 44.4% |
| 2025-07-28 | 2,928,654 | 2,189,271 | 5,117,925 | 49.0% |
| 2025-08-04 | 5,686,360 | 5,987,475 | 11,673,835 | 50.3% |
| 2025-08-11 | 4,397,899 | 3,073,671 | 7,471,570 | 47.4% |
| 2025-08-18 | 1,830,197 | 1,831,287 | 3,661,484 | 42.1% |
| 2025-08-25 | 2,619,470 | 3,421,198 | 6,040,668 | 46.8% |
| 2025-09-01 | 1,688,463 | 1,824,054 | 3,512,517 | 44.0% |
| 2025-09-08 | 1,823,964 | 1,277,687 | 3,101,651 | 38.7% |
| 2025-09-15 | 2,788,409 | 2,268,028 | 5,056,437 | 45.0% |
| 2025-09-22 | 1,855,724 | 2,097,416 | 3,953,140 | 39.7% |
| 2025-09-29 | 1,772,033 | 2,023,290 | 3,795,323 | 43.1% |
| 2025-10-06 | 2,439,975 | 3,748,711 | 6,188,686 | 53.5% |
| 2025-10-13 | 3,655,756 | 2,715,441 | 6,371,197 | 45.0% |
| 2025-10-20 | 7,791,637 | 6,360,667 | 14,152,304 | 52.9% |
| 2025-10-27 | 4,417,521 | 4,169,166 | 8,586,687 | 49.8% |
| 2025-11-03 | 5,393,980 | 3,506,402 | 8,900,382 | 46.4% |
| 2025-11-10 | 3,675,631 | 2,847,731 | 6,523,362 | 43.0% |
| 2025-11-17 | 2,815,013 | 2,780,522 | 5,595,535 | 48.1% |
| 2025-11-24 | 2,801,167 | 1,438,519 | 4,239,686 | 42.2% |
| 2025-12-01 | 2,596,013 | 1,498,302 | 4,094,315 | 44.9% |
| 2025-12-08 | 2,577,049 | 1,895,856 | 4,472,905 | 45.5% |
| 2025-12-15 | 2,059,860 | 1,061,802 | 3,121,662 | 38.5% |
| 2025-12-22 | 981,047 | 713,736 | 1,694,783 | 40.1% |
| 2025-12-29 | 846,872 | 664,189 | 1,511,061 | 37.8% |
| 2026-01-05 | 1,886,461 | 1,040,083 | 2,926,544 | 37.9% |
| 2026-01-12 | 1,418,094 | 969,349 | 2,387,443 | 39.6% |
| 2026-01-19 | 1,020,290 | 825,944 | 1,846,234 | 39.8% |
| 2026-01-26 | 1,761,016 | 1,840,493 | 3,601,509 | 50.7% |
| 2026-02-02 | 1,537,460 | 1,072,699 | 2,610,159 | 41.5% |
| 2026-02-09 | 1,399,240 | 1,596,856 | 2,996,096 | 48.0% |
| 2026-02-16 | 1,100,834 | 751,993 | 1,852,827 | 43.4% |
| 2026-02-23 | 1,829,436 | 760,420 | 2,589,856 | 40.6% |
| 2026-03-02 | 1,566,538 | 1,042,481 | 2,609,019 | 40.4% |
| 2026-03-09 | 2,243,309 | 1,721,867 | 3,965,176 | 44.6% |
| 2026-03-16 | 2,188,319 | 1,426,948 | 3,615,267 | 45.5% |
| 2026-03-23 | 1,630,869 | 1,198,041 | 2,828,910 | 45.4% |
| 2026-03-30 | 2,301,598 | 1,719,880 | 4,021,478 | 61.0% |
| 2026-04-06 | 1,454,563 | 904,757 | 2,359,320 | 38.4% |
| 2026-04-13 | 1,199,793 | 1,069,860 | 2,269,653 | 46.2% |
| 2026-04-20 | 2,406,572 | 1,201,424 | 3,607,996 | 50.2% |
| 2026-04-27 | 3,047,974 | 2,197,832 | 5,245,806 | 48.2% |
| 2026-05-04 | 2,954,665 | 1,121,840 | 4,076,505 | 52.9% |
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