LeonaBio, Inc. SEC filings LONA

LeonaBio, Inc. has 469 filings in SEC EDGAR's recent list, going back to Oct 3, 2014. Its latest annual report, Form ARS, was filed on May 11, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 22, 2026 (other events). The company's fiscal year ends on December 31.

Form Description Filed Period
ARS Annual report to shareholders May 11, 2026 Dec 31, 2025
10-K Annual report Mar 31, 2026 Dec 31, 2025
ARS Annual report to shareholders Apr 14, 2025 Dec 31, 2024
10-K Annual report Feb 27, 2025 Dec 31, 2024
ARS Annual report to shareholders Apr 9, 2024 Dec 31, 2023
10-K Annual report Feb 22, 2024 Dec 31, 2023
ARS Annual report to shareholders Apr 5, 2023 Dec 31, 2022
10-K Annual report Mar 23, 2023 Dec 31, 2022
10-K Annual report Mar 28, 2022 Dec 31, 2021
10-K Annual report Mar 25, 2021 Dec 31, 2020

Showing 10 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.

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Company profile

Industry
Biological Products, (No Diagnostic Substances) (SIC 2836)
Listed as
LONA (Nasdaq)
Fiscal year ends
December 31
Headquarters
Bothell, WA
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
1620463
Former names
Athira Pharma, Inc. (until Jan 8, 2026); M3 Biotechnology, Inc. (until Jan 23, 2019)

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