Innospec Inc.
Innospec Inc. (IOSP) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · IOSP · as of Jun 8, 2026
Activity summary
Buy transactions
1
P-Purchase only
Sell transactions
17
12 Months
Buy/Sell ratio
0.06
Buy/Sell (by trades)
Overall sentiment
Innospec Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
IOSP insider buying and selling by quarter
IOSP insider selling · IOSP insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · IOSP ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
IOSP executive sell shares · IOSP board member insider trading · IOSP insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Feb 27, 2026 | Blackmore Milton C Director | Sale | 594 | $45K | Form 4 |
| Feb 27, 2026 | PADFIELD Larry Director | Sale | 594 | $45K | Form 4 |
| Feb 27, 2026 | Poccia Claudia Director | Sale | 119 | $9K | Form 4 |
| Feb 27, 2026 | GRIFFIN HARDY LOUIS III SVP, HUMAN RESOURCES | Other | 401 | $31K | Form 4 |
| Feb 27, 2026 | LANDLESS DAVID Director | Sale | 594 | $45K | Form 4 |
| Feb 27, 2026 | Jones David B. SVP, GC & CCO | Other | 875 | $69K | Form 4 |
| Mar 3, 2026 | Jones David B. SVP, GC & CCO | Sale | 1,028 | $78K | Form 4 |
| Feb 27, 2026 | BARNES CORBIN SVP, Corporate Dev and IR | Other | 166 | $13K | Form 4 |
| Feb 27, 2026 | Cleminson Ian EVP & CFO | Sale | 2,380 | $182K | Form 4 |
| Feb 27, 2026 | Williams Patrick PRESIDENT & CEO | Other | 7,966 | $624K | Form 4 |
| Feb 23, 2026 | BARNES CORBIN SVP, Corporate Dev and IR | Award | 2,481 | — | Form 4 |
| Feb 23, 2026 | GRIFFIN HARDY LOUIS III SVP, HUMAN RESOURCES | Award | 2,521 | — | Form 4 |
| Feb 23, 2026 | Cleminson Ian EVP & CFO | Award | 4,499 | — | Form 4 |
| Feb 23, 2026 | Williams Patrick PRESIDENT & CEO | Award | 20,846 | — | Form 4 |
| Feb 23, 2026 | Jones David B. SVP, GC & CCO | Award | 2,993 | — | Form 4 |
| Feb 23, 2026 | Arnold Elizabeth K Director | Award | 1,539 | — | Form 4 |
| Feb 23, 2026 | PARRETTE LESLIE J Director | Award | 1,539 | — | Form 4 |
| Feb 23, 2026 | LANDLESS DAVID Director | Award | 1,539 | — | Form 4 |
| Feb 23, 2026 | Poccia Claudia Director | Award | 1,539 | — | Form 4 |
| Feb 23, 2026 | Blackmore Milton C Director | Award | 1,539 | — | Form 4 |
| Feb 20, 2026 | Blackmore Milton C Director | Option | 1,030 | $46K | Form 4 |
| Feb 20, 2026 | Blackmore Milton C Director | Sale | 1,030 | $84K | Form 4 |
| Feb 23, 2026 | PADFIELD Larry Director | Award | 1,539 | — | Form 4 |
| Feb 20, 2026 | PADFIELD Larry Director | Option | 1,030 | $46K | Form 4 |
| Feb 20, 2026 | PADFIELD Larry Director | Sale | 1,030 | $84K | Form 4 |
GRIFFIN HARDY LOUIS III
SVP, HUMAN RESOURCES
Date
Feb 27
Shares
401
Price
$78.34
Value
$31K
BARNES CORBIN
SVP, Corporate Dev and IR
Date
Feb 27
Shares
166
Price
$78.34
Value
$13K
Williams Patrick
PRESIDENT & CEO
Date
Feb 27
Shares
7,966
Price
$78.34
Value
$624K
GRIFFIN HARDY LOUIS III
SVP, HUMAN RESOURCES
Date
Feb 23
Shares
2,521
Price
—
Value
—
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About IOSP insider trading
IOSP insider trades
Innospec Inc. (IOSP) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Blackmore Milton C (Director), PADFIELD Larry (Director), Jones David B. (SVP, GC & CCO). Over the past 12 months, 5 insiders have filed transactions with the SEC. IOSP insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Innospec Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
IOSP insider trading · 5 questionsThe insiders of Innospec Inc. (IOSP) include executives and directors such as Blackmore Milton C (Director), PADFIELD Larry (Director), Jones David B. (SVP, GC & CCO), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026