NovaBridge director reports no share holdings

A newly reported director of NovaBridge Biosciences filed a Form 3 showing no current reportable holdings in NBP securities.

Rhea-AI Filing Summary

NovaBridge Biosciences (NBP) reported the initial beneficial ownership status of director Dewhurst Martin William on a Form 3. The filing lists him as a director only and shows no reportable holdings or transactions in NovaBridge Biosciences equity securities at the time of this report.

Key Figures

Reported transactions: 0 transactions Reported derivative positions: 0 positions Reported buy shares: 0 shares

3 metrics

Reported transactions 0 transactions Transactions in NovaBridge Biosciences securities reported on this Form 3

Reported derivative positions 0 positions Derivative securities in NovaBridge Biosciences reported in the Form 3

Reported buy shares 0 shares Total shares reported as purchased in the transaction summary

Key Terms

Form 3, beneficial ownership, reporting person

3 terms

Form 3 regulatory

"reported the initial beneficial ownership status of director on a 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 regulatory

"reported the initial beneficial ownership status of director"

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.

reporting person regulatory

"The Form 3 lists him as a director and reporting person"

FAQ

What does the Form 3 filed for NovaBridge Biosciences (NBP) report?

It reports the initial beneficial ownership status of director Dewhurst Martin William. The Form 3 lists him as a director of NovaBridge Biosciences and shows no reportable holdings or transactions in the company’s securities at the time of filing.

Does the NBP director Dewhurst Martin William report owning any NovaBridge Biosciences shares?

No. The Form 3 for NovaBridge Biosciences shows no reportable holdings for director Dewhurst Martin William and includes no transactions or derivative positions at the time of the report.

Are there any buy or sell transactions reported in this NovaBridge Biosciences (NBP) Form 3?

No. The filing’s transaction summary shows zero reported transactions: no purchases, sales, exercises, gifts, or other acquisitions or dispositions of NovaBridge Biosciences securities.

Does the Form 3 for NBP mention any derivative securities held by the director?

No. The derivative section is empty, and the transaction summary indicates no derivative transactions or positions reported for director Dewhurst Martin William in NovaBridge Biosciences securities.

Is there any indication of a Rule 10b5-1 trading plan in the NovaBridge Biosciences Form 3?

No. The document-level Rule 10b5-1 indicator is not marked, and there are no transactions or footnotes describing any trading plan for this director in NovaBridge Biosciences securities.

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

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Available on EDGAR 09/10/2026 - 04:22 PM Accepted by SEC EDGAR 09/10/2026 - 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^*

Dewhurst Martin William

(Last) (First) (Middle)

C/O NOVABRIDGE BIOSCIENCES

2440 RESEARCH BOULEVARD, SUITE 400

(Street)

ROCKVILLE MARYLAND 20850

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
09/08/2026

3. Issuer Name and Ticker or Trading Symbol
NovaBridge Biosciences [ NBP ]

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:

No securities are beneficially owned.

	/s/ Kyler Lei, Attorney-in-Fact	09/10/2026
	** 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)