HALLIBURTON CO — DEFA14A Filings
23 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by HALLIBURTON CO (HAL), sorted by most recent first. Each row links to the full filing on EdgarLookup. HALLIBURTON CO has filed 23 DEFA14A documents with the SEC since 2018. To view all SEC filings by HALLIBURTON CO, see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
11-K
11-K/A
144
15-12B
3
3/A
4
4/A
424B2
424B3
424B5
425
5
8-A12B
8-A12B/A
8-B12B
8-K
8-K/A
ARS
CERT
CORRESP
DEF 14A
DEFA14A
DFAN14A
EFFECT
FWP
NO ACT
NT 11-K
POS AM
POSASR
PRE 14A
PRER14A
PX14A6G
REGDEX
RW
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0000045012-25-000026 | Apr 1, 2025 | — |
| DEFA14A | DEFA14A | 0000045012-24-000026 | May 3, 2024 | — |
| DEFA14A | DEFA14A | 0000045012-24-000019 | Apr 30, 2024 | — |
| DEFA14A | HALLIBURTON CO - DEFA14A | 0001308179-24-000415 | Apr 2, 2024 | — |
| DEFA14A | HALLIBURTON CO - DEFA14A | 0001308179-23-000505 | Apr 4, 2023 | — |
| DEFA14A | DEFA14A | 0000045012-22-000040 | May 9, 2022 | — |
| DEFA14A | HALLIBURTON CO - DEFA14A | 0001308179-22-000183 | Apr 5, 2022 | — |
| DEFA14A | HALLIBURTON CO - DEFA14A | 0001308179-21-000174 | Apr 6, 2021 | — |
| DEFA14A | 2020 PROXY STATEMENT ADDITIONAL INFORMATION | 0000045012-20-000062 | May 6, 2020 | — |
| DEFA14A | HALLIBURTON CO - DEFA14A | 0001308179-20-000155 | Apr 7, 2020 | — |
| DEFA14A | HALLIBURTON CO - DEFA14A | 0001308179-19-000087 | Apr 2, 2019 | — |
| DEFA14A | HALLIBURTON CO - DEFA14A | 0001308179-18-000120 | Apr 3, 2018 | — |
| DEFA14A | HALLIBURTON CO - DEFA14A | 0001308179-17-000121 | Apr 7, 2017 | — |
| DEFA14A | HALLIBURTON CO - DEFA14A | 0001308179-16-000302 | Apr 5, 2016 | — |
| DEFA14A | HALLIBURTON CO - DEFA14A | 0001308179-15-000114 | Apr 7, 2015 | — |
| DEFA14A | HALLIBURTON CO - DEFA 14A | 0001308179-14-000143 | Apr 8, 2014 | — |
| DEFA14A | DEFA14A | 0000045012-13-000133 | Apr 2, 2013 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-12-147431 | Apr 3, 2012 | — |
| DEFA14A | DEFA14A | 0000950123-11-032418 | Apr 4, 2011 | — |
| DEFA14A | DEFA14A | 0000950123-10-031979 | Apr 5, 2010 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0000950134-09-009403 | May 5, 2009 | — |
| DEFA14A | DEFA14A | 0000950129-09-001144 | Apr 6, 2009 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0000950129-08-002149 | Apr 7, 2008 | — |