# Lyell Immunopharma, Inc.: filings

LYEL · Nasdaq · CIK 1806952 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

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

## Reports and events: 86 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 (4 139, 8-K 56, 3 26, 10-Q 16, CORRESP 12, SCHEDULE 13G/A 11, UPLOAD 9, 144 8, EFFECT 8, S-3 7, SC 13G 7, S-8 6, 10-K 5, DEF 14A 5, SC 13G/A 5, 424B5 4, ARS 4, SCHEDULE 13G 4, DEFA14A 3, 8-K/A 2, SEC STAFF LETTER 2, 424B4 1, 8-A12B 1, CERT 1, D 1, DRS 1, DRS/A 1, DRSLTR 1, PRE 14A 1, S-1 1, S-1/A 1, S-3ASR 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-10 | 20:13 ET | [8-K](/filings/0001193125-26-387890.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-387890 |
| 2026-08-06 | 20:27 ET | [10-Q](/filings/0001628280-26-054367.md) | Quarterly report, period 2026-06-30 | 0001628280-26-054367 |
| 2026-08-06 | 20:14 ET | [8-K](/filings/0001628280-26-054330.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-054330 |
| 2026-06-15 | 20:05 ET | [8-K](/filings/0001193125-26-271071.md) | 5.07 Shareholder vote results | 0001193125-26-271071 |
| 2026-05-06 | 20:14 ET | [10-Q](/filings/0001628280-26-031284.md) | Quarterly report, period 2026-03-31 | 0001628280-26-031284 |
| 2026-05-06 | 20:10 ET | [8-K](/filings/0001628280-26-031269.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-031269 |
| 2026-04-24 | 20:05 ET | [DEF 14A](/filings/0001140361-26-016686.md) | Proxy statement, period 2026-06-10 | 0001140361-26-016686 |
| 2026-03-12 | 20:16 ET | [10-K](/filings/0001628280-26-017253.md) | Annual report, period 2025-12-31 | 0001628280-26-017253 |
| 2026-03-12 | 20:12 ET | [8-K](/filings/0001628280-26-017244.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-017244 |
| 2026-03-09 | 12:05 ET | [8-K](/filings/0001193125-26-097615.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-097615 |
| 2025-12-08 | 11:02 ET | [8-K](/filings/0001193125-25-310469.md) | 8.01 Other events | 0001193125-25-310469 |
| 2025-12-05 | 21:05 ET | [8-K](/filings/0001193125-25-309621.md) | 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001193125-25-309621 |
| 2025-11-12 | 21:20 ET | [10-Q](/filings/0001628280-25-051619.md) | Quarterly report, period 2025-09-30 | 0001628280-25-051619 |
| 2025-11-12 | 21:12 ET | [8-K](/filings/0001628280-25-051603.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-051603 |
| 2025-11-10 | 12:32 ET | [8-K](/filings/0001193125-25-273269.md) | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-273269 |
| 2025-11-03 | 13:30 ET | [8-K](/filings/0001193125-25-261753.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-261753 |
| 2025-09-16 | 20:22 ET | [8-K](/filings/0001193125-25-205020.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-205020 |
| 2025-08-12 | 20:13 ET | [10-Q](/filings/0001806952-25-000008.md) | Quarterly report, period 2025-06-30 | 0001806952-25-000008 |
| 2025-08-12 | 20:10 ET | [8-K](/filings/0001806952-25-000007.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001806952-25-000007 |
| 2025-07-25 | 12:05 ET | [8-K](/filings/0001193125-25-164853.md) | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-164853 |
| 2025-06-26 | 20:07 ET | [8-K](/filings/0001193125-25-148897.md) | 3.02 Unregistered sale of equity | 0001193125-25-148897 |
| 2025-06-17 | 12:49 ET | [8-K](/filings/0001193125-25-141795.md) | 8.01 Other events | 0001193125-25-141795 |
| 2025-06-09 | 20:23 ET | [8-K](/filings/0001193125-25-137853.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-137853 |
