Luxfer Holdings (LXFR) counsel exercises 780 RSUs, 488 shares withheld for taxes

Rhea-AI Filing Summary

Luxfer Holdings’ General Counsel, Janelle Amanda Ramos Vittini, exercised 780 Restricted Stock Units into Ordinary Shares on March 17, 2026. The RSUs converted 1-for-1 into shares at a nominal $1.00 per share. Of the resulting Ordinary Shares, 488 were withheld at $11.80 per share to cover tax obligations, leaving 292 Ordinary Shares directly held after the tax-withholding disposition. Following the RSU exercise, she holds 2,344 Restricted Stock Units, with the remaining units from the March 17, 2025 grant scheduled to vest in three equal tranches on March 17, 2027, 2028 and 2029. This filing reflects routine compensation-related vesting and tax withholding rather than open-market buying or selling.

Insights

Equity compensation analyst

Routine RSU vesting with tax withholding, no open-market trades.

The General Counsel of Luxfer Holdings exercised 780 Restricted Stock Units into Ordinary Shares on March 17, 2026. The RSUs convert 1-for-1 into shares, subject to a nominal $1.00 per share payment, indicating standard equity compensation mechanics rather than a market-driven transaction.

To satisfy tax obligations from the vesting, 488 Ordinary Shares were disposed of at $11.80 per share via an F-code tax-withholding transaction, leaving 292 Ordinary Shares directly held afterward. This F-code disposition is not an open-market sale and does not signal a change in sentiment.

The filing also notes that the 780 vested units represent 25% of RSUs granted on March 17, 2025, with the remaining units vesting in equal tranches on March 17, 2027, 2028 and 2029. Subsequent company filings will show future vesting events as they occur, but this event alone appears routine and not thesis-changing.

Insider Trade Summary 10b5-1

780 shares exercised/converted

Mixed 3 txns

Insider Ramos Vittini Janelle Amanda

Role General Counsel

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	780	$0.00	--
Exercise	Ordinary Shares	780	$0.00	--
Tax Withholding	Ordinary Shares	488	$11.80	$6K

Holdings After Transaction: Restricted Stock Units — 2,344 shares (Direct); Ordinary Shares — 780 shares (Direct)

Footnotes (1)

1. 1 for 1, subject to a nominal payment of $1.00 per Ordinary Share. Represents 25% of the Restricted Stock Units granted on March 17, 2025. The remaining Restricted Stock Units will vest in three equal tranches on March 17, 2027, 2028 and 2029.

Form 4 Insider Transactions: What Each Field Means →

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^*

Ramos Vittini Janelle Amanda

(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)
	General Counsel

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

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	03/17/2026		M		780	A	(1)	780	D
Ordinary Shares	03/17/2026		F		488	D	$11.8	292	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)	03/17/2026		M			780	(2)	(2)	Ordinary Shares	780	(1)	2,344	D

Explanation of Responses:

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

2. Represents 25% of the Restricted Stock Units granted on March 17, 2025. The remaining Restricted Stock Units will vest in three equal tranches on March 17, 2027, 2028 and 2029.

Remarks:

	/s/ Benjamin Coulson under Power of Attorney for Janelle Ramos	03/19/2026
	** 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)

FAQ

What did Luxfer Holdings (LXFR) report in this Form 4 for its General Counsel?

Luxfer Holdings reported that its General Counsel, Janelle Amanda Ramos Vittini, exercised 780 Restricted Stock Units into Ordinary Shares. The transaction reflects scheduled equity compensation vesting, with a portion of resulting shares later withheld to cover tax obligations tied to this vesting event.

How many Luxfer Holdings RSUs did the General Counsel exercise and into what security?

The General Counsel exercised 780 Restricted Stock Units, each converting into one Ordinary Share of Luxfer Holdings. This 1-for-1 conversion, subject to a nominal $1.00 per share payment, represents part of her previously granted equity compensation rather than a new open-market share purchase.

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

No open-market sales were reported. Instead, 488 Ordinary Shares were disposed of at $11.80 per share under transaction code F, meaning they were withheld by the company to pay tax liabilities arising from the RSU vesting, not sold at the General Counsel’s discretion.

How many Luxfer Holdings shares did the General Counsel hold after the tax withholding?

After 488 Ordinary Shares were withheld for taxes, the General Counsel directly held 292 Ordinary Shares. The Form 4 also shows 2,344 Restricted Stock Units remaining following the exercise, indicating an ongoing equity position through both vested and unvested awards in the company.

What does the Form 4 say about future RSU vesting for Luxfer Holdings’ General Counsel?

The filing states that the 780 RSUs exercised represent 25% of the Restricted Stock Units granted on March 17, 2025. The remaining RSUs from that grant will vest in three equal tranches on March 17, 2027, March 17, 2028, and March 17, 2029, subject to continued service.

Is this Luxfer Holdings Form 4 transaction likely to be market-moving for LXFR investors?

This Form 4 reflects routine equity compensation vesting and associated tax withholding for the General Counsel, not discretionary buying or selling. Because there were no open-market purchases or sales, the disclosure is generally viewed as administrative rather than materially changing the company’s investment outlook.