Rubric Capital Management LP - 30 Jun 2025 SCHEDULE 13G/A Report for Kiniksa Pharmaceuticals International, plc Class A Ordinary Shares, nominal value $0.000273235 per share (KNSA)

Filing Manager
Rubric Capital Management LP
Reporting Manager
RUBRIC CAPITAL MANAGEMENT LP
Security
Kiniksa Pharmaceuticals International, plc Class A Ordinary Shares, nominal value $0.000273235 per share
Symbol
KNSA
Shares outstanding
42,313,918 shares
Disclosed Ownership
3,909,806 shares
Ownership
9.2%
Form type
SCHEDULE 13G/A
Filing time
09 Jul 2025, 16:06:03 UTC
Date of event
30 Jun 2025
Previous filing
14 May 2025
Next filing
13 Feb 2026
SEC
View on sec.gov

Quoteable Key Fact

"Rubric Capital Management LP disclosed 9.2% ownership in Kiniksa Pharmaceuticals International, plc Class A Ordinary Shares, nominal value $0.000273235 per share (KNSA) on 30 Jun 2025."

Quick Takeaways

  • Rubric Capital Management LP filed SCHEDULE 13G/A for Kiniksa Pharmaceuticals International, plc Class A Ordinary Shares, nominal value $0.000273235 per share (KNSA).
  • Disclosed ownership: 9.2%.
  • Date of event: 30 Jun 2025.

What Changed

  • Previous schedule filing date: 14 May 2025.
  • Current filing was accepted on 09 Jul 2025, 16:06.

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

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

See Original Filing

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
RUBRIC CAPITAL MANAGEMENT LP 9.2% 3,909,806 0 3,909,806 /s/ Michael Nachmani Michael Nachmani / Chief Operating Officer
DAVID ROSEN 9.2% 3,909,806 0 3,909,806 /s/ David Rosen David Rosen / Individually