Innospec Inc

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Innospec Inc
TickerIOSP
CIK #0001054905
CUSIP45768S105
SectorLife Sciences - Chemicals & Allied Products
Address8375 South Willow Street, Littleton, CO 80124
Source [EDGAR]
CIK Filing 2011 - 2026
[0001054905] 10-K
[0001054905] 10-Q
[0001054905] 3
[0001054905] 4
[0001054905] 5
[0001054905] 8-K
[0001054905] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Dimensional Fund Advisors LP Innospec Inc [2026-07-14] 0.0
Vanguard Capital Management LLC Innospec Inc [2026-04-30] 0.0
Vanguard Portfolio Management LLC Innospec Inc [2026-04-29] 0.0
Wasatch Advisors Inc Innospec Inc [2023-02-08] 7.2
Allspring Global Investments Holdings LLC Innospec Inc [2022-01-18] 0.88
BlackRock Inc Innospec Inc [2021-01-25] 15.6
Wells Fargo & Company/MN Innospec Inc [2020-02-04] 5.3
Dimensional Fund Advisors LP Innospec Inc [2017-02-09] 5.53
Huber Capital Management LLC Innospec Inc [2015-02-12] 5.95
BlackRock Inc Innospec Inc [2015-02-03] 5.1
Vanguard Group Inc Innospec Inc [2014-02-11] 5.26
Huber Capital Management LLC Innospec Inc [2014-02-10] 5.01
Wellington Management Co LLP Innospec Inc [2013-02-14] 7.79
Royce & Associates LLC Innospec Inc [2012-01-13] 5.22
Form 3/4/5 Filer 2011 - 2026
Innospec Inc
Bausch Shelley J
Landless David
Griffin Hardy Louis III
PADFIELD Larry
Blackmore Milton C
Poccia Claudia
Jones David Bentley
Williams Patrick
Cleminson Ian
Barnes Corbin
Arnold Elizabeth K
McRobbie Ian Malcolm
Blair Graeme
Parrette Leslie J
BOON Philip John
PALLER Robert I
Watt Brian
Hessner Catherine
Curran Philip
ROESER Joachim
Aldous Hugh
Williams David Earl
McDuff Patrick Joseph
Hale Martin Demora
Bracewell Mark
BEW Robert Ernest
Hartley Andrew
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Jones David Bentley
Common Stock
2026-03-03 Sell 1,028 $75.64 77,758
Common Stock
2026-02-27 Sell 307 $76.79 23,575
Common Stock
2026-02-27 Sell 57 $76.30 4,349
Common Stock
2026-02-27 Sell 287 $76.30 21,898
Jones David Bentley
Common Stock
2026-02-27 Tax withheld 875 $78.34 68,548
Common Stock
2026-02-27 Sell 307 $76.79 23,575
Williams Patrick
Common Stock
2026-02-27 Tax withheld 7,966 $78.34 624,056
Common Stock
2026-02-27 Sell 287 $76.30 21,898
Griffin Hardy Louis III
Common Stock
2026-02-27 Tax withheld 401 $78.34 31,414
Common Stock
2026-02-27 Sell 1,231 $76.79 94,528
Landless David
Common Stock
2026-02-27 Sell 594 $76.56 45,477
Poccia Claudia
Common Stock
2026-02-27 Sell 119 $76.56 9,111
Common Stock
2026-02-27 Sell 307 $76.79 23,575
Common Stock
2026-02-27 Sell 62 $76.79 4,761
PADFIELD Larry
Common Stock
2026-02-27 Sell 594 $76.56 45,477
Cleminson Ian
Common Stock
2026-02-27 Sell 2,380 $76.56 182,213
Common Stock
2026-02-27 Sell 287 $76.30 21,898
Blackmore Milton C
Common Stock
2026-02-27 Sell 594 $76.56 45,477
Common Stock
2026-02-27 Sell 1,149 $76.30 87,669
Barnes Corbin
Common Stock
2026-02-27 Tax withheld 166 $78.34 13,004
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 266 24,631,738
2025-12-31 261 24,226,252
2025-09-30 268 24,275,970
2025-06-30 262 23,847,352
2025-03-31 274 24,460,975
2024-12-31 263 23,953,136
2024-09-30 262 24,031,389
2024-06-30 267 23,819,595
2024-03-31 240 24,464,062
2023-12-31 226 23,969,580
2023-09-30 212 23,485,492
2023-06-30 206 23,496,361
Form 13F Holdings
Firm Period DFND Voting Shares
Assenagon Asset Management SA [2026-06-30] SOLE 272,782 272,782
ZWJ Investment Counsel Inc [2026-06-30] SOLE 502 108,502
Wedge Capital Management L L P/NC [2026-06-30] SOLE 6,868 20,329
Linden Thomas Advisory Services LLC [2026-06-30] SOLE 0 19,815
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 14,815 14,815
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 292 13,679
Diversified Trust Co [2026-06-30] SOLE 0 12,625
Louisiana State Employees Retirement System [2026-06-30] SOLE 11,000 11,000
Alaska Retirement Management Board [2026-06-30] SOLE 9,243 9,243
Yousif Capital Management LLC [2026-06-30] SOLE 1,503 6,568
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 5,841 5,841
Merit Financial Group LLC [2026-06-30] OTR 0 2,973
Sequoia Financial Advisors LLC [2026-06-30] SOLE 0 2,540
Merit Financial Group LLC [2026-06-30] SOLE 7 785
Gamma Investing LLC [2026-06-30] DFND 545 545
HM Payson & Co [2026-06-30] SOLE 500 500
Versant Capital Management Inc [2026-06-30] SOLE 452 452
Farther Finance Advisors LLC [2026-06-30] SOLE 0 348
IFP Advisors LLC [2026-06-30] SOLE 277 277
Crews Bank & Trust [2026-06-30] SOLE 200 200
True Wealth Design LLC [2026-06-30] SOLE 0 129
Cedar Mountain Advisors LLC [2026-06-30] SOLE 0 39
MassMutual Private Wealth & Trust FSB [2026-06-30] SOLE 29 29
JFS Wealth Advisors LLC [2026-06-30] SOLE 0 23
Noble Wealth Management PBC [2026-06-30] SOLE 19 19
Fortitude Family Office LLC [2026-06-30] SOLE 18 18
Farmers & Merchants Investments Inc [2026-06-30] SOLE 15 15
First Horizon Corp [2026-06-30] DFND 0 9
Dinuzzo Private Wealth Inc [2026-06-30] SOLE 0 5
Corecap Advisors LLC [2026-06-30] SOLE 0 1
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