C/A 0001446275 XXXXXXXX 020-36993 LIVE false false false true Extending Campaign End Date and Added New Board Member LiquidPiston, Inc. Corporation DE 06-21-2004 1292a Blue Hills Avenue Bloomfield CT 06002 https://liquidpiston.com/ N StartEngine Primary, LLC 0001725012 008-70060 7 - 13 percent One percent (1%) of securities of the total amount of investments raised in the offering, along the same terms as investors. Common Stock 74073 13.50000 N/A 999985.50 Y Other At issuer's discretion, with priority given to StartEngine Owners 4999981.50 08-27-2026 50 37686528.00 33298412.00 30153080.00 25436722.00 619261.00 1094165.00 7119550.00 5982987.00 157606.00 265651.00 10688298.00 9182407.00 7488342.00 7069226.00 0.00 0.00 -1292081.00 -1524066.00 AL AK AZ AR CA CO CT DC DE FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA PR RI SC SD TN TX UT VT VA WA WV WI WY LiquidPiston, Inc. Alexander Shkolnik President, CEO, Treasurer, Secretary, Board Member Alexander Shkolnik President, CEO, Treasurer, Secretary, Board Member 06-04-2026 Per Suneby SVP, Corporate Development and Board Member 06-04-2026 Nikolay Shkolnik VP, CTO, Co-Founder, Board Member 06-04-2026 Mark Michael Little Board Member 06-04-2026