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Innospec Inc.

IOSP
Exchange
Nasdaq
Industry
Chemicals & Allied Products
SEC CIK
0001054905

No open-market purchases or sales by Innospec Inc. insiders were filed in the last 90 days; 281 institutions reported holding it in 13F filings for Q2 2026, worth $2.02B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Innospec Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
0 filings
Insiders trading
0
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Innospec Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Innospec Inc.
NameTitleLast reported holdingLast filingFilings, past year
Cleminson IanEVP & CFO20,357Mar 6, 20263
Blackmore Milton CDirector10,530Mar 6, 20262
PADFIELD LarryDirector9,453Mar 6, 20262
Landless DavidDirector7,632Mar 6, 20262
Poccia ClaudiaDirector6,508Mar 6, 20262
Williams PatrickPRESIDENT & CEO231,535Mar 3, 20263
Jones David B.SVP, GC & CCO14,693Mar 3, 20263
Barnes CorbinSVP, Corporate Dev and IR13,080Mar 3, 20263
Griffin Hardy Louis IIISVP, HUMAN RESOURCES10,161Mar 3, 20263
McRobbie Ian MalcolmSenior VP R&T36,679Feb 25, 20261
Arnold Elizabeth KDirector6,376Feb 25, 20261
Blair GraemeHead of Group Finance–Feb 25, 20261
Parrette Leslie JDirector7,376Feb 24, 20262
Boon Philip JohnExecutive VP Business Ops20,079Feb 24, 20250
PALLER Robert IDirector14,343Feb 28, 20240

