INNOSPEC INC. — DEFA14A Filings
20 DEFA14A filings on record
This page lists all DEFA14A 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 20 DEFA14A 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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001174947-26-000428 | Mar 26, 2026 | — |
| DEFA14A | — | 0001999371-25-003297 | Mar 27, 2025 | — |
| DEFA14A | ADDITIONAL DEFINITIVE MATERIALS | 0001839882-24-009419 | Mar 28, 2024 | — |
| DEFA14A | ADDITIONAL DEFINITIVE MATERIALS | 0001387131-23-003878 | Mar 22, 2023 | — |
| DEFA14A | DEFA14A | 0001193125-22-078837 | Mar 18, 2022 | — |
| DEFA14A | DEFA14A | 0001193125-21-086660 | Mar 19, 2021 | — |
| DEFA14A | DEFA14A | 0001193125-20-122696 | Apr 28, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-20-102145 | Apr 9, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-20-086709 | Mar 26, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-20-079846 | Mar 20, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-19-103872 | Apr 11, 2019 | — |
| DEFA14A | DEFA14A | 0001193125-19-082681 | Mar 22, 2019 | — |
| DEFA14A | DEFA14A | 0001193125-18-131406 | Apr 25, 2018 | — |
| DEFA14A | DEFA14A | 0001193125-18-091331 | Mar 22, 2018 | — |
| DEFA14A | DEFA14A | 0001193125-17-086139 | Mar 17, 2017 | — |
| DEFA14A | DEFA14A | 0001193125-16-509406 | Mar 18, 2016 | — |
| DEFA14A | DEFA14A | 0001193125-15-099218 | Mar 20, 2015 | — |
| DEFA14A | SCHEDULE 14A | 0001193125-14-109086 | Mar 21, 2014 | — |
| DEFA14A | DEFA 14A | 0001193125-13-128567 | Mar 27, 2013 | — |
| DEFA14A | DEFINATIVE ADDITIONAL MATERIALS TO SCHEDULE 14A | 0001193125-11-090990 | Apr 7, 2011 | — |