AMPXAmprius Technologies, Inc.

$9.45-20% 1Y

AMPX in its own filings

AMPX's filing record carries 3 kinds of hard flag, each is shown beside the share of the whole market carrying the same one, because more than half of all companies carry at least one.

130

Events found in the filings · across 500 filings · the record starts in 2022

Hard flags
3

Hard flags

Most recent filing
Sep 28, 2026

Most recent filing · Form 8-K

Record starts
Jan 11, 2022

Record starts · the earliest filing Ryufin holds for this name

Details›
Next results filingsame week as a year ago
expected around Nov 5, 2026
Change in certifying accountant2 occurrences
2026-04-21
Late periodic reporthistorical
2022-05-17
Delisting notice / listing-rule failurepast_3y
2024-09-20
Security removed from listing or deregisteredhistorical · usually a matured note or preferred class, not the common shares
2022-09-15
SEC comment-letter activity33 occurrences
2024-06-03

SEC EDGAR submissions index and 8-K item codes; 4.02 and 1.03 items are confirmed against the filing text.

What the company said

The company's own words from its current reports to the SEC, newest first

  1. Sep 28, 2026On September 23, 2026, Amprius Technologies, Inc. (the “Company”) entered into an Other Transaction Agreement (the “Agreement”) with the United States of America (the “U.S. Government”) for a project (“Project acCELLerate”) awarded to the Company under the authority of 10 U.S.C. § 4022.Material agreement entered · Form 8-K
  2. Aug 13, 2026On August 7, 2026, Amprius Technologies, Inc. (the “Company”) entered into the Second Amendment to Industrial Lease Agreement (the “Second Amendment”) with Los Altos Fields, LLC, amending the Company's existing lease for its facility located at 1000-1180 Page Avenue, Fremont, California.Material agreement entered · Form 8-K
  3. Aug 4, 2026Amprius Technologies Reports Second Quarter 2026 Financial Results and Recent Business Highlights.Earnings release · press release
  4. May 19, 2026On May 18 and May 19, 2026, the Company closed the transactions contemplated by the Exchange Agreements and issued an aggregate of 2,726,631 Exchange Shares to the Public Warrant Holders in exchange for the surrender and cancellation of the Exchange Public Warrants.Unregistered sale of equity · Form 8-K/A
  5. May 7, 2026Entry into Material Definitive Agreement On May 6, 2026, Amprius Technologies, Inc. (the “Company”) entered into Warrant Exchange Agreements (the “Exchange Agreements”) with certain institutional holders (the “Public Warrant Holders”) of the Company’s public warrants (the “Exchange Public Warrants”), each of which is …Material agreement entered · Form 8-K
  6. May 6, 2026Amprius Technologies Reports First Quarter 2026 Financial Results and Recent Business Highlights.Earnings release · press release
  7. Apr 21, 2026On April 17, 2026, the Audit Committee (the "Audit Committee") of the board of directors of Amprius Technologies, Inc. (the "Company") approved the engagement of Deloitte & Touche LLP ("Deloitte") as the Company's independent registered public accounting firm to audit the Company’s consolidated financial statements …Auditor change · Form 8-K
  8. Mar 4, 2026Amprius Technologies Reports Fourth Quarter and Fiscal Year 2025 Financial Results and Recent Business Highlights.Earnings release · press release
  9. Feb 3, 2026On January 30, 2026, Amprius Technologies, Inc. (the "Company") entered into a lease termination agreement (the “Lease Termination”) with Starboard Platform Brighton JV, LLC (the “Landlord”) to terminate the Company’s existing lease (the "Lease") for approximately 774,155 rentable square feet of that certain improved …Material agreement terminated · Form 8-K
  10. Jan 12, 2026On January 12, 2026, Amprius Technologies, Inc. (the “Company”) announced that it successfully completed all sales under its at-the-market equity offering program (the “ATM Program”)Other event · Form 8-K

Quoted from SEC EDGAR filings. A current report is filed within four business days of the event it describes.

opening the record…
On our screens:Most shorted stocks