COMSCORE, INC. — SCHEDULE 13D/A Filings
5 SCHEDULE 13D/A filings on record
This page lists all SCHEDULE 13D/A filings submitted to the SEC by COMSCORE, INC. (SCOR), sorted by most recent first. Each row links to the full filing on EdgarLookup. COMSCORE, INC. has filed 5 SCHEDULE 13D/A documents with the SEC since 2015. To view all SEC filings by COMSCORE, INC., see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
25-NSE
3
3/A
4
4/A
424B1
424B3
424B4
424B7
425
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERT
CERTNAS
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
DEFR14A
DFAN14A
EFFECT
NT 10-K
NT 10-K/A
NT 10-Q
POS AM
POSASR
PRE 14A
REGDEX
RW
S-1
S-1/A
S-1MEF
S-3
S-3ASR
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14D9
SC14D9C
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13D/A | — | 0001493152-25-029864 | Dec 31, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-125607 | Dec 31, 2025 | — |
| SCHEDULE 13D/A | — | 0001493152-25-016317 | Sep 30, 2025 | — |
| SCHEDULE 13D/A | — | 0001104659-25-095221 | Sep 30, 2025 | — |
| SCHEDULE 13D/A | — | 0001493152-25-010789 | Mar 18, 2025 | — |