Amprius Technologies, Inc. SEC EDGAR Filings (CIK 0001899287)

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

Symbol
AMPX, AMPX-WT on NYSE
Industry
Miscellaneous Electrical Machinery, Equipment & Supplies (Office Of Manufacturing)
Business address
1180 Page Avenue, Fremont, CA, 94538
State of incorporation
DE
Fiscal year end
31 December
Former names
Kensington Capital Acquisition Corp. IV (to 14 Sep 2022)
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Amprius Technologies, Inc. has filed 429 SEC EDGAR filings since 15 Dec 2021

Latest Filings

Recent SEC filings for Amprius Technologies, Inc. including 144, 4, 8-K and more.

Form type Document Filing Description Filing date Reporting date File number(s)
144 Open 144 document View SEC filing for 144 21 Jan 2026 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 20 Jan 2026 16 Jan 2026
144 Open 144 document View SEC filing for 144 16 Jan 2026 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 14 Jan 2026 12 Jan 2026
144 Open 144 document View SEC filing for 144 12 Jan 2026 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Jan 2026 12 Jan 2026 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 22 Dec 2025 19 Dec 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Dec 2025 18 Dec 2025 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 15 Dec 2025 11 Dec 2025
144 Open 144 document View SEC filing for 144 11 Dec 2025 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 25 Nov 2025 21 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 25 Nov 2025 21 Nov 2025
144 Open 144 document View SEC filing for 144 25 Nov 2025 001-41314
144 Open 144 document View SEC filing for 144 25 Nov 2025 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 19 Nov 2025 17 Nov 2025
144 Open 144 document View SEC filing for 144 17 Nov 2025 001-41314
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Nov 2025 30 Sep 2025 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Nov 2025 06 Nov 2025 001-41314
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 30 Oct 2025 005-93595
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 17 Oct 2025 005-93595
4 Open 4 document View SEC filing for 4 FORM 4 08 Oct 2025 06 Oct 2025
3 Open 3 document View SEC filing for 3 FORM 3 08 Oct 2025 06 Oct 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Oct 2025 06 Oct 2025 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Sep 2025 02 Sep 2025 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 25 Aug 2025 21 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 25 Aug 2025 21 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 25 Aug 2025 21 Aug 2025
144 Open 144 document View SEC filing for 144 25 Aug 2025 001-41314
144 Open 144 document View SEC filing for 144 25 Aug 2025 001-41314
144 Open 144 document View SEC filing for 144 25 Aug 2025 001-41314
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Aug 2025 005-93595
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Aug 2025 30 Jun 2025 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Aug 2025 07 Aug 2025 001-41314
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 06 Aug 2025 005-93595
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Jun 2025 12 Jun 2025 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2025 13 Jun 2025
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2025 13 Jun 2025
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2025 13 Jun 2025
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2025 13 Jun 2025
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2025 13 Jun 2025
4 Open 4 document View SEC filing for 4 FORM 4 23 May 2025 21 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 23 May 2025 21 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 23 May 2025 21 May 2025
144 Open 144 document View SEC filing for 144 23 May 2025 001-41314
144 Open 144 document View SEC filing for 144 23 May 2025 001-41314
144 Open 144 document View SEC filing for 144 23 May 2025 001-41314
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 15 May 2025 005-93595
3/A Open 3/A document View SEC filing for 3/A FORM 3/A 12 May 2025 01 May 2025
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 May 2025 31 Mar 2025 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 May 2025 08 May 2025 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 06 May 2025 01 May 2025
3 Open 3 document View SEC filing for 3 FORM 3 06 May 2025 01 May 2025
ARS Open ARS document View SEC filing for ARS ARS 25 Apr 2025 31 Dec 2024 001-41314
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 25 Apr 2025 001-41314
