Hyliion Holdings Corp. — DEFA14A Filings
19 DEFA14A filings on record
This page lists all DEFA14A 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 19 DEFA14A documents with the SEC since 2018. To view all SEC filings by Hyliion Holdings Corp., see the full filings list.
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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001759631-24-000094 | May 15, 2024 | — |
| DEFA14A | DEFA14A | 0001759631-23-000037 | Apr 10, 2023 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-22-014975 | Mar 25, 2022 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-21-023377 | Apr 29, 2021 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-20-028703 | Sep 28, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-20-028698 | Sep 28, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-20-028546 | Sep 28, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-20-028431 | Sep 25, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-20-028169 | Sep 24, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-20-027613 | Sep 21, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-20-027060 | Sep 17, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-20-026646 | Sep 15, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-20-025963 | Sep 10, 2020 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-20-025961 | Sep 10, 2020 | — |
| DEFA14A | SOLICITING MATERIAL UNDER 240.14A-12 | 0001213900-20-019186 | Jul 30, 2020 | — |
| DEFA14A | SOLICITING MATERIAL UNDER 240.14A-12 | 0001213900-20-018991 | Jul 29, 2020 | — |
| DEFA14A | SOLICITING MATERIAL UNDER 240.14A-12 | 0001213900-20-018078 | Jul 21, 2020 | — |
| DEFA14A | SOLICITING MATERIAL UNDER 240.14A-12 | 0001213900-20-015769 | Jun 25, 2020 | — |
| DEFA14A | CURRENT REPORT | 0001213900-20-015312 | Jun 19, 2020 | — |