Key facts
- This page summarizes Corbin Barnes's Form 4 filing for INNOSPEC INC. (IOSP).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 03 Mar 2026, 18:54.
Corbin Barnes - 27 Feb 2026 Form 4 Insider Report for INNOSPEC INC. (IOSP)
- Reporting relationship
- SVP, Corporate Dev and IR
- Issuer ticker
- IOSP
- Reported as of
- 27 Feb 2026
- Net transaction value
- -$13,004
- SEC form
- 4
- Accepted by SEC
- 03 Mar 2026, 18:54:00 UTC
- Prior SEC filing
- 25 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- Corbin Barnes
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Corbin Barnes filed Form 4 for INNOSPEC INC. (IOSP) on 03 Mar 2026.
Change
- Previous filing in this sequence was filed on 25 Feb 2026.
- Current net transaction value: -$13,004.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001861656
Primary reporting owner
BARNES CORBIN
- Relationship
- SVP, Corporate Dev and IR
- Address
- 8310 SOUTH VALLEY HIGHWAY, SUITE 350, ENGLEWOOD
- Signature
- Corbin Barnes
- Signature date
- 03 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
IOSP
transaction
Common Stock
Tax liability
- Transaction value
- $13,004
- Shares
- -166
- Change %
- -1.3%
- Price
- $78.34
- Shares after
- 13,080
- Date
- 27 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Shares withheld to settle income tax liability incurred upon vesting of restricted stock unit award on February 27, 2026.