LeonaBio, Inc. SEC EDGAR Filings (CIK 0001620463)

SEC EDGAR filings, ownership reports, and insider transactions for LeonaBio, Inc..

Symbol
LONA, ATHA on Nasdaq
Industry
Biological Products, (No Disgnostic Substances) (Office Of Life Sciences)
Business address
18706 North Creek Parkway, Suite 104, Bothell, WA, 98011
Fiscal year end
31 December
Former names
Athira Pharma, Inc. (to 08 Jan 2026), M3 Biotechnology, Inc. (to 23 Jan 2019)
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LeonaBio, Inc. has filed 392 SEC EDGAR filings since 03 Oct 2014

Latest Filings

Recent SEC filings for LeonaBio, Inc. including S-3, SCHEDULE 13D/A, 8-K and more.

Form type Document Filing Description Filing date Reporting date File number(s)
S-3 Open S-3 document | Open XBRL data View SEC filing for S-3 S-3 20 Jan 2026 333-292829
S-3 Open S-3 document | Open XBRL data View SEC filing for S-3 S-3 20 Jan 2026 333-292826
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 16 Jan 2026 005-91705
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Jan 2026 07 Jan 2026 001-39503
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 08 Jan 2026 005-91705
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025
4 Open 4 document View SEC filing for 4 29 Dec 2025 24 Dec 2025
4 Open 4 document View SEC filing for 4 29 Dec 2025 24 Dec 2025
4 Open 4 document View SEC filing for 4 29 Dec 2025 24 Dec 2025
4 Open 4 document View SEC filing for 4 29 Dec 2025 24 Dec 2025
4 Open 4 document View SEC filing for 4 29 Dec 2025 24 Dec 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 23 Dec 2025 005-91705
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 23 Dec 2025 23 Dec 2025
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 23 Dec 2025 005-91705
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 22 Dec 2025 005-91705
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 18 Dec 2025 005-91705
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 18 Dec 2025 18 Dec 2025 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Dec 2025 18 Dec 2025 001-39503
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 14 Nov 2025 005-91705
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Nov 2025 30 Sep 2025 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Nov 2025 06 Nov 2025 001-39503
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 10 Oct 2025 005-91705
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Oct 2025 02 Oct 2025 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Sep 2025 10 Sep 2025 001-39503
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Aug 2025 30 Jun 2025 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Aug 2025 07 Aug 2025 001-39503
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025
144 Open 144 document View SEC filing for 144 01 Jul 2025 001-39503
144 Open 144 document View SEC filing for 144 01 Jul 2025 001-39503
144 Open 144 document View SEC filing for 144 01 Jul 2025 001-39503
144 Open 144 document View SEC filing for 144 01 Jul 2025 001-39503
4 Open 4 document View SEC filing for 4 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 03 Jun 2025 30 May 2025
4 Open 4 document View SEC filing for 4 03 Jun 2025 30 May 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Jun 2025 29 May 2025 001-39503
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 May 2025 31 Mar 2025 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 May 2025 09 May 2025 001-39503
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 16 Apr 2025 005-91705
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Apr 2025 15 Apr 2025 001-39503
ARS Open ARS document View SEC filing for ARS ARS 14 Apr 2025 31 Dec 2024 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 14 Apr 2025 001-39503
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 14 Apr 2025 29 May 2025 001-39503
PRE 14A Open PRE 14A document | Open XBRL data View SEC filing for PRE 14A PRE 14A 04 Apr 2025 29 May 2025 001-39503
4/A Open 4/A document View SEC filing for 4/A 12 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 04 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 04 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 04 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 04 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 04 Mar 2025 03 Mar 2025
S-8 Open S-8 document View SEC filing for S-8 S-8 27 Feb 2025 333-285345
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 27 Feb 2025 31 Dec 2024 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Feb 2025 27 Feb 2025 001-39503
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025 005-91705
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025 005-91705
4 Open 4 document View SEC filing for 4 03 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 03 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 03 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 03 Jan 2025 31 Dec 2024
4 Open 4 document View SEC filing for 4 03 Jan 2025 31 Dec 2024
144 Open 144 document View SEC filing for 144 02 Jan 2025 001-39503
144 Open 144 document View SEC filing for 144 02 Jan 2025 001-39503
144 Open 144 document View SEC filing for 144 02 Jan 2025 001-39503
144 Open 144 document View SEC filing for 144 02 Jan 2025 001-39503
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Nov 2024 005-91705
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Nov 2024 30 Sep 2024 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Nov 2024 07 Nov 2024 001-39503
SC 13G Open SC 13G document View SEC filing for SC 13G 07 Nov 2024 005-91705
