IOSP Insider Trading

Innospec Inc. · full profile →Last filing Mar 3, 2026
Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$574K
6 insiders
Net Insider Flow
-$574K
open market, 180d
Reporting Insiders
6
13 P/S transactions
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Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Mar 3, 2026Jones David B.SVP, GC & CCOSell(S)1K$75.64$78K
Feb 27, 2026Williams PatrickPRESIDENT & CEOTax withholding(F)8K$78.34$624K
Feb 27, 2026Barnes CorbinSVP, Corporate Dev and IRTax withholding(F)166$78.34$13K
Feb 27, 2026Jones David B.SVP, GC & CCOTax withholding(F)875$78.34$69K
Feb 27, 2026Griffin Hardy Louis IIISVP, HUMAN RESOURCESTax withholding(F)401$78.34$31K
Feb 27, 2026Cleminson IanEVP & CFOSell(S)1K$76.79$95K
Feb 27, 2026Cleminson IanEVP & CFOSell(S)1K$76.30$88K
Feb 27, 2026Landless DavidDirectorSell(S)287$76.30$22K
Feb 27, 2026Landless DavidDirectorSell(S)307$76.79$24K
Feb 27, 2026Poccia ClaudiaDirectorSell(S)57$76.30$4K
Feb 27, 2026Poccia ClaudiaDirectorSell(S)62$76.79$5K
Feb 27, 2026PADFIELD LarryDirectorSell(S)307$76.79$24K
Feb 27, 2026PADFIELD LarryDirectorSell(S)287$76.30$22K
Feb 27, 2026Blackmore Milton CDirectorSell(S)307$76.79$24K
Feb 27, 2026Blackmore Milton CDirectorSell(S)287$76.30$22K
Feb 23, 2026PADFIELD LarryDirectorGrant(A)2K$0
Feb 23, 2026Blackmore Milton CDirectorGrant(A)2K$0
Feb 23, 2026Poccia ClaudiaDirectorGrant(A)2K$0
Feb 23, 2026Landless DavidDirectorGrant(A)2K$0
Feb 23, 2026Parrette Leslie JDirectorGrant(A)2K$0
Feb 23, 2026Arnold Elizabeth KDirectorGrant(A)2K$0
Feb 23, 2026McRobbie Ian MalcolmSenior VP R&TGrant(A)2K$0
Feb 23, 2026Blair GraemeHead of Group FinanceGrant(A)520$0
Feb 23, 2026Jones David B.SVP, GC & CCOGrant(A)3K$0
Feb 23, 2026Williams PatrickPRESIDENT & CEOGrant(A)21K$0
Feb 23, 2026Cleminson IanEVP & CFOGrant(A)4K$0
Feb 23, 2026Griffin Hardy Louis IIISVP, HUMAN RESOURCESGrant(A)3K$0
Feb 23, 2026Barnes CorbinSVP, Corporate Dev and IRGrant(A)2K$0
Feb 20, 2026PADFIELD LarryDirectorOption exercise(M)1K$44.18$46K
Feb 20, 2026PADFIELD LarryDirectorSell(S)1K$81.84$84K
Feb 20, 2026PADFIELD LarryDirectorOption exercise(M)1K$0
Feb 20, 2026Blackmore Milton CDirectorOption exercise(M)1K$44.18$46K
Feb 20, 2026Blackmore Milton CDirectorSell(S)1K$81.84$84K
Feb 20, 2026Blackmore Milton CDirectorOption exercise(M)1K$0
Feb 16, 2026Jones David B.SVP, GC & CCOGrant(A)2K$0
Feb 16, 2026Williams PatrickPRESIDENT & CEOGrant(A)19K$0
Feb 16, 2026Cleminson IanEVP & CFOGrant(A)2K$0
Feb 16, 2026Griffin Hardy Louis IIISVP, HUMAN RESOURCESGrant(A)1K$0
Feb 16, 2026Barnes CorbinSVP, Corporate Dev and IRGrant(A)2K$0
Nov 14, 2025Parrette Leslie JDirectorBuy(P)340$74.09$25K
May 13, 2025Barnes CorbinSVP, Corporate Dev and IRTax withholding(F)740$91.53$68K
May 13, 2025Griffin Hardy Louis IIISVP, HUMAN RESOURCESTax withholding(F)600$91.53$55K
May 13, 2025Parrette Leslie JDirectorSell(S)270$90.60$24K
May 13, 2025Parrette Leslie JDirectorSell(S)176$90.68$16K
Mar 3, 2025Cleminson IanEVP & CFOSell(S)4K$100.98$432K
Mar 3, 2025Williams PatrickPRESIDENT & CEOTax withholding(F)13K$103.66$1.3M
Feb 24, 2025Barnes CorbinSVP, Corporate Dev and IROption exercise(M)598$99.68$60K
Feb 24, 2025Barnes CorbinSVP, Corporate Dev and IRSell(S)598$103.06$62K
Feb 24, 2025Barnes CorbinSVP, Corporate Dev and IROption exercise(M)598$0
Feb 24, 2025Jones David B.SVP, GC & CCOGrant(A)2K$0
Feb 24, 2025Cleminson IanVP & CFOGrant(A)3K$0
Feb 24, 2025Williams PatrickPRESIDENT & CEOGrant(A)15K$0
Feb 24, 2025Arnold Elizabeth KDirectorGrant(A)1K$0
Feb 24, 2025Blackmore Milton CDirectorGrant(A)1K$0
Feb 24, 2025Landless DavidDirectorGrant(A)1K$0
Feb 24, 2025PADFIELD LarryDirectorGrant(A)1K$0
Feb 24, 2025Parrette Leslie JDirectorGrant(A)1K$0
Feb 24, 2025Poccia ClaudiaDirectorGrant(A)1K$0
Feb 24, 2025Griffin Hardy Louis IIISVP, HUMAN RESOURCESGrant(A)2K$0
Feb 24, 2025Barnes CorbinSVP, Corporate Dev and IRGrant(A)2K$0
Feb 24, 2025Blair GraemeHead of Group FinanceGrant(A)300$0
Feb 24, 2025McRobbie Ian MalcolmSenior VP R&TGrant(A)2K$0
Feb 21, 2025Blackmore Milton CDirectorSell(S)652$103.30$67K
Feb 21, 2025Jones David B.SVP, GC & CCOGrant(A)3K$0
Feb 21, 2025Jones David B.SVP, GC & CCOSell(S)3K$103.30$319K
Feb 21, 2025Barnes CorbinSVP, Corporate Dev and IRGrant(A)3K$0
Feb 21, 2025Barnes CorbinSVP, Corporate Dev and IRSell(S)3K$103.30$278K
Feb 21, 2025Boon Philip JohnExecutive VP Business OpsSell(S)4K$103.30$388K
Feb 21, 2025Boon Philip JohnExecutive VP Business OpsGrant(A)4K$0
Feb 21, 2025Landless DavidDirectorTax withholding(F)306$105.07$32K
Feb 21, 2025Griffin Hardy Louis IIISVP, HUMAN RESOURCESTax withholding(F)488$105.07$51K
Feb 21, 2025Griffin Hardy Louis IIISVP, HUMAN RESOURCESGrant(A)2K$0
Feb 21, 2025PADFIELD LarryDirectorSell(S)196$103.30$20K
Feb 21, 2025Williams PatrickPRESIDENT & CEOGrant(A)30K$0
Feb 21, 2025Cleminson IanVP & CFOGrant(A)4K$0
Feb 21, 2025Griffin Hardy Louis IIISVP, HUMAN RESOURCESOption exercise(M)121$99.68$12K
Feb 21, 2025Griffin Hardy Louis IIISVP, HUMAN RESOURCESDisposed to issuer(D)121$101.99$12K
Feb 21, 2025Griffin Hardy Louis IIISVP, HUMAN RESOURCESOption exercise(M)121$0
Feb 21, 2025Barnes CorbinSVP, Corporate Dev and IRDisposed to issuer(D)200$101.99$20K
Feb 21, 2025Barnes CorbinSVP, Corporate Dev and IROption exercise(M)200$99.68$20K
Feb 21, 2025Barnes CorbinSVP, Corporate Dev and IROption exercise(M)200$0
Nov 22, 2024Poccia ClaudiaDirectorOption exercise(M)300$0
Nov 22, 2024Poccia ClaudiaDirectorSell(S)300$119.88$36K
Nov 22, 2024Poccia ClaudiaDirectorOption exercise(M)300$99.85$30K
Nov 18, 2024Barnes CorbinSVP, Corporate Dev and IRSell(S)307$117.52$36K
Nov 18, 2024Griffin Hardy Louis IIISVP, HUMAN RESOURCESSell(S)161$117.52$19K
Nov 13, 2024Blackmore Milton CDirectorSell(S)1K$122.92$127K
Nov 13, 2024Blackmore Milton CDirectorOption exercise(M)1K$43.95$45K
Nov 13, 2024Blackmore Milton CDirectorOption exercise(M)1K$0
Aug 26, 2024Cleminson IanVP & CFOSell(S)1K$115.24$139K
Aug 26, 2024Cleminson IanVP & CFOSell(S)2K$114.31$227K
Aug 26, 2024Cleminson IanVP & CFOSell(S)200$116.05$23K
Aug 23, 2024Cleminson IanVP & CFOSell(S)7K$113.60$750K
Aug 13, 2024Parrette Leslie JDirectorBuy(P)143$105.84$15K
May 20, 2024Griffin Hardy Louis IIISVP, HUMAN RESOURCESSell(S)525$129.78$68K
May 16, 2024Parrette Leslie JDirectorBuy(P)189$131.57$25K
May 14, 2024Griffin Hardy Louis IIISVP, HUMAN RESOURCESTax withholding(F)989$128.82$127K
May 14, 2024Barnes CorbinSVP, Corporate Dev and IRTax withholding(F)1K$128.82$143K
Mar 1, 2024Jones David B.SVP, GC & CCOSell(S)3K$125.79$314K
Feb 29, 2024Williams PatrickPRESIDENT & CEOSell(S)4K$124.21$491K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).