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Premier Graphene BIEI · USD

Health Care · US listing · 🇺🇸 United States

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0.00

+14.29%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
Felder (Mitchell S)18.6m35.47%+3.3m1 May 2020
Borza (John Stanley)5m9.54%−301 May 2020
Hartman (William A)78.2k0.15%−1.8k1 May 2020
Rosen (Jay Preston)4.1k0.01%+601 May 2020
Carl (Heidi H.)4k0.01%—1 May 2020
Reyes (Patricio F)1.9k0.00%+1.4k1 May 2020

Short interest

Shares sold short, 30 Sept 2026. US exchange data.

101.8k

+100.0% on the period before. 1.0 days to cover.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 25 Sept 2026153,499 shares
  • 21 Sept 20261,804,968 shares
  • 18 Sept 2026508,277 shares
  • 16 Sept 20263,379 shares
  • 14 Sept 20261,736,783 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.