INNOSPEC INC. — DEF 14A Filings
28 DEF 14A filings on record
This page lists all DEF 14A filings submitted to the SEC by INNOSPEC INC. (IOSP), sorted by most recent first. Each row links to the full filing on EdgarLookup. INNOSPEC INC. has filed 28 DEF 14A documents with the SEC since 2011. To view all SEC filings by INNOSPEC INC., see the full filings list.
All
10-12B
10-12B/A
10-K
10-Q
10-Q/A
15-12B
25
3
3/A
4
4/A
5
8-A12B
8-A12G
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
NT 10-K
NT 10-Q
RW
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001174947-26-000427 | Mar 26, 2026 | May 8, 2026 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001999371-25-003291 | Mar 27, 2025 | May 9, 2025 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001839882-24-009417 | Mar 28, 2024 | May 10, 2024 |
| DEF 14A | DEF 14A | 0001387131-23-003876 | Mar 22, 2023 | — |
| DEF 14A | DEF 14A | 0001193125-22-078834 | Mar 18, 2022 | May 4, 2022 |
| DEF 14A | DEF 14A | 0001193125-21-086655 | Mar 19, 2021 | May 5, 2021 |
| DEF 14A | DEF 14A | 0001193125-20-079831 | Mar 20, 2020 | May 6, 2020 |
| DEF 14A | DEF 14A | 0001193125-19-082675 | Mar 22, 2019 | May 8, 2019 |
| DEF 14A | DEF 14A | 0001193125-18-091327 | Mar 22, 2018 | May 9, 2018 |
| DEF 14A | DEF 14A | 0001193125-17-085858 | Mar 17, 2017 | May 10, 2017 |
| DEF 14A | DEF 14A | 0001193125-16-509399 | Mar 18, 2016 | May 4, 2016 |
| DEF 14A | DEF 14A | 0001193125-15-099215 | Mar 20, 2015 | May 6, 2015 |
| DEF 14A | SCHEDULE 14A | 0001193125-14-109074 | Mar 21, 2014 | May 7, 2014 |
| DEF 14A | SCHEDULE 14A | 0001193125-13-120692 | Mar 22, 2013 | May 8, 2013 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-12-128364 | Mar 23, 2012 | May 9, 2012 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-11-085737 | Apr 1, 2011 | May 11, 2011 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-10-067823 | Mar 26, 2010 | May 12, 2010 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-09-065112 | Mar 27, 2009 | May 7, 2009 |
| DEF 14A | NOTICE AND PROXY | 0001193125-08-070066 | Mar 31, 2008 | May 6, 2008 |
| DEF 14A | PROXY STATEMENT - INNOSPEC INC | 0001193125-07-069351 | Mar 30, 2007 | May 8, 2007 |
| DEF 14A | INNOSPEC NOTICE AND PROXY | 0001193125-06-069367 | Mar 31, 2006 | May 5, 2006 |
| DEF 14A | OCTEL CORP. NOTICE AND PROXY | 0001193125-05-066817 | Mar 31, 2005 | May 3, 2005 |
| DEF 14A | ASSOCIATED OCTEL NOTICE AND PROXY | 0001193125-04-041398 | Mar 15, 2004 | May 4, 2004 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001021408-03-004748 | Mar 24, 2003 | May 6, 2003 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000950109-02-001566 | Mar 25, 2002 | May 7, 2002 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000950109-01-500305 | Mar 26, 2001 | May 8, 2001 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000950109-00-001145 | Mar 27, 2000 | May 9, 2000 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000950109-99-001113 | Mar 30, 1999 | May 11, 1999 |