# Hyliion Holdings Corp.: filings

HYLN · NYSE · CIK 1759631 · [Consumer discretionary](/sectors/consumer-discretionary.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/hyln.md) · [Financials](/companies/hyln/financials.md) · [Filings](/companies/hyln/filings.md) · [Insiders](/companies/hyln/insiders.md)

## Reports and events: 120 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 362, 8-K 70, 3 34, 144 24, 10-Q 23, 424B3 19, DEFA14A 19, SC 13G 16, SC 13G/A 16, CORRESP 8, 10-K 7, 4/A 6, DEF 14A 6, SD 6, UPLOAD 6, EFFECT 5, SC 13D/A 4, 8-A12B 3, CERT 3, S-8 3, 25-NSE 2, 8-K/A 2, POS AM 2, PRER14A 2, S-1 2, S-1/A 2, SC 13D 2, 10-K/A 1, 10-Q/A 1, 25 1, 3/A 1, 424B4 1, 424B5 1, ARS 1, DEFM14A 1, DRS 1, DRS/A 1, DRSLTR 1, PREM14A 1, S-3 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-02 | 21:56 ET | [8-K](/filings/0001628280-26-064324.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001628280-26-064324 |
| 2026-08-11 | 20:28 ET | [10-Q](/filings/0001628280-26-055738.md) | Quarterly report, period 2026-06-30 | 0001628280-26-055738 |
| 2026-08-11 | 20:27 ET | [8-K](/filings/0001628280-26-055735.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-055735 |
| 2026-07-24 | 22:18 ET | [8-K](/filings/0001628280-26-049453.md) | 8.01 Other events | 0001628280-26-049453 |
| 2026-05-19 | 20:18 ET | [8-K](/filings/0001628280-26-036465.md) | 5.07 Shareholder vote results | 0001628280-26-036465 |
| 2026-05-12 | 20:16 ET | [10-Q](/filings/0001628280-26-034116.md) | Quarterly report, period 2026-03-31 | 0001628280-26-034116 |
| 2026-05-12 | 20:14 ET | [8-K](/filings/0001628280-26-034113.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-034113 |
| 2026-04-08 | 23:35 ET | [DEF 14A](/filings/0001628280-26-024125.md) | Proxy statement, period 2026-05-19 | 0001628280-26-024125 |
| 2026-02-25 | 22:47 ET | [10-K](/filings/0001628280-26-011278.md) | Annual report, period 2025-12-31 | 0001628280-26-011278 |
| 2026-02-25 | 22:46 ET | [8-K](/filings/0001628280-26-011277.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-011277 |
| 2025-11-12 | 12:36 ET | [10-Q](/filings/0001628280-25-051326.md) | Quarterly report, period 2025-09-30 | 0001628280-25-051326 |
| 2025-11-12 | 12:34 ET | [8-K](/filings/0001628280-25-051324.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-051324 |
| 2025-08-12 | 20:38 ET | [10-Q](/filings/0001759631-25-000132.md) | Quarterly report, period 2025-06-30 | 0001759631-25-000132 |
| 2025-08-12 | 20:36 ET | [8-K](/filings/0001759631-25-000131.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001759631-25-000131 |
| 2025-05-21 | 20:05 ET | [8-K](/filings/0001213900-25-046438.md) | 5.07 Shareholder vote results | 0001213900-25-046438 |
| 2025-05-13 | 20:10 ET | [10-Q](/filings/0001759631-25-000088.md) | Quarterly report, period 2025-03-31 | 0001759631-25-000088 |
| 2025-05-13 | 20:09 ET | [8-K](/filings/0001759631-25-000087.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001759631-25-000087 |
| 2025-04-08 | 21:20 ET | [DEF 14A](/filings/0001759631-25-000081.md) | Proxy statement, period 2025-05-20 | 0001759631-25-000081 |
| 2025-02-25 | 21:21 ET | [10-K](/filings/0001759631-25-000051.md) | Annual report, period 2024-12-31 | 0001759631-25-000051 |
| 2025-02-25 | 21:20 ET | [8-K](/filings/0001759631-25-000050.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001759631-25-000050 |
| 2024-11-14 | 21:13 ET | [10-Q](/filings/0001759631-24-000181.md) | Quarterly report, period 2024-09-30 | 0001759631-24-000181 |
| 2024-11-14 | 21:12 ET | [8-K](/filings/0001759631-24-000180.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001759631-24-000180 |
| 2024-11-05 | 21:28 ET | [8-K](/filings/0001759631-24-000170.md) | 3.01 Delisting notice; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001759631-24-000170 |
