Quick Takeaways
- Stonepine Capital Management, LLC filed SCHEDULE 13G/A for Kezar Life Sciences, Inc. Common Stock (KZR).
- Disclosed ownership: 2.1%.
- Date of event: 31 Dec 2025.
Stonepine Capital Management, LLC - 31 Dec 2025 SCHEDULE 13G/A Report for Kezar Life Sciences, Inc. Common Stock (KZR)
- Filing Manager
- Stonepine Capital Management, LLC
- Reporting Manager
- Stonepine Capital Management, LLC
- Symbol
- KZR
- Shares outstanding
- 7,437,095 shares
- Disclosed Ownership
- 156,179 shares
- Ownership
- 2.1%
- Form type
- SCHEDULE 13G/A
- Filing time
- 13 Feb 2026, 17:00:13 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 08 Sep 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Stonepine Capital Management, LLC disclosed 2.1% ownership in Kezar Life Sciences, Inc. Common Stock (KZR) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 08 Sep 2025.
- Current filing was accepted on 13 Feb 2026, 17:00.
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.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (4)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Stonepine Capital Management, LLC | 2.1% | 156,179 | 0 | 156,179 | /s/ Jon M. Plexico | Managing Member | |
| Stonepine Capital, L.P. | 2.1% | 156,179 | 0 | 156,179 | /s/ Jon M. Plexico | Managing Member of the General Partner, Stonepine GP, LLC | |
| Stonepine GP, LLC | 2.1% | 156,179 | 0 | 156,179 | /s/ Jon M. Plexico | Managing Member | |
| Jon M. Plexico | 2.1% | 156,179 | 0 | 156,179 | /s/ Jon M. Plexico | Reporting person |