Boundless Bio, Inc.

Symbol
BOLD on Nasdaq
Business address
10955 Alexandria Way, Suite 100, San Diego, CA, 92121
State of incorporation
DE
Fiscal year end
December 31
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Boundless Bio, Inc. has filed 112 SEC EDGAR filings since 12 Mar 2020

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13G Open Document Open Filing 04 Dec 2025 005-94492
10-Q Open Document | Data Open Filing 10-Q 05 Nov 2025 30 Sep 2025 001-41989
8-K Open Document | Data Open Filing 8-K 05 Nov 2025 05 Nov 2025 001-41989
SCHEDULE 13G/A Open Document Open Filing 14 Aug 2025 005-94492
10-Q Open Document | Data Open Filing 10-Q 05 Aug 2025 30 Jun 2025 001-41989
8-K Open Document | Data Open Filing 8-K 05 Aug 2025 05 Aug 2025 001-41989
4 Open Document Open Filing 4 23 Jun 2025 23 Jun 2025
4 Open Document Open Filing 4 23 Jun 2025 23 Jun 2025
4 Open Document Open Filing 4 23 Jun 2025 23 Jun 2025
4 Open Document Open Filing 4 23 Jun 2025 23 Jun 2025
4 Open Document Open Filing 4 23 Jun 2025 23 Jun 2025
4 Open Document Open Filing 4 23 Jun 2025 23 Jun 2025
8-K Open Document | Data Open Filing 8-K 23 Jun 2025 23 Jun 2025 001-41989
8-K Open Document | Data Open Filing 8-K 23 May 2025 23 May 2025 001-41989
10-Q Open Document | Data Open Filing 10-Q 09 May 2025 31 Mar 2025 001-41989
8-K Open Document | Data Open Filing 8-K 09 May 2025 09 May 2025 001-41989
ARS Open Document Open Filing ARS 29 Apr 2025 31 Dec 2024 001-41989
DEFA14A Open Document Open Filing DEFA14A 29 Apr 2025 001-41989
DEF 14A Open Document | Data Open Filing DEF 14A 29 Apr 2025 23 Jun 2025 001-41989
EFFECT Open Document Open Filing 10 Apr 2025 333-286302
CORRESP Open Document Open Filing 08 Apr 2025
UPLOAD Open Document Open Filing 08 Apr 2025 333-286302
8-K Open Document | Data Open Filing 8-K 01 Apr 2025 01 Apr 2025 001-41989
S-3 Open Document Open Filing S-3 01 Apr 2025 333-286302
10-K Open Document | Data Open Filing 10-K 27 Mar 2025 31 Dec 2024 001-41989
8-K Open Document | Data Open Filing 8-K 27 Mar 2025 27 Mar 2025 001-41989
4 Open Document Open Filing 4 03 Feb 2025 03 Feb 2025
3 Open Document Open Filing 3 03 Feb 2025 03 Feb 2025
4 Open Document Open Filing 4 23 Jan 2025 22 Jan 2025
4 Open Document Open Filing 4 23 Jan 2025 22 Jan 2025
4 Open Document Open Filing 4 23 Jan 2025 22 Jan 2025
4 Open Document Open Filing 4 23 Jan 2025 22 Jan 2025
UPLOAD Open Document Open Filing 23 Jan 2025 005-94492
8-K Open Document | Data Open Filing 8-K 12 Dec 2024 06 Dec 2024 001-41989
10-Q Open Document | Data Open Filing 10-Q 07 Nov 2024 30 Sep 2024 001-41989
8-K Open Document | Data Open Filing 8-K 07 Nov 2024 07 Nov 2024 001-41989
SC 13D Open Document Open Filing ARCH VENTURE FUND IX, L.P. - BOUNDLESS BIO -- SCH 13D 29 Oct 2024 005-94492
3 Open Document Open Filing 3 15 Oct 2024 11 Oct 2024
