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PHAT

Phathom Pharmaceuticals, Inc.

Company with tickers: PHAT

CIK
1783183
CUSIP
71722W107
Shares Outstanding
79,755,953
13F Activity (30d)
68 filings 68 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 1,328,960 612,667 1,941,627 50.0%
2026-04-27 3,223,383 2,043,634 5,267,017 47.7%
2026-04-20 1,741,210 1,298,971 3,040,181 52.8%
2026-04-13 956,349 502,235 1,458,584 45.1%
2026-04-06 1,474,864 611,097 2,085,961 38.3%
2026-03-30 1,155,383 463,506 1,618,889 45.5%
2026-03-23 1,236,205 771,390 2,007,595 39.4%
2026-03-16 1,636,368 1,142,628 2,778,996 42.9%
2026-03-09 1,757,206 575,657 2,332,863 44.0%
2026-03-02 1,259,900 1,118,549 2,378,449 42.7%
2026-02-23 1,923,730 949,985 2,873,715 43.6%
2026-02-16 1,295,294 668,672 1,963,966 42.6%
2026-02-09 1,014,834 401,029 1,415,863 42.8%
2026-02-02 1,113,427 609,774 1,723,201 36.7%
2026-01-26 733,367 592,356 1,325,723 35.1%
2026-01-19 1,753,955 788,881 2,542,836 48.0%
2026-01-12 1,714,389 1,074,264 2,788,653 40.1%
2026-01-05 2,637,671 1,788,706 4,426,377 42.4%
2025-12-29 500,683 458,589 959,272 39.1%
2025-12-22 712,997 456,455 1,169,452 41.3%
2025-12-15 1,090,108 3,006,663 4,096,771 53.6%
2025-12-08 858,214 602,253 1,460,467 37.9%
2025-12-01 1,351,408 579,637 1,931,045 46.0%
2025-11-24 550,081 567,815 1,117,896 35.9%
2025-11-17 1,021,337 630,869 1,652,206 40.5%
2025-11-10 1,028,762 928,023 1,956,785 44.6%
2025-11-03 954,014 1,343,742 2,297,756 47.3%
2025-10-27 1,415,147 1,565,298 2,980,445 46.3%
2025-10-20 956,826 910,787 1,867,613 48.1%
2025-10-13 1,418,621 1,525,632 2,944,253 46.0%
2025-10-06 1,410,513 2,030,706 3,441,219 40.5%
2025-09-29 999,029 1,939,112 2,938,141 44.3%
2025-09-22 775,107 1,777,496 2,552,603 44.6%
2025-09-15 777,419 1,795,319 2,572,738 44.8%
2025-09-08 914,037 1,873,359 2,787,396 53.2%
2025-09-01 1,322,989 1,568,357 2,891,346 49.0%
2025-08-25 1,294,835 680,957 1,975,792 41.4%
2025-08-18 1,599,937 820,099 2,420,036 43.3%
2025-08-11 1,313,767 951,179 2,264,946 40.9%
2025-08-04 1,660,206 1,551,565 3,211,771 48.5%
2025-07-28 709,455 1,225,413 1,934,868 49.1%
2025-07-21 1,102,691 1,845,069 2,947,760 54.4%
2025-07-14 862,293 1,504,937 2,367,230 47.6%
2025-07-07 1,000,703 924,297 1,925,000 43.7%
2025-06-30 648,934 1,384,068 2,033,002 39.2%
2025-06-23 1,563,378 2,511,616 4,074,994 48.7%
2025-06-16 1,118,842 3,242,919 4,361,761 55.7%
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