Company · CIK 1532346 # Atreca, Inc. Source: SEC EDGAR · as of 2026-10-27 06:30 UTC · latest filing day 2026-10-26 | CIK | [1532346](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001532346) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | DE | | Business address | CA | | Listed | no ticker on SEC record today | | First annual or quarterly report | 2019-08-13 | ## Offerings 4 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-239654 | Shelf Effective | 2020-07-02 | 2024-03-22 | 4 | | 333-273314 | Shelf Effective | 2023-07-18 | 2024-03-22 | 3 | | 333-239652 | Shelf Effective | 2020-07-02 | 2020-08-12 | 5 | | 333-231770 | IPO Final prospectus | 2019-05-24 | 2019-06-20 | 4 | ## Filings 17 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2024-03-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1532346/999999999524000710/9999999995-24-000710-index.htm) Declared effective | 333-273314 | 9999999995-24-000710 | | 2024-03-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1532346/999999999524000708/9999999995-24-000708-index.htm) Declared effective | 333-239654 | 9999999995-24-000708 | | 2023-08-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1532346/999999999523002431/9999999995-23-002431-index.htm) Declared effective | 333-273314 | 9999999995-23-002431 | | 2023-07-18 | [S-3](https://www.sec.gov/Archives/edgar/data/1532346/000110465923082074/0001104659-23-082074-index.htm) Shelf registered | 333-273314 | 0001104659-23-082074 | | 2020-08-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1532346/000104746920004549/0001047469-20-004549-index.htm) Shelf takedown | 333-239652 | 0001047469-20-004549 | | 2020-08-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1532346/000104746920004545/0001047469-20-004545-index.htm) Shelf takedown | 333-239654 | 0001047469-20-004545 | | 2020-07-17 | [424B5](https://www.sec.gov/Archives/edgar/data/1532346/000104746920004130/0001047469-20-004130-index.htm) Shelf takedown | 333-239652 | 0001047469-20-004130 | | 2020-07-15 | [424B5](https://www.sec.gov/Archives/edgar/data/1532346/000104746920004105/0001047469-20-004105-index.htm) Shelf takedown | 333-239652 | 0001047469-20-004105 | | 2020-07-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1532346/999999999520001772/9999999995-20-001772-index.htm) Declared effective | 333-239654 | 9999999995-20-001772 | | 2020-07-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1532346/999999999520001771/9999999995-20-001771-index.htm) Declared effective | 333-239652 | 9999999995-20-001771 | | 2020-07-02 | [S-3](https://www.sec.gov/Archives/edgar/data/1532346/000104746920003956/0001047469-20-003956-index.htm) Shelf registered | 333-239654 | 0001047469-20-003956 | | 2020-07-02 | [S-3](https://www.sec.gov/Archives/edgar/data/1532346/000104746920003954/0001047469-20-003954-index.htm) Shelf registered | 333-239652 | 0001047469-20-003954 | | 2019-06-20 | [424B4](https://www.sec.gov/Archives/edgar/data/1532346/000104746919003758/0001047469-19-003758-index.htm) Final prospectus | 333-231770 | 0001047469-19-003758 | | 2019-06-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1532346/999999999519001380/9999999995-19-001380-index.htm) Declared effective | 333-231770 | 9999999995-19-001380 | | 2019-06-10 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1532346/000141057819000304/0001410578-19-000304-index.htm) Amendment | 333-231770 | 0001410578-19-000304 | | 2019-05-24 | [S-1](https://www.sec.gov/Archives/edgar/data/1532346/000104746919003318/0001047469-19-003318-index.htm) Registration filed | 333-231770 | 0001047469-19-003318 | | 2019-04-24 | [DRS](https://www.sec.gov/Archives/edgar/data/1532346/000091205719000172/0000912057-19-000172-index.htm) Draft made public | 377-02606 | 0000912057-19-000172 | [All filings of this company](https://equitycapital.markets/filings?cik=1532346) · [CSV](https://equitycapital.markets/filings.csv?cik=1532346) --- Source page: https://equitycapital.markets/company/1532346 · Data: U.S. SEC EDGAR · CC BY 4.0