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Hyliion Holdings Corp. — 4/A Filings

6 4/A filings on record

This page lists all 4/A filings submitted to the SEC by Hyliion Holdings Corp. (HYLN), sorted by most recent first. Each row links to the full filing on EdgarLookup. Hyliion Holdings Corp. has filed 6 4/A documents with the SEC since 2018. To view all SEC filings by Hyliion Holdings Corp., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 10-Q/A 144 25 25-NSE 3 3/A 4 4/A 424B3 424B4 8-A12B 8-K 8-K/A ARS CERT CORRESP DEF 14A DEFA14A DEFM14A DRS DRS/A DRSLTR EFFECT POS AM PREM14A PRER14A S-1 S-1/A S-3 S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
4/A FORM 4/A 0001628280-25-052976 Nov 18, 2025 Aug 25, 2025
4/A FORM 4/A 0001628280-25-052974 Nov 18, 2025 Aug 25, 2025
4/A FORM 4/A 0001628280-25-052972 Nov 18, 2025 Aug 25, 2025
4/A FORM 4/A 0001628280-25-052744 Nov 17, 2025 Aug 25, 2025
4/A FORM 4/A 0001759631-22-000030 Jun 27, 2022 Feb 28, 2022
4/A FORM 4/A 0001759631-21-000025 Jul 7, 2021 Jun 30, 2021