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Mar 6, 2026 (view filing)Feb 277 daysBlackmore Milton CDirectorSSale−594$76.55−$45.5K−5.3%10.5K afterAmended2 lots
Mar 6, 2026 (view filing)Feb 277 daysPADFIELD LarryDirectorSSale−594$76.55−$45.5K−5.9%9.45K afterAmended2 lots
Mar 6, 2026 (view filing)Feb 277 daysPoccia ClaudiaDirectorSSale−119$76.56−$9.11K−1.8%6.51K afterAmended2 lots
Mar 6, 2026 (view filing)Feb 277 daysLandless DavidDirectorSSale−594$76.55−$45.5K−7.2%7.63K afterAmended2 lots
Mar 6, 2026 (view filing)Feb 277 daysCleminson IanEVP & CFOSSale−2.38K$76.55−$182.2K−10.5%20.4K afterAmended2 lots
Mar 3, 2026 (view filing)Mar 3Same dayJones David B.SVP, GC & CCOSSale−1.03K$75.64−$77.8K−6.5%14.7K after
Feb 24, 2026 (view filing)Feb 204 daysBlackmore Milton CDirectorSSale−1.03K$81.84−$84.3K−9.7%9.59K after
Feb 24, 2026 (view filing)Feb 204 daysPADFIELD LarryDirectorSSale−1.03K$81.84−$84.3K−10.8%8.51K after
Nov 17, 2025 (view filing)Nov 143 daysParrette Leslie JDirectorPPurchase+340$74.09+$25.2K+6.2%5.84K after
May 15, 2025 (view filing)May 132 daysParrette Leslie JDirectorSSale−446$90.63−$40.4K−7.5%5.50K after2 lots
Mar 4, 2025 (view filing)Mar 31 dayCleminson IanEVP & CFOSSale−4.28K$100.98−$431.7K−21.2%15.9K after
Feb 26, 2025 (view filing)Feb 242 daysBarnes CorbinSVP, Corporate Dev and IRSSale−598$103.06−$61.6K−6.9%8.05K after
Feb 25, 2025 (view filing)Feb 214 daysPADFIELD LarryDirectorSSale−196$103.30−$20.2K−2.6%7.30K after
Feb 24, 2025 (view filing)Feb 213 daysBoon Philip JohnExecutive VP Business OpsSSale−3.75K$103.30−$387.8K−15.8%20.1K after
Feb 24, 2025 (view filing)Feb 213 daysBarnes CorbinSVP, Corporate Dev and IRSSale−2.69K$103.30−$278.1K−25.1%8.05K after
Feb 24, 2025 (view filing)Feb 213 daysJones David B.SVP, GC & CCOSSale−3.09K$103.30−$319.3K−24.2%9.66K after
Feb 24, 2025 (view filing)Feb 213 daysBlackmore Milton CDirectorSSale−652$103.30−$67.4K−7.2%8.38K after
Jan 30, 2025 (view filing)Nov 18, 202473 daysLateGriffin Hardy Louis IIISVP, HUMAN RESOURCESSSale−161$117.52−$18.9K−3.4%4.52K after
Jan 30, 2025 (view filing)Nov 18, 202473 daysLateBarnes CorbinSVP, Corporate Dev and IRSSale−307$117.52−$36.1K−3.7%8.05K after
Nov 25, 2024 (view filing)Nov 223 daysPoccia ClaudiaDirectorSSale−300$119.88−$36.0K−7.2%3.88K after
Nov 14, 2024 (view filing)Nov 131 dayBlackmore Milton CDirectorSSale−1.03K$122.92−$127.2K−10.3%9.03K after
Aug 27, 2024 (view filing)Aug 23-264 daysCleminson IanVP & CFOSSale−10.0K$113.99−$1.14M−43.5%13.0K after4 lots
Aug 14, 2024 (view filing)Aug 131 dayParrette Leslie JDirectorPPurchase+143$105.84+$15.1K+3.1%4.73K after
May 22, 2024 (view filing)May 202 daysGriffin Hardy Louis IIISVP, HUMAN RESOURCESSSale−525$129.78−$68.1K−10.4%4.52K after
May 20, 2024 (view filing)May 164 daysParrette Leslie JDirectorPPurchase+189$131.57+$24.9K+4.3%4.59K after
Mar 6, 2024 (view filing)Mar 15 daysLateJones David B.SVP, GC & CCOSSale−2.50K$125.79−$314.5K−20.6%9.66K after
Mar 1, 2024 (view filing)Feb 291 dayCleminson IanVP & CFOSSale−931$124.07−$115.5K−3.9%23.0K after
Mar 1, 2024 (view filing)Feb 291 dayWilliams PatrickPRESIDENT & CEOSSale−3.96K$124.21−$491.3K−2.3%167.2K after
Feb 28, 2024 (view filing)Feb 271 dayWilliams PatrickPRESIDENT & CEOSSale−9.67K$124.47−$1.20M−5.5%167.2K after2 lots
Feb 27, 2024 (view filing)Feb 261 dayWilliams PatrickPRESIDENT & CEOSSale−9.67K$125.01−$1.21M−5.5%164.7K after3 lots
Feb 26, 2024 (view filing)Feb 233 daysWilliams PatrickPRESIDENT & CEOSSale−9.67K$124.37−$1.20M−5.3%174.3K after3 lots
Feb 26, 2024 (view filing)Feb 224 daysGriffin Hardy Louis IIISVP, HUMAN RESOURCESSSale−1.88K$122.07−$228.9K−27.3%5.00K after
Feb 26, 2024 (view filing)Feb 224 daysBoon Philip JohnExecutive VP Business OpsSSale−3.71K$122.07−$453.5K−16.7%18.5K after
Feb 26, 2024 (view filing)Feb 224 daysBlackmore Milton CDirectorSSale−601$122.07−$73.4K−6.8%8.25K after
Feb 26, 2024 (view filing)Feb 224 daysCleminson IanVP & CFOSSale−4.19K$123.77−$518.6K−16.6%21.0K after
Feb 23, 2024 (view filing)Feb 221 dayParrette Leslie JDirectorPPurchase+410$123.96+$50.8K+12.8%3.62K after
Nov 15, 2023 (view filing)Nov 132 daysPADFIELD LarryDirectorSSale−977$101.54−$99.2K−12.9%6.60K after
May 24, 2023 (view filing)May 222 daysPoccia ClaudiaDirectorSSale−739$99.20−$73.3K−40.0%1.11K after2 lots
May 11, 2023 (view filing)May 101 dayParrette Leslie JDirectorPPurchase+515$96.75+$49.8K+19.1%3.21K after
Mar 20, 2023 (view filing)Mar 173 daysBarnes CorbinSVP, Corporate Dev and IRPPurchase+400$99.75+$39.9K+27.6%1.85K after
Mar 9, 2023 (view filing)Mar 63 daysLateCleminson IanVP & CFOSSale−6.08K$105.23−$639.7K−22.2%21.3K after5 lots
Mar 9, 2023 (view filing)Mar 72 daysBarnes CorbinSVP, Corporate Dev and IRPPurchase+1.25K$106.00+$132.5K+634.5%1.45K after
Mar 9, 2023 (view filing)Mar 2-37 daysLateWilliams PatrickPRESIDENT & CEOSSale−22.9K$109.05−$2.50M−14.2%138.5K after11 lots
Mar 9, 2023 (view filing)Mar 72 daysBoon Philip JohnExecutive VP Business OpsSSale−6.49K$105.62−$685.6K−25.7%18.7K after2 lots
Mar 6, 2023 (view filing)Mar 33 daysParrette Leslie JDirectorPPurchase+450$111.35+$50.1K+75.8%1.04K after
Mar 2, 2023 (view filing)Mar 11 dayWilliams PatrickPRESIDENT & CEOSSale−9.14K$109.70−$1.00M−5.5%157.4K after3 lots
Mar 2, 2023 (view filing)Mar 2Same dayJones David B.SVP, GC & CCOPPurchase+459$108.98+$50.0K+7.6%6.53K after
Mar 1, 2023 (view filing)Feb 27-282 daysWilliams PatrickPRESIDENT & CEOSSale−18.0K$110.91−$2.00M−9.7%166.8K after6 lots
Mar 1, 2023 (view filing)Feb 281 dayWilliams PatrickPRESIDENT & CEOSSale−287$111.58−$32.0K−0.2%166.5K after
Feb 27, 2023 (view filing)Feb 243 daysWilliams PatrickPRESIDENT & CEOSSale−9.15K$108.50−$992.3K−4.7%183.5K after3 lots