Reporting Manager
Stonepine Capital Management, LLC
Symbol
OPTN
Shares outstanding
10,110,859 shares
Disclosed Ownership
788,647 shares
Ownership
7.8%
Form type
SCHEDULE 13G/A
Filing time
14 May 2025, 16:12:26 UTC
Date of event
31 Mar 2025
Previous filing
13 Feb 2025

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Quoteable Key Fact

"Stonepine Capital Management, LLC disclosed 7.8% ownership in OptiNose, Inc. Common Stock (OPTN) on 31 Mar 2025."

Quick Takeaways

  • Stonepine Capital Management, LLC filed SCHEDULE 13G/A for OptiNose, Inc. Common Stock (OPTN).
  • Disclosed ownership: 7.8%.
  • Date of event: 31 Mar 2025.

What Changed

  • Previous schedule filing date: 13 Feb 2025.
  • Current filing was accepted on 14 May 2025, 16:12.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Stonepine Capital Management, LLC 7.8% 788,647 0 788,647 /s/ Jon M. Plexico Managing Member
Stonepine Capital, L.P. 7.8% 788,647 0 788,647 /s/ Jon M. Plexico Managing Member of the General Partner, Stonepine GP, LLC
Stonepine GP, LLC 7.8% 788,647 0 788,647 /s/ Jon M. Plexico Managing Member
Jon M. Plexico 7.8% 788,647 0 788,647 /s/ Jon M. Plexico Reporting person