IOSP
insider transactionsINNOSPEC INC. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 365d
-11.7K
0 buy · 11.7K sell
Net value · 365d
-$901.8K
$0 in · $901.8K out
Sentiment · 365d
Net selling
0% buying · 100% selling
Open-market trades · 365d
18
0 buy · 11.7K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Sell·S
SVP, GC & CCO
$77.8K
1.0K sh · $75.64
Own -7%
-
Sell·S
Director
$45.5K
594 sh · $76.56
Own -6%
-
Sell·S
Director
$9.1K
119 sh · $76.56
Own -2%
-
Sell·S
Director
$45.5K
594 sh · $76.56
Own -7%
-
Other·F
SVP, GC & CCO
$68.5K
875 sh · $78.34
Own -5%
-
Other·F
Patrick Williams KEY
PRESIDENT & CEO
$624.1K
8.0K sh · $78.34
Own -3%
-
Other·F
SVP, HUMAN RESOURCES
$31.4K
401 sh · $78.34
Own -4%
-
Sell·S
Ian Cleminson KEY
EVP & CFO
$182.2K
2.4K sh · $76.56
Own -10%
-
Sell·S
Director
$45.5K
594 sh · $76.56
Own -5%
-
Other·F
SVP, Corporate Dev and IR
$13.0K
166 sh · $78.34
Own -1%
-
Sell·S
Director
$23.6K
307 sh · $76.79
Own -3%
-
Sell·S
Director
$21.9K
287 sh · $76.30
Own -3%
-
Sell·S
Director
$4.8K
62 sh · $76.79
Own -1%
-
Sell·S
Director
$4.3K
57 sh · $76.30
Own -1%
-
Sell·S
Director
$23.6K
307 sh · $76.79
Own -4%
-
Sell·S
Director
$21.9K
287 sh · $76.30
Own -3%
-
Sell·S
Ian Cleminson KEY
EVP & CFO
$94.5K
1.2K sh · $76.79
Own -6%
-
Sell·S
Ian Cleminson KEY
EVP & CFO
$87.7K
1.1K sh · $76.30
Own -5%
-
Sell·S
Director
$23.6K
307 sh · $76.79
Own -3%
-
Sell·S
Director
$21.9K
287 sh · $76.30
Own -3%
-
Grant·A
Director
$0
1.5K sh
Own +26%
-
Grant·A
Director
$0
1.5K sh
Own +23%
-
Grant·A
Director
$0
1.5K sh
Own +30%
-
Grant·A
Director
$0
1.5K sh
Own +18%
-
Grant·A
Director
$0
1.5K sh
Own +16%
-
Grant·A
Patrick Williams KEY
PRESIDENT & CEO
$0
20.8K sh
Own +10%
-
Grant·A
SVP, GC & CCO
$0
3.0K sh
Own +22%
-
Grant·A
Senior VP R&T
$0
2.2K sh
Own New
-
Grant·A
SVP, HUMAN RESOURCES
$0
2.5K sh
Own +31%
-
Grant·A
Ian Cleminson KEY
EVP & CFO
$0
4.5K sh
Own +25%
-
Grant·A
Head of Group Finance
$0
520 sh
Own New
-
Grant·A
SVP, Corporate Dev and IR
$0
2.5K sh
Own +23%
-
Exercise·M
Director
$0
1.0K sh
Own New
-
Sell·S
Director
$84.3K
1.0K sh · $81.84
Own -11%
-
Exercise·M
Director
$45.5K
1.0K sh · $44.18
Own +12%
-
Exercise·M
Director
$0
1.0K sh
Own New
-
Sell·S
Director
$84.3K
1.0K sh · $81.84
Own -10%
-
Exercise·M
Director
$45.5K
1.0K sh · $44.18
Own +11%
-
Grant·A
Patrick Williams KEY
PRESIDENT & CEO
$0
19.0K sh
Own +9%
-
Grant·A
SVP, GC & CCO
$0
1.9K sh
Own +16%
-
Grant·A
SVP, HUMAN RESOURCES
$0
1.3K sh
Own +19%
-
Grant·A
Ian Cleminson KEY
EVP & CFO
$0
2.4K sh
Own +15%
-
Grant·A
SVP, Corporate Dev and IR
$0
1.7K sh
Own +19%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Mar 3, 2026 | David B. Jones | Sell S | 1.0K | $77.8K |
