Luxfer CFO awarded performance-based stock options

Webster Stephen reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Webster Stephen reported acquisition or exercise transactions in this Form 4 filing.

Luxfer Holdings PLC Chief Financial Officer Stephen Webster received performance-based stock option awards, not open-market trades. On March 20, 2026, he was granted and vested options over 3,005 and 1,926 ordinary shares. The options are exercisable on a 1-for-1 basis for a nominal payment of $1.00 per share. These options were originally awarded on March 20, 2023 and vested in full after achieving EPS growth goals and relative total shareholder return targets for the performance period ended December 31, 2025.

Insider Trade Summary 10b5-1

Grant/Award: 4,931 shares

Grant/Award 2 txns

Insider Webster Stephen

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Stock Options (Right to Buy)	3,005	$0.00	$0.00
Grant/Award	Stock Options (Right to Buy)	1,926	$0.00	$0.00

Holdings After Transaction: Stock Options (Right to Buy) — 4,931 contracts (Direct)

Footnotes (3)

1. F1. 1 for 1, subject to a nominal payment of $1.00 per Ordinary Share.
2. F2. Represents the grant of performance-based Options (at 117% target) awarded on March 20, 2023. 100% of the performance-based Options were granted and vested on March 20, 2026 upon the achievement of EPS growth goals for the performance period ended December 31, 2025.
3. F3. Represents the grant of performance-based Options (at 50% target) awarded on March 20, 2023. 100% of the performance-based Options were granted and vested on March 20, 2026 upon the achievement of relative total shareholder return (TSR) goals for the performance period ended December 31, 2025.

FAQ

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

What does the Luxfer (LXFR) Form 4 for Stephen Webster report?

The filing reports performance-based stock option grants to CFO Stephen Webster. On March 20, 2026, he received and vested options tied to prior awards, reflecting equity compensation rather than any open-market purchase or sale of Luxfer Holdings PLC ordinary shares.

How many Luxfer (LXFR) stock options did the CFO receive in this Form 4?

Stephen Webster received options over 3,005 and 1,926 ordinary shares. Both awards are stock options with a 1-for-1 conversion into ordinary shares, requiring a nominal payment of $1.00 per share upon exercise, as described in the accompanying footnotes.

What performance goals triggered the Luxfer (LXFR) CFO’s option vesting?

The options vested after meeting EPS growth and relative TSR goals. One grant reflects performance-based options at 117% target linked to EPS growth, while the other reflects 50% target options tied to relative total shareholder return for the period ended December 31, 2025.

Were there any open-market buys or sells in the Luxfer (LXFR) Form 4?

No open-market purchases or sales are reported. Both transactions are coded as awards of derivative securities (stock options) with a grant or award acquisition code, indicating compensation-related equity grants rather than market trading in Luxfer Holdings PLC ordinary shares.

When were the Luxfer (LXFR) CFO’s performance-based options originally awarded and vested?

The options were awarded on March 20, 2023 and vested on March 20, 2026. Vesting occurred after Luxfer met specified EPS growth and relative total shareholder return goals over the performance period that ended on December 31, 2025.

What is the exercise structure of the Luxfer (LXFR) CFO’s options granted in this Form 4?

The options convert into ordinary shares on a 1-for-1 basis. Each option entitles the holder to acquire one Luxfer ordinary share upon payment of a nominal exercise price of $1.00 per share, as specified in the footnote description.

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Accepted by SEC EDGAR 03/23/2026 - 11:56 AM 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).

X

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^*

Webster Stephen

(Last) (First) (Middle)

LUXFER HOLDINGS PLC

LUMNS LANE

(Street)

MANCHESTER M27 8LN

(City) (State) (Zip)

UNITED KINGDOM

(Country)

2. Issuer Name and Ticker or Trading Symbol
LUXFER HOLDINGS PLC [ LXFR ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/20/2026

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

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

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

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

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 Options (Right to Buy)	(1)	03/20/2026		A		3,005		03/20/2026(2)	(2)	Ordinary Shares	3,005	(1)	3,005	D
Stock Options (Right to Buy)	(1)	03/20/2026		A		1,926		03/20/2026(3)	(3)	Ordinary Shares	1,926	(1)	1,926	D

Explanation of Responses:

1. 1 for 1, subject to a nominal payment of $1.00 per Ordinary Share.

2. Represents the grant of performance-based Options (at 117% target) awarded on March 20, 2023. 100% of the performance-based Options were granted and vested on March 20, 2026 upon the achievement of EPS growth goals for the performance period ended December 31, 2025.

3. Represents the grant of performance-based Options (at 50% target) awarded on March 20, 2023. 100% of the performance-based Options were granted and vested on March 20, 2026 upon the achievement of relative total shareholder return (TSR) goals for the performance period ended December 31, 2025.

Remarks:

	/s/ Benjamin Coulson under Power of Attorney for Stephen Webster	03/21/2026
	** 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.
* Form 4: SEC 1474 (03-26)