BMRN — structural market context
Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.
What changed
As of the close on Oct 16. Each line shows the earlier value, the later value and their dates.
Close $54.68 (Oct 16) vs $56.05 (Oct 15): −2.44%.
1.11× its 20-session average (2.4M) on Oct 16.
Includes pre- and post-market trading.
Short interest 11.5M shares (settlement Sep 30) vs 10.1M (Sep 15).
No new publication in this window. Latest: settlement Sep 30, published Oct 10.
Latest file (settlements Sep 15–Sep 30, published Oct 16): 4 days with fails, largest 23K shares on Sep 18.
Previous file (settlements Sep 1–Sep 14, published Sep 30): 1 day with fails, largest 48K shares on Sep 2.
None recorded in this window.
None recorded in this window.
BMRN short interest & days to cover
FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-09-30 (18d ago)
BMRN fails-to-deliver (FTD)
SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.
BMRN insider buying and selling (Form 4)
Last 12 months, Form 4 codes P and S: 0 purchases · 1 sale
SEC Form 4 filings: purchases and sales reported on Form 4 (transaction codes P and S) only; grants and option exercises excluded. Attributed public records.
BMRN analyst ratings
Rating actions as published by the firms, from public feeds. They are not graded here.
Frequently asked questions
More tickers starting with B
BMRN: the full history
Latest rows shown. Full history, market-wide screens, cluster detection and the context journal live in the dashboard.
Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.