QUEST DIAGNOSTICS INC — SCHEDULE 13G/A Filings
3 SCHEDULE 13G/A filings on record
This page lists all SCHEDULE 13G/A filings submitted to the SEC by QUEST DIAGNOSTICS INC (DGX), sorted by most recent first. Each row links to the full filing on EdgarLookup. QUEST DIAGNOSTICS INC has filed 3 SCHEDULE 13G/A documents with the SEC since 2016. To view all SEC filings by QUEST DIAGNOSTICS INC, see the full filings list.
All
10-12B
10-12B/A
10-K
10-K/A
10-K405
10-Q
11-K
144
15-15D
25
25-NSE
3
3/A
4
4/A
424B2
424B3
424B4
424B5
424B7
425
5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFR14A
FWP
NO ACT
POS AM
POSASR
PRE 14A
PX14A6G
S-1/A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13E3
SC 13E3/A
SC 13G
SC 13G/A
SC TO-T
SC TO-T/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-002167 | Mar 27, 2026 | — |
| SCHEDULE 13G/A | — | 0000080255-25-000562 | Aug 14, 2025 | — |
| SCHEDULE 13G/A | — | 0001576419-25-000645 | Apr 17, 2025 | — |