Event-Driven Stocks

Burning Rock Biotech Ltd

BNRNasdaq

Healthcare · Services-Medical Laboratories · SEC filings ↗ · Compare ⊕

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Financials

SEC XBRL · annual

No structured XBRL financials available (common for pre-2009 filers, foreign issuers, or companies that never reported as a US public company).

5%+ owners

SEC Schedule 13D / 13G · last 3 yrs

Holders who disclosed a 5%+ stake. 13D signals intent to influence or control; 13G is a passive holding. Latest filing per holder — open it for the exact stake.

Insider transactions

SEC Form 4 · most recent
1 acquisitions0 disposals1 open-market buy(s)net +314,870 shares · last 1
InsiderDateTypeSharesPrice
Han YushengDirectorMar 31, 2026Buy314,870$17.36

Headline trade per Form 4 (officers, directors, 10%+ owners). Buy/sell read from the filing's structured data — blank where a field isn't cleanly tagged.

Short interest

FINRA · bi-monthly
SettlementShares shortDays to coverΔ vs prior
May 15, 202646,2703.7-2.8%
Apr 30, 202647,5831.4-1.1%
Apr 15, 202648,1201.9-24.8%
Mar 31, 202663,9461.6-2.2%
Mar 13, 202665,3852.8-10.2%

Shares sold short as reported to FINRA. Days-to-cover = short shares ÷ average daily volume — higher means more potential squeeze pressure.

Recent SEC filings

All filings ↗

Event-driven situations (1)

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