Company · CIK 1558569 # iSpecimen Inc. | CIK | [1558569](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001558569) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 8731 — Services-Commercial Physical & Biological Research | | Incorporated in | DE | | Business address | MA | | Listed | ISPC (Nasdaq) | | First annual or quarterly report | 2021-08-10 | ## Offerings 11 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-297001 | Registered company Final prospectus | 2026-06-24 | 2026-08-07 | 5 | | 333-296512 | Shelf Effective | 2026-06-04 | 2026-06-17 | 2 | | 333-292804 | Shelf Effective | 2026-01-20 | 2026-01-30 | 2 | | 333-289725 | Registered company Effective | 2025-08-20 | 2025-12-29 | 6 | | 333-291043 | Shelf Dormant | 2025-10-23 | 2025-10-23 | 1 | | 333-286958 | Registered company Final prospectus | 2025-05-02 | 2025-07-25 | 7 | | 333-282736 | Registered company Final prospectus | 2024-10-18 | 2024-10-31 | 3 | | 333-265976 | Shelf Effective | 2022-07-01 | 2024-03-05 | 3 | | 333-266384 | Shelf Effective | 2022-07-29 | 2022-08-05 | 2 | | 333-261640 | Registered company Effective | 2021-12-14 | 2022-06-06 | 3 | | 333-250198 | IPO Final prospectus | 2020-11-19 | 2021-06-21 | 9 | ## Filings 44 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-08-07 | [424B4](https://www.sec.gov/Archives/edgar/data/1558569/000121390026086434/0001213900-26-086434-index.htm) Final prospectus | 333-297001 | 0001213900-26-086434 | | 2026-07-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1558569/999999999526002496/9999999995-26-002496-index.htm) Declared effective | 333-297001 | 9999999995-26-002496 | | 2026-07-17 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000121390026078869/0001213900-26-078869-index.htm) Amendment | 333-297001 | 0001213900-26-078869 | | 2026-07-06 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000121390026075593/0001213900-26-075593-index.htm) Amendment | 333-297001 | 0001213900-26-075593 | | 2026-06-24 | [S-1](https://www.sec.gov/Archives/edgar/data/1558569/000121390026071550/0001213900-26-071550-index.htm) Registration filed | 333-297001 | 0001213900-26-071550 | | 2026-06-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1558569/999999999526002047/9999999995-26-002047-index.htm) Declared effective | 333-296512 | 9999999995-26-002047 | | 2026-06-04 | [S-3](https://www.sec.gov/Archives/edgar/data/1558569/000121390026065389/0001213900-26-065389-index.htm) Shelf registered | 333-296512 | 0001213900-26-065389 | | 2026-06-04 | [DRS](https://www.sec.gov/Archives/edgar/data/1558569/000121390026065021/0001213900-26-065021-index.htm) Draft made public | 377-09436 | 0001213900-26-065021 | | 2026-01-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1558569/999999999526000417/9999999995-26-000417-index.htm) Declared effective | 333-292804 | 9999999995-26-000417 | | 2026-01-20 | [S-3](https://www.sec.gov/Archives/edgar/data/1558569/000121390026005271/0001213900-26-005271-index.htm) Shelf registered | 333-292804 | 0001213900-26-005271 | | 2025-12-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1558569/999999999525003930/9999999995-25-003930-index.htm) Declared effective | 333-289725 | 9999999995-25-003930 | | 2025-12-19 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000121390025123930/0001213900-25-123930-index.htm) Amendment | 333-289725 | 0001213900-25-123930 | | 2025-10-23 | [S-3](https://www.sec.gov/Archives/edgar/data/1558569/000121390025101730/0001213900-25-101730-index.htm) Shelf registered | 333-291043 | 0001213900-25-101730 | | 2025-10-06 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000121390025096648/0001213900-25-096648-index.htm) Amendment | 333-289725 | 0001213900-25-096648 | | 2025-09-08 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000121390025085541/0001213900-25-085541-index.htm) Amendment | 333-289725 | 0001213900-25-085541 | | 2025-08-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000121390025080408/0001213900-25-080408-index.htm) Amendment | 333-289725 | 0001213900-25-080408 | | 2025-08-20 | [S-1](https://www.sec.gov/Archives/edgar/data/1558569/000121390025078951/0001213900-25-078951-index.htm) Registration filed | 333-289725 | 0001213900-25-078951 | | 2025-07-25 | [424B4](https://www.sec.gov/Archives/edgar/data/1558569/000121390025067485/0001213900-25-067485-index.htm) Final prospectus | 333-286958 | 0001213900-25-067485 | | 2025-07-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1558569/999999999525002324/9999999995-25-002324-index.htm) Declared effective | 333-286958 | 9999999995-25-002324 | | 2025-07-08 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000121390025062116/0001213900-25-062116-index.htm) Amendment | 333-286958 | 0001213900-25-062116 | | 2025-06-27 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000121390025059036/0001213900-25-059036-index.htm) Amendment | 333-286958 | 0001213900-25-059036 | | 2025-06-11 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000121390025053464/0001213900-25-053464-index.htm) Amendment | 333-286958 | 0001213900-25-053464 | | 2025-05-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000121390025047292/0001213900-25-047292-index.htm) Amendment | 333-286958 | 0001213900-25-047292 | | 2025-05-02 | [S-1](https://www.sec.gov/Archives/edgar/data/1558569/000121390025039321/0001213900-25-039321-index.htm) Registration filed | 333-286958 | 0001213900-25-039321 | | 2024-10-31 | [424B4](https://www.sec.gov/Archives/edgar/data/1558569/000110465924112853/0001104659-24-112853-index.htm) Final prospectus | 333-282736 | 0001104659-24-112853 | | 2024-10-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1558569/999999999524003308/9999999995-24-003308-index.htm) Declared effective | 333-282736 | 9999999995-24-003308 | | 2024-10-18 | [S-1](https://www.sec.gov/Archives/edgar/data/1558569/000110465924109912/0001104659-24-109912-index.htm) Registration filed | 333-282736 | 0001104659-24-109912 | | 2024-03-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1558569/000110465924030805/0001104659-24-030805-index.htm) Shelf takedown | 333-265976 | 0001104659-24-030805 | | 2022-08-05 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1558569/999999999522002278/9999999995-22-002278-index.htm) Declared effective | 333-266384 | 9999999995-22-002278 | | 2022-07-29 | [S-3](https://www.sec.gov/Archives/edgar/data/1558569/000110465922083793/0001104659-22-083793-index.htm) Shelf registered | 333-266384 | 0001104659-22-083793 | | 2022-07-12 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1558569/999999999522002041/9999999995-22-002041-index.htm) Declared effective | 333-265976 | 9999999995-22-002041 | | 2022-07-01 | [S-3](https://www.sec.gov/Archives/edgar/data/1558569/000110465922076808/0001104659-22-076808-index.htm) Shelf registered | 333-265976 | 0001104659-22-076808 | | 2022-06-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1558569/999999999522001695/9999999995-22-001695-index.htm) Declared effective | 333-261640 | 9999999995-22-001695 | | 2021-12-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1558569/999999999521004815/9999999995-21-004815-index.htm) Declared effective | 333-261640 | 9999999995-21-004815 | | 2021-12-14 | [S-1](https://www.sec.gov/Archives/edgar/data/1558569/000110465921149560/0001104659-21-149560-index.htm) Registration filed | 333-261640 | 0001104659-21-149560 | | 2021-06-21 | [424B4](https://www.sec.gov/Archives/edgar/data/1558569/000110465921082856/0001104659-21-082856-index.htm) Final prospectus | 333-250198 | 0001104659-21-082856 | | 2021-06-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1558569/999999999521002359/9999999995-21-002359-index.htm) Declared effective | 333-250198 | 9999999995-21-002359 | | 2021-05-27 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000110465921073219/0001104659-21-073219-index.htm) Amendment | 333-250198 | 0001104659-21-073219 | | 2021-05-13 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000110465921065952/0001104659-21-065952-index.htm) Amendment | 333-250198 | 0001104659-21-065952 | | 2021-04-27 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000110465921055687/0001104659-21-055687-index.htm) Amendment | 333-250198 | 0001104659-21-055687 | | 2021-04-02 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000110465921046101/0001104659-21-046101-index.htm) Amendment | 333-250198 | 0001104659-21-046101 | | 2021-01-20 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000110465921005820/0001104659-21-005820-index.htm) Amendment | 333-250198 | 0001104659-21-005820 | | 2020-12-31 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1558569/000110465920141041/0001104659-20-141041-index.htm) Amendment | 333-250198 | 0001104659-20-141041 | | 2020-11-19 | [S-1](https://www.sec.gov/Archives/edgar/data/1558569/000110465920127325/0001104659-20-127325-index.htm) Registration filed | 333-250198 | 0001104659-20-127325 | [All filings of this company](https://equitycapital.markets/filings?cik=1558569) · [CSV](https://equitycapital.markets/filings.csv?cik=1558569) --- Source page: https://equitycapital.markets/company/1558569 · Data: U.S. SEC EDGAR · CC BY 4.0