IOSP
INNOSPEC INC.
NASDAQ · Basic Materials · Chemicals - Specialty · US
$97.99
+1.22%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+16.5%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 5, 2026 | Williams Patrick · officer: PRESIDENT & CEO | A-Award | 22,203 | $0.00 |
| Oct 5, 2026 | GRIFFIN HARDY LOUIS III · officer: SVP, HUMAN RESOURCES | A-Award | 2,685 | $0.00 |
| Oct 5, 2026 | Cleminson Ian · officer: EVP & CFO | A-Award | 4,792 | $0.00 |
| Oct 5, 2026 | Jones David B. · officer: SVP, GC & CCO | A-Award | 3,188 | $0.00 |
| Oct 5, 2026 | BARNES CORBIN · officer: SVP, Corporate Dev and IR | A-Award | 2,642 | $0.00 |
| Oct 5, 2026 | MCROBBIE IAN MALCOLM · officer: Senior VP R&T | A-Award | 3,164 | $0.00 |
| Mar 6, 2026 | Blackmore Milton C · director | Sale | 287 | $76 |
| Mar 6, 2026 | LANDLESS DAVID · director | Sale | 307 | $77 |
| Mar 6, 2026 | Cleminson Ian · officer: EVP & CFO | Sale | 1,149 | $76 |
| Mar 6, 2026 | PADFIELD Larry · director | Sale | 287 | $76 |
| Mar 6, 2026 | Blackmore Milton C · director | Sale | 307 | $77 |
| Mar 6, 2026 | Cleminson Ian · officer: EVP & CFO | Sale | 1,231 | $77 |
| Mar 6, 2026 | LANDLESS DAVID · director | Sale | 287 | $76 |
| Mar 6, 2026 | Poccia Claudia · director | Sale | 62 | $77 |
| Mar 6, 2026 | Poccia Claudia · director | Sale | 57 | $76 |
| Mar 6, 2026 | PADFIELD Larry · director | Sale | 307 | $77 |
| Mar 3, 2026 | Poccia Claudia · director | Sale | 119 | $77 |
| Mar 3, 2026 | Cleminson Ian · officer: EVP & CFO | Sale | 2,380 | $77 |
| Mar 3, 2026 | Blackmore Milton C · director | Sale | 594 | $77 |
| Mar 3, 2026 | Williams Patrick · officer: PRESIDENT & CEO | F-InKind | 7,966 | $78 |
| Mar 3, 2026 | BARNES CORBIN · officer: SVP, Corporate Dev and IR | F-InKind | 166 | $78 |
| Mar 3, 2026 | LANDLESS DAVID · director | Sale | 594 | $77 |
| Mar 3, 2026 | Jones David B. · officer: SVP, GC & CCO | F-InKind | 875 | $78 |
| Mar 3, 2026 | Jones David B. · officer: SVP, GC & CCO | Sale | 1,028 | $76 |
| Mar 3, 2026 | PADFIELD Larry · director | Sale | 594 | $77 |
| Mar 3, 2026 | GRIFFIN HARDY LOUIS III · officer: SVP, HUMAN RESOURCES | F-InKind | 401 | $78 |
| Feb 25, 2026 | GRIFFIN HARDY LOUIS III · officer: SVP, HUMAN RESOURCES | A-Award | 2,521 | $0.00 |
| Feb 25, 2026 | Jones David B. · officer: SVP, GC & CCO | A-Award | 2,993 | $0.00 |
| Feb 25, 2026 | MCROBBIE IAN MALCOLM · officer: Senior VP R&T | A-Award | 2,228 | $0.00 |
| Feb 25, 2026 | BARNES CORBIN · officer: SVP, Corporate Dev and IR | A-Award | 2,481 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 91Increased 217Reduced 179Sold out 29
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 4,381,323 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 3,878,975 | May 13, 2026 |
| ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC | Reduced | 2,315,942 | May 5, 2026 |
| Allspring Global Investments Holdings, LLC | Reduced | 1,892,471 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 1,884,244 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 1,860,091 | May 8, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1,305,038 | Aug 11, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1,242,089 | May 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1,114,598 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 1,108,107 | Aug 13, 2026 |
| STATE STREET CORP | Increased | 996,027 | Sep 22, 2026 |
| STATE STREET CORP | Increased | 964,335 | May 15, 2026 |
| VICTORY CAPITAL MANAGEMENT INC | Reduced | 864,994 | May 15, 2026 |
| Nuveen, LLC | Increased | 755,723 | Aug 11, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 666,589 | Aug 12, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 5, 2026