Past Events
Third Quarter 2024 Conference Call
November 14, 2024 • 4:30pm EST
Special Meeting of Stockholders
October 28, 2024 • 8:00am PST
Second Quarter 2024 Conference Call
August 5, 2024 • 4:30pm EST
2024 Annual Meeting of Stockholders
May 23, 2024 • 9:00am PST
First Quarter 2024 Conference Call
May 15, 2024 • 4:30pm EST
Gabelli Funds 10th Annual Waste & Sustainability Symposium
April 4, 2024 • 2:45pm EST
Fourth Quarter 2023 Conference Call
March 27, 2024 • 4:30pm EST
Chardan Battery Technology Virtual Conference
December 18, 2023
Bank of America Battery Materials Tech Day
December 12, 2023
The Benchmark Company Discovery Conference
December 7, 2023
Janney Montgomery Scott Clean Energy Investment Symposium
December 6, 2023
Third Quarter 2023 Conference Call
November 8, 2023 • 4:30pm EST
H.C. Wainwright 25th Annual Global Investment Conference
September 11, 2023 • 5:00pm EST
Second Quarter 2023 Conference Call
August 9, 2023 • 4:30pm EST
2023 Annual Meeting of Stockholders
June 15, 2023 • 9:00am PST
The MicroCap Rodeo
May 17, 2023 • 2:00pm EST
Credit Suisse Renewables & Utilities Conference
May 16, 2023
Oppenheimer Emerging Growth Conference
May 11, 2023
First Quarter 2023 Conference Call
May 4, 2023 • 4:30pm EST
Maxim Group Electric Vehicle & Auto Tech Conference
March 30, 2023 • 3:00pm EST
Sidoti Small-Cap Conference
March 23, 2023 • 3:15pm EST
2023 Annual Meeting of Stockholders
March 18, 2023 • 9:00am PST
Fourth Quarter 2022 Conference Call
March 9, 2023 • 4:30pm EST
Credit Suisse Annual Summit
February 27, 2023 • 9:50am MST
Credit Suisse Climate Tech Conference
December 6, 2022
The Benchmark Company Discovery Conference
December 1, 2022
Third Quarter 2022 Conference Call
November 3, 2022 • 4:30pm EST
LD Micro Main Event XV
October 26, 2022 • 1:00pm PST
Lake Street, Best Ideas Growth Conference
September 14, 2022
H.C. Wainwright Global Investment Conference
September 13 – September 14, 2022
Second Quarter 2022 Conference Call
July 21, 2022 • 4:30pm EST
2022 Annual Meeting of Stockholders
June 7, 2022 • 11:00am EST
First Quarter 2022 Conference Call
April 28, 2022 • 4:30pm EST
Water Tower Research Fireside Chat
March 30, 2022 • 2:00pm EST
UBS Energy Transition Call Series
March 22, 2022 • 11:00am EST
Fourth Quarter 2021 Conference Call
February 24, 2022 • 4:30pm EST
Credit Suisse Climate Technology Start-Up Forum
December 6 – December 7, 2021
Water Tower Research Fireside Chat
December 1, 2021 • 2:00pm EST
Water Tower Research Fireside Chat
November 10, 2021 • 2:00pm EST
Third Quarter 2021 Conference Call
November 4, 2021 • 4:30pm EST
Investor Webcast
October 27, 2021 • 2:00pm EST
23rd Annual H.C. Wainwright Global Investment Conference
September 13 – September 15, 2021
Second Quarter 2021 Conference Call
July 29, 2021 • 4:30pm EST
2021 Annual Meeting of Stockholders
May 11, 2021 • 11:00am EST
First Quarter 2021 Conference Call
April 29, 2021 • 4:30pm EST
Fourth Quarter 2020 Conference Call
February 25, 2021 • 4:30pm EST
Investor Call
January 27, 2021 • 2:00pm EST
13th Annual LD Micro Main Event Conference
December 15, 2020 • 2:00pm EST
Virtual Fall Investor Summit
November 16, 2020 • 1:30pm EST
Third Quarter 2020 Conference Call
October 22, 2020 • 4:30pm EST
H.C. Wainwright 22nd Annual Global Investment Conference
September 16, 2020 • 9:30am EST
LD 500 Conference
September 3, 2020
Second Quarter 2020 Conference Call
August 4, 2020 • 4:30pm EST
Sidoti Virtual Conference
June 30, 2020 • 4:00pm EST
2020 Annual Meeting of Stockholders
May 19, 2020 • 8:00am PST
First Quarter 2020 Conference Call
April 30, 2020 • 4:30pm EST
Gabelli Waste & Environmental Services Conference
April 2, 2020 • 1:45pm EST
Fourth Quarter 2019 Conference Call
March 11, 2020 • 4:30pm EST
Third Quarter 2019 Conference Call
November 12, 2019 • 4:30pm EST
Aqua Metals Investor Presentation
October 10, 2019 • 11:00am EST
8th Annual Gateway Conference
September 5, 2019 • 7:30am PST
Canaccord Genuity’s 39th Annual Growth Conference
August 8, 2019 • 10:00am EST
Second Quarter 2019 Conference Call
August 1, 2019 • 8:00am PST
20th Annual B. Riley FBR Investor Conference
May 23, 2019 • 3:00pm PST
First Quarter 2019 Conference Call (UPDATED)
May 14, 2019 • 1:30pm PST
Special Meeting of Stockholders
May 9, 2019 • 8:00am PST
2019 Annual Meeting of Stockholders
March 27, 2019 • 8:15am PST
2019 LD Micro Virtual Conference
March 13, 2019 • 12:00pm PST
Fourth Quarter 2018 Conference Call
February 28, 2019 • 4:30pm EST
6th Annual ROTH New Industrials Corporate Access Day
December 11, 2018
Third Quarter 2018 Conference Call
November 7, 2018 • 4:30pm EST
Second Quarter 2018 Conference Call
August 8, 2018 • 4:30pm EST
First Quarter 2018 Conference Call
May 9, 2018 • 1:30pm PST
Fourth Quarter 2017 Conference Call
March 15, 2018 • 2:00pm PST
Third Quarter 2017 Conference Call
November 9, 2017 • 2:00pm EST
Second Quarter 2017 Conference Call
August 9, 2017 • 2:00pm PST
Oppenheimer Emerging Growth Conference
May 16, 2017
First Quarter 2017 Conference Call
May 9, 2017 • 2:00pm PST
29th Annual Roth Conference
March 14, 2017 • 12:00pm PST
Fourth Quarter 2016 Conference Call
February 14, 2017 • 8:00am PST