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 31 Oct 2024 005-91705
EFFECT Open EFFECT document View SEC filing for EFFECT 28 Oct 2024 333-282738
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Oct 2024 333-282738
CORRESP Open CORRESP document View SEC filing for CORRESP 24 Oct 2024
S-3 Open S-3 document View SEC filing for S-3 S-3 21 Oct 2024 333-282738
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Oct 2024 16 Oct 2024 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Oct 2024 01 Oct 2024 001-39503
4/A Open 4/A document View SEC filing for 4/A 03 Oct 2024 03 Oct 2024
4 Open 4 document View SEC filing for 4 03 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 03 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 03 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 03 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 03 Oct 2024 03 Oct 2024
3 Open 3 document View SEC filing for 3 03 Oct 2024 01 Oct 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Sep 2024 15 Sep 2024 001-39503
144 Open 144 document View SEC filing for 144 05 Sep 2024 001-39503
4 Open 4 document View SEC filing for 4 05 Sep 2024 03 Sep 2024
4 Open 4 document View SEC filing for 4 05 Sep 2024 03 Sep 2024
4 Open 4 document View SEC filing for 4 05 Sep 2024 03 Sep 2024
4 Open 4 document View SEC filing for 4 05 Sep 2024 03 Sep 2024
4 Open 4 document View SEC filing for 4 05 Sep 2024 03 Sep 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Sep 2024 03 Sep 2024 001-39503
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A 10-Q/A 09 Aug 2024 30 Jun 2024 001-39503
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 Aug 2024 30 Jun 2024 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Aug 2024 01 Aug 2024 001-39503
4 Open 4 document View SEC filing for 4 25 Jun 2024 21 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 May 2024 23 May 2024 001-39503
4 Open 4 document View SEC filing for 4 24 May 2024 24 May 2024
4 Open 4 document View SEC filing for 4 24 May 2024 24 May 2024
4 Open 4 document View SEC filing for 4 24 May 2024 24 May 2024
4 Open 4 document View SEC filing for 4 24 May 2024 24 May 2024
4 Open 4 document View SEC filing for 4 24 May 2024 24 May 2024
4 Open 4 document View SEC filing for 4 24 May 2024 24 May 2024
4 Open 4 document View SEC filing for 4 24 May 2024 24 May 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 May 2024 03 May 2024 001-39503
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2024 31 Mar 2024 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2024 15 May 2024 001-39503
4 Open 4 document View SEC filing for 4 16 Apr 2024 15 Apr 2024
3 Open 3 document View SEC filing for 3 16 Apr 2024 15 Apr 2024
ARS Open ARS document View SEC filing for ARS ARS 09 Apr 2024 31 Dec 2023 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 09 Apr 2024 001-39503
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 09 Apr 2024 23 May 2024 001-39503
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 28 Mar 2024 23 May 2024 001-39503
S-8 Open S-8 document View SEC filing for S-8 S-8 22 Feb 2024 333-277276
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 22 Feb 2024 31 Dec 2023 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Feb 2024 21 Feb 2024 001-39503
4 Open 4 document View SEC filing for 4 16 Feb 2024 15 Feb 2024
4 Open 4 document View SEC filing for 4 16 Feb 2024 14 Feb 2024
4 Open 4 document View SEC filing for 4 16 Feb 2024 14 Feb 2024
4 Open 4 document View SEC filing for 4 16 Feb 2024 14 Feb 2024
4 Open 4 document View SEC filing for 4 16 Feb 2024 14 Feb 2024
4/A Open 4/A document View SEC filing for 4/A 16 Feb 2024 04 Jan 2024
4/A Open 4/A document View SEC filing for 4/A 16 Feb 2024 04 Jan 2024
4/A Open 4/A document View SEC filing for 4/A 16 Feb 2024 04 Jan 2024
4/A Open 4/A document View SEC filing for 4/A 16 Feb 2024 04 Jan 2024
4/A Open 4/A document View SEC filing for 4/A 16 Feb 2024 04 Jan 2024
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2024 005-91705
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2024 04 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2024 04 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2024 04 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2024 04 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2024 04 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jan 2024 04 Jan 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Jan 2024 04 Jan 2024 001-39503
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 29 Dec 2023 27 Dec 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 29 Dec 2023 005-91705
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Nov 2023 30 Sep 2023 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Nov 2023 09 Nov 2023 001-39503
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Aug 2023 30 Jun 2023 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Aug 2023 10 Aug 2023 001-39503
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 07 Jul 2023 005-91705
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Jun 2023 07 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jun 2023 02 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jun 2023 02 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 May 2023 18 May 2023
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 22 May 2023 18 May 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 May 2023 18 May 2023 001-39503
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 May 2023 31 Mar 2023 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 May 2023 11 May 2023 001-39503
