IOSP insider filings
INNOSPEC INC. — 50 most recent insider filings (SEC Forms 3/4/5) from EDGAR, normalized by FilingPulse. Latest filing: 2026-10-05. Screen IOSP transaction legs live →
Insider transaction summary — last 90 days
2026-07-10 to 2026-10-08, from the filings listed below: 6 insider filings (Forms 3/4/5). Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 6.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| BARNES CORBIN — SVP, Corporate Dev and IR | 1 | — | — | 1 |
| Cleminson Ian — EVP & CFO | 1 | — | — | 1 |
| GRIFFIN HARDY LOUIS III — SVP, HUMAN RESOURCES | 1 | — | — | 1 |
| Jones David B. — SVP, GC & CCO | 1 | — | — | 1 |
| MCROBBIE IAN MALCOLM — Senior VP R&T | 1 | — | — | 1 |
| Williams Patrick — PRESIDENT & CEO | 1 | — | — | 1 |
Recent insider filings — INNOSPEC INC.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-10-05 | 4 | BARNES CORBIN — SVP, Corporate Dev and IR | Grant/award (A): 2,642 (derivative) @ $0 | EDGAR |
| 2026-10-05 | 4 | GRIFFIN HARDY LOUIS III — SVP, HUMAN RESOURCES | Grant/award (A): 2,685 (derivative) @ $0 | EDGAR |
| 2026-10-05 | 4 | Cleminson Ian — EVP & CFO | Grant/award (A): 4,792 (derivative) @ $0 | EDGAR |
| 2026-10-05 | 4 | MCROBBIE IAN MALCOLM — Senior VP R&T | Grant/award (A): 3,164 (derivative) @ $0 | EDGAR |
| 2026-10-05 | 4 | Jones David B. — SVP, GC & CCO | Grant/award (A): 3,188 (derivative) @ $0 | EDGAR |
| 2026-10-05 | 4 | Williams Patrick — PRESIDENT & CEO | Grant/award (A): 22,203 (derivative) @ $0 | EDGAR |
| 2026-03-06 | 4/A | Blackmore Milton C — Director | Sale (S): 287 @ $76.30 · Sale (S): 307 @ $76.79 | EDGAR |
| 2026-03-06 | 4/A | PADFIELD Larry — Director | Sale (S): 287 @ $76.30 · Sale (S): 307 @ $76.79 | EDGAR |
| 2026-03-06 | 4/A | Poccia Claudia — Director | Sale (S): 57 @ $76.30 · Sale (S): 62 @ $76.79 | EDGAR |
| 2026-03-06 | 4/A | LANDLESS DAVID — Director | Sale (S): 287 @ $76.30 · Sale (S): 307 @ $76.79 | EDGAR |
| 2026-03-06 | 4/A | Cleminson Ian — EVP & CFO | Sale (S): 1,149 @ $76.30 · Sale (S): 1,231 @ $76.79 | EDGAR |
| 2026-03-03 | 4 | Blackmore Milton C — Director | Sale (S): 594 @ $76.56 | EDGAR |
| 2026-03-03 | 4 | PADFIELD Larry — Director | Sale (S): 594 @ $76.56 | EDGAR |
| 2026-03-03 | 4 | Poccia Claudia — Director | Sale (S): 119 @ $76.56 | EDGAR |
| 2026-03-03 | 4 | GRIFFIN HARDY LOUIS III — SVP, HUMAN RESOURCES | Tax withholding (F): 401 @ $78.34 | EDGAR |
| 2026-03-03 | 4 | LANDLESS DAVID — Director | Sale (S): 594 @ $76.56 | EDGAR |
| 2026-03-03 | 4 | Jones David B. — SVP, GC & CCO | Tax withholding (F): 875 @ $78.34 · Sale (S): 1,028 @ $75.64 | EDGAR |
| 2026-03-03 | 4 | BARNES CORBIN — SVP, Corporate Dev and IR | Tax withholding (F): 166 @ $78.34 | EDGAR |
| 2026-03-03 | 4 | Cleminson Ian — EVP & CFO | Sale (S): 2,380 @ $76.56 | EDGAR |
| 2026-03-03 | 4 | Williams Patrick — PRESIDENT & CEO | Tax withholding (F): 7,966 @ $78.34 | EDGAR |
| 2026-02-25 | 4 | BARNES CORBIN — SVP, Corporate Dev and IR | Grant/award (A): 2,481 @ $0 | EDGAR |
| 2026-02-25 | 4 | GRIFFIN HARDY LOUIS III — SVP, HUMAN RESOURCES | Grant/award (A): 2,521 @ $0 | EDGAR |
| 2026-02-25 | 4 | Cleminson Ian — EVP & CFO | Grant/award (A): 4,499 @ $0 | EDGAR |
| 2026-02-25 | 4 | Williams Patrick — PRESIDENT & CEO | Grant/award (A): 20,846 @ $0 | EDGAR |
| 2026-02-25 | 4 | Jones David B. — SVP, GC & CCO | Grant/award (A): 2,993 @ $0 | EDGAR |
| 2026-02-25 | 4 | Blair Graeme — Head of Group Finance | Grant/award (A): 520 (derivative) @ $0 | EDGAR |
| 2026-02-25 | 4 | MCROBBIE IAN MALCOLM — Senior VP R&T | Grant/award (A): 2,228 (derivative) @ $0 | EDGAR |
| 2026-02-25 | 4 | Arnold Elizabeth K — Director | Grant/award (A): 1,539 @ $0 | EDGAR |
| 2026-02-24 | 4 | PARRETTE LESLIE J — Director | Grant/award (A): 1,539 @ $0 | EDGAR |
| 2026-02-24 | 4 | LANDLESS DAVID — Director | Grant/award (A): 1,539 @ $0 | EDGAR |
| 2026-02-24 | 4 | Poccia Claudia — Director | Grant/award (A): 1,539 @ $0 | EDGAR |
| 2026-02-24 | 4 | Blackmore Milton C — Director | Option exercise (M): 1,030 @ $44.18 · Sale (S): 1,030 @ $81.84 · Grant/award (A): 1,539 @ $0 · Option exercise (M): 1,030 (derivative) @ $0 | EDGAR |
| 2026-02-24 | 4 | PADFIELD Larry — Director | Option exercise (M): 1,030 @ $44.18 · Sale (S): 1,030 @ $81.84 · Grant/award (A): 1,539 @ $0 · Option exercise (M): 1,030 (derivative) @ $0 | EDGAR |
| 2026-02-18 | 4 | BARNES CORBIN — SVP, Corporate Dev and IR | Grant/award (A): 1,730 @ $0 | EDGAR |
| 2026-02-18 | 4 | GRIFFIN HARDY LOUIS III — SVP, HUMAN RESOURCES | Grant/award (A): 1,299 @ $0 | EDGAR |
| 2026-02-18 | 4 | Cleminson Ian — EVP & CFO | Grant/award (A): 2,380 @ $0 | EDGAR |
| 2026-02-18 | 4 | Williams Patrick — PRESIDENT & CEO | Grant/award (A): 18,966 @ $0 | EDGAR |
| 2026-02-18 | 4 | Jones David B. — SVP, GC & CCO | Grant/award (A): 1,903 @ $0 | EDGAR |
| 2025-11-17 | 4 | PARRETTE LESLIE J — Director | Purchase (P): 340 @ $74.09 | EDGAR |
| 2025-05-15 | 4 | PARRETTE LESLIE J — Director | Sale (S): 270 @ $90.60 · Sale (S): 176 @ $90.68 | EDGAR |
| 2025-05-15 | 4 | GRIFFIN HARDY LOUIS III — SVP, HUMAN RESOURCES | Tax withholding (F): 600 @ $91.53 | EDGAR |
| 2025-05-15 | 4 | BARNES CORBIN — SVP, Corporate Dev and IR | Tax withholding (F): 740 @ $91.53 | EDGAR |
| 2025-03-04 | 4 | Williams Patrick — PRESIDENT & CEO | Tax withholding (F): 12,723 @ $103.66 | EDGAR |
| 2025-03-04 | 4 | Cleminson Ian — EVP & CFO | Sale (S): 4,275 @ $100.98 | EDGAR |
| 2025-02-27 | 4 | LANDLESS DAVID — Director | Grant/award (A): 1,209 @ $0 | EDGAR |
| 2025-02-27 | 4 | Blackmore Milton C — Director | Grant/award (A): 1,209 @ $0 | EDGAR |
| 2025-02-27 | 4 | Arnold Elizabeth K — Director | Grant/award (A): 1,209 @ $0 | EDGAR |
| 2025-02-27 | 4 | Williams Patrick — PRESIDENT & CEO | Grant/award (A): 14,743 @ $0 | EDGAR |
| 2025-02-27 | 4 | Cleminson Ian — VP & CFO | Grant/award (A): 2,862 @ $0 | EDGAR |
| 2025-02-27 | 4 | Jones David B. — SVP, GC & CCO | Grant/award (A): 2,036 @ $0 | EDGAR |
Recent 8-K events — INNOSPEC INC.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-04 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-05-13 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-08 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-18 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-05 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-05-14 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2025-05-09 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-03-11 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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