| 2024-08-06 | 20:53 ET | [10-Q](/filings/0001759631-24-000127.md) | Quarterly report, period 2024-06-30 | 0001759631-24-000127 |
| 2024-08-06 | 20:52 ET | [8-K](/filings/0001759631-24-000126.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001759631-24-000126 |
| 2024-05-23 | 20:30 ET | [8-K](/filings/0001759631-24-000096.md) | 5.07 Shareholder vote results | 0001759631-24-000096 |
| 2024-05-01 | 21:37 ET | [10-Q](/filings/0001759631-24-000089.md) | Quarterly report, period 2024-03-31 | 0001759631-24-000089 |
| 2024-05-01 | 21:36 ET | [8-K](/filings/0001759631-24-000088.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001759631-24-000088 |
| 2024-04-10 | 20:53 ET | [DEF 14A](/filings/0001759631-24-000083.md) | Proxy statement, period 2024-05-21 | 0001759631-24-000083 |
| 2024-04-04 | 17:06 ET | [8-K](/filings/0001759631-24-000078.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001759631-24-000078 |
| 2024-03-04 | 13:31 ET | [8-K](/filings/0001759631-24-000065.md) | 3.01 Delisting notice; 9.01 Financial statements and exhibits | 0001759631-24-000065 |
| 2024-02-13 | 21:44 ET | [8-K](/filings/0001759631-24-000016.md) | 5.02 Departure or appointment of officers or directors | 0001759631-24-000016 |
| 2024-02-13 | 21:43 ET | [10-K](/filings/0001759631-24-000015.md) | Annual report, period 2023-12-31 | 0001759631-24-000015 |
| 2024-02-13 | 21:42 ET | [8-K](/filings/0001759631-24-000014.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001759631-24-000014 |
| 2023-12-20 | 14:05 ET | [8-K](/filings/0001759631-23-000122.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001759631-23-000122 |
| 2023-11-08 | 21:35 ET | [10-Q](/filings/0001759631-23-000095.md) | Quarterly report, period 2023-09-30 | 0001759631-23-000095 |
| 2023-11-08 | 21:34 ET | [8-K](/filings/0001759631-23-000094.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001759631-23-000094 |
| 2023-10-10 | 21:05 ET | [8-K](/filings/0001759631-23-000088.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001759631-23-000088 |
| 2023-08-09 | 23:54 ET | [10-Q](/filings/0001759631-23-000071.md) | Quarterly report, period 2023-06-30 | 0001759631-23-000071 |
| 2023-08-09 | 23:52 ET | [8-K](/filings/0001759631-23-000070.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001759631-23-000070 |
| 2023-06-27 | 11:00 ET | [8-K](/filings/0001213900-23-051834.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001213900-23-051834 |
| 2023-05-25 | 20:32 ET | [8-K](/filings/0001759631-23-000050.md) | 5.07 Shareholder vote results | 0001759631-23-000050 |
| 2023-05-09 | 21:23 ET | [10-Q](/filings/0001759631-23-000047.md) | Quarterly report, period 2023-03-31 | 0001759631-23-000047 |
| 2023-05-09 | 21:22 ET | [8-K](/filings/0001759631-23-000046.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001759631-23-000046 |
| 2023-04-07 | 20:54 ET | [DEF 14A](/filings/0001759631-23-000034.md) | Proxy statement | 0001759631-23-000034 |
| 2023-03-17 | 21:15 ET | [8-K](/filings/0001213900-23-021085.md) | 5.02 Departure or appointment of officers or directors | 0001213900-23-021085 |
| 2023-03-08 | 13:00 ET | [8-K](/filings/0001213900-23-018369.md) | 8.01 Other events | 0001213900-23-018369 |
| 2023-02-28 | 21:32 ET | [10-K](/filings/0001759631-23-000011.md) | Annual report, period 2022-12-31 | 0001759631-23-000011 |
| 2023-02-28 | 21:30 ET | [8-K](/filings/0001759631-23-000010.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001759631-23-000010 |
| 2023-02-21 | 00:00 ET | [8-K](/filings/0001759631-23-000004.md) | 8.01 Other events | 0001759631-23-000004 |

Page 1 of 3. [Older](/companies/hyln/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:15 ET. No prices; not investment advice.