CDTG (CDTG) director Cui Lijun files initial Form 3 with no transactions

Rhea-AI Filing Summary

CDT Environmental Technology Investment Holdings Ltd filed an initial Form 3 to report the beneficial ownership status of director Cui Lijun. The filing lists Cui as a director but does not report any equity transactions, holdings, or derivative positions at this time.

Key Terms

Form 3, beneficial ownership, derivative positions

3 terms

Form 3 regulatory

"CDT Environmental Technology Investment Holdings Ltd filed an initial Form 3"

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.

beneficial ownership financial

"filed an initial Form 3 to report the beneficial ownership status"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

derivative positions financial

"does not report any equity transactions, holdings, or derivative positions"

Derivative positions are contracts that derive their value from an underlying asset—such as a stock, bond, currency or commodity—and include instruments like options, futures and swaps. Think of them as bets or insurance tied to an asset’s future price: they let investors amplify returns, hedge risk or take exposure without owning the asset directly, which can meaningfully increase potential gains, losses and volatility in a portfolio.

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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^*

Cui Lijun

(Last) (First) (Middle)

C1, 4TH FL., BUILD. 1, FINANCIAL BASE

NO. 8 KEFA ROAD, NANSHAN DISTRICT

(Street)

SHENZHEN GUANGDONG 518057

(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
CDT Environmental Technology Investment Holdings Ltd [ CDTG ]

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
	Officer (give title below)		Other (specify below)

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)

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

Explanation of Responses:

Remarks:

No securities are beneficially owned.

No securities are beneficially owned.

	/s/ Lijun Cui	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 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 does the CDTG Form 3 filed for Cui Lijun show?

The Form 3 shows that Cui Lijun is a director of CDT Environmental Technology Investment Holdings Ltd. It reports no equity transactions, holdings, or derivative positions for Cui as of this filing.

Does the CDTG Form 3 report any stock purchases or sales by Cui Lijun?

No, the Form 3 reports no stock purchases or sales by Cui Lijun. The transaction summary shows zero buy, sell, acquire, dispose, or other transaction counts and zero related share amounts.

Is Cui Lijun reported as a 10% owner of CDTG on this Form 3?

No, the filing indicates that Cui Lijun is not a ten percent owner. The reporting person is identified solely as a director, with the ten percent owner field marked as not applicable.

Are there any derivative securities reported for Cui Lijun in the CDTG Form 3?

No, the Form 3 lists no derivative securities for Cui Lijun. The derivative summary is empty and the transaction summary shows zero derivative transactions and zero option or warrant exercises.

What is the purpose of this CDTG Form 3 for investors?

This Form 3 establishes baseline insider status for director Cui Lijun. It confirms board membership and that no reportable equity or derivative holdings or transactions are disclosed as of this initial statement.