InsiderTrades

Blackmore Milton C

SEC CIK 1493440 · EDGAR

Buying vs selling by month open-market trades, last 59 months, IOSP
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
IOSPINNOSPEC INC.Dir 10.8K — $542.2K 172021-11-102026-02-27

Most active insiders at IOSP, 12 months

#InsiderTitleBoughtSold
1 Cleminson IanEVP, CFO —$364.4K
2 PADFIELD LarryDir —$175.2K
3 Blackmore Milton CDir —$175.2K
4 LANDLESS DAVIDDir —$90.9K
5 Jones David B.SVP, GC, CCO —$77.8K
6 PARRETTE LESLIE JDir $25.2K—
7 Poccia ClaudiaDir —$18.2K
8 GRIFFIN HARDY LOUIS IIISVP, HUMAN RESOURCES ——
9 BARNES CORBINSVP, Corp. Dev, IR ——
10 Arnold Elizabeth KDir ——

Transactions 17

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
MA 2026-03-06 2026-02-27 IOSP INNOSPEC INC. Blackmore Milton C Dir S - Sale $76.55 -594 10.8K -5% -$45.5K
2026-03-03 2026-02-27 IOSP INNOSPEC INC. Blackmore Milton C Dir S - Sale $76.56 -594 10.5K -5% -$45.5K
D 2026-02-24 2026-02-23 IOSP INNOSPEC INC. Blackmore Milton C Dir A - Grant $0.00 +1,539 11.1K +16% $0
D 2026-02-24 2026-02-20 IOSP INNOSPEC INC. Blackmore Milton C Dir M - OptEx $44.18 +1,030 10.6K +11% +$45.5K
D 2026-02-24 2026-02-20 IOSP INNOSPEC INC. Blackmore Milton C Dir S - Sale+OE $81.84 -1,030 9,585 -10% -$84.3K
2025-02-27 2025-02-24 IOSP INNOSPEC INC. Blackmore Milton C Dir A - Grant $0.00 +1,209 9,585 +14% $0
2025-02-24 2025-02-21 IOSP INNOSPEC INC. Blackmore Milton C Dir S - Sale $103.30 -652 8,376 -7% -$67.4K
D 2024-11-14 2024-11-13 IOSP INNOSPEC INC. Blackmore Milton C Dir S - Sale+OE $122.92 -1,035 9,028 -10% -$127.2K
D 2024-11-14 2024-11-13 IOSP INNOSPEC INC. Blackmore Milton C Dir M - OptEx $43.95 +1,035 10.1K +11% +$45.5K
2024-02-28 2024-02-26 IOSP INNOSPEC INC. Blackmore Milton C Dir A - Grant $0.00 +782 9,028 +9% $0
2024-02-26 2024-02-22 IOSP INNOSPEC INC. Blackmore Milton C Dir S - Sale $122.07 -601 8,246 -7% -$73.4K
D 2023-03-02 2023-02-27 IOSP INNOSPEC INC. Blackmore Milton C Dir A - Grant $0.00 +594 7,594 +8% $0
D 2022-03-01 2022-02-25 IOSP INNOSPEC INC. Blackmore Milton C Dir M - OptEx $0.00 +740 7,993 +10% $0
DM 2022-03-01 2022-02-25 IOSP INNOSPEC INC. Blackmore Milton C Dir S - Sale+OE $96.77 -740 7,253 -9% -$71.6K
D 2022-02-24 2022-02-21 IOSP INNOSPEC INC. Blackmore Milton C Dir A - Grant $0.00 +652 7,253 +10% $0
D 2021-11-12 2021-11-10 IOSP INNOSPEC INC. Blackmore Milton C Dir S - Sale+OE $93.70 -293 6,601 -4% -$27.5K
D 2021-11-12 2021-11-10 IOSP INNOSPEC INC. Blackmore Milton C Dir M - OptEx $0.00 +293 6,894 +4% $0

Purchase Sale Sale after option exercise All abbreviations