# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-25-022803
Filing Date
2025-02-19
Accepted
2025-02-19 10:03:28
Documents
125
Period of Report
2024-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | iosp-20241231.htm iXBRL | 10-K | 5052617
2 | EX-21.1 | iosp-ex21_1.htm | EX-21.1 | 7621
3 | EX-23.1 | iosp-ex23_1.htm | EX-23.1 | 3006
4 | EX-31.1 | iosp-ex31_1.htm | EX-31.1 | 14728
5 | EX-31.2 | iosp-ex31_2.htm | EX-31.2 | 14498
6 | EX-32.1 | iosp-ex32_1.htm | EX-32.1 | 7931
7 | EX-32.2 | iosp-ex32_2.htm | EX-32.2 | 7876
8 | EX-96.1 | iosp-ex96_1.htm | EX-96.1 | 67693
9 | GRAPHIC | img144128447_0.jpg | GRAPHIC | 4530
10 | GRAPHIC | img144128447_1.jpg | GRAPHIC | 2622
11 | GRAPHIC | img144128447_2.jpg | GRAPHIC | 2622
12 | GRAPHIC | img144128447_3.jpg | GRAPHIC | 2622
13 | GRAPHIC | img144128447_4.jpg | GRAPHIC | 2622
14 | GRAPHIC | img144128447_5.jpg | GRAPHIC | 2622
15 | GRAPHIC | img169191881_0.jpg | GRAPHIC | 405619
| Complete submission text file | 0000950170-25-022803.txt |  | 22177430

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
16 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | iosp-20241231.xsd | EX-101.SCH | 2169960
128 | EXTRACTED XBRL INSTANCE DOCUMENT | iosp-20241231_htm.xml | XML | 5183002

Mailing Address 8310 SOUTH VALLEY HIGHWAY SUITE 350 ENGLEWOOD CO 80112
Business Address 8310 SOUTH VALLEY HIGHWAY SUITE 350 ENGLEWOOD CO 80112 7203556451
INNOSPEC INC. (Filer) CIK: 0001054905 (see all company filings)

EIN.: 981081725 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-13879 | Film No.: 25637735
SIC: 2800 Chemicals & Allied Products
(CF Office: 08 Industrial Applications and Services)