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 25 Apr 2025 12 Jun 2025 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Apr 2025 22 Apr 2025 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 21 Mar 2025 19 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 21 Mar 2025 19 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 21 Mar 2025 19 Mar 2025
S-8 Open S-8 document View SEC filing for S-8 S-8 20 Mar 2025 333-285979
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 20 Mar 2025 31 Dec 2024 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Mar 2025 20 Mar 2025 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 18 Mar 2025 14 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 12 Mar 2025 10 Mar 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Mar 2025 04 Mar 2025 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 24 Feb 2025 21 Feb 2025
4 Open 4 document View SEC filing for 4 FORM 4 24 Feb 2025 21 Feb 2025
4 Open 4 document View SEC filing for 4 FORM 4 24 Feb 2025 21 Feb 2025
4 Open 4 document View SEC filing for 4 FORM 4 24 Feb 2025 21 Feb 2025
144 Open 144 document View SEC filing for 144 24 Feb 2025 001-41314
144 Open 144 document View SEC filing for 144 24 Feb 2025 001-41314
144 Open 144 document View SEC filing for 144 24 Feb 2025 001-41314
144 Open 144 document View SEC filing for 144 24 Feb 2025 001-41314
424B7 Open 424B7 document View SEC filing for 424B7 424B7 09 Dec 2024 333-267683
4 Open 4 document View SEC filing for 4 FORM 4 22 Nov 2024 21 Nov 2024
4 Open 4 document View SEC filing for 4 FORM 4 22 Nov 2024 20 Nov 2024
4 Open 4 document View SEC filing for 4 FORM 4 22 Nov 2024 21 Nov 2024
4 Open 4 document View SEC filing for 4 FORM 4 22 Nov 2024 21 Nov 2024
144 Open 144 document View SEC filing for 144 21 Nov 2024 001-41314
144 Open 144 document View SEC filing for 144 21 Nov 2024 001-41314
144 Open 144 document View SEC filing for 144 21 Nov 2024 001-41314
144 Open 144 document View SEC filing for 144 21 Nov 2024 001-41314
144 Open 144 document View SEC filing for 144 21 Nov 2024 001-41314
144 Open 144 document View SEC filing for 144 20 Nov 2024 001-41314
144 Open 144 document View SEC filing for 144 12 Nov 2024 001-41314
144 Open 144 document View SEC filing for 144 08 Nov 2024 001-41314
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Nov 2024 30 Sep 2024 001-41314
144 Open 144 document View SEC filing for 144 07 Nov 2024 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Nov 2024 07 Nov 2024 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Nov 2024 01 Nov 2024 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Oct 2024 29 Oct 2024 001-41314
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 28 Oct 2024 005-93595
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 28 Oct 2024 005-93595
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 25 Oct 2024 005-93595
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 25 Oct 2024 005-93595
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 25 Oct 2024 005-93595
4 Open 4 document View SEC filing for 4 FORM 4 25 Oct 2024 23 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 25 Oct 2024 23 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 25 Oct 2024 23 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 25 Oct 2024 23 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 25 Oct 2024 23 Oct 2024
144 Open 144 document View SEC filing for 144 25 Oct 2024 001-41314
S-8 Open S-8 document View SEC filing for S-8 S-8 23 Oct 2024 333-282794
424B7 Open 424B7 document View SEC filing for 424B7 424B7 23 Oct 2024 333-267683
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Oct 2024 23 Oct 2024 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Sep 2024 19 Sep 2024 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Sep 2024 06 Sep 2024 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 05 Sep 2024 03 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 05 Sep 2024 03 Sep 2024
144 Open 144 document View SEC filing for 144 04 Sep 2024 001-41314
144 Open 144 document View SEC filing for 144 03 Sep 2024 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 22 Aug 2024 21 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 22 Aug 2024 21 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 22 Aug 2024 21 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 22 Aug 2024 21 Aug 2024
144 Open 144 document View SEC filing for 144 22 Aug 2024 001-41314
144 Open 144 document View SEC filing for 144 22 Aug 2024 001-41314