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 20 Apr 2023 005-91705
ARS Open ARS document View SEC filing for ARS ARS 05 Apr 2023 31 Dec 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A FORM DEFA14A 05 Apr 2023 001-39503
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 05 Apr 2023 18 May 2023 001-39503
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Mar 2023 29 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Mar 2023 29 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Mar 2023 24 Mar 2023
S-8 Open S-8 document View SEC filing for S-8 S-8 23 Mar 2023 333-270792
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 23 Mar 2023 31 Dec 2022 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Mar 2023 23 Mar 2023 001-39503
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ATHIRA PHARMA, INC. 14 Feb 2023 005-91705
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 01 Feb 2023 005-91705
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Jan 2023 27 Jan 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 30 Jan 2023 005-91705
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Jan 2023 19 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Jan 2023 19 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Jan 2023 19 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Jan 2023 19 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Jan 2023 19 Jan 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Jan 2023 06 Jan 2023 001-39503
424B5 Open 424B5 document View SEC filing for 424B5 424B5 06 Jan 2023 333-261073
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Dec 2022 28 Dec 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Dec 2022 02 Dec 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Nov 2022 15 Nov 2022 001-39503
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Nov 2022 15 Nov 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Nov 2022 30 Sep 2022 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Nov 2022 10 Nov 2022 001-39503
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Oct 2022 28 Oct 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Oct 2022 13 Oct 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Oct 2022 17 Oct 2022 001-39503
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 Aug 2022 30 Jun 2022 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Aug 2022 15 Aug 2022 001-39503
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 01 Jul 2022 005-91705
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 01 Jul 2022 29 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Jun 2022 28 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jun 2022 22 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jun 2022 22 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jun 2022 22 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jun 2022 22 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jun 2022 22 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jun 2022 22 Jun 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Jun 2022 22 Jun 2022 001-39503
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Jun 2022 08 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 May 2022 20 May 2022
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 27 May 2022 20 May 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 May 2022 19 May 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 17 May 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 17 May 2022 001-39503
DFAN14A Open DFAN14A document View SEC filing for DFAN14A DFAN 14A 16 May 2022 001-39503
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 May 2022 31 Mar 2022 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 May 2022 12 May 2022 001-39503
DFAN14A Open DFAN14A document View SEC filing for DFAN14A DFAN 14A 12 May 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 11 May 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 09 May 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 05 May 2022 001-39503
DFAN14A Open DFAN14A document View SEC filing for DFAN14A SCHEDULE 14A INFORMATION 05 May 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 05 May 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 05 May 2022 001-39503
DFAN14A Open DFAN14A document View SEC filing for DFAN14A DFAN 14A 04 May 2022 001-39503
DFAN14A Open DFAN14A document View SEC filing for DFAN14A SCHEDULE DFAN14A - DEFINITIVE ADDITIONAL MATERIALS 02 May 2022 001-39503
DFAN14A Open DFAN14A document View SEC filing for DFAN14A SCHEDULE 14A INFORMATION 27 Apr 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 26 Apr 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 26 Apr 2022 001-39503
DFAN14A Open DFAN14A document View SEC filing for DFAN14A SCHEDULE 14A INFORMATION 25 Apr 2022 001-39503
DFAN14A Open DFAN14A document View SEC filing for DFAN14A SCHEDULE 14A INFORMATION 22 Apr 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 20 Apr 2022 001-39503
DFAN14A Open DFAN14A document View SEC filing for DFAN14A SCHEDULE 14A INFORMATION 13 Apr 2022 001-39503
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Apr 2022 12 Apr 2022
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 11 Apr 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 11 Apr 2022 001-39503
DFAN14A Open DFAN14A document View SEC filing for DFAN14A DFAN14A 11 Apr 2022 001-39503
DEFC14A Open DEFC14A document View SEC filing for DEFC14A DEFC14A 11 Apr 2022 001-39503
PREC14A Open PREC14A document View SEC filing for PREC14A PREC14A 08 Apr 2022 001-39503
