Company · CIK 1806952 # Lyell Immunopharma, Inc. | CIK | [1806952](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001806952) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | DE | | Business address | CA | | Listed | LYEL (Nasdaq) | | First annual or quarterly report | 2021-08-12 | ## Offerings 9 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-297433 | Shelf Effective | 2026-07-13 | 2026-07-21 | 2 | | 333-294884 | Shelf Effective | 2026-04-03 | 2026-04-14 | 2 | | 333-291970 | Shelf Effective | 2025-12-05 | 2025-12-18 | 3 | | 333-289539 | Shelf Effective | 2025-08-12 | 2025-08-15 | 2 | | 333-288769 | Shelf Effective | 2025-07-18 | 2025-07-31 | 3 | | 333-283533 | Shelf Effective | 2024-11-29 | 2024-12-09 | 3 | | 333-277495 | Shelf Effective | 2024-02-29 | 2024-05-06 | 3 | | 333-266548 | Shelf Effective | 2022-08-04 | 2022-08-04 | 1 | | 333-256470 | IPO Final prospectus | 2021-05-25 | 2021-06-21 | 4 | ## Filings 24 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-07-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1806952/999999999526002375/9999999995-26-002375-index.htm) Declared effective | 333-297433 | 9999999995-26-002375 | | 2026-07-13 | [S-3](https://www.sec.gov/Archives/edgar/data/1806952/000119312526302132/0001193125-26-302132-index.htm) Shelf registered | 333-297433 | 0001193125-26-302132 | | 2026-04-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1806952/999999999526001185/9999999995-26-001185-index.htm) Declared effective | 333-294884 | 9999999995-26-001185 | | 2026-04-03 | [S-3](https://www.sec.gov/Archives/edgar/data/1806952/000119312526142213/0001193125-26-142213-index.htm) Shelf registered | 333-294884 | 0001193125-26-142213 | | 2025-12-18 | [424B5](https://www.sec.gov/Archives/edgar/data/1806952/000119312525324801/0001193125-25-324801-index.htm) Shelf takedown | 333-291970 | 0001193125-25-324801 | | 2025-12-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1806952/999999999525003741/9999999995-25-003741-index.htm) Declared effective | 333-291970 | 9999999995-25-003741 | | 2025-12-05 | [S-3](https://www.sec.gov/Archives/edgar/data/1806952/000119312525309779/0001193125-25-309779-index.htm) Shelf registered | 333-291970 | 0001193125-25-309779 | | 2025-08-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1806952/999999999525002652/9999999995-25-002652-index.htm) Declared effective | 333-289539 | 9999999995-25-002652 | | 2025-08-12 | [S-3](https://www.sec.gov/Archives/edgar/data/1806952/000119312525179042/0001193125-25-179042-index.htm) Shelf registered | 333-289539 | 0001193125-25-179042 | | 2025-07-31 | [424B5](https://www.sec.gov/Archives/edgar/data/1806952/000119312525170528/0001193125-25-170528-index.htm) Shelf takedown | 333-288769 | 0001193125-25-170528 | | 2025-07-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1806952/999999999525002413/9999999995-25-002413-index.htm) Declared effective | 333-288769 | 9999999995-25-002413 | | 2025-07-18 | [S-3](https://www.sec.gov/Archives/edgar/data/1806952/000119312525161227/0001193125-25-161227-index.htm) Shelf registered | 333-288769 | 0001193125-25-161227 | | 2024-12-09 | [424B5](https://www.sec.gov/Archives/edgar/data/1806952/000119312524272943/0001193125-24-272943-index.htm) Shelf takedown | 333-283533 | 0001193125-24-272943 | | 2024-12-05 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1806952/999999999524003682/9999999995-24-003682-index.htm) Declared effective | 333-283533 | 9999999995-24-003682 | | 2024-11-29 | [S-3](https://www.sec.gov/Archives/edgar/data/1806952/000119312524268106/0001193125-24-268106-index.htm) Shelf registered | 333-283533 | 0001193125-24-268106 | | 2024-05-06 | [424B5](https://www.sec.gov/Archives/edgar/data/1806952/000119312524131492/0001193125-24-131492-index.htm) Shelf takedown | 333-277495 | 0001193125-24-131492 | | 2024-05-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1806952/999999999524001369/9999999995-24-001369-index.htm) Declared effective | 333-277495 | 9999999995-24-001369 | | 2024-02-29 | [S-3](https://www.sec.gov/Archives/edgar/data/1806952/000119312524051177/0001193125-24-051177-index.htm) Shelf registered | 333-277495 | 0001193125-24-051177 | | 2022-08-04 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1806952/000119312522212689/0001193125-22-212689-index.htm) Shelf registered | 333-266548 | 0001193125-22-212689 | | 2021-06-21 | [424B4](https://www.sec.gov/Archives/edgar/data/1806952/000119312521193519/0001193125-21-193519-index.htm) Final prospectus | 333-256470 | 0001193125-21-193519 | | 2021-06-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1806952/999999999521002371/9999999995-21-002371-index.htm) Declared effective | 333-256470 | 9999999995-21-002371 | | 2021-06-09 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1806952/000119312521185918/0001193125-21-185918-index.htm) Amendment | 333-256470 | 0001193125-21-185918 | | 2021-05-25 | [S-1](https://www.sec.gov/Archives/edgar/data/1806952/000119312521172500/0001193125-21-172500-index.htm) Registration filed | 333-256470 | 0001193125-21-172500 | | 2021-04-12 | [DRS](https://www.sec.gov/Archives/edgar/data/1806952/000095012321004496/0000950123-21-004496-index.htm) Draft made public | 377-04650 | 0000950123-21-004496 | [All filings of this company](https://equitycapital.markets/filings?cik=1806952) · [CSV](https://equitycapital.markets/filings.csv?cik=1806952) --- Source page: https://equitycapital.markets/company/1806952 · Data: U.S. SEC EDGAR · CC BY 4.0