Kiniksa Pharmaceuticals International, plc SEC filings KNSA

Kiniksa Pharmaceuticals International, plc has 776 filings in SEC EDGAR's recent list, going back to Feb 27, 2018. Its latest annual report, Form ARS, was filed on Apr 16, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 27, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 27, 2026 (results of operations). The company's fiscal year ends on December 31.

Kiniksa Pharmaceuticals International, plc SEC filings
Form Description Filed Period
S-8 Employee stock plan registration Feb 24, 2026 —
S-8 Employee stock plan registration Feb 25, 2025 —
S-3 Shelf registration Jun 28, 2024 —
S-8 POS Filing Jun 28, 2024 —
S-8 POS Filing Jun 28, 2024 —
S-8 POS Filing Jun 28, 2024 —
S-8 POS Filing Jun 28, 2024 —
S-8 POS Filing Jun 28, 2024 —
S-8 POS Filing Jun 28, 2024 —
POS AM Filing Jun 28, 2024 —
POS AM Filing Jun 28, 2024 —
S-8 Employee stock plan registration Feb 28, 2024 —
S-8 Employee stock plan registration Mar 2, 2023 —
S-3 Shelf registration May 6, 2022 —
S-3 Shelf registration May 6, 2022 —
S-8 Employee stock plan registration Feb 24, 2022 —
S-8 Employee stock plan registration Feb 25, 2021 —
S-3 Shelf registration Sep 8, 2020 —
424B5 Prospectus supplement Jul 23, 2020 —
424B5 Prospectus supplement Jul 20, 2020 —
S-3 Shelf registration May 21, 2020 —
424B5 Prospectus supplement May 15, 2020 —
424B5 Prospectus supplement May 14, 2020 —
S-8 Employee stock plan registration Apr 7, 2020 —
S-3 Shelf registration Jun 3, 2019 —
424B4 Prospectus Feb 1, 2019 —
FWP Free writing prospectus Jan 31, 2019 —
FWP Free writing prospectus Jan 28, 2019 —
S-1 Registration statement Jan 28, 2019 —
S-8 Employee stock plan registration May 24, 2018 —
424B4 Prospectus May 24, 2018 —
S-1MEF Filing May 23, 2018 —
S-1/A Amended registration statement May 18, 2018 —
S-1/A Amended registration statement May 14, 2018 —
S-1 Registration statement Apr 27, 2018 —

Showing 35 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
KNSA (Nasdaq)
Fiscal year ends
December 31
Headquarters
London
SEC filer status
Large accelerated filer
SEC CIK
1730430
Former names
Kiniksa Pharmaceuticals, Ltd. (until Jun 28, 2024)

Other Pharmaceutical Preparations companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.