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INNOSPEC INC. Director's Dealing 2026

Feb 25, 2026

31718_dirs_2026-02-24_1ac41115-28a2-4d7a-a453-f28c3ec60abc.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INNOSPEC INC. (IOSP)
CIK: 0001054905
Period of Report: 2026-02-20

Reporting Person: PADFIELD Larry (N/A)

Non-Derivative Transactions

Date Security Code Shares Price A/D Holdings After Ownership
2026-02-20 Common Stock M 1030 $44.18 Acquired 9538 Direct
2026-02-20 Common Stock S 1030 $81.8409 Disposed 8508 Direct
2026-02-23 Common Stock A 1539 $0.00 Acquired 10047 Direct

Derivative Transactions

Date Security Exercise Price Code Shares A/D Expiration Underlying Ownership
2026-02-20 Stock Option $44.18 M 1030 Disposed 2026-02-22 Common Stock (1030) Direct

Footnotes

F1: Represents Restricted Stock Units ("RSUs") vesting in full on February 23, 2029, granted by Issuer in connection with Reporting Person's service as a non-employee director.