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SPTX · Seaport Therapeutics, Inc. · Off Exchange

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$18.42 -0.53 (-2.80%) At close · Oct 2
Market Cap
$1.15B
Shares
53.53M
Volume · Oct 2 258.7K Avg daily vol (3M) 179.97K

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
2026-08-24 223,296 61,297 284,593 47.0%
2026-08-17 169,157 49,503 218,660 34.7%
2026-08-10 293,092 27,724 320,816 47.9%
2026-08-03 165,335 33,286 198,621 35.0%
2026-07-27 159,849 30,653 190,502 39.0%
2026-07-20 123,509 59,817 183,326 41.4%
2026-07-13 139,577 181,088 320,665 56.5%
2026-07-06 242,742 42,251 284,993 37.5%
2026-06-29 168,886 227,559 396,445 41.2%
2026-06-22 511,383 67,641 579,024 41.9%
2026-06-15 337,903 425,947 763,850 40.4%
2026-06-08 168,228 43,410 211,638 32.9%
2026-06-01 139,953 50,500 190,453 32.0%
2026-05-25 231,197 99,912 331,109 45.4%
2026-05-18 218,048 193,002 411,050 32.3%
2026-05-11 322,005 385,380 707,385 35.8%
2026-05-04 849,498 509,299 1,358,797 44.8%
2026-04-27 1,551,111 249,223 1,800,334 38.3%
Showing 1–18 of 18 weeks
Key facts CIK 2042347 CUSIP 81221K108 13F (30d) 2 filings 2 filers Visit website Investor relations