INNOSPEC INC (IOSP) Stock Ownership

NASDAQ:IOSP • US45768S1050

Current stock price

75.66 USD
-0.17 (-0.22%)
At close:
75.66 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 Outstanding24.89M
Float24.55M
Float Short Interest Percentage1.31%
Owners (insider)1.14%
Owners (institutional)99.92%
Owners (insider) change8.09%
Owners (institutional) change0%
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 Mar 2026 5M 10M 15M 20M 25M
IOSP Historical Insider Transactions ChartIOSP Historical Insider Buy and Sell Transactions ChartIOSP Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 20K 40K 60K
DateNameTypeSharesPriceAmount
Mar 3, 2026Jones David BentleyOpen Market Sale102875.64$ 77,757.92
Feb 27, 2026LANDLESS DAVIDOpen Market Sale59476.56$ 45,474.38
Feb 27, 2026Jones David BentleyOption Excercise87578.34$ 68,547.50
Feb 27, 2026PADFIELD LarryOpen Market Sale59476.56$ 45,474.38
Feb 27, 2026Poccia ClaudiaOpen Market Sale11976.56$ 9,110.19
Feb 27, 2026GRIFFIN HARDY LOUIS IIIOption Excercise40178.34$ 31,414.34
Feb 27, 2026Blackmore Milton COpen Market Sale59476.56$ 45,474.38
Feb 27, 2026BARNES CORBINOption Excercise16678.34$ 13,004.44
Feb 27, 2026Cleminson IanOpen Market Sale238076.56$ 182,212.80
Feb 27, 2026Williams PatrickOption Excercise796678.34$ 624,056.44
Feb 23, 2026Blackmore Milton CGrant15390.00$ 0.00
Feb 23, 2026PADFIELD LarryGrant15390.00$ 0.00
Feb 23, 2026PARRETTE LESLIE JGrant15390.00$ 0.00
Feb 23, 2026LANDLESS DAVIDGrant15390.00$ 0.00
Feb 23, 2026Poccia ClaudiaGrant15390.00$ 0.00
Feb 23, 2026Arnold Elizabeth KGrant15390.00$ 0.00
Feb 23, 2026Williams PatrickGrant208460.00$ 0.00
Feb 23, 2026Jones David BentleyGrant29930.00$ 0.00
Feb 23, 2026Cleminson IanGrant44990.00$ 0.00
Feb 23, 2026BARNES CORBINGrant24810.00$ 0.00
Feb 23, 2026GRIFFIN HARDY LOUIS IIIGrant25210.00$ 0.00
Feb 20, 2026Blackmore Milton COption Excercise103044.18$ 45,505.40
Feb 20, 2026Blackmore Milton COpen Market Sale103081.84$ 84,296.13
Feb 20, 2026PADFIELD LarryOption Excercise103044.18$ 45,505.40
Feb 20, 2026PADFIELD LarryOpen Market Sale103081.84$ 84,296.13
Feb 16, 2026Williams PatrickGrant189660.00$ 0.00
Feb 16, 2026Jones David BentleyGrant19030.00$ 0.00
Feb 16, 2026BARNES CORBINGrant17300.00$ 0.00
Feb 16, 2026GRIFFIN HARDY LOUIS IIIGrant12990.00$ 0.00
Feb 16, 2026Cleminson IanGrant23800.00$ 0.00
Nov 14, 2025PARRETTE LESLIE JOpen Market Purchase34074.09$ 25,190.60
May 13, 2025PARRETTE LESLIE JOpen Market Sale44690.63$ 40,420.74
May 13, 2025GRIFFIN HARDY LOUIS IIIOption Excercise60091.53$ 54,918.00
May 13, 2025BARNES CORBINOption Excercise74091.53$ 67,732.20