Innospec SVP granted 2,481 RSUs in stock award

BARNES CORBIN reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

BARNES CORBIN reported acquisition or exercise transactions in this Form 4 filing.

Innospec Inc.'s Senior Vice President of Corporate Development and Investor Relations, Corbin Barnes, received an equity award in the form of restricted stock units. The grant covers 2,481 RSUs of common stock at no cash cost and vests in full on February 23, 2029.

Following this award, Barnes now directly holds a total of 13,245.6117 shares of Innospec common stock, aligning his compensation more closely with the company’s long-term share performance.

Insider Trade Summary

Grant/Award: 2,481 shares

Grant/Award 1 txn

Insider BARNES CORBIN

Role SVP, Corporate Dev and IR

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,481	$0.00	$0.00

Holdings After Transaction: Common Stock — 13,245.6117 shares (Direct)

Footnotes (1)

1. F1. Represents Restricted Stock Units ("RSUs") granted on February 23, 2026 which vest in full on February 23, 2029.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Innospec (IOSP) disclose about Corbin Barnes’s latest equity award?

Innospec reported that executive Corbin Barnes received an award of 2,481 restricted stock units. These RSUs represent future common shares that are subject to vesting conditions, providing long-term, stock-based compensation rather than an immediate cash bonus.

How many restricted stock units did Corbin Barnes receive from Innospec (IOSP)?

Corbin Barnes received 2,481 restricted stock units from Innospec. Each RSU represents one share of common stock, delivering equity-based compensation that ties his personal financial interest more closely to Innospec’s future stock performance over the vesting period.

When do Corbin Barnes’s new Innospec (IOSP) RSUs vest?

The 2,481 restricted stock units granted to Corbin Barnes vest in full on February 23, 2029. Until that vesting date, the units are subject to continued service and any applicable plan conditions set by Innospec’s compensation arrangements.

What is Corbin Barnes’s total Innospec (IOSP) share ownership after this Form 4?

After the RSU grant, Corbin Barnes is reported to beneficially own 13,245.6117 shares of Innospec common stock. This figure reflects his direct holdings as disclosed, including the newly awarded equity that supports long-term alignment with shareholders.

Did Corbin Barnes buy Innospec (IOSP) shares on the open market?

No, the Form 4 shows a grant coded as an acquisition award, not an open-market purchase. The 2,481 units were granted at a reported price of $0.00 per share as part of his executive compensation package rather than a conventional stock purchase.

What type of transaction code was used in Corbin Barnes’s Innospec (IOSP) Form 4?

The transaction is coded “A” for a grant, award, or other acquisition. This indicates the 2,481 units were awarded as compensation, distinguishing the transaction from typical market buys or sells that would appear under different Form 4 transaction codes.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/25/2026 - 07:07 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

BARNES CORBIN

(Last) (First) (Middle)

8310 SOUTH VALLEY HIGHWAY

SUITE 350

(Street)

ENGLEWOOD CO 80112

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
INNOSPEC INC. [ IOSP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Corporate Dev and IR

3. Date of Earliest Transaction (Month/Day/Year)
02/23/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/23/2026		A		2,481(1)	A	$0.00	13,245.6117	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents Restricted Stock Units ("RSUs") granted on February 23, 2026 which vest in full on February 23, 2029.

	Corbin Barnes	02/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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