Ambrx Biopharma, Inc.

Business address
10975 North Torrey Pines Road, La Jolla, CA, 92037
Fiscal year end
31 December
Former names
New Ambrx Biopharma Inc. (to 15 Sep 2023)
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Ambrx Biopharma, Inc. has filed 77 SEC EDGAR filings since 25 Aug 2023

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
SC 13G/A Open Document Open Filing 14 Nov 2024 005-94206
15-12G Open Document Open Filing 18 Mar 2024 000-56600
8-K Open Document | Data Open Filing CURRENT REPORT 12 Mar 2024 08 Mar 2024 000-56600
EFFECT Open Document Open Filing 08 Mar 2024 333-275053
S-8 POS Open Document Open Filing S-8 POS 08 Mar 2024 333-274952
S-8 POS Open Document Open Filing S-8 POS 08 Mar 2024 333-271966-01
S-8 POS Open Document Open Filing S-8 POS 08 Mar 2024 333-271005-01
S-8 POS Open Document Open Filing S-8 POS 08 Mar 2024 333-264490-01
S-8 POS Open Document Open Filing S-8 POS 08 Mar 2024 333-257264-01
4 Open Document Open Filing 4 07 Mar 2024 07 Mar 2024
4 Open Document Open Filing 4 07 Mar 2024 07 Mar 2024
4 Open Document Open Filing 4 07 Mar 2024 07 Mar 2024
4 Open Document Open Filing 4 07 Mar 2024 07 Mar 2024
4 Open Document Open Filing 4 07 Mar 2024 07 Mar 2024
4 Open Document Open Filing 4 07 Mar 2024 07 Mar 2024
4 Open Document Open Filing 4 07 Mar 2024 07 Mar 2024
4 Open Document Open Filing 4 07 Mar 2024 07 Mar 2024
POS AM Open Document Open Filing POS AM 07 Mar 2024 333-275053
25-NSE/A Open Document Open Filing 07 Mar 2024 000-56600
8-K Open Document | Data Open Filing 8-K 07 Mar 2024 07 Mar 2024 000-56600
8-K Open Document | Data Open Filing 8-K 06 Mar 2024 06 Mar 2024 000-56600
DEFA14A Open Document Open Filing DEFA14A 23 Feb 2024 000-56600
DEFA14A Open Document Open Filing DEFA14A 22 Feb 2024 000-56600
8-K Open Document | Data Open Filing 8-K 22 Feb 2024 21 Feb 2024 000-56600
DFAN14A Open Document Open Filing DFAN14A 15 Feb 2024 000-56600
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2024 005-94206
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2024 005-94206
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2024 005-94206
SC 13G/A Open Document Open Filing 14 Feb 2024 005-94206
SC 13G/A Open Document Open Filing AMENDMENT NO. 4 14 Feb 2024 005-94206
SC 13G/A Open Document Open Filing 14 Feb 2024 005-94206
SC 13G/A Open Document Open Filing SC13G/A 12 Feb 2024 005-94206
SC 13G/A Open Document Open Filing 09 Feb 2024 005-94206
SC 13G/A Open Document Open Filing SC 13G/A 05 Feb 2024 005-94206
DFAN14A Open Document Open Filing DFAN14A 29 Jan 2024 000-56600
DEFM14A Open Document Open Filing DEFM14A 29 Jan 2024 000-56600
PREM14A Open Document Open Filing PREM14A 19 Jan 2024 19 Jan 2024 000-56600
DFAN14A Open Document Open Filing DFAN14A 09 Jan 2024 000-56600
DFAN14A Open Document Open Filing DFAN14A 08 Jan 2024 000-56600
DEFA14A Open Document Open Filing DEFA14A 08 Jan 2024 000-56600
8-K Open Document | Data Open Filing 8-K 08 Jan 2024 05 Jan 2024 000-56600
144 Open Document Open Filing 26 Dec 2023 000-56600
144 Open Document Open Filing 19 Dec 2023 000-56600
4 Open Document Open Filing 4 11 Dec 2023 11 Dec 2023
4 Open Document Open Filing 4 11 Dec 2023 11 Dec 2023
4 Open Document Open Filing 4 11 Dec 2023 11 Dec 2023
144 Open Document Open Filing 08 Dec 2023 000-56600
144 Open Document Open Filing 05 Dec 2023 000-56600
144 Open Document Open Filing 01 Dec 2023 000-56600
8-K Open Document | Data Open Filing 8-K 01 Dec 2023 01 Dec 2023 000-56600
10-Q Open Document | Data Open Filing 10-Q 13 Nov 2023 30 Sep 2023 000-56600
EFFECT Open Document Open Filing 02 Nov 2023 333-275053
SC 13G Open Document Open Filing SC 13G 02 Nov 2023 005-94206
SC 13G Open Document Open Filing 02 Nov 2023 005-94206
CORRESP Open Document Open Filing 01 Nov 2023
144 Open Document Open Filing 01 Nov 2023 000-56600
4 Open Document Open Filing 4 31 Oct 2023 27 Oct 2023
4 Open Document Open Filing 4 31 Oct 2023 27 Oct 2023
144 Open Document Open Filing 27 Oct 2023 000-56600
4 Open Document Open Filing 25 Oct 2023 23 Oct 2023
CORRESP Open Document Open Filing 25 Oct 2023
UPLOAD Open Document Open Filing 24 Oct 2023
8-K Open Document | Data Open Filing 8-K 23 Oct 2023 22 Oct 2023 000-56600
S-3 Open Document Open Filing S-3 17 Oct 2023 333-275053
8-K Open Document | Data Open Filing 8-K 16 Oct 2023 16 Oct 2023 000-56600
S-8 Open Document Open Filing S-8 12 Oct 2023 333-274952
S-8 POS Open Document Open Filing S-8 POS 12 Oct 2023 333-271966-01
S-8 POS Open Document Open Filing S-8 POS 12 Oct 2023 333-271005-01
S-8 POS Open Document Open Filing S-8 POS 12 Oct 2023 333-264490-01
S-8 POS Open Document Open Filing S-8 POS 12 Oct 2023 333-257264-01
8-K12G3 Open Document | Data Open Filing 8-K12G3 12 Oct 2023 11 Oct 2023 000-56600
EFFECT Open Document Open Filing 15 Sep 2023 333-274230
424B3 Open Document Open Filing 424B3 15 Sep 2023 333-274230
CORRESP Open Document Open Filing 13 Sep 2023
S-4/A Open Document | Data Open Filing S-4/A 12 Sep 2023 333-274230
UPLOAD Open Document Open Filing 29 Aug 2023
S-4 Open Document Open Filing S-4 25 Aug 2023 333-274230