| 2025-05-28 | 20:00 ET | [8-K](/filings/0001193125-25-129448.md) | 3.03 Change to security holders’ rights; 9.01 Financial statements and exhibits | 0001193125-25-129448 |
| 2025-05-21 | 20:05 ET | [8-K](/filings/0001193125-25-123970.md) | 5.07 Shareholder vote results | 0001193125-25-123970 |
| 2025-05-13 | 20:41 ET | [10-Q](/filings/0001628280-25-025135.md) | Quarterly report, period 2025-03-31 | 0001628280-25-025135 |
| 2025-05-13 | 20:39 ET | [8-K](/filings/0001628280-25-025128.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-025128 |
| 2025-04-21 | 20:05 ET | [DEF 14A](/filings/0001140361-25-014721.md) | Proxy statement, period 2025-05-15 | 0001140361-25-014721 |
| 2025-04-01 | 21:01 ET | [8-K](/filings/0001193125-25-070521.md) | 2.05 Exit or disposal costs; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure | 0001193125-25-070521 |
| 2025-03-11 | 20:13 ET | [10-K](/filings/0001628280-25-011978.md) | Annual report, period 2024-12-31 | 0001628280-25-011978 |
| 2025-03-11 | 20:07 ET | [8-K](/filings/0001628280-25-011960.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-011960 |
| 2025-01-24 | 21:39 ET | [8-K](/filings/0001193125-25-012249.md) | 3.01 Delisting notice | 0001193125-25-012249 |
| 2025-01-10 | 14:10 ET | [8-K/A](/filings/0001628280-25-001065.md) | 9.01 Financial statements and exhibits | 0001628280-25-001065 |
| 2024-12-10 | 02:03 ET | [8-K](/filings/0001193125-24-273688.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-273688 |
| 2024-11-26 | 21:05 ET | [8-K](/filings/0001193125-24-266101.md) | 5.02 Departure or appointment of officers or directors | 0001193125-24-266101 |
| 2024-11-07 | 21:16 ET | [10-Q](/filings/0001628280-24-046285.md) | Quarterly report, period 2024-09-30 | 0001628280-24-046285 |
| 2024-11-07 | 21:09 ET | [8-K](/filings/0001628280-24-046254.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-046254 |
| 2024-10-31 | 20:45 ET | [8-K](/filings/0001193125-24-248760.md) | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-248760 |
| 2024-10-24 | 20:06 ET | [8-K](/filings/0001193125-24-242808.md) | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-242808 |
| 2024-08-07 | 20:10 ET | [10-Q](/filings/0001628280-24-035617.md) | Quarterly report, period 2024-06-30 | 0001628280-24-035617 |
| 2024-08-07 | 20:06 ET | [8-K](/filings/0001628280-24-035603.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-035603 |
| 2024-06-26 | 12:32 ET | [8-K](/filings/0001193125-24-168597.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-168597 |
| 2024-06-14 | 20:07 ET | [8-K](/filings/0001193125-24-161601.md) | 5.07 Shareholder vote results | 0001193125-24-161601 |
| 2024-05-06 | 12:06 ET | [10-Q](/filings/0001628280-24-020467.md) | Quarterly report, period 2024-03-31 | 0001628280-24-020467 |
| 2024-05-06 | 12:03 ET | [8-K](/filings/0001628280-24-020466.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-020466 |
| 2024-04-22 | 20:15 ET | [DEF 14A](/filings/0001140361-24-021008.md) | Proxy statement, period 2023-06-14 | 0001140361-24-021008 |
| 2024-02-28 | 21:13 ET | [10-K](/filings/0001628280-24-007592.md) | Annual report, period 2023-12-31 | 0001628280-24-007592 |
| 2024-02-28 | 21:07 ET | [8-K](/filings/0001628280-24-007579.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-007579 |
| 2023-11-20 | 21:26 ET | [8-K](/filings/0001193125-23-280680.md) | 5.02 Departure or appointment of officers or directors | 0001193125-23-280680 |
| 2023-11-07 | 21:14 ET | [10-Q](/filings/0001628280-23-037360.md) | Quarterly report, period 2023-09-30 | 0001628280-23-037360 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:07 ET. No prices; not investment advice.