Patrick S. Williams owns 0.94% of Innospec
231,535 shares as of the October 1, 2026 filing, worth $22.4M at the latest close.
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Free.
The stake
0.94%
worth $22.4M at the latest close
Stake rank
#1,172
by dollar value of the stake
Last sale
965 days ago
Feb 27, 2024
Last buy
None
no purchases since 2016
Patrick S. Williams owns 0.94% of INNOSPEC INC.: 231,535 of 24,631,047 shares, worth about $22.4M at the 2026-10-16 close. The stake has moved from 0.82% in 2016 to 0.94% on 2026-10-01, across 22 sales and 0 purchases that moved it since 2016. The last trade that moved it was a discretionary sale of $1.2M on 2024-02-27.
How the stake is held
as of the Feb 27, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Feb 27, 2026 · Form 4 ↗
HELD DIRECTLY
231,535
100.0%
THE STAKE
231,535
0.94%