Director at INNOSPEC (IOSP) receives 1,539-share RSU equity award

Rhea-AI Filing Summary

PARRETTE LESLIE J reported acquisition or exercise transactions in this Form 4 filing.

INNOSPEC INC. director Leslie J. Parrette reported an equity award of 1,539 shares of common stock in the form of Restricted Stock Units. The RSUs were granted in connection with Parrette’s service as a non-employee director and will vest in full on February 23, 2029. After this grant, Parrette directly holds 7,376 shares of common stock.

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

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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^*

PARRETTE LESLIE J

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

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		1,539(1)	A	$0.00	7,376	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") vesting in full on February 23, 2029, granted by Issuer in connection with Reporting Person's service as a non-employee director.

	Leslie J. Parrette	02/24/2026
	** 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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FAQ

What insider transaction did INNOSPEC INC. (IOSP) report for Leslie J. Parrette?

INNOSPEC INC. reported that director Leslie J. Parrette received an award of 1,539 shares of common stock as Restricted Stock Units. The award is compensation for service as a non-employee director and increases Parrette’s directly held common stock to 7,376 shares.

Was the INNOSPEC (IOSP) insider transaction a purchase or an award?

The INNOSPEC transaction was an equity award, not an open-market purchase. Leslie J. Parrette acquired 1,539 Restricted Stock Units as compensation, with a reported price of $0.0000 per share, reflecting a grant rather than a cash-funded share purchase.

When do Leslie J. Parrette’s INNOSPEC (IOSP) RSUs vest?

The Restricted Stock Units granted to Leslie J. Parrette vest in full on February 23, 2029. Vesting means the RSUs convert into shares if service or other conditions are met, aligning director compensation with longer-term company performance over several years.

How many INNOSPEC (IOSP) shares does Leslie J. Parrette hold after this Form 4?

After this Form 4 transaction, Leslie J. Parrette directly holds 7,376 shares of INNOSPEC common stock. This total reflects the addition of 1,539 Restricted Stock Units granted as a director award, which are scheduled to vest on February 23, 2029.

What does transaction code "A" mean in the INNOSPEC (IOSP) Form 4?

Transaction code "A" on the INNOSPEC Form 4 indicates a grant, award, or other acquisition. Here, it represents the grant of 1,539 Restricted Stock Units to director Leslie J. Parrette as part of non-employee director compensation, rather than a market trade.