--- title: "LiquidPiston, Inc. SEC filings" url: https://altstreet.investments/edgar/1446275 kind: edgar-entity updated: 2026-07-31 publisher: AltStreet (https://altstreet.investments) license: Public factual pages may be read, quoted and cited with attribution and a link. Bulk redistribution is not permitted. --- # LiquidPiston, Inc.: SEC filings and what they report LiquidPiston, Inc. (CIK 0001446275) filed an amended Form D on 2019-06-07 claiming exemptions under 506(b), 506(c), Rule 504, and 4(a)(5). Total amount sold and investor count are not disclosed in this pre-open filing. The entity is associated with Wefunder, a pre-IPO crowdfunding platform with 101 related EDGAR entities. | Field | Value | | --- | --- | | Entity | LiquidPiston, Inc. | | CIK | 1446275 | | Filing family | 506(b), 506(c), Rule 504, 4(a)(5) | | Entity type | platform company | | Manager (as filed) | Wefunder | | Platform | Wefunder (https://altstreet.investments/platforms/reviews/wefunder) | | Newest fact-bearing filing | June 7, 2019, accession 0001446275-19-000003 | | Total sold (as reported) | $0 | | Vintage | 2019 | ## Filings (71 on record, newest first) | Date | Form | Family | SEC link | | --- | --- | --- | --- | | October 19, 2026 | C-U | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000144627526000013/ | | August 12, 2026 | C/A | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000144627526000011/ | | June 17, 2026 | 1-SA | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316826004892/ | | June 10, 2026 | C-AR/A | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000168316826004687/ | | June 4, 2026 | C/A | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000144627526000008/ | | April 14, 2026 | C | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000144627526000005/ | | March 24, 2026 | D | Form D | https://www.sec.gov/Archives/edgar/data/1446275/000144627526000001/ | | January 28, 2026 | C-AR | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000168316826000581/ | | January 22, 2026 | 1-K | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316826000460/ | | June 12, 2025 | 1-SA | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316825004432/ | | January 28, 2025 | C-AR | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000168316825000566/ | | January 24, 2025 | 1-K | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316825000524/ | | December 11, 2024 | C-U | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000164460024000119/ | | November 22, 2024 | D | Form D | https://www.sec.gov/Archives/edgar/data/1446275/000180280624000044/ | | August 27, 2024 | 1-U | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316824006043/ | | August 1, 2024 | C | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000164460024000069/ | | June 25, 2024 | 1-SA | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316824004445/ | | January 31, 2024 | C-AR | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000167025424000088/ | | January 24, 2024 | 1-K | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316824000428/ | | December 6, 2023 | 1-U | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316823008647/ | | October 25, 2023 | D | Form D | https://www.sec.gov/Archives/edgar/data/1446275/000144627523000002/ | | September 27, 2023 | 1-SA | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316823006736/ | | September 26, 2023 | 253G2 | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316823006689/ | | July 21, 2023 | 253G2 | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316823005031/ | | April 28, 2023 | 1-K | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316823002725/ | | April 28, 2023 | C-AR | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000167025423000468/ | | October 26, 2022 | 253G2 | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316822007065/ | | October 25, 2022 | QUALIF | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/999999999422000409/ | | October 19, 2022 | 1-A/A | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316822006959/ | | September 27, 2022 | 1-SA | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316822006619/ | | June 2, 2022 | 1-K/A | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316822004138/ | | May 26, 2022 | 1-A | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316822004010/ | | May 17, 2022 | C-AR | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000167025422000585/ | | March 29, 2022 | 1-K | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316822002052/ | | March 17, 2022 | 1-U | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316822001728/ | | September 28, 2021 | 1-SA | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316821004553/ | | June 29, 2021 | D | Form D | https://www.sec.gov/Archives/edgar/data/1446275/000144627521000001/ | | May 26, 2021 | 253G2 | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316821002233/ | | April 30, 2021 | C-AR | Form C | https://www.sec.gov/Archives/edgar/data/1446275/000167025421000617/ | | April 27, 2021 | 1-K | Form 1-A | https://www.sec.gov/Archives/edgar/data/1446275/000168316821001550/ | ## More - Entity page (HTML, with events, parties and the platform record): https://altstreet.investments/edgar/1446275 - SEC EDGAR filing index: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001446275&owner=include&count=40 - Other issuers on Wefunder: https://altstreet.investments/deals/platform/wefunder - Signal history, evidence passages and the entity graph are AltStreet Terminal features: https://altstreet.investments/terminal --- Source page: https://altstreet.investments/edgar/1446275 Machine index: https://altstreet.investments/llms.txt AltStreet reads what platforms, funds and issuers file with the SEC and what they tell investors, and publishes the difference. Figures are as filed or as captured on the date stated; nothing here is investment advice.