SEC FORM 4

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Trimberger Lisa G

(Last)

(First)

(Middle)

LUXFER HOLDINGS PLC

LUMNS LANE

(Street)

MANCHESTER

M27 8LN

(City)

(State)

(Zip)

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

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)
06/07/2023

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary Shares	06/07/2023		M		5,149	A	⁽¹⁾	10,592	I	By Lisa G. Trimberger Trust⁽²⁾
Ordinary Shares	06/07/2023		F		2,440	D	$15.28	8,152⁽³⁾	I	By Lisa G. Trimberger Trust⁽²⁾
Ordinary Shares								5,000	I	As Joint Tenants in Common by Trusts⁽⁴⁾
Ordinary Shares								5,000	I	By John R. Trimberger Jr. Trust⁽⁵⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	06/07/2023		M			5,149	⁽⁶⁾	⁽⁶⁾	Ordinary Shares	5,149	⁽¹⁾	0	I	By Lisa G. Trimberger Trust⁽²⁾
Restricted Stock Units	⁽¹⁾	06/07/2023		A		4,963		⁽⁷⁾	⁽⁷⁾	Ordinary Shares	4,963	⁽¹⁾	4,963	I	By Lisa G. Trimberger Trust⁽²⁾

Explanation of Responses:

1. Restricted Stock Units convert 1 for 1, subject to a nominal payment of $1.00 per Ordinary Share.

2. Owned by Lisa G. Trimberger Trust, of which the Reporting Person is the trustee and the Reporting Person's spouse is the sole beneficiary.

3. Taking into account the Ordinary Shares owned by various trusts in which the Reporting Person has a pecuniary interest, the Reporting Person beneficially owned 18,152 Ordinary Shares following the transactions reported on this Form 4.

4. Owned as Joint Tenants in Common by (i) Lisa G. Trimberger Trust, of which the Reporting Person is the trustee and the Reporting Person's spouse is the sole beneficiary and (ii) John R. Trimberger Jr. Trust, of which the Reporting Person's spouse is the trustee and the Reporting Person is the sole beneficiary.

5. Owned by John R. Trimberger Jr. Trust, of which the Reporting Person's spouse is the trustee and the Reporting Person is the sole beneficiary.

6. The Restricted Stock Units fully vested on June 7, 2023. The amount above includes 168 Restricted Stock Units accrued related to dividend reinvestment rights.

7. The Restricted Stock Units vest on the date immediately preceding the Issuer's 2024 Annual General Meeting of Shareholders.

Remarks:

	/s/ Megan E. Glise under Power of Attorney for Lisa G Trimberger	06/09/2023
	** 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).
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