Innospec (IOSP) director logs RSU grant, option exercise and share sale

Rhea-AI Filing Summary

Innospec Inc. director Larry Padfield reported multiple equity transactions. He received a grant of 1,539 Restricted Stock Units that vest in full on February 23, 2029 for his service as a non-employee director. He also exercised stock options for 1,030 shares at $44.18 per share and sold 1,030 common shares in an open-market transaction at an average price of $81.8409 per share. After these transactions, he directly owned 10,047 common shares.

Insider Trade Summary

Exercise and Sale: 1,030 shares ($39K approx. pre-tax spread)

Exercise and Sale 4 txns

Insider PADFIELD Larry

Role Director

Sold 1,030 shs ($84K)

Approx. gross sale proceeds $84K

Approx. exercise cost $46K

Approx. pre-tax spread $39K

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,539	$0.00	$0.00
Exercise	Stock Option	1,030	$0.00	$0.00
Exercise	Common Stock	1,030	$44.18	$46K
Sale	Common Stock	1,030	$81.8409	$84K

Holdings After Transaction: Stock Option — 0 shares (Direct); Common Stock — 10,047 shares (Direct)

Footnotes (1)

1. 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.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 02/24/2026 - 06:24 PM Learn about SEC filing dates

FAQ

What insider transactions did IOSP director Larry Padfield report?

Larry Padfield reported a grant of 1,539 Restricted Stock Units, the exercise of options for 1,030 common shares, and the open-market sale of 1,030 common shares, all relating to Innospec Inc. equity awards and holdings.

How many Innospec (IOSP) shares does Larry Padfield own after these transactions?

After the reported equity grant, option exercise, and share sale, Larry Padfield directly owns 10,047 shares of Innospec Inc. common stock, according to the Form 4 ownership figures disclosed for these transactions.

What were the terms of Larry Padfield’s RSU grant at Innospec (IOSP)?

Larry Padfield received 1,539 Restricted Stock Units that vest in full on February 23, 2029. The RSUs were granted by Innospec Inc. in connection with his service as a non-employee director, with no price paid per unit at grant.

At what prices did Larry Padfield exercise and sell IOSP shares?

Larry Padfield exercised stock options for 1,030 Innospec common shares at $44.18 per share. He then sold 1,030 common shares in an open-market or private transaction at an average price of $81.8409 per share.

What do the Form 4 codes A, M, and S mean for IOSP’s filing?

In this Form 4, code A reflects a grant or award acquisition of Restricted Stock Units, code M indicates the exercise or conversion of a stock option into common shares, and code S represents an open-market or private sale 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

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)
02/20/2026

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	02/20/2026		M		1,030	A	$44.18	9,538	D
Common Stock	02/20/2026		S		1,030	D	$81.8409	8,508	D
Common Stock	02/23/2026		A		1,539(1)	A	$0.00	10,047	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
Stock Option	$44.18	02/20/2026		M			1,030	02/22/2019	02/22/2026	Common Stock	1,030	$0.00	0	D

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.

	Larry Padfield	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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