Insider Trading & Ownership of Stonepine Capital Management, LLC

Location
Bend, OR
Summary
The estimated value of insider holdings of Stonepine Capital Management, LLC is at least $47,201,973 dollars as of 31 Mar 2026. Stonepine Capital Management, LLC is the 10%+ Owner of Quoin Pharmaceuticals, Ltd. and owns shares of Quoin Pharmaceuticals, Ltd. (QNRX) stock worth about $47.2M.
Signature
/s/ Jon M. Plexico, Managing Member of Stonepine Capital Management, LLC
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Quick Takeaways

  • Stonepine Capital Management, LLC has 2 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $47,201,973.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Quoin Pharmaceuticals, Ltd. ($47,201,973).
  • Past-year value change for that position: .

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Source Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Stonepine Capital Management, LLC

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
QNRX Quoin Pharmaceuticals, Ltd. 10%+ Owner $47,201,973 26 Mar 2026
CHMA CHIASMA, INC 10%+ Owner 06 May 2021

Insider Transactions Reported by Stonepine Capital Management, LLC:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
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