Innospec (IOSP) director Larry Padfield sells 594 shares in open market

Rhea-AI Filing Summary

Innospec Inc. director Larry Padfield reported an open-market sale of common stock. He sold 594 shares at an average price of $76.5562 per share. After this transaction, he directly owns 9,453 shares of Innospec common stock.

Insider Trade Summary

Net Seller: 594 shares ($45,474)

Net Sell 1 txn

Insider PADFIELD Larry

Role Director

Sold 594 shs ($45K)

Type	Security	Shares	Price	Value
Sale	Common Stock	594	$76.5562	$45K

Holdings After Transaction: Common Stock — 9,453 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

PADFIELD Larry

(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)
02/27/2026

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	02/27/2026		S		594	D	$76.5562	9,453	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:

	Larry Padfield	03/03/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Innospec (IOSP) director Larry Padfield report?

Director Larry Padfield reported selling 594 shares of Innospec common stock in an open-market transaction. The shares were sold at an average price of $76.5562 per share, according to the Form 4 insider trading report.

At what price did Larry Padfield sell Innospec (IOSP) shares?

Larry Padfield sold his Innospec shares at an average price of $76.5562 per share. This sale involved 594 shares of common stock in an open-market transaction, as disclosed in the Form 4 filing.

How many Innospec (IOSP) shares does Larry Padfield own after the sale?

After the reported sale, Larry Padfield directly owns 9,453 shares of Innospec common stock. This remaining ownership level is disclosed in the Form 4 as the total shares held following the open-market transaction.

Was the Innospec (IOSP) insider transaction a purchase or a sale?

The insider transaction by Larry Padfield was a sale of Innospec common stock. The Form 4 lists the transaction code as “S,” indicating an open-market or private sale of 594 shares at an average price of $76.5562.

What does transaction code "S" mean in the Innospec (IOSP) Form 4?

Transaction code “S” in the Innospec Form 4 indicates a sale of securities. In this case, it reflects Larry Padfield’s open-market sale of 594 shares of common stock at an average price of $76.5562 per share.