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.
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 | — |