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 06 Apr 2022
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 05 Apr 2022 001-39503
DEFC14A Open DEFC14A document View SEC filing for DEFC14A DEFC14A 05 Apr 2022 001-39503
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2022 31 Mar 2022
PREC14A Open PREC14A document View SEC filing for PREC14A PREC14A 30 Mar 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 30 Mar 2022 001-39503
DFAN14A Open DFAN14A document View SEC filing for DFAN14A DFAN14A 30 Mar 2022 001-39503
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 28 Mar 2022 001-39503
S-8 Open S-8 document View SEC filing for S-8 S-8 28 Mar 2022 333-263907
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 28 Mar 2022 31 Dec 2021 001-39503
CORRESP Open CORRESP document View SEC filing for CORRESP 25 Mar 2022
PREC14A Open PREC14A document View SEC filing for PREC14A PREC14A 25 Mar 2022 001-39503
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Mar 2022 24 Mar 2022 001-39503
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Mar 2022 18 Mar 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 21 Mar 2022 18 Mar 2022
3/A Open 3/A document View SEC filing for 3/A FORM 3/A SUBMISSION 21 Mar 2022 21 Mar 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Mar 2022 18 Mar 2022 001-39503
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Feb 2022 18 Feb 2022
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2022 005-91705
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2022 005-91705
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ATHIRA PHARMA, INC. 14 Feb 2022 005-91705
SC 13G Open SC 13G document View SEC filing for SC 13G 04 Feb 2022 005-91705
SC 13G Open SC 13G document View SEC filing for SC 13G 03 Feb 2022 005-91705
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Jan 2022 27 Jan 2022
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S-8 Open S-8 document View SEC filing for S-8 S-8 26 Mar 2021 333-254735
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Mar 2021 04 Mar 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 08 Mar 2021 04 Mar 2021
8-K Open 8-K document View SEC filing for 8-K 8-K 08 Mar 2021 04 Mar 2021 001-39503
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Feb 2021 18 Feb 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Feb 2021 18 Feb 2021
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4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 27 Jan 2021 25 Jan 2021
424B4 Open 424B4 document View SEC filing for 424B4 424B4 21 Jan 2021 333-252192
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8-K Open 8-K document View SEC filing for 8-K 8-K 11 Jan 2021 08 Jan 2021 001-39503
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 08 Jan 2021 31 Dec 2020
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 06 Jan 2021
DRS Open DRS document View SEC filing for DRS 06 Jan 2021 377-03986
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Dec 2020 11 Dec 2020
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8-K Open 8-K document View SEC filing for 8-K 8-K 14 Dec 2020 11 Dec 2020 001-39503
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 16 Nov 2020 005-91705
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Nov 2020 30 Sep 2020 001-39503
8-K Open 8-K document View SEC filing for 8-K 8-K 12 Nov 2020 12 Nov 2020 001-39503
SC 13G Open SC 13G document View SEC filing for SC 13G ACQUISITION OF BENEFICIAL OWNERSHIP 28 Sep 2020 005-91705
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Sep 2020 22 Sep 2020
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4 Open 4 document View SEC filing for 4 22 Sep 2020 18 Sep 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Sep 2020 17 Sep 2020
S-8 Open S-8 document View SEC filing for S-8 S-8 18 Sep 2020 333-248910
424B4 Open 424B4 document View SEC filing for 424B4 424B4 18 Sep 2020 333-248428
EFFECT Open EFFECT document View SEC filing for EFFECT 17 Sep 2020 333-248428
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 Sep 2020 17 Sep 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 Sep 2020 17 Sep 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 Sep 2020 17 Sep 2020
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UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Sep 2020
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 09 Sep 2020 001-39503
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SEC STAFF LETTER Open SEC STAFF LETTER document View SEC filing for SEC STAFF LETTER 04 Sep 2020
CORRESP Open CORRESP document View SEC filing for CORRESP 02 Sep 2020
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S-1 Open S-1 document View SEC filing for S-1 S-1 26 Aug 2020 333-248428
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 21 Aug 2020
DRS Open DRS document View SEC filing for DRS 24 Jul 2020 377-03333
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 24 Jul 2020
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D/A Open D/A document View SEC filing for D/A 24 Jan 2020 021-328537
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About this filer

LeonaBio, Inc. files with the SEC under CIK 0001620463. This page aggregates EDGAR filings and related ownership activity.

Industry: Biological Products, (No Disgnostic Substances).

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
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New filings appear as the SEC updates EDGAR, and older records can vary by availability.
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