| Feb 27, 2026 | Larry Padfield | Sell S | 594 | $45.5K |
| Feb 27, 2026 | Claudia Poccia | Sell S | 119 | $9.1K |
| Feb 27, 2026 | David Landless | Sell S | 594 | $45.5K |
| Feb 27, 2026 | David B. Jones | Other F | 875 | $68.5K |
| Feb 27, 2026 | Patrick Williams KEY | Other F | 8.0K | $624.1K |
| Feb 27, 2026 | Hardy Louis Griffin III | Other F | 401 | $31.4K |
| Feb 27, 2026 | Ian Cleminson KEY | Sell S | 2.4K | $182.2K |
| Feb 27, 2026 | Milton C Blackmore | Sell S | 594 | $45.5K |
| Feb 27, 2026 | Corbin Barnes | Other F | 166 | $13.0K |
| Feb 27, 2026 | Larry Padfield | Sell S | 307 | $23.6K |
| Feb 27, 2026 | Larry Padfield | Sell S | 287 | $21.9K |
| Feb 27, 2026 | Claudia Poccia | Sell S | 62 | $4.8K |
| Feb 27, 2026 | Claudia Poccia | Sell S | 57 | $4.3K |
| Feb 27, 2026 | David Landless | Sell S | 307 | $23.6K |
| Feb 27, 2026 | David Landless | Sell S | 287 | $21.9K |
| Feb 27, 2026 | Ian Cleminson KEY | Sell S | 1.2K | $94.5K |
| Feb 27, 2026 | Ian Cleminson KEY | Sell S | 1.1K | $87.7K |
| Feb 27, 2026 | Milton C Blackmore | Sell S | 307 | $23.6K |
| Feb 27, 2026 | Milton C Blackmore | Sell S | 287 | $21.9K |
| Feb 23, 2026 | Leslie J Parrette | Grant A | 1.5K | $0 |
| Feb 23, 2026 | David Landless | Grant A | 1.5K | $0 |
| Feb 23, 2026 | Claudia Poccia | Grant A | 1.5K | $0 |
| Feb 23, 2026 | Larry Padfield | Grant A | 1.5K | $0 |
| Feb 23, 2026 | Milton C Blackmore | Grant A | 1.5K | $0 |
| Feb 23, 2026 | Patrick Williams KEY | Grant A | 20.8K | $0 |
| Feb 23, 2026 | David B. Jones | Grant A | 3.0K | $0 |
| Feb 23, 2026 | Ian Malcolm Mcrobbie | Grant A | 2.2K | $0 |
| Feb 23, 2026 | Hardy Louis Griffin III | Grant A | 2.5K | $0 |
| Feb 23, 2026 | Ian Cleminson KEY | Grant A | 4.5K | $0 |
| Feb 23, 2026 | Graeme Blair | Grant A | 520 | $0 |
| Feb 23, 2026 | Corbin Barnes | Grant A | 2.5K | $0 |
| Feb 20, 2026 | Larry Padfield | Exercise M | 1.0K | $0 |
| Feb 20, 2026 | Larry Padfield | Sell S | 1.0K | $84.3K |
| Feb 20, 2026 | Larry Padfield | Exercise M | 1.0K | $45.5K |
| Feb 20, 2026 | Milton C Blackmore | Exercise M | 1.0K | $0 |
| Feb 20, 2026 | Milton C Blackmore | Sell S | 1.0K | $84.3K |
| Feb 20, 2026 | Milton C Blackmore | Exercise M | 1.0K | $45.5K |
| Feb 16, 2026 | Patrick Williams KEY | Grant A | 19.0K | $0 |
| Feb 16, 2026 | David B. Jones | Grant A | 1.9K | $0 |
| Feb 16, 2026 | Hardy Louis Griffin III | Grant A | 1.3K | $0 |
| Feb 16, 2026 | Ian Cleminson KEY | Grant A | 2.4K | $0 |
| Feb 16, 2026 | Corbin Barnes | Grant A | 1.7K | $0 |
About IOSP insider trading
This page tracks insider transactions for INNOSPEC INC. (IOSP) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.