CDT Environmental (NASDAQ: CDTG) director Dongming Zhang files initial Form 3

Rhea-AI Filing Summary

CDT Environmental Technology Investment Holdings Ltd filed an initial Form 3 for director Dongming Zhang. This filing is an initial statement of beneficial ownership and, based on the data provided, does not report any buy, sell, or other share transactions.

Key Figures

Net buy/sell shares: 0 shares Buy transactions: 0 Sell transactions: 0

3 metrics

Net buy/sell shares 0 shares Form 3 transaction summary

Buy transactions 0 Form 3 transaction summary

Sell transactions 0 Form 3 transaction summary

Key Terms

Form 3, beneficial ownership

2 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

"This filing is an initial statement of beneficial ownership"

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.

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Available on EDGAR 06/15/2026 - 04:22 PM Accepted by SEC EDGAR 06/15/2026 - 04:22 PM Learn about SEC filing dates

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^*

Dongming Zhang

(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/ Zhang Dongming	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 filing for Dongming Zhang show?

The Form 3 for CDTG identifies Dongming Zhang as a director and serves as an initial statement of beneficial ownership. The data provided indicates no reported buy, sell, or other share transactions in this filing.

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

No, this Form 3 for CDTG shows zero reported buy, sell, acquire, or dispose transactions. The transaction summary lists no shares bought, sold, exercised, gifted, or restructured in the disclosed data.

What roles does Dongming Zhang hold at CDT Environmental Technology Investment Holdings Ltd?

The filing states that Dongming Zhang is a director of CDT Environmental Technology Investment Holdings Ltd. The data does not show an officer position or ten percent owner status for Zhang in this Form 3.

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

No derivative securities are reported in this CDTG Form 3. The derivative summary is empty and the transaction summary shows zero derivative transactions or exercises in the provided data.

What does the transaction summary indicate in the CDTG Form 3?

The transaction summary for CDTG shows zero buys, zero sells, and zero derivative exercises, with net buy-sell shares at 0 and a neutral direction. This indicates no reported trading activity in this filing.