[Form 3] EURO TECH HOLDINGS CO LTD Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

EURO TECH HOLDINGS CO LTD CEO Leung Yin Lung has filed a Form 3 reporting his existing equity holdings in the company. He directly holds 2,500 Ordinary shares. He also holds stock options covering 16,250 underlying shares at an exercise price of $1.0400 per share, exercisable from January 1, 2022 and expiring on April 18, 2029.

In addition, he holds stock options covering 75,000 underlying shares at an exercise price of $1.8670 per share, exercisable from January 1, 2024 and also expiring on April 18, 2029. The filing reflects holdings rather than new purchases or sales, giving a snapshot of the CEO’s current direct ownership and option-based exposure.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider LEUNG YIN LUNG

Role CEO

Type	Security	Shares	Price	Value
holding	stock option	--	--	--
holding	stock option	--	--	--
holding	Ordinary shares	--	--	--

Holdings After Transaction: stock option — 16,250 shares (Direct); Ordinary shares — 2,500 shares (Direct)

Footnotes (1)

Key Figures

Direct share holdings: 2,500 Ordinary shares Option grant 1 underlying shares: 16,250 shares Option grant 1 exercise price: $1.0400 per share +3 more

6 metrics

Direct share holdings 2,500 Ordinary shares Directly owned by CEO Leung Yin Lung

Option grant 1 underlying shares 16,250 shares Stock options at $1.0400 exercise price

Option grant 1 exercise price $1.0400 per share Stock options expiring April 18, 2029

Option grant 2 underlying shares 75,000 shares Stock options at $1.8670 exercise price

Option grant 2 exercise price $1.8670 per share Stock options expiring April 18, 2029

Options expiration date April 18, 2029 Expiration for both option grants

Key Terms

Form 3, stock option, Ordinary shares, exercise price, +1 more

5 terms

Form 3 regulatory

"Initial statement of beneficial ownership on Form 3 by the CEO"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

stock option financial

"The CEO holds stock option grants over EURO TECH shares"

A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.

Ordinary shares financial

"He directly owns 2,500 Ordinary shares of EURO TECH"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

exercise price financial

"Options carry exercise prices of $1.0400 and $1.8670 per share"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

expiration date financial

"Both option grants share an April 18, 2029 expiration date"

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

LEUNG YIN LUNG

(Last) (First) (Middle)

ROOM C&D, 18/F. 65 WONG CHUK HANG ROAD

(Street)

HONG KONG 00000

(City) (State) (Zip)

CHINA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
EURO TECH HOLDINGS CO LTD [ CLWT ]

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary shares	2,500	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
stock option	01/01/2022	04/18/2029	EURO TECH HOLDINGS LTD STOCK OPTIONS	16,250	$1.04	D
stock option	01/01/2024	04/18/2029	EURO TECH HOLDINGS LTD STOCK OPTIONS	75,000	$1.867	D

Explanation of Responses:

	LEUNG YIN LUNG	04/10/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What did EURO TECH (CLWT) CEO Leung Yin Lung report on this Form 3?

He reported his existing equity holdings in EURO TECH. The filing lists 2,500 Ordinary shares held directly and two stock option grants, giving a clear snapshot of his current share and option-based exposure as a company insider.

How many EURO TECH (CLWT) shares does the CEO directly own?

The CEO directly owns 2,500 Ordinary shares of EURO TECH. This direct share position is separate from his stock options and reflects his current, straightforward equity stake in the company’s ordinary share capital as of the Form 3 filing.

What are the key details of the CEO’s EURO TECH (CLWT) stock options?

He holds options over 16,250 shares at an exercise price of $1.0400 and 75,000 shares at $1.8670. Both sets are stock options on EURO TECH shares, providing potential future ownership if exercised under their terms.

When do the EURO TECH (CLWT) CEO’s stock options expire?

Both stock option grants reported by the CEO expire on April 18, 2029. This common expiration date applies to the 16,250-share grant at $1.0400 and the 75,000-share grant at $1.8670, defining the outer limit of exercisability.

Are there any share purchases or sales disclosed in this EURO TECH (CLWT) Form 3?

No purchases or sales are disclosed. The Form 3 records existing holdings: 2,500 Ordinary shares and two stock option positions. It is an initial ownership report, not a record of new buy or sell transactions by the CEO.