Luxfer officer granted 3,320 restricted stock units

Luxfer Holdings PLC officer Mead Howard Ioan reported routine equity compensation activity.

Rhea-AI Filing Summary

Luxfer Holdings PLC officer Mead Howard Ioan reported routine equity compensation activity. He received a grant of 3,320 time-based Restricted Stock Units on March 16, 2026, which vest in three equal annual installments beginning on March 16, 2027.

On the same date, 884 Restricted Stock Units from a March 14, 2022 award partially vested and were exercised on a 1-for-1 basis into 884 Ordinary Shares, subject to a nominal payment of $1.00 per share. Of these, 384 Ordinary Shares priced at $11.60 were withheld to satisfy tax obligations, leaving him with 9,972 Ordinary Shares held directly after the transactions.

Insider Trade Summary 10b5-1

884 shares exercised/converted

Exercise 4 txns

Insider MEAD HOWARD IOAN

Role See Remarks

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	3,320	$0.00	$0.00
Exercise	Restricted Stock Units	884	$0.00	$0.00
Exercise	Ordinary Shares	884	$0.00	$0.00
Exercise Price or Tax Liability	Ordinary Shares	384	$11.60	$4K

Holdings After Transaction: Restricted Stock Units — 3,320 contracts (Direct); Ordinary Shares — 9,972 shares (Direct)

Footnotes (3)

1. F1. 1 for 1, subject to a nominal payment of $1.00 per Ordinary Share.
2. F2. Represents the award of 3,320 time-based Restricted Stock Units made on March 16, 2026. The Restricted Stock Units vest in three equal annual instalments beginning on March 16, 2027.
3. F3. Represents the partial vesting of the time-based Restricted Stock Units awarded on March 14, 2022

FAQ

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

What insider transactions did Luxfer (LXFR) officer Mead Howard Ioan report?

Mead Howard Ioan reported routine equity compensation activity. He received 3,320 Restricted Stock Units and had 884 previously granted Restricted Stock Units vest and convert into Ordinary Shares, with a portion of those shares withheld to cover tax obligations.

How many Restricted Stock Units were granted to the Luxfer (LXFR) officer and how do they vest?

He was granted 3,320 time-based Restricted Stock Units on March 16, 2026. These units vest in three equal annual installments, with the first tranche vesting on March 16, 2027, and the remaining installments vesting on the following two anniversaries.

What was the nature of the 884-share derivative exercise reported for Luxfer (LXFR)?

The 884 shares came from the partial vesting of time-based Restricted Stock Units awarded on March 14, 2022. Those units were exercised on a 1-for-1 basis into 884 Ordinary Shares, subject to a nominal payment of $1.00 per Ordinary Share as disclosed.

Were any Luxfer (LXFR) shares sold on the open market in this Form 4?

No open-market sales were reported. Instead, 384 Ordinary Shares valued at $11.60 per share were withheld by the issuer to satisfy tax liabilities associated with the vesting, which is recorded as a tax-withholding disposition rather than a market sale.

How many Luxfer (LXFR) Ordinary Shares does the officer hold after these transactions?

Following the reported transactions on March 16, 2026, Mead Howard Ioan directly holds 9,972 Ordinary Shares of Luxfer Holdings PLC. This figure reflects the shares received from the RSU vesting, net of the 384 shares withheld to cover associated tax obligations.

What does the tax withholding transaction mean in the Luxfer (LXFR) Form 4?

The tax withholding shows 384 Ordinary Shares, at a value of $11.60 each, were delivered to the issuer to cover tax liabilities. This is a non-market disposition commonly associated with vesting of equity awards, not an elective sale of shares into the open market.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/18/2026 - 08:35 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^*

MEAD HOWARD IOAN

(Last) (First) (Middle)

LUXFER HOLDINGS PLC, LUMNS LANE

(Street)

MANCHESTER M27 8LN

(City) (State) (Zip)

UNITED STATES

(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)
	See Remarks

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

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
Ordinary Shares	03/16/2026		M		884	A	(1)	10,356	D
Ordinary Shares	03/16/2026		F		384	D	$11.6	9,972	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
Restricted Stock Units	(1)	03/16/2026		A		3,320		(2)	03/16/2029(2)	Common Stock	3,320	(1)	3,320	D
Restricted Stock Units	(1)	03/16/2026		M			884	(3)	(3)	Ordinary Shares	884	(1)	0	D

Explanation of Responses:

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

2. Represents the award of 3,320 time-based Restricted Stock Units made on March 16, 2026. The Restricted Stock Units vest in three equal annual instalments beginning on March 16, 2027.

3. Represents the partial vesting of the time-based Restricted Stock Units awarded on March 14, 2022

Remarks:

	/s/ Benjamin Coulson under Power of Attorney for Howard I. Mead	03/18/2026
	** 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)