Luxfer director trades 4,015 shares, updates RSUs

Luxfer Holdings director Clive Snowdon reported a mix of indirect share sales and equity awards tied to his spouse’s holdings.

Rhea-AI Filing Summary

Luxfer Holdings director Clive Snowdon reported a mix of indirect share sales and equity awards tied to his spouse’s holdings. On June 11, 2026, his spouse sold 4,015 Ordinary Shares at $15.05 per share, leaving 26,841 Ordinary Shares held indirectly.

On the same date, 8,953 Restricted Stock Units that had fully vested, including 331 units from dividend equivalents, were exercised on a one-for-one basis into Ordinary Shares, eliminating that RSU position. Snowdon’s spouse also received an annual non‑discretionary grant of 5,825 Restricted Stock Units under the Non‑Executive Directors Equity Incentive Plan, which will vest immediately before the company’s 2027 annual shareholder meeting.

Insights

Equity compensation analyst

Routine mix of director equity grant, RSU vesting, and a modest indirect share sale.

Director Clive Snowdon, through his spouse, reported several equity-related events in June 2026. These include an open-market sale of 4,015 Ordinary Shares at $15.05, RSU vesting and conversion into shares, and a new RSU grant under the non‑executive director plan.

The 8,953 vested Restricted Stock Units, including 331 from dividend equivalents, were converted one-for-one into Ordinary Shares, closing out that RSU position. A fresh 5,825 RSU grant, described as an annual non‑discretionary award, vests just before the 2027 annual shareholder meeting, indicating this is part of standard board compensation rather than a discretionary transaction.

Given the combination of a relatively small indirect sale with routine vesting and a scheduled equity grant, and the absence of remaining derivative positions in the data provided, these transactions appear administrative and compensation-related. They are unlikely to materially change an informed investor’s view of Luxfer’s equity story.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 4 txns

Insider Snowdon Clive

Role Director

Sold 4,015 shs ($60K)

Approx. gross sale proceeds $60K

Approx. exercise cost $0.00

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	8,953	$0.00	$0.00
Grant/Award	Restricted Stock Units	5,825	$0.00	$0.00
Exercise	Ordinary Shares	8,953	$0.00	$0.00
Sale	Ordinary Shares	4,015	$15.05	$60K

Holdings After Transaction: Restricted Stock Units — 5,825 contracts (Indirect, By Spouse); Ordinary Shares — 26,841 shares (Indirect, By Spouse)

Footnotes (3)

1. F1. Restricted Stock Units convert to Ordinary Shares on a 1 for 1 basis.
2. F2. The Restricted Stock Units fully vested on June 11, 2026. The above figure includes 331 additional Restricted Stock Units acquired from dividend equivalents. Restricted Stock Units accrue dividend equivalents, which are subject to the same terms and conditions as the underlying award and vest therewith.
3. F3. Represents the annual non-discretionary grant of awards to the Issuer's Non-Executive Directors in accordance with the terms of the Luxfer Holdings PLC Non-Executive Directors Equity Incentive Plan. The Restricted Stock Units vest on the day immediately preceding the Issuer's 2027 Annual General Meeting of Shareholders.

Key Figures

Shares sold: 4,015 shares Sale price: $15.05 per share Post-sale holdings: 26,841 shares +3 more

6 metrics

Shares sold 4,015 shares Ordinary Shares sold at $15.05 on June 11, 2026

Sale price $15.05 per share Open-market sale of Ordinary Shares on June 11, 2026

Post-sale holdings 26,841 shares Ordinary Shares held indirectly after sale

RSUs vested and converted 8,953 units Restricted Stock Units converting 1:1 into Ordinary Shares

Dividend-equivalent RSUs 331 units Additional RSUs from dividend equivalents included in 8,953 total

New RSU grant 5,825 units Annual non-discretionary award to non-executive director

Key Terms

Restricted Stock Units, dividend equivalents, Non-Executive Directors Equity Incentive Plan

3 terms

Restricted Stock Units financial

"Restricted Stock Units convert to Ordinary Shares on a 1 for 1 basis."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

dividend equivalents financial

"The above figure includes 331 additional Restricted Stock Units acquired from dividend equivalents."

