Director at Innospec (IOSP) amends Form 4 after selling 119 common shares

Rhea-AI Filing Summary

Innospec Inc. director Claudia Poccia reported amended insider stock sales. The Form 4/A corrects transaction prices previously reported for two open-market sales of Innospec common stock on February 27, 2026.

The amended filing shows sales totaling 119 shares, with 57 shares sold at a weighted average price of $76.30 and 62 shares sold at a weighted average price of $76.79. After these transactions, Poccia directly owned 6,508 shares of Innospec common stock.

The footnotes explain that each reported price is a weighted average and that the shares were sold in multiple transactions, with individual prices ranging from $75.5001 to $76.55 for the first sale and from $76.555 to $77.0713 for the second sale. Poccia has undertaken to provide full trade details, including exact share amounts and prices for each execution, to the SEC staff, Innospec, or any Innospec security holder upon request.

Insights

Equity governance analyst

Small corrective Form 4/A, limited governance or valuation impact.

The amended Form 4/A from Innospec Inc. director Claudia Poccia primarily corrects pricing details for prior reported trades. It confirms two open-market sales totaling 119 shares of common stock on February 27, 2026, with weighted average prices disclosed.

The filing clarifies that each price represents a weighted average across multiple executions within narrow ranges between $75.5001 and $77.0713. This enhances transparency on the director’s trading but involves a very small share amount relative to typical public floats, so it does not by itself suggest a change in corporate outlook.

The commitment to provide detailed execution-level data upon request to the SEC staff, Innospec, or its security holders underscores standard compliance practices. Subsequent company filings may offer broader context on insider ownership trends or governance developments beyond this technical correction.

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^*

Poccia Claudia

(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)
03/03/2026

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		57	D	$76.3(1)	6,570	D
Common Stock	02/27/2026		S		62	D	$76.79(2)	6,508	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. This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $75.5001 to $76.55. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

2. This Form 4/A amends the Form 4 filed on March 3, 2026 to correct the transaction price reported in Table I. The price reported reflects the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $76.555 to $77.0713. The reporting person undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

	Claudia Poccia	03/06/2026
	** 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 Claudia Poccia report on this Form 4/A?

Claudia Poccia reported amended details for two open-market sales of Innospec common stock on February 27, 2026, totaling 119 shares. The amendment corrects previously reported prices, specifying weighted average sale prices and associated trading ranges for each transaction.

How many Innospec (IOSP) shares did Claudia Poccia sell and at what prices?

Claudia Poccia sold 119 Innospec common shares in total: 57 shares at a weighted average price of $76.30 and 62 shares at a weighted average price of $76.79. Both sales were executed in multiple trades within narrow intraday price ranges.

How many Innospec (IOSP) shares does Claudia Poccia own after these transactions?

After the February 27, 2026 sales, Claudia Poccia directly owned 6,508 Innospec common shares. The Form 4/A shows 6,570 shares following the first sale of 57 shares, and 6,508 shares after completing the second sale of 62 shares that same day.

What was corrected by this Innospec (IOSP) Form 4/A amendment?

The Form 4/A corrects the transaction prices previously reported on a March 3, 2026 Form 4. It clarifies that the prices listed are weighted average sale prices and provides specific price ranges for the multiple executions underlying each reported transaction.

What price ranges applied to the Innospec (IOSP) shares sold by Claudia Poccia?

For the first 57-share sale, individual trades occurred between $75.5001 and $76.55. For the second 62-share sale, trades occurred between $76.555 and $77.0713. The reported prices of $76.30 and $76.79 represent weighted average sale prices across those executions.

Does the Innospec (IOSP) Form 4/A provide detailed execution data for each trade?

The Form 4/A provides weighted average prices and price ranges but not each individual execution. It states that Claudia Poccia will provide full information on specific share amounts and execution prices to SEC staff, Innospec, or any Innospec security holder upon request.