Information Services Group Inc. — DEFA14A Filings
10 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by Information Services Group Inc. (III), sorted by most recent first. Each row links to the full filing on EdgarLookup. Information Services Group Inc. has filed 10 DEFA14A documents with the SEC since 2006. To view all SEC filings by Information Services Group Inc., see the full filings list.
All
10-K
10-Q
10-Q/A
144
25
25-NSE
3
3/A
4
4/A
424B3
424B4
5
8-A12B
8-A12B/A
8-A12G
8-K
8-K/A
CERTAMX
CERTNAS
CORRESP
D
DEF 14A
DEFA14A
DEFM14A
EFFECT
POS AM
PREM14A
PRER14A
RW
S-1
S-1/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001140361-26-008998 | Mar 11, 2026 | — |
| DEFA14A | DEFA14A | 0001140361-25-008786 | Mar 14, 2025 | — |
| DEFA14A | DEFA14A | 0001140361-24-013243 | Mar 14, 2024 | — |
| DEFA14A | DEFA14A | 0001140361-23-011787 | Mar 15, 2023 | — |
| DEFA14A | DEFA14A | 0001140361-22-010101 | Mar 18, 2022 | — |
| DEFA14A | DEFA14A | 0001104659-21-038340 | Mar 18, 2021 | — |
| DEFA14A | DEFA14A | 0001104659-20-036903 | Mar 20, 2020 | — |
| DEFA14A | DEFA14A | 0001104659-19-016574 | Mar 21, 2019 | — |
| DEFA14A | DEFA14A | 0001104659-18-018297 | Mar 16, 2018 | — |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | 0001104659-11-024914 | May 2, 2011 | — |