// company-profile
Innospec Inc.
IOSPExchangeNasdaqSectorChemicals & Allied ProductsInc.DEFilings107Insiders15
// api This Innospec Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
No insider activity recorded for IOSP in the last 90 days.
Institutional Ownership
Top 13F-HR holders of Innospec Inc. as of 2026-03-31
Total reported AUM
$1.61B
QoQ change
+3.0%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$190.2M
2.6M shares
#2
Allspring Global Investments Holdings, LLC
CIK 1890906
$170.3M
2.3M shares
#3
DIMENSIONAL FUND ADVISORS LP
CIK 354204
$86.5M
1.2M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Mar 3, 2026 | Jones David B. | IOSP | Sale | 1,028 | $75.64 | $78K |
| Feb 27, 2026 | PADFIELD Larry | IOSP | Sale | 307 | $76.79 | $24K |
| Feb 27, 2026 | Cleminson Ian | IOSP | Sale | 1,231 | $76.79 | $95K |
| Feb 27, 2026 | GRIFFIN HARDY LOUIS III | IOSP | Tax Withholding | 401 | $78.34 | $31K |
| Feb 27, 2026 | LANDLESS DAVID | IOSP | Sale | 287 | $76.30 | $22K |
45 more transactions hidden
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