Amprius Technologies, Inc.
AMPX.WT- Exchange
- NYSE
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies
- SEC CIK
- 0001899287
In the last 90 days, Amprius Technologies, Inc. insiders filed 0 open-market purchases and 3 sales; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Other share classesAMPX
Holders of 5% or more of AMPX.WT
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Amprius Technologies, Inc., largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Amprius Technologies, Inc. on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
Schedule 13D and 13G filings on Amprius Technologies, Inc., newest first.
No Schedule 13D or 13G filings on Amprius Technologies, Inc. are on file.
Form 144: proposed insider sales
10 notices from officers, directors and other affiliates planning to sell Amprius Technologies, Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Dec 15, 20235:59 PM ET | Amprius, Inc10% stockholder · Parent Company - Private Inc - | 100.0K | $353.6K | Dec 15, 2023 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Dec 15, 20235:57 PM ET | Amprius, Inc.10% stockholder · Parent Company - Private Inc - | 100.0K | $354.8K | Dec 14, 2023 | Morgan Stanley Smith Barney | SEC |
| Dec 13, 20234:51 PM ET | Amprius, Inc10% stockholder · Parent Company - Private Inc - | 100.0K | $361.7K | Dec 13, 2023 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Dec 5, 20234:24 PM ET | Jonathan BornsteinOfficer | 150.0K | $667.5K | Dec 5, 202310b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 27, 20239:03 PM ET | Justin MirroDirector | 700.0K | $2.86M | Nov 28, 2023 | Cantor Fitzgerald | SEC |
| Nov 7, 20234:08 PM ET | Jonathan BornsteinOfficer | 150.0K | $513.0K | Nov 7, 202310b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 10, 20234:05 PM ET | Jonathan BornsteinOfficer | 150.0K | $648.0K | Oct 10, 202310b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 19, 20234:24 PM ET | Jonathan BornsteinOfficer | 150.0K | $754.5K | Sep 19, 202310b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 15, 20237:45 PM ET | Constantin I. StefanOfficer | 33.6K | $130.8K | Sep 15, 2023 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 14, 20235:14 PM ET | Constantin I. StefanOfficer | 46.4K | $169.5K | Sep 14, 2023 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |