Amprius Technologies, Inc. — fact timeline

Amprius Technologies, Inc. shareholders approved Ratification of the appointment of Deloitte & Touche LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026 at the 2026-06-11 meeting.

“Proposal 2 – Ratification of the appointment of Deloitte & Touche LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026 Votes For Votes Against Abstentions Broker Non-Votes 96,014,911 85,854 981,391 —”

Amprius Technologies, Inc. shareholders approved Election of two directors to serve until the 2029 annual meeting of stockholders at the 2026-06-11 meeting.

“Proposal 1 – Election of two directors to serve until the 2029 annual meeting of stockholders Director Votes For Votes Withheld Broker Non-Votes Kathleen Bayless 50,367,535 20,194,821 26,519,800 Thomas M. Stepien 53,880,993 16,681,363 26,519,800”

Amprius Technologies, Inc. issued common stock to institutional holders of the company's public warrants for Exchange Public Warrants exchanged for Exchange Shares.

“The issuance by the Company of the Exchange Shares in exchange for the surrender and cancellation of the Exchange Public Warrants is being made in reliance on Section 4(a)(2) of the Securities Act of 1933”

Amprius Technologies, Inc. entered into Exchange Agreements with certain institutional holders (effective 2026-05-06).

“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”

Amprius Technologies, Inc. reported fiscal first quarter ended March 31, 2026 results: revenue $28.5 million, net income $5.0 million loss, EPS $0.04 per share loss. Guidance raised.

“Revenue for the first quarter of 2026 was $28.5 million, up 2.5x from $11.3 million in the first quarter of 2025. Net loss was $5.0 million, compared to a net loss of $9.4 million in the first quarter of 2025. Net loss per share was $0.04, compared to a net loss per share of $0.08 in the first quarter of 2025.”

Amprius Technologies, Inc. dismissed BDO USA, P.C. as its auditor.

“and notified BDO that they will not be engaged to audit the Company's consolidated financial statements for the year ending December 31, 2026”

Amprius Technologies, Inc. engaged Deloitte & Touche LLP as its auditor.

“as the Company's independent registered public accounting firm to audit the Company’s consolidated financial statements for the year ending December 31, 2026, effective as of April 21, 2026”

Amprius Technologies, Inc. reported the full year ended December 31, 2025 results: revenue $73.0 million, net income Net loss for the year was $44.0 million, EPS Net loss per share for the year was $0.35. Guidance initiated.

“Revenue for the full year 2025 was $73.0 million, compared to $24.2 million in 2024, an increase of 202%. Net loss for the year was $44.0 million, compared to a net loss of $44.7 million in 2024. Net loss per share for the year was $0.35, compared to a loss of $0.45 per share in 2024.”

Amprius Technologies, Inc. reported the fourth quarter ended December 31, 2025 results: revenue $25.2 million, net income Net loss was $24.4 million, EPS Net loss per share was $0.18. Guidance initiated.

“Revenue for the fourth quarter of 2025 was $25.2 million, compared to $10.6 million in the fourth quarter of 2024. Net loss was $24.4 million, compared to a net loss of $11.4 million in the fourth quarter of 2024. Net loss per share was $0.18, compared to a net loss per share of $0.10 in the fourth quarter of 2024.”

Amprius Technologies, Inc. terminated Lease Termination with Starboard Platform Brighton JV, LLC valued at $20,000,000 (effective 2026-01-30).

“On 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")”

Tom Stepien was elected as Class I Director at Amprius Technologies, Inc..

“On April 22, 2025, the board of directors of the Company (the "Board") also elected Mr. Stepien to serve as a Class I director, effective May 1, 2025.”

Tom Stepien was appointed as President at Amprius Technologies, Inc..

“On April 23, 2025, Amprius Technologies, Inc. (the "Company") announced that Mr. Tom Stepien, had been appointed President of the Company.”

Justin Mirro resigned as Director at Amprius Technologies, Inc..

“On September 6, 2024, Justin Mirro resigned from his position as a member of the Board of Directors (the “Board”) of Amprius Technologies, Inc. (the “Company”) and from all of its committees, which resignation was effective on that date.”

Livingston 'Tony' Satterthwaite was elected as Class II director at Amprius Technologies, Inc..

“On August 13, 2024, the Board elected Livingston “Tony” Satterthwaite to serve as a Class II director to fill the vacancy created by Ms. Gustanski's resignation.”

Mary Gustanski resigned as member of the Board of Directors at Amprius Technologies, Inc..

“On August 12, 2024, Mary Gustanski resigned from her position as a member of the Board of Directors (the “Board”) of Amprius Technologies, Inc. (the “Company”) and from all of its committees and advisory councils, which resignation was effective on that date.”

Amprius Technologies, Inc. reported financial results for first fiscal quarter ended March 31, 2024.

“On May 9, 2024, Amprius Technologies, Inc. (the “Company”) announced its business and financial results for its first fiscal quarter ended March 31, 2024.”

Amprius Technologies, Inc. reported financial results for fiscal fourth quarter and full year ended December 31, 2023.

“On March 21, 2024, Amprius Technologies, Inc. (the “Company”) announced its business and financial results for its fiscal fourth quarter and full year ended December 31, 2023.”

Amprius Technologies, Inc. reported financial results for third fiscal quarter ended September 30, 2023.

“On November 9, 2023, Amprius Technologies, Inc. (the “Company”) announced its business and financial results for its third fiscal quarter ended September 30, 2023.”

Amprius Technologies, Inc. terminated Agreement and Plan of Merger and Reorganization with Combine Merger Sub, Inc., Combine Merger Sub, LLC and Amprius, Inc. (effective 2023-10-21).

“On October 21, 2023, the parties to the Merger Agreement entered into a Termination Agreement (the “Termination Agreement”), pursuant to which, among other things, the parties agreed to mutually terminate the Merger Agreement, effective immediately.”

Amprius Technologies, Inc. reported financial results for second fiscal quarter ended June 30, 2023.

“On August 10, 2023, Amprius Technologies, Inc. (the “Company”) announced its business and financial results for its second fiscal quarter ended June 30, 2023.”

Mary Gustanski was elected as Class II director at Amprius Technologies, Inc..

“the Board of Directors (the “Board”) of Amprius Technologies, Inc. (the “Company”) elected Mary Gustanski to serve as a Class II director.”

Amprius Technologies, Inc. shareholders approved Ratification of the appointment of BDO USA, LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2023 at the 2023-06-08 meeting.

“Proposal 2 – Ratification of the appointment of BDO USA, LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2023 Votes For Votes Against Abstentions Broker Non-Votes 77,075,283 3,754 18,389 —”

Amprius Technologies, Inc. shareholders approved Election of two directors to serve until the 2026 annual meeting of stockholders at the 2023-06-08 meeting.

“Proposal 1 – Election of two directors to serve until the 2026 annual meeting of stockholders Director Votes For Votes Withheld Broker Non-Votes Dr. Wen Hsieh 74,154,763 807,530 2,135,133 Kathleen Ann Bayless 74,927,629 34,664 2,135,133”

Amprius Technologies, Inc. entered into Agreement and Plan of Merger and Reorganization with Amprius, Inc., Combine Merger Sub, Inc., and Combine Merger Sub, LLC (effective 2023-05-09).

“On May 9, 2023, Amprius Technologies, Inc., a Delaware corporation (“Amprius”), entered into an Agreement and Plan of Merger and Reorganization (the “Merger Agreement”) with Amprius, Inc., a Delaware corporation (“Holdco”), Combine Merger Sub, Inc., a Delaware corporation (“Merger Sub I”), and Combine Merger Sub, LLC, a Delaware limited liability company (“Merger Sub II” and together with Merger Sub I, the “Merger Subs”).”

Amprius Technologies, Inc. reported financial results for first fiscal quarter ended March 31, 2023.

“On May 10, 2023, Amprius Technologies, Inc. (the “Company”) announced its business and financial results for its first fiscal quarter ended March 31, 2023.”

Kathleen Ann Bayless was elected as Class I director at Amprius Technologies, Inc..

“On April 25, 2023, the Board of Directors (the "Board") of Amprius Technologies, Inc. (the "Company") elected Kathleen Ann Bayless to serve as a Class I director.”

Amprius Technologies, Inc. entered into Lease Agreement with Starboard Platform Brighton JV LLC (effective 2023-04-15).

“On April 15, 2023, Amprius Technologies, Inc., a Delaware corporation (the “Company”), entered into a Lease Agreement (the “Lease Agreement”) with Starboard Platform Brighton JV LLC (the “Landlord”) to lease premises consisting of approximately 774,000 square feet of space, located at 18875 East Bromley Lane, Brighton, Colorado 80601, to build the Company’s GWh-scale manufacturing facility.”

Amprius Technologies, Inc. reported financial results for fourth fiscal quarter and full year ended December 31, 2022.

“On March 23, 2023, Amprius Technologies, Inc. (the “Company”) announced its business and financial results for its fourth fiscal quarter and full year ended December 31, 2022.”

Amprius Technologies, Inc.: The board of directors approved and adopted amended and restated bylaws, addressing universal proxy rules, Delaware law changes, and technical updates (effective 2023-03-21).

“On March 21, 2023, the board of directors of the Company approved and adopted amended and restated bylaws (the “Amended and Restated Bylaws”), which became effective immediately.”

Jonathan Bornstein was appointed as President of Amprius Lab at Amprius Technologies, Inc..

“On March 6, 2023, Amprius Technologies, Inc. (the “Company”) announced a change in Jonathan Bornstein’s officer title from Chief Operating Officer to President of Amprius Lab, in conjunction with the Company’s formation of two business units.”

Amprius Technologies, Inc. reported financial results for third fiscal quarter, which ended September 30, 2022.

“On November 10, 2022, Amprius Technologies, Inc. (the “Company”) announced its business and financial results for its third fiscal quarter, which ended September 30, 2022.”

Matthew Simoncini was appointed as Director at Amprius Technologies, Inc..

“On March 1, 2022, in connection with the IPO, Thomas LaSorda, Nicole Nason, Anders Pettersson, Mitchell Quain, Donald L. Runkle and Matthew Simoncini (the “New Directors” and, collectively with Justin Mirro, the “Directors”) were appointed to the board of directors of the Company (the “Board”).”

Donald L. Runkle was appointed as Director at Amprius Technologies, Inc..

“On March 1, 2022, in connection with the IPO, Thomas LaSorda, Nicole Nason, Anders Pettersson, Mitchell Quain, Donald L. Runkle and Matthew Simoncini (the “New Directors” and, collectively with Justin Mirro, the “Directors”) were appointed to the board of directors of the Company (the “Board”).”

Mitchell Quain was appointed as Director at Amprius Technologies, Inc..

“On March 1, 2022, in connection with the IPO, Thomas LaSorda, Nicole Nason, Anders Pettersson, Mitchell Quain, Donald L. Runkle and Matthew Simoncini (the “New Directors” and, collectively with Justin Mirro, the “Directors”) were appointed to the board of directors of the Company (the “Board”).”

Anders Pettersson was appointed as Director at Amprius Technologies, Inc..

“On March 1, 2022, in connection with the IPO, Thomas LaSorda, Nicole Nason, Anders Pettersson, Mitchell Quain, Donald L. Runkle and Matthew Simoncini (the “New Directors” and, collectively with Justin Mirro, the “Directors”) were appointed to the board of directors of the Company (the “Board”).”

Nicole Nason was appointed as Director at Amprius Technologies, Inc..

“On March 1, 2022, in connection with the IPO, Thomas LaSorda, Nicole Nason, Anders Pettersson, Mitchell Quain, Donald L. Runkle and Matthew Simoncini (the “New Directors” and, collectively with Justin Mirro, the “Directors”) were appointed to the board of directors of the Company (the “Board”).”

Thomas LaSorda was appointed as Director at Amprius Technologies, Inc..

“On March 1, 2022, in connection with the IPO, Thomas LaSorda, Nicole Nason, Anders Pettersson, Mitchell Quain, Donald L. Runkle and Matthew Simoncini (the “New Directors” and, collectively with Justin Mirro, the “Directors”) were appointed to the board of directors of the Company (the “Board”).”