144 Open 144 document View SEC filing for 144 22 Aug 2024 001-41314
144 Open 144 document View SEC filing for 144 22 Aug 2024 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 14 Aug 2024 13 Aug 2024
3 Open 3 document View SEC filing for 3 FORM 3 14 Aug 2024 13 Aug 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Aug 2024 12 Aug 2024 001-41314
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2024 30 Jun 2024 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Aug 2024 08 Aug 2024 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 25 Jul 2024 23 Jul 2024
SC TO-I/A Open SC TO-I/A document View SEC filing for SC TO-I/A SC TO-I/A 24 Jul 2024 005-93595
EFFECT Open EFFECT document View SEC filing for EFFECT 08 Jul 2024 333-280445
424B3 Open 424B3 document View SEC filing for 424B3 424B3 08 Jul 2024 333-280445
SC TO-I/A Open SC TO-I/A document View SEC filing for SC TO-I/A SC TO-I/A 03 Jul 2024 005-93595
S-4/A Open S-4/A document View SEC filing for S-4/A S-4/A 03 Jul 2024 333-280445
SC TO-I Open SC TO-I document View SEC filing for SC TO-I SC TO-I 24 Jun 2024 005-93595
S-4 Open S-4 document View SEC filing for S-4 S-4 24 Jun 2024 333-280445
4 Open 4 document View SEC filing for 4 FORM 4 14 Jun 2024 12 Jun 2024
SC TO-I/A Open SC TO-I/A document View SEC filing for SC TO-I/A SC TO-I/A 13 Jun 2024 005-93595
144 Open 144 document View SEC filing for 144 12 Jun 2024 001-41314
SC TO-I/A Open SC TO-I/A document View SEC filing for SC TO-I/A SC TO-I/A 12 Jun 2024 005-93595
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2024 07 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2024 07 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2024 07 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2024 07 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2024 07 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2024 07 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Jun 2024 06 Jun 2024 001-41314
SC TO-I/A Open SC TO-I/A document View SEC filing for SC TO-I/A SC TO-I/A 04 Jun 2024 005-93595
CORRESP Open CORRESP document View SEC filing for CORRESP 03 Jun 2024
144 Open 144 document View SEC filing for 144 28 May 2024 001-41314
144 Open 144 document View SEC filing for 144 28 May 2024 001-41314
144 Open 144 document View SEC filing for 144 28 May 2024 001-41314
144 Open 144 document View SEC filing for 144 28 May 2024 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 24 May 2024 21 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 24 May 2024 21 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 24 May 2024 21 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 24 May 2024 21 May 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 22 May 2024 005-93595
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 May 2024 13 May 2024 001-41314
SC TO-I Open SC TO-I document View SEC filing for SC TO-I SC TO-I 13 May 2024 005-93595
424B3 Open 424B3 document View SEC filing for 424B3 424B3 13 May 2024 333-271149
424B3 Open 424B3 document View SEC filing for 424B3 424B3 13 May 2024 333-267683
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 May 2024 31 Mar 2024 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 May 2024 09 May 2024 001-41314
ARS Open ARS document View SEC filing for ARS ARS 25 Apr 2024 31 Dec 2023 001-41314
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 25 Apr 2024 001-41314
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 25 Apr 2024 06 Jun 2024 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 15 Apr 2024 12 Apr 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Apr 2024 02 Apr 2024
144 Open 144 document View SEC filing for 144 02 Apr 2024 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Apr 2024 01 Apr 2024 001-41314
S-8 Open S-8 document View SEC filing for S-8 S-8 28 Mar 2024 333-278338
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 28 Mar 2024 31 Dec 2023 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Mar 2024 21 Mar 2024 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 19 Mar 2024 19 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 19 Mar 2024 19 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 19 Mar 2024 19 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 19 Mar 2024 19 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 07 Mar 2024 05 Mar 2024
144 Open 144 document View SEC filing for 144 05 Mar 2024 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 07 Feb 2024 06 Feb 2024
144 Open 144 document View SEC filing for 144 06 Feb 2024 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Jan 2024 16 Jan 2024 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2024 02 Jan 2024
