INNOSPEC INC. — SC 13G/A Filings
109 SC 13G/A filings on record
This page lists all SC 13G/A 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 109 SC 13G/A 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 |
|---|---|---|---|---|
| SC 13G/A | SCHEDULE 13G/A | 0001104659-24-021188 | Feb 13, 2024 | — |
| SC 13G/A | — | 0000814133-24-000045 | Feb 9, 2024 | — |
| SC 13G/A | — | 0001086364-24-000776 | Jan 22, 2024 | — |
| SC 13G/A | — | 0001890906-24-000073 | Jan 12, 2024 | — |
| SC 13G/A | — | 0001890906-23-000134 | May 4, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-23-016197 | Feb 9, 2023 | — |
| SC 13G/A | — | 0000906304-23-000069 | Jan 31, 2023 | — |
| SC 13G/A | — | 0001306550-23-004257 | Jan 26, 2023 | — |
| SC 13G/A | — | 0001306550-23-001480 | Jan 20, 2023 | — |
| SC 13G/A | — | 0001890906-23-000097 | Jan 13, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-017810 | Feb 10, 2022 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000354204-22-001564 | Feb 8, 2022 | — |
| SC 13G/A | — | 0001890906-22-000120 | Feb 8, 2022 | — |
| SC 13G/A | — | 0000834237-22-002431 | Jan 27, 2022 | — |
| SC 13G/A | — | 0000834237-22-000796 | Jan 26, 2022 | — |
| SC 13G/A | — | 0000906304-22-000026 | Jan 21, 2022 | — |
| SC 13G/A | — | 0000315066-21-001690 | Aug 10, 2021 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000354204-21-000146 | Feb 12, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-018346 | Feb 10, 2021 | — |
| SC 13G/A | — | 0000315066-21-001060 | Feb 8, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-017221 | Feb 12, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-20-001073 | Feb 12, 2020 | — |
| SC 13G/A | — | 0000315066-20-001029 | Feb 7, 2020 | — |
| SC 13G/A | — | 0000834237-20-002259 | Feb 4, 2020 | — |
| SC 13G/A | — | 0000315066-19-001133 | Feb 13, 2019 | — |
| SC 13G/A | — | 0000932471-19-005683 | Feb 11, 2019 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-19-001492 | Feb 8, 2019 | — |
| SC 13G/A | — | 0000215457-19-001524 | Jan 28, 2019 | — |
| SC 13G/A | — | 0000932471-18-006317 | Jul 10, 2018 | — |
| SC 13G/A | — | 0000315066-18-001331 | Feb 13, 2018 | — |
| SC 13G/A | AMENDED STATEMENT OF ACQUISITION OF BENEFICIAL OWNERSHIP | 0000894189-18-000902 | Feb 13, 2018 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-18-001500 | Feb 9, 2018 | — |
| SC 13G/A | — | 0000932471-18-003466 | Feb 9, 2018 | — |
| SC 13G/A | — | 0000215457-18-001411 | Jan 19, 2018 | — |
| SC 13G/A | — | 0000315066-17-001717 | Feb 14, 2017 | — |
| SC 13G/A | AMENDED STATEMENT OF ACQUISITION OF BENEFICIAL OWNERSHIP | 0000894189-17-000803 | Feb 13, 2017 | — |
| SC 13G/A | — | 0000932471-17-002174 | Feb 10, 2017 | — |
| SC 13G/A | — | 0000080255-17-001020 | Feb 7, 2017 | — |
| SC 13G/A | — | 0000215457-17-000449 | Jan 12, 2017 | — |
| SC 13G/A | — | 0000215457-16-006729 | Sep 9, 2016 | — |
| SC 13G/A | — | 0000315066-16-005823 | May 10, 2016 | — |
| SC 13G/A | AMENDED STATEMENT OF ACQUISITION OF BENEFICIAL OWNERSHIP | 0000894189-16-007670 | Feb 12, 2016 | — |
| SC 13G/A | — | 0000315066-16-005204 | Feb 12, 2016 | — |
| SC 13G/A | IOSP AS OF 12/31/2015 | 0000080255-16-000980 | Feb 11, 2016 | — |
| SC 13G/A | SEC SCHEDULE 13G | 0000902219-16-000868 | Feb 11, 2016 | — |
| SC 13G/A | — | 0000932471-16-010649 | Feb 10, 2016 | — |
| SC 13G/A | — | 0000906304-16-000491 | Feb 3, 2016 | — |
| SC 13G/A | — | 0000215457-16-003145 | Jan 26, 2016 | — |
| SC 13G/A | IOSP AS OF 09/30/2015 | 0000080255-15-000655 | Oct 13, 2015 | — |
| SC 13G/A | — | 0000906304-15-000268 | May 5, 2015 | — |