8-K Open Document | Data Open Filing 8-K 15 Oct 2024 11 Oct 2024 001-41989
4 Open Document Open Filing 4 20 Aug 2024 19 Aug 2024
4 Open Document Open Filing 4 20 Aug 2024 19 Aug 2024
4 Open Document Open Filing 4 20 Aug 2024 19 Aug 2024
4 Open Document Open Filing 4 20 Aug 2024 19 Aug 2024
4 Open Document Open Filing 4 20 Aug 2024 19 Aug 2024
4 Open Document Open Filing 4 20 Aug 2024 19 Aug 2024
8-K Open Document | Data Open Filing 8-K 20 Aug 2024 19 Aug 2024 001-41989
8-K Open Document | Data Open Filing 8-K 12 Aug 2024 12 Aug 2024 001-41989
10-Q Open Document | Data Open Filing 10-Q 12 Aug 2024 30 Jun 2024 001-41989
4 Open Document Open Filing 4 20 Jun 2024 20 Jun 2024
10-Q Open Document | Data Open Filing 10-Q 13 May 2024 31 Mar 2024 001-41989
8-K Open Document | Data Open Filing 8-K 13 May 2024 13 May 2024 001-41989
SC 13G Open Document Open Filing SC 13G 12 Apr 2024 005-94492
SC 13G Open Document Open Filing SC 13G 12 Apr 2024 005-94492
SC 13G Open Document Open Filing 10 Apr 2024 005-94492
SC 13G Open Document Open Filing SC 13G 09 Apr 2024 005-94492
4 Open Document Open Filing 4 04 Apr 2024 02 Apr 2024
4 Open Document Open Filing 4 04 Apr 2024 02 Apr 2024
4 Open Document Open Filing 4 04 Apr 2024 02 Apr 2024
4 Open Document Open Filing 4 04 Apr 2024 02 Apr 2024
4 Open Document Open Filing 04 Apr 2024 02 Apr 2024
4 Open Document Open Filing 02 Apr 2024 02 Apr 2024
8-K Open Document | Data Open Filing 8-K 02 Apr 2024 02 Apr 2024 001-41989
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
4 Open Document Open Filing 4 29 Mar 2024 27 Mar 2024
S-8 Open Document Open Filing S-8 28 Mar 2024 333-278354
424B4 Open Document Open Filing 424B4 28 Mar 2024 333-277696
EFFECT Open Document Open Filing 27 Mar 2024 333-277696
3 Open Document Open Filing 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
3 Open Document Open Filing 3 27 Mar 2024 27 Mar 2024
CERT Open Document Open Filing 27 Mar 2024 001-41989
CORRESP Open Document Open Filing 25 Mar 2024
CORRESP Open Document Open Filing 25 Mar 2024
8-A12B Open Document Open Filing 8-A12B 22 Mar 2024 001-41989
S-1/A Open Document Open Filing S-1/A 21 Mar 2024 333-277696
CORRESP Open Document Open Filing 15 Mar 2024
UPLOAD Open Document Open Filing 13 Mar 2024 377-06851
CORRESP Open Document Open Filing 08 Mar 2024
CORRESP Open Document Open Filing 06 Mar 2024
S-1 Open Document Open Filing S-1 06 Mar 2024 333-277696
UPLOAD Open Document Open Filing 29 Jan 2024 377-06851
DRS/A Open Document Open Filing 23 Jan 2024 377-06851
DRSLTR Open Document Open Filing 11 Oct 2023
DRS/A Open Document Open Filing 11 Oct 2023 377-06851
UPLOAD Open Document Open Filing 29 Sep 2023 377-06851
DRS Open Document Open Filing 01 Sep 2023 377-06851
D Open Document Open Filing 15 Aug 2023 021-489721
D Open Document Open Filing 04 May 2021 021-398232
D Open Document Open Filing 12 Mar 2020 021-362715