Company · CIK 1621227 # Adaptimmune Therapeutics PLC | CIK | [1621227](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001621227) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2836 — Biological Products, (No Diagnostic Substances) | | Incorporated in | X0 | | Listed | ADAPY (OTC) | | First annual or quarterly report | 2015-10-13 | ## Offerings 7 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-286639 | Shelf Withdrawn | 2025-04-18 | 2026-04-22 | 3 | | 333-264208 | Shelf Effective | 2022-04-08 | 2022-04-28 | 3 | | 333-243743 | Shelf Effective | 2020-08-10 | 2020-08-10 | 1 | | 333-233557 | Shelf Effective | 2019-08-30 | 2020-06-02 | 6 | | 333-226147 | Shelf Effective | 2018-07-12 | 2018-09-05 | 2 | | 333-212713 | Shelf Effective | 2016-07-28 | 2017-04-05 | 5 | | 333-203267 | IPO Final prospectus | 2015-04-06 | 2015-05-07 | 5 | ## Filings 28 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-04-22 | [RW](https://www.sec.gov/Archives/edgar/data/1621227/000110465926046473/0001104659-26-046473-index.htm) Withdrawn | 333-286639 | 0001104659-26-046473 | | 2025-11-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1621227/999999999525003290/9999999995-25-003290-index.htm) Declared effective | 333-286639 | 9999999995-25-003290 | | 2025-04-18 | [S-3](https://www.sec.gov/Archives/edgar/data/1621227/000110465925036359/0001104659-25-036359-index.htm) Shelf registered | 333-286639 | 0001104659-25-036359 | | 2023-04-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1621227/999999999523000997/9999999995-23-000997-index.htm) Declared effective | 333-271145 | 9999999995-23-000997 | | 2022-04-28 | [424B5](https://www.sec.gov/Archives/edgar/data/1621227/000110465922051654/0001104659-22-051654-index.htm) Shelf takedown | 333-264208 | 0001104659-22-051654 | | 2022-04-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1621227/999999999522001066/9999999995-22-001066-index.htm) Declared effective | 333-264208 | 9999999995-22-001066 | | 2022-04-08 | [S-3](https://www.sec.gov/Archives/edgar/data/1621227/000110465922044275/0001104659-22-044275-index.htm) Shelf registered | 333-264208 | 0001104659-22-044275 | | 2020-08-10 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1621227/000110465920092818/0001104659-20-092818-index.htm) Shelf registered | 333-243743 | 0001104659-20-092818 | | 2020-06-02 | [424B5](https://www.sec.gov/Archives/edgar/data/1621227/000104746920003304/0001047469-20-003304-index.htm) Shelf takedown | 333-233557 | 0001047469-20-003304 | | 2020-06-01 | [424B5](https://www.sec.gov/Archives/edgar/data/1621227/000104746920003280/0001047469-20-003280-index.htm) Shelf takedown | 333-233557 | 0001047469-20-003280 | | 2020-01-22 | [424B5](https://www.sec.gov/Archives/edgar/data/1621227/000104746920000402/0001047469-20-000402-index.htm) Shelf takedown | 333-233557 | 0001047469-20-000402 | | 2020-01-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1621227/000104746920000356/0001047469-20-000356-index.htm) Shelf takedown | 333-233557 | 0001047469-20-000356 | | 2019-09-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1621227/999999999519002055/9999999995-19-002055-index.htm) Declared effective | 333-233557 | 9999999995-19-002055 | | 2019-08-30 | [S-3](https://www.sec.gov/Archives/edgar/data/1621227/000110465919048197/0001104659-19-048197-index.htm) Shelf registered | 333-233557 | 0001104659-19-048197 | | 2018-09-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1621227/000104746918005954/0001047469-18-005954-index.htm) Shelf takedown | 333-226147 | 0001047469-18-005954 | | 2018-07-12 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1621227/000104746918005006/0001047469-18-005006-index.htm) Shelf registered | 333-226147 | 0001047469-18-005006 | | 2017-04-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1621227/000104746917002347/0001047469-17-002347-index.htm) Shelf takedown | 333-212713 | 0001047469-17-002347 | | 2017-03-22 | [424B5](https://www.sec.gov/Archives/edgar/data/1621227/000104746917001894/0001047469-17-001894-index.htm) Shelf takedown | 333-212713 | 0001047469-17-001894 | | 2017-03-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1621227/000104746917001854/0001047469-17-001854-index.htm) Shelf takedown | 333-212713 | 0001047469-17-001854 | | 2016-09-12 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1621227/999999999516005670/9999999995-16-005670-index.htm) Declared effective | 333-212713 | 9999999995-16-005670 | | 2016-07-28 | [S-3](https://www.sec.gov/Archives/edgar/data/1621227/000104746916014500/0001047469-16-014500-index.htm) Shelf registered | 333-212713 | 0001047469-16-014500 | | 2015-05-07 | [424B4](https://www.sec.gov/Archives/edgar/data/1621227/000104746915004459/0001047469-15-004459-index.htm) Final prospectus | 333-203267 | 0001047469-15-004459 | | 2015-05-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1621227/999999999515001245/9999999995-15-001245-index.htm) Declared effective | 333-203642 | 9999999995-15-001245 | | 2015-05-05 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1621227/999999999515001227/9999999995-15-001227-index.htm) Declared effective | 333-203267 | 9999999995-15-001227 | | 2015-05-01 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1621227/000104746915004272/0001047469-15-004272-index.htm) Amendment | 333-203267 | 0001047469-15-004272 | | 2015-04-27 | [F-1/A](https://www.sec.gov/Archives/edgar/data/1621227/000104746915003918/0001047469-15-003918-index.htm) Amendment | 333-203267 | 0001047469-15-003918 | | 2015-04-06 | [F-1](https://www.sec.gov/Archives/edgar/data/1621227/000104746915003218/0001047469-15-003218-index.htm) Registration filed | 333-203267 | 0001047469-15-003218 | | 2015-02-05 | [DRS](https://www.sec.gov/Archives/edgar/data/1621227/000091205715000017/0000912057-15-000017-index.htm) Draft made public | 377-00913 | 0000912057-15-000017 | [All filings of this company](https://equitycapital.markets/filings?cik=1621227) · [CSV](https://equitycapital.markets/filings.csv?cik=1621227) --- Source page: https://equitycapital.markets/company/1621227 · Data: U.S. SEC EDGAR · CC BY 4.0