144 Open 144 document View SEC filing for 144 02 Jan 2024 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 15 Dec 2023 13 Dec 2023
144 Open 144 document View SEC filing for 144 15 Dec 2023 001-41314
144 Open 144 document View SEC filing for 144 15 Dec 2023 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 14 Dec 2023 12 Dec 2023
144 Open 144 document View SEC filing for 144 13 Dec 2023 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 07 Dec 2023 05 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 07 Dec 2023 05 Dec 2023
144 Open 144 document View SEC filing for 144 05 Dec 2023 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 30 Nov 2023 28 Nov 2023
144 Open 144 document View SEC filing for 144 27 Nov 2023 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 21 Nov 2023 20 Nov 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 Nov 2023 30 Sep 2023 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 09 Nov 2023 07 Nov 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Nov 2023 09 Nov 2023 001-41314
144 Open 144 document View SEC filing for 144 07 Nov 2023 001-41314
EFFECT Open EFFECT document View SEC filing for EFFECT 27 Oct 2023 333-267691
RW Open RW document View SEC filing for RW RW 27 Oct 2023 333-272466
POS AM Open POS AM document View SEC filing for POS AM POS AM 27 Oct 2023 333-267691
424B3 Open 424B3 document View SEC filing for 424B3 424B3 23 Oct 2023 333-267691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Oct 2023 21 Oct 2023 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 12 Oct 2023 10 Oct 2023
EFFECT Open EFFECT document View SEC filing for EFFECT 10 Oct 2023 333-274834
424B3 Open 424B3 document View SEC filing for 424B3 424B3 10 Oct 2023 333-274834
144 Open 144 document View SEC filing for 144 10 Oct 2023 001-41314
EFFECT Open EFFECT document View SEC filing for EFFECT 05 Oct 2023 333-271149
EFFECT Open EFFECT document View SEC filing for EFFECT 05 Oct 2023 333-267683
CORRESP Open CORRESP document View SEC filing for CORRESP 05 Oct 2023
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 05 Oct 2023
424B3 Open 424B3 document View SEC filing for 424B3 424B3 03 Oct 2023 333-267691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Oct 2023 02 Oct 2023 001-41314
POS AM Open POS AM document View SEC filing for POS AM POS AM 03 Oct 2023 333-271149
POS AM Open POS AM document View SEC filing for POS AM POS AM 03 Oct 2023 333-267683
S-3 Open S-3 document View SEC filing for S-3 S-3 03 Oct 2023 333-274834
4 Open 4 document View SEC filing for 4 FORM 4 21 Sep 2023 19 Sep 2023
424B3 Open 424B3 document View SEC filing for 424B3 424B3 21 Sep 2023 333-272466
424B3 Open 424B3 document View SEC filing for 424B3 424B3 21 Sep 2023 333-272466
424B3 Open 424B3 document View SEC filing for 424B3 424B3 21 Sep 2023 333-271149
424B3 Open 424B3 document View SEC filing for 424B3 424B3 21 Sep 2023 333-267683
424B3 Open 424B3 document View SEC filing for 424B3 424B3 21 Sep 2023 333-267691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Sep 2023 21 Sep 2023 001-41314
144 Open 144 document View SEC filing for 144 19 Sep 2023 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 18 Sep 2023 14 Sep 2023
144 Open 144 document View SEC filing for 144 15 Sep 2023 001-41314
144 Open 144 document View SEC filing for 144 14 Sep 2023 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 12 Sep 2023 09 Sep 2023
424B3 Open 424B3 document View SEC filing for 424B3 424B3 11 Aug 2023 333-271149
424B3 Open 424B3 document View SEC filing for 424B3 424B3 11 Aug 2023 333-267683
424B3 Open 424B3 document View SEC filing for 424B3 424B3 11 Aug 2023 333-267691
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 Aug 2023 30 Jun 2023 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Aug 2023 10 Aug 2023 001-41314
424B3 Open 424B3 document View SEC filing for 424B3 424B3 25 Jul 2023 333-271149
424B3 Open 424B3 document View SEC filing for 424B3 424B3 25 Jul 2023 333-267683
424B3 Open 424B3 document View SEC filing for 424B3 424B3 25 Jul 2023 333-267691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Jul 2023 24 Jul 2023 001-41314
424B3 Open 424B3 document View SEC filing for 424B3 424B3 27 Jun 2023 333-272466
EFFECT Open EFFECT document View SEC filing for EFFECT 26 Jun 2023 333-272466
CORRESP Open CORRESP document View SEC filing for CORRESP 22 Jun 2023
S-4/A Open S-4/A document View SEC filing for S-4/A S-4/A 21 Jun 2023 333-272466
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 14 Jun 2023
424B3 Open 424B3 document View SEC filing for 424B3 424B3 15 Jun 2023 333-271149
424B3 Open 424B3 document View SEC filing for 424B3 424B3 15 Jun 2023 333-267683
424B3 Open 424B3 document View SEC filing for 424B3 424B3 15 Jun 2023 333-267691
4 Open 4 document View SEC filing for 4 FORM 4 15 Jun 2023 14 Jun 2023
3 Open 3 document View SEC filing for 3 FORM 3 15 Jun 2023 14 Jun 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Jun 2023 13 Jun 2023 001-41314
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 14 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 12 Jun 2023 09 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 12 Jun 2023 09 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 12 Jun 2023 09 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 12 Jun 2023 09 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 12 Jun 2023 09 Jun 2023
424B3 Open 424B3 document View SEC filing for 424B3 424B3 09 Jun 2023 333-271149
424B3 Open 424B3 document View SEC filing for 424B3 424B3 09 Jun 2023 333-267683
424B3 Open 424B3 document View SEC filing for 424B3 424B3 09 Jun 2023 333-267691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Jun 2023 01 Jun 2023 001-41314
S-4 Open S-4 document | Open XBRL data View SEC filing for S-4 S-4 07 Jun 2023 333-272466
424B3 Open 424B3 document View SEC filing for 424B3 424B3 12 May 2023 333-271149
424B3 Open 424B3 document View SEC filing for 424B3 424B3 12 May 2023 333-267691
424B3 Open 424B3 document View SEC filing for 424B3 424B3 12 May 2023 333-267683
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 12 May 2023 005-93595
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 May 2023 31 Mar 2023 001-41314
424B3 Open 424B3 document View SEC filing for 424B3 424B3 10 May 2023 333-271149
424B3 Open 424B3 document View SEC filing for 424B3 424B3 10 May 2023 333-267683
424B3 Open 424B3 document View SEC filing for 424B3 424B3 10 May 2023 333-267691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 May 2023 09 May 2023 001-41314
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 May 2023 10 May 2023 001-41314
4 Open 4 document View SEC filing for 4 FORM 4 03 May 2023 14 Dec 2022
ARS Open ARS document View SEC filing for ARS ARS 28 Apr 2023 31 Dec 2022 001-41314
424B3 Open 424B3 document View SEC filing for 424B3 424B3 27 Apr 2023 333-267691
424B3 Open 424B3 document View SEC filing for 424B3 424B3 27 Apr 2023 333-267683
424B3 Open 424B3 document View SEC filing for 424B3 424B3 27 Apr 2023 333-271149
4 Open 4 document View SEC filing for 4 FORM 4 27 Apr 2023 25 Apr 2023
3 Open 3 document View SEC filing for 3 FORM 3 27 Apr 2023 25 Apr 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Apr 2023 25 Apr 2023 001-41314
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 27 Apr 2023 001-41314
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 27 Apr 2023 08 Jun 2023 001-41314
424B3 Open 424B3 document View SEC filing for 424B3 424B3 19 Apr 2023 333-265740
424B3 Open 424B3 document View SEC filing for 424B3 424B3 19 Apr 2023 333-267683
424B3 Open 424B3 document View SEC filing for 424B3 424B3 19 Apr 2023 333-267691
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Apr 2023 15 Apr 2023 001-41314
EFFECT Open EFFECT document View SEC filing for EFFECT 12 Apr 2023 333-271149
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 11 Apr 2023
424B3 Open 424B3 document View SEC filing for 424B3 424B3 11 Apr 2023 333-267691
424B3 Open 424B3 document View SEC filing for 424B3 424B3 11 Apr 2023 333-267683
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Apr 2023
EFFECT Open EFFECT document View SEC filing for EFFECT 07 Apr 2023 333-267691
EFFECT Open EFFECT document View SEC filing for EFFECT 07 Apr 2023 333-267683
S-4 POS Open S-4 POS document View SEC filing for S-4 POS S-4 POS 05 Apr 2023 333-265740
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 S-1 05 Apr 2023 333-271149
POS AM Open POS AM document | Open XBRL data View SEC filing for POS AM POS AM 05 Apr 2023 333-267691
POS AM Open POS AM document | Open XBRL data View SEC filing for POS AM POS AM 05 Apr 2023 333-267683
S-8 Open S-8 document View SEC filing for S-8 S-8 31 Mar 2023 333-271012
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About this filer

Amprius Technologies, Inc. files with the SEC under CIK 0001899287. This page aggregates EDGAR filings and related ownership activity.

Industry: Miscellaneous Electrical Machinery, Equipment & Supplies.

See insider transactions for this issuer.

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