INNOSPEC INC (IOSP) Stock Ownership

NASDAQ:IOSPUS45768S1050

Current stock price

68.63 USD
-0.2 (-0.29%)
At close:
68.63 USD
0 (0%)
After Hours:

IOSP Ownership information

IOSP Ownership Chart.IOSP Ownership Chart: showing Insider, Institutional ownership and shares available to the public.IOSP Ownership.InsiderInstitutional



Shares Outstanding24.78M
Float24.22M
Float Short Interest Percentage1.57%
Owners (insider)1.28%
Owners (institutional)100.31%
Owners (insider) change8.09%
Owners (institutional) change-0.3%
IOSP Institutional Ownership HistoryIOSP Institutional Ownership HistoryIOSP Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 5M 10M 15M 20M 25M
IOSP Historical Insider Transactions ChartIOSP Historical Insider Buy and Sell Transactions ChartIOSP Historical Insider Transactions Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 0 20K 40K 60K
Date Name Type Shares Price Amount
Mar 3, 2026 Jones David Bentley Open Market Sale 1028 75.64 $ 77,757.92
Feb 27, 2026 BARNES CORBIN Option Excercise 166 78.34 $ 13,004.44
Feb 27, 2026 Cleminson Ian Open Market Sale 2380 76.56 $ 182,212.80
Feb 27, 2026 Williams Patrick Option Excercise 7966 78.34 $ 624,056.44
Feb 27, 2026 LANDLESS DAVID Open Market Sale 594 76.56 $ 45,474.38
Feb 27, 2026 Jones David Bentley Option Excercise 875 78.34 $ 68,547.50
Feb 27, 2026 PADFIELD Larry Open Market Sale 594 76.56 $ 45,474.38
Feb 27, 2026 Poccia Claudia Open Market Sale 119 76.56 $ 9,110.19
Feb 27, 2026 GRIFFIN HARDY LOUIS III Option Excercise 401 78.34 $ 31,414.34
Feb 27, 2026 Blackmore Milton C Open Market Sale 594 76.56 $ 45,474.38
Feb 23, 2026 Blackmore Milton C Grant 1539 0.00 $ 0.00
Feb 23, 2026 PADFIELD Larry Grant 1539 0.00 $ 0.00
Feb 23, 2026 PARRETTE LESLIE J Grant 1539 0.00 $ 0.00
Feb 23, 2026 LANDLESS DAVID Grant 1539 0.00 $ 0.00
Feb 23, 2026 Poccia Claudia Grant 1539 0.00 $ 0.00
Feb 23, 2026 Arnold Elizabeth K Grant 1539 0.00 $ 0.00
Feb 23, 2026 Williams Patrick Grant 20846 0.00 $ 0.00
Feb 23, 2026 Jones David Bentley Grant 2993 0.00 $ 0.00
Feb 23, 2026 Cleminson Ian Grant 4499 0.00 $ 0.00
Feb 23, 2026 BARNES CORBIN Grant 2481 0.00 $ 0.00
Feb 23, 2026 GRIFFIN HARDY LOUIS III Grant 2521 0.00 $ 0.00
Feb 20, 2026 Blackmore Milton C Option Excercise 1030 44.18 $ 45,505.40
Feb 20, 2026 Blackmore Milton C Open Market Sale 1030 81.84 $ 84,296.13
Feb 20, 2026 PADFIELD Larry Option Excercise 1030 44.18 $ 45,505.40
Feb 20, 2026 PADFIELD Larry Open Market Sale 1030 81.84 $ 84,296.13
Feb 16, 2026 Jones David Bentley Grant 1903 0.00 $ 0.00
Feb 16, 2026 BARNES CORBIN Grant 1730 0.00 $ 0.00
Feb 16, 2026 GRIFFIN HARDY LOUIS III Grant 1299 0.00 $ 0.00
Feb 16, 2026 Cleminson Ian Grant 2380 0.00 $ 0.00
Feb 16, 2026 Williams Patrick Grant 18966 0.00 $ 0.00
Nov 14, 2025 PARRETTE LESLIE J Open Market Purchase 340 74.09 $ 25,190.60
May 13, 2025 PARRETTE LESLIE J Open Market Sale 446 90.63 $ 40,420.74
May 13, 2025 GRIFFIN HARDY LOUIS III Option Excercise 600 91.53 $ 54,918.00
May 13, 2025 BARNES CORBIN Option Excercise 740 91.53 $ 67,732.20