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

Non-Executive Directors Equity Incentive Plan financial

"grant of awards to the Issuer's Non-Executive Directors in accordance with the terms of the Luxfer Holdings PLC Non-Executive Directors Equity Incentive Plan."

FAQ

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

What insider transactions did Luxfer (LXFR) director Clive Snowdon report?

Clive Snowdon reported an indirect sale of 4,015 Ordinary Shares at $15.05 per share, the vesting and conversion of 8,953 Restricted Stock Units into Ordinary Shares, and a new grant of 5,825 RSUs awarded to his spouse-held account.

How many Luxfer (LXFR) shares does Clive Snowdon hold after these transactions?

Following the June 11, 2026 transactions, Snowdon’s indirect holdings through his spouse totaled 26,841 Ordinary Shares. This figure reflects the sale of 4,015 shares and the receipt of shares from vested Restricted Stock Units converting on a one‑for‑one basis.

What price were Luxfer (LXFR) shares sold for in Clive Snowdon’s Form 4?

Snowdon’s spouse sold 4,015 Ordinary Shares of Luxfer at an average price of $15.05 per share. The transaction is reported as an open‑market sale, and the shares are categorized as being held indirectly, “By Spouse,” in the filing.

What happened to Clive Snowdon’s Restricted Stock Units in this Luxfer (LXFR) filing?

A total of 8,953 Restricted Stock Units, including 331 from dividend equivalents, fully vested on June 11, 2026 and were converted one-for-one into Ordinary Shares. After this exercise, that specific RSU position showed a remaining balance of zero units.

What new equity award did Clive Snowdon receive in Luxfer (LXFR) shares?

Snowdon’s spouse received a grant of 5,825 Restricted Stock Units as the annual non‑discretionary award for Non‑Executive Directors. These RSUs will vest on the day immediately before Luxfer’s 2027 Annual General Meeting of Shareholders, according to the equity incentive plan terms.

Are Clive Snowdon’s Luxfer (LXFR) holdings direct or indirect?

All positions in this Form 4 are reported as held indirectly "By Spouse." The 26,841 Ordinary Shares after the sale, along with the 5,825 outstanding Restricted Stock Units, are attributed to Snowdon through his spouse’s ownership rather than direct personal registration.

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

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Accepted by SEC EDGAR 06/15/2026 - 07:24 AM EDT 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).

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^*

Snowdon Clive

(Last) (First) (Middle)

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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/11/2026

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	06/11/2026		M		8,953	A	(1)	30,856	I	By Spouse
Ordinary Shares	06/11/2026		S		4,015	D	$15.05	26,841	I	By Spouse

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)	06/11/2026		M			8,953	(2)	(2)	Ordinary Shares	8,953	(1)	0	I	By Spouse
Restricted Stock Units	(1)	06/11/2026		A		5,825		(3)	(3)	Ordinary Shares	5,825	(1)	5,825	I	By Spouse

Explanation of Responses:

1. Restricted Stock Units convert to Ordinary Shares on a 1 for 1 basis.

2. The Restricted Stock Units fully vested on June 11, 2026. The above figure includes 331 additional Restricted Stock Units acquired from dividend equivalents. Restricted Stock Units accrue dividend equivalents, which are subject to the same terms and conditions as the underlying award and vest therewith.

3. Represents the annual non-discretionary grant of awards to the Issuer's Non-Executive Directors in accordance with the terms of the Luxfer Holdings PLC Non-Executive Directors Equity Incentive Plan. The Restricted Stock Units vest on the day immediately preceding the Issuer's 2027 Annual General Meeting of Shareholders.

	/s/ Benjamin Coulson under Power of Attorney for Clive Snowdon	06/15/2026
	** 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)