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iSpecimen Inc. — S-1/A Filings

14 S-1/A filings on record

This page lists all S-1/A filings submitted to the SEC by iSpecimen Inc. (ISPC), sorted by most recent first. Each row links to the full filing on EdgarLookup. iSpecimen Inc. has filed 14 S-1/A documents with the SEC since 2012. To view all SEC filings by iSpecimen Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 3 4 424B3 424B4 424B5 5 8-A12B 8-K 8-K/A ARS CERT CORRESP D DEF 14A DEFA14A EFFECT FWP NT 10-K NT 10-Q POS AM PRE 14A PRER14A S-1 S-1/A S-3 S-8 SC 13D SC 13G SC 13G/A SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
S-1/A AMENDMENT NO. 4 TO FORM S-1 0001213900-25-123930 Dec 19, 2025
S-1/A AMENDMENT NO. 3 TO FORM S-1 0001213900-25-096648 Oct 6, 2025
S-1/A AMENDMENT NO. 2 TO FORM S-1 0001213900-25-085541 Sep 8, 2025
S-1/A AMENDMENT NO. 1 TO FORM S-1 0001213900-25-080408 Aug 25, 2025
S-1/A AMENDMENT NO. 4 TO FORM S-1 0001213900-25-062116 Jul 8, 2025
S-1/A AMENDMENT NO. 3 TO FORM S-1 0001213900-25-059036 Jun 27, 2025
S-1/A AMENDMENT NO. 2 TO FORM S-1 0001213900-25-053464 Jun 11, 2025
S-1/A AMENDMENT NO. 1 TO FORM S-1 0001213900-25-047292 May 23, 2025
S-1/A 424B4 0001104659-21-073219 May 27, 2021
S-1/A S-1/A 0001104659-21-065952 May 13, 2021
S-1/A S-1/A 0001104659-21-055687 Apr 27, 2021
S-1/A S-1/A 0001104659-21-046101 Apr 2, 2021
S-1/A S-1/A 0001104659-21-005820 Jan 20, 2021
S-1/A S-1/A 0001104659-20-141